[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.1"]
[White "Williams, A Howard"]
[Black "Jones, Martin C"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2340"]
[BlackElo "1725"]
[Annotator "kemen"]
[PlyCount "97"]
[EventDate "2021.??.??"]
{[%evp 0,97,35,20,44,-10,7,10,10,25,28,23,24,22,52,39,32,36,45,26,100,85,92,82,
102,136,130,103,73,61,56,77,81,95,96,89,90,91,112,112,89,113,110,53,109,16,116,
96,85,108,101,0,-4,48,188,165,185,184,197,194,208,201,199,187,183,182,199,188,
214,220,232,206,272,284,288,272,277,232,296,241,286,298,337,329,333,282,351,
332,353,333,390,437,433,474,496,377,415,444,548,584]} 1. d4 Nf6 2. c4 e6 3. Nc3
Bb4 4. e3 O-O (4... b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 8. Bd2 d5 9. cxd5 exd5
10. Rc1 c4 11. Bb1 Nc6 {Williams-Jones,Dyfed Online League rd3, 2020,1-0}) 5.
Bd3 c5 (5... d6 6. Nge2 e5 7. O-O c6 8. Ng3 Ba5 9. Bd2 Bb6 10. Nce2 Re8 {
Williams-Iolo Jones, Dyfed Open 2013,1/2-1/2}) 6. Nf3 cxd4 7. exd4 d5 8. O-O
Nc6 (8... dxc4 {main, elite GM practice}) 9. Bg5 h6 (9... Be7 {main}) 10. Bxf6
{preferred by the Cloud Engines} (10. Bh4 {6 Wh wins, 4 draws}) 10... Qxf6 {
3 Wh wins, 1 draw} 11. cxd5 Bxc3 $146 {second choice of Stockfish12, but it
just gives Bl a wrecked Q side.} (11... exd5 {Cloud Engines} 12. Nxd5 Qd8 (
12... Qd6 {was an internet game 0-1 by disconnection}) 13. Nxb4 (13. Ne3 $18)
13... Nxb4 14. Bc4 Bg4 15. Be2 Re8 $16 {Scleissinger-Vollmer, Baden ch U12,
Bad Mergentheim 2003,1-0}) 12. dxc6 Ba5 13. Ne5 (13. b4 $18 {Cloud Engines})
13... bxc6 {Stockfish12} 14. Be4 (14. Qc2 $18) 14... Bb6 (14... Bc7 15. Re1 (
15. Nxc6 Qf4 $19) (15. Bxc6 Rb8 $11) 15... Bxe5 16. dxe5 Qe7 17. Bxc6 Rb8 $14 {
Stockfish12}) 15. Re1 Rd8 16. Nxc6 Rd6 17. Ne7+ Qxe7 18. Bxa8 Rxd4 19. Qc2 (19.
Qe2 $16 {Stockfish12}) 19... Ba6 20. Be4 Rc4 21. Qd2 (21. Qe2 $16 {
Stockfish12- looks weird, but other moves appear to result in equal chances
according to Stockfish12}) 21... Rd4 {Komodo10 claims equaity here, but
Stockfish12 disagrees} (21... Qh4 $1 22. Bf3 (22. Qe2 f5 23. Bf3 Re4 24. Qc2
Rc4 $11) (22. Ba8 Rf4 23. Re3 Rd4 24. Qe1 Qd8 25. Bf3 Rd2 26. Rd1 Bxe3 $11)
22... Rd4 23. Qc2 Rc4 $11 {Stockfish12}) 22. Qc3 (22. Qc2 Rc4 23. Qe2 $16 {
Stockfish12}) 22... Rc4 (22... Qh4 $11 {Stockfish12}) (22... Qd6 $11 {Komodo10
& Stockfish12 agrees}) 23. Qf3 $18 Rd4 24. Rad1 Qb4 25. b3 {Komodo10} (25. Bc2
g6 26. Bxg6 fxg6 27. Rxe6 Rxd1+ 28. Qxd1 Qf8 29. Qe1 g5 30. Kh1 $18 {
Stockfish12- typical risky looking tactics from the Engine}) 25... f5 26. Bc6
Rxd1 {missing a chance} (26... Rf4 $11 {both Engines} 27. a3 {only move it
appears} Rxf3 28. axb4 Rxf2 29. b5 Bc8 30. Kh1 Kf8 31. Bd7 Bb7 32. Bc6 Bc8 $11
{Stockfish12- in effect Bl has 2 pawns for the exchange & his bl squred B has
no rival}) 27. Rxd1 $18 Qc5 28. Bd7 Kf7 29. Re1 Bc8 30. Bxc8 Qxc8 31. g3 Qc5
32. Re2 Qc1+ 33. Kg2 Qc5 34. h4 g6 35. Qd3 (35. h5) 35... Qd5+ {shortens the
game- the d4 pawn is easily blocked & Wh can just create a passed Q side pawn}
36. Qxd5 exd5 37. Kf3 d4 38. Re1 Bc5 39. Ke2 Kf6 (39... d3+ 40. Kf1 Bb4 41. Rd1
d2 42. Ke2 (42. a3 {engine idea}) 42... Ke6 43. Rxd2 {human idea}) 40. Kd3 {
and the Bl K is cut off} g5 41. hxg5+ Kxg5 42. f3 (42. Re8) 42... h5 43. Re5
Bb6 44. b4 Kf6 45. f4 Bc7 46. Rc5 Bb6 47. Kxd4 Ke6 48. Kc4 Bxc5 49. Kxc5 1-0
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.2"]
[White "Lovegrove, Robert"]
[Black "Hewitt, William"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1500"]
[BlackElo "2093"]
[Annotator "Home"]
[PlyCount "82"]
[EventDate "2021.??.??"]
{[%evp 0,82,38,36,69,57,57,54,36,36,59,53,53,61,53,39,39,33,33,45,50,38,38,38,
37,38,35,35,46,55,58,42,48,41,38,23,12,14,6,-9,-4,-6,1,-17,-10,-23,-30,-49,-7,
-44,-15,-57,-25,-166,-177,-214,-214,-208,-230,-208,-205,-268,-183,-283,-144,
-128,-128,-119,-82,-82,-86,-114,-47,-68,-60,-54,-55,-180,-241,-291,-296,-288,
-317,-550,-550]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Nf3
Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. c3 e6 10. h3 Bh5 11. O-O Bd6 12. Re1 O-O (12...
Bc7 13. Be2 {½-½ (86) Jameson,David(2054) -HenriksonJ (2243) Gibraltar
Masters 2011}) 13. Bg5 Bg6 (13... Qc7 $11 {main, 5 draws, 6 Bl wins . Other
notes are those of Bill-R}) 14. Bxg6 (14. Ne5 $14 Bxd3 15. Nxd3 Be7 16. Qf3 Qd5
17. Qxd5 cxd5 18. Bxf6 Bxf6 19. Nc5 $11 {Schenn (1669)-Hohn(1885), Berlin ch
Seniors,2010,0-1 -R}) 14... hxg6 $11 15. Qd3 a5 {Just gaining some space} 16.
Rad1 Qc7 17. Bxf6 gxf6 {OK, so this takes e5 away from the knight but black
has to be mindful of moving the pawns as they create weaknesses. Possibly ...
b5 to cover c4 and ...f5 will be in blacks plans. White can push for c4 & d5
and black doesn't want to see the h-pawn advancing & taking on g6.} 18. Nd2 (
18. h4 Kg7 19. g3 Rh8 20. Kg2 $11 {Stockfish12; prevents any play down the h
file-R}) 18... Kg7 19. Ne4 Be7 20. Qf3 a4 (20... Rh8 $17) (20... Rad8 $17 {
both Stockfish12-R}) 21. Rd3 Ra5 {2nd game in a row I've developed the queens
rook in this way, though simply, ...Rfd8, connecting the rooks and waiting to
see what white does may have been better} (21... f5 22. Ng3 Rfd8 23. Red1 c5
$17 {Stockfish12- occasionally rating this a winning for Bl. On an open board
the B is far superior to the N- R}) 22. c4 Rd8 23. Red1 Rd7 (23... f5 $1 24.
Nc3 b5) 24. R1d2 Ra8 25. h4 {this was a mouse-slip} Rh8 (25... f5 26. Ng5 Rad8
27. g3 e5 $19 {Stockfish12-R}) 26. Qh3 (26. g3 Qa5 27. Nc3 $15 {Stockfish12-R})
26... Qf4 {Stockfish12 gives the text as also clearly winning, its second
choice} (26... f5 $19) 27. Nc3 Rxh4 28. Qg3 Qh6 {Playing for an attack [&
first choice of Stockfish12-R]} (28... Qxg3 29. fxg3 {I looked briefly at this
and thought I'd have to play ... Rh8 or ...Rg4 when I'm losing the a-pawn but
of course the f-pawn has moved ..} Rhxd4 30. Rxd4 Rxd4 31. Rxd4 Bc5 {would
have been a better choice}) 29. Kf1 (29. f3 Bd6 {is winning}) 29... Bd6 (29...
f5 $19 {Stockfish12-R}) 30. Qf3 Bb4 31. Rd1 Bxc3 $2 $17 {[again a Stockfish
second choice, & still judged as winning for Bl-R]} (31... a3) 32. bxc3 Rh1+ (
32... b5 $19 {Stockfish12-R}) 33. Ke2 Rxd1 {We both had under 10 minutes now.}
34. Rxd1 Qg5 35. g3 Qa5 (35... e5 $19 {Stockfish12, rating the text played as
only definite Bl plus-R}) 36. Qe3 (36. Rh1 $17 {Stockfish12-R}) 36... g5 37.
Rh1 Qf5 38. Kd2 (38. Qd3 $17 {Stockfish12- the swap of Qs keeps Wh's K alive ,
and R endings acan be drawn, even with a pawn down-R]}) 38... c5 $19 {In heavy
piece endings king safety is very important. Here the white king will soon be
devoid of cover and this will cost material.} 39. Re1 cxd4 40. cxd4 Qc5 41. d5
(41. Rc1 {is what I expected, but} Rxd4+ 42. Ke1 b6 $19) 41... Qxc4 {[Small
slips by Wh along the way. But doubling the Bl f pawns gave Wh no attacking
chances at all, merely depriving Wh of claiming theslight extra space with a
Ne5.-R]} 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.3"]
[White "Evans, Gwyn"]
[Black "Watkin-Jones, Adam"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1192"]
[BlackElo "1918"]
[Annotator "kemen"]
[PlyCount "122"]
[EventDate "2021.??.??"]
{[%evp 0,122,80,9,10,-34,-12,1,31,4,1,2,2,2,15,-15,-9,-45,-30,-43,-14,-42,-88,
-88,-134,-137,-132,-141,-147,-147,-135,-133,-155,-224,-163,-209,-278,-274,-271,
-282,-283,-240,-257,-297,-312,-335,-244,-337,-314,-480,-491,-471,-405,-407,
-294,-728,-687,-687,-724,-724,-365,-356,-356,-354,-340,-371,-369,-429,-444,
-1050,-332,-338,-311,-311,-314,-404,-405,-493,-585,-585,-593,-599,-359,-359,
-330,-389,-331,-328,-333,-349,-352,-365,-408,-441,-406,-474,-469,-521,-533,
-552,-585,-1095,-1401,-1674,-1710,-2138,-2660,-29971,-1559,-29977,-1148,-1303,
-1412,-1493,-1499,-1497,-1458,-1664,-1854,-2089,-2676,-28449,-28134,-2698,
-29984]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. d3 Nbd7 (4... Bg4 {main}) 5. O-O e5
6. Nbd2 Be7 (6... Bd6) 7. h3 (7. e4 {main idea in this King's Indian Reversed,
yields Wh 66 % in 78 games. In this game Wh does not claim enough of the
centre, so his pieces end up in each other's way}) 7... O-O 8. Nh4 $146 (8. e4
$11 {3 draws}) 8... Re8 $15 9. Ndf3 Bf8 $17 (9... e4 $17 {Stockfish12}) 10. Bg5
h6 $19 11. Bd2 Nb6 (11... e4 12. Nd4 c5 13. Ndf5 g5 $19 {Stockfish12}) 12. Qc1
g5 13. Nxg5 hxg5 14. Bxg5 Bg7 (14... Qd6 $19 {looks simplest}) 15. Bh6 Nh7 (
15... Nh5) 16. Bd2 e4 {in what follows Bl is able to make use of the open
spaces that Wh has created around the Bl K side} (16... Bf6 17. Nf3 Bf5 $19 {
Stockfish12}) 17. c3 Bf6 18. dxe4 Bxh4 19. gxh4 Qxh4 $19 20. Kh2 dxe4 {Wh has
no presence in the centre at all & his pieces are passive} 21. Be3 Bf5 (21...
Nd5) 22. Rg1 Bg6 (22... Kh8 {prepares to have the Bl pieces invade via the g
file}) 23. Qc2 Nd5 24. Raf1 Nhf6 25. Bh1 Re5 26. Rg3 Rh5 27. Rfg1 Ng4+ 28. Kg2
Ngxe3+ 29. fxe3 Rg5 (29... Nxe3+ $1 {Stockfish12- finishes things off quicker}
30. Rxe3 Rg5+ 31. Kh2 Rxg1 32. Kxg1 Qg5+ 33. Kf2 Qf4+ 34. Kg2 Qxe3 {and Bl is
a R up with all Wh's pieces looking helpless}) 30. Kh2 Rxg3 31. Rxg3 Re8 (31...
Kh7) 32. Qc1 Re5 33. Bg2 Rg5 34. Qe1 Rxg3 (34... Nxe3 {Stockfish12- is even
better}) 35. Qxg3 Qxg3+ 36. Kxg3 Nxe3 (36... b5) 37. Bh1 (37. Bxe4 Bxe4 38. Kf4
{but Wh remains a piece down}) 37... Nd1 38. Kg4 {an error but it doesn't
really matter much at this point} Nf2+ 39. Kg3 Nxh1+ 40. Kg2 Kg7 41. Kxh1 Kh6
42. Kh2 Kh5 43. Kg3 f5 44. e3 Bf7 45. b3 Kg5 46. c4 a5 47. a3 a4 48. bxa4 Bxc4
49. a5 Be2 50. h4+ Kf6 51. Kf4 c5 {quickest} 52. Kg3 c4 53. Kf2 Bd3 (53... Bh5)
54. Ke1 Kg6 (54... c3) (54... f4) 55. Kd2 Kh5 56. a4 Kxh4 57. Kc3 Kg3 58. Kb4
f4 59. exf4 Kxf4 60. Kb5 c3+ 61. Kb6 Ba6 0-1
[Event "Dyfed Online Closed Lichess"]
[Site "?"]
[Date "2021.01.19"]
[Round "3.4"]
[White "Van Kemenade, R."]
[Black "Brewer, Joshua"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1999"]
[BlackElo "1481"]
[Annotator "kemen"]
[PlyCount "110"]
[EventDate "2021.01.20"]
[TimeControl "2700+15"]
{[%evp 0,110,23,11,42,6,17,24,48,29,81,-20,-1,1,4,8,-1,-1,14,0,31,51,47,43,43,
49,85,83,127,124,84,112,225,109,176,209,211,220,186,191,167,201,212,180,402,
197,202,188,191,143,148,-92,-88,-85,-105,-116,-116,-198,-199,-199,-211,-242,
-215,-252,-235,-344,-332,-423,-402,-409,-406,-459,-462,-481,-508,-690,-397,
-405,-383,-525,-486,-564,-596,-682,-596,-695,-408,-432,-458,-589,-763,-762,
-388,-503,-534,-522,-558,-607,-348,-348,-341,-848,-893,-915,-902,-916,-921,
-942,-942,-962,-962,-1083,-1224]} 1. e4 Nc6 2. Nf3 e5 3. Bc4 {C50 Italian Game}
d6 4. c3 Nf6 $6 {(0.36 ? 1.12) Inaccuracy. f5 was best.} (4... f5 5. d3 f4 6.
b4 Qf6 7. Qb3 Nh6 8. d4 Nf7 9. Nbd2) (4... Bg4 {main line-R}) (4... Be7 {
main line-R}) 5. d3 $6 {(1.12 ? 0.48) Inaccuracy. Ng5 was best.} (5. Ng5 {
considered by Wh -R} d5 6. exd5 Na5 (6... Nxd5 7. d4 (7. Qf3 Qxg5 8. Bxd5 Qg6)
7... Be7 8. Nxf7) 7. Qa4+ Nd7 8. Nxf7 Qh4 9. Nxe5 Bd6) 5... h6 (5... Be7) 6.
O-O a6 (6... g6 {found in GM games-R}) 7. a4 (7. Bb3 {main-R}) 7... Be7 $6 {
(0.25 ? 0.77) Inaccuracy. g5 was best.} (7... g5 8. Bb3 Bg7 9. Nbd2 g4 10. Ne1
O-O 11. g3 d5 12. Ng2) 8. Re1 (8. h3) (8. Nbd2 {have been played-R}) 8... Bd7 {
perhaps this blocks things in a bit, 0-0 is simpler-R} 9. d4 exd4 (9... Bg4 $5)
10. cxd4 O-O 11. h3 Na5 $6 {(0.86 ? 1.44) Inaccuracy. Nb4 was best.} (11... Nb4
12. Bd2 $14) 12. Ba2 b5 $6 {(1.20 ? 2.06) Inaccuracy. c5 was best.} (12... c5
13. Nc3 cxd4 14. Nxd4 Rc8 15. Qd3 Nc6 16. Nxc6 Rxc6 17. Qg3 Kh8 18. Rd1 Be6 19.
Be3 $11 {lichess analysis} (19. e5 $16 {Stockfish12-R})) 13. Nc3 $6 {(2.06 ? 0.
97) Inaccuracy. e5 was best.} (13. e5 dxe5) 13... c6 $4 {(0.97 ? 3.89) Blunder.
b4 was best.} (13... b4 14. Nd5 Nxd5 15. Bxd5 c6 16. Ba2 $16 {Stockfish12- R})
14. e5 $18 dxe5 15. dxe5 Ne8 16. Qe2 $6 {(4.27 ? 2.94) Inaccuracy. axb5 was
best.} (16. axb5 axb5 17. Qc2 b4 18. Bb1 g6 19. e6 Bxe6 20. Rxe6 Bf6 21. Bxh6
bxc3 22. b4 Nb7 23. Rxa8 Qxa8 24. Ba2 $18 {Stockfish12-R}) (16. Qc2 Nc7 17.
axb5 axb5 18. Bxh6 $18 {Stockfish12-R}) 16... Be6 17. Bxe6 fxe6 18. Rd1 Qc7 19.
axb5 cxb5 20. Nd4 Qb6 21. Qg4 (21. Rxa5 $1 Qxa5 22. Nxe6 Rf7 23. Nd5 $18 {
Stockfish12-R}) 21... g5 $2 {(3.93 ? 7.41) Mistake. Nc4 was best.} (21... Nc4
22. Nxe6) 22. Qxe6+ $2 {(7.41 ? 3.81) Mistake. Rxa5 was best.} (22. Rxa5 Qxa5
23. Qxe6+ Rf7 24. Nf5 $18 {Stockfish12-R}) (22. Nxe6 Qxf2+ (22... h5 23. Qe4
Qxe6 24. Qxa8 $18) 23. Kh1 Qf5 24. Nxf8 Qxg4 25. hxg4 $18 {Stockfish12-R}) (22.
Be3 {considered} Nc4 23. Qh5 $18 {Stockfish12} Nxe3 24. Qg6+ Ng7 25. fxe3 Qc5
26. Nxe6 Qxe3+ 27. Kh1 Qxe5 28. Re1 $18 {-R}) 22... Qxe6 23. Nxe6 Nb3 24. Rb1 (
24. Nxf8 Nxa1 25. Ng6 Bb4 26. Nd5 $18 {Stockfish12-R}) 24... Rf5 25. Re1 $4 {
(3.46 ? -1.42) Blunder. f4 was best.} (25. f4 Nxc1 26. g4 Rf7 27. Rbxc1 $18 {
Stockfish12-R}) ({considered} 25. Nd5 Kf7 26. Nb6 Ra7 27. Nd8+ Bxd8 28. e6+
Kxe6 29. Rxd8 $18 {Stockfish12-R}) 25... Kf7 $19 {winning a piece in broad
daylight-R} 26. g4 Rf3 27. Kg2 (27. Nxg5+ hxg5 28. Nd5 Nxc1 29. Rbxc1 Rxh3 $19)
27... Rd3 28. f4 $2 {(-1.58 ? -3.39) Mistake. Nf4 was best.} (28. Nf4 gxf4 29.
Bxf4 Nd2 (29... Rad8 $19 {Stockfish12}) 30. Rbc1 Nc4 31. Bxh6 Nc7 32. Ne2 Ne6
33. Nf4 Rb3 34. h4 Rh8 $19) 28... Kxe6 29. f5+ Kf7 30. f6 $6 {(-3.29 ? -4.72)
Inaccuracy. Be3 was best.} (30. Be3 Bc5) 30... Nxc1 31. Rbxc1 Bb4 32. e6+ (32.
Re4 Bxc3 33. bxc3 a5 34. Rf1 Nc7 {the pawns are blockaded & the a pawn advance
soon wins-R}) 32... Kxf6 33. Rf1+ (33. Ne4+ Ke7 34. Re2 {Stockfish12
-considered but Wh has no attack against the K sheltering behind the pawn-R})
33... Kxe6 34. Rce1+ Kd7 (34... Kd6 {looks a little stronger-R}) 35. Rf7+ Kc6
36. Re6+ Nd6 {Stockfish12 prefers this, however-R} (36... Rd6 {expected-ends
any Wh ideas of pushing a pawn through on the K side-R}) 37. Ne4 (37. Rxh6 $5 {
Stockfish12-R}) 37... Rd8 $6 {(-9.11 ? -5.35) Inaccuracy. Kd5 was best.} (37...
Kd5 38. Rfe7 Nxe4 39. Re5+ Kc6 40. R7e6+ Nd6 41. Rxh6 Rd2+ 42. Kf3 Rxb2 43.
Rxg5 Bd2 44. Rxd6+) 38. Rxh6 Kd5 39. Nf6+ Kc4 40. Ra7 Rd2+ 41. Kf3 a5 42. h4
Rh2 43. hxg5 Rxb2 44. g6 $6 {(-5.64 ? -7.93) Inaccuracy. Rc7+ was best.[didn't
look very promising to Wh-R]} (44. Rc7+ Bc5 45. Rh1 Rc2 46. Re1 Kb3 47. g6 Rf2+
48. Kg3 Bd4 49. Nd7 Rc2 50. Rxc2 Kxc2) 44... Rb3+ 45. Kg2 Ne8 $6 {(-8.26 ? -5.
57) Inaccuracy. Nf5 was best.} (45... Nf5) 46. Ne4 (46. Nxe8 $2 Rd2+ 47. Kf1
Rb1# {-R}) 46... Rb2+ 47. Kf3 Rd3+ 48. Kf4 Bd2+ $6 {(-7.01 ? -5.07) Inaccuracy.
Bc5 was best.} (48... Bc5 49. g7 Be3+ 50. Ke5 Rd5+ 51. Ke6 Nxg7+ 52. Rxg7 Bxh6
53. Rc7+ Kd4 54. g5 Re5+ 55. Kf7) 49. Nxd2+ Rbxd2 50. Re7 $2 {(-4.63 ? -8.93)
Mistake. Rh1 was best.} (50. Rh1 Rd4+ 51. Kg3 Nf6 52. Rc1+ Kb4 53. Rb1+ Kc5 54.
Rxa5 Ne4+ 55. Kf3 R2d3+ 56. Kg2 Nc3) (50. g7 {could have been tried} Nxg7 51.
Rxg7 {but Bl can run a Q side pawn advance more effectively than the single g
pawn} a4 52. g5 a3 53. Ra7 b4 54. g6 Rf2+ 55. Ke4 Rg3 56. g7 Rfg2 {-R}) 50...
Rf2+ 51. Kg5 {a move to the e file is a quick mate} Rd5+ 52. Kh4 Rh2+ 53. Kg3
Rxh6 54. Rxe8 Rxg6 55. Re4+ Rd4 {Normal White resigns.} 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.5"]
[White "Pinch, David"]
[Black "Francis, Matthew"]
[Result "0-1"]
[ECO "A91"]
[WhiteElo "1798"]
[BlackElo "1648"]
[Annotator "kemen"]
[PlyCount "112"]
[EventDate "2021.??.??"]
{[%evp 0,112,80,63,66,-14,46,24,38,38,38,41,82,41,47,23,37,-34,44,-11,22,4,30,
8,2,-9,18,15,18,-27,-33,-31,-33,-33,-33,-64,-69,-91,-87,-108,-71,-98,-50,-85,
-87,-99,-51,-65,-70,-77,-66,-61,-63,-110,-125,-118,-75,-177,-180,-180,-162,
-187,-157,-206,-155,-160,-172,-189,-129,-160,-129,-158,-149,-175,-148,-155,
-165,-198,-189,-214,-234,-229,-229,-456,-582,-600,-349,-356,-356,-374,-342,
-388,-320,-401,-391,-1292,-353,-367,-339,-363,-363,-1494,-456,-618,-254,-1067,
-1092,-1096,-1159,-1216,-1275,-29971,-29972,-29989,-29992]} 1. d4 e6 2. c4 (2.
Nf3 f5 3. Bg5 Nf6 4. Nbd2 h6 5. Bxf6 Qxf6 6. e4 d6 7. Bd3 Be7 8. e5 Qf7 9. Qe2
Nc6 10. c3 Bd7 11. O-O-O O-O-O {Pinch-Francis,WCU Online U1800, 2020, 0-1})
2... f5 3. g3 Nf6 4. Bg2 d5 (4... c6 5. Nf3 d5 6. O-O Bd6 7. Nc3 O-O 8. Rb1
Nbd7 9. b4 Ne4 {T.Brown-Francis, Dyfed Open 2017,1/2-1/2}) 5. Nc3 c6 6. Nh3 {
the Carlsbad Sytem , occurs in a variety of anti-Dutch sustems} Be7 (6... Bd6 {
main}) 7. O-O O-O 8. Qc2 (8. b3) (8. Nf4 {main lines}) 8... Qe8 (8... Na6 {
alternative}) 9. Bg5 $146 (9. Rb1 {1 game each}) (9. Nf4 $14 {Stockfish12})
9... Nbd7 10. Nf4 (10. cxd5 $1 {takes advantage of Bl's lat} exd5 (10... cxd5
11. Nb5 Qf7 12. Bf4 Ne8 13. Nxa7 $18) (10... Nxd5 11. e4 fxe4 12. Nxe4 $18 {
Bl has a wrecked pawn structure}) 11. Qxf5 $16) 10... Bd6 11. c5 {releases the
central tension, and e5 will be coming} (11. cxd5 exd5 12. Nd3 Ne4 13. Bf4 $14
{Stockfish12}) 11... Bc7 12. Nd3 Ne4 (12... e5) 13. Bf4 e5 14. Bxe5 Nxe5 15.
Nxe5 Bxe5 16. dxe5 Qxe5 17. Nxe4 (17. e3 Nxc3 18. Qxc3 Qxc3 19. bxc3 $11 {
Stockfish12}) 17... fxe4 $17 {Bl has got definite K side attacking chances.
Wh's normal counterplay on the Q side is non-exitent} 18. e3 $2 {concedes all
the wh squares. This kibitzer kept on expecting an imminent invasion on f3,
creating mating threats on g2 and/or h2} Bf5 {'developing ' a piece, but it
blocks the f file, where Bl can even put a R on f3.} (18... Bg4 $19 {Rudy}) (
18... Qh5 $19 {Stockfish12}) 19. a3 Qe7 (19... Bg4 $19) (19... Qe6 $19) 20. b4
h5 21. Rfb1 (21. h3 $17) 21... h4 $19 22. Rb2 hxg3 {releasing the tension a
little early- Wh could take back with the f pawn , hoping for excanges along
the f file.} (22... Rf6 $19) (22... Bg4 $17 {both Stockfish12}) 23. hxg3 (23.
fxg3 $17 {gives better chances of survival}) 23... Rad8 {the R has no
prospects here, other than to play ...d4, which would eradicate Bl's advantage
on the K side, based upon a firm centre} (23... Rf6 24. Rf1 Raf8 25. b5 Bg4 $19
{Stockfish12}) (23... Bg4 $19 {Stockfish12}) 24. Qc3 Bg4 (24... Rf6 {also}) 25.
b5 Rd7 (25... Qg5 26. Qd2 Qh5 $19 {Stockfish12}) 26. Qa5 (26. bxc6 bxc6 27.
Rab1 $17 {Wh is getting a bit of undereserved Q side action}) 26... Qxc5 (26...
Qe5 27. Rab1 Rdf7 28. Qxa7 d4 $19 {Stockfish12}) (26... Qg5 27. Qxa7 Rdf7 28.
Rab1 Qf5 29. Qa5 Rf6 30. Qc7 Qh5 31. Qe7 Bf3 32. bxc6 Bxg2 33. Kxg2 Qf3+ 34.
Kg1 bxc6 35. Qd6 Kh7 {Stockfish12-and Wh is getting mated}) 27. Qb4 {Wh can
now swap Qs, so delaying direct mating attacks on his own K.} Qxb4 28. Rxb4 c5
29. Rb2 b6 {Bl has an extra pawn, with pawn & piece mobility greater than Wh}
30. a4 Re8 31. Kf1 Rc7 (31... Kf7 32. a5 Ke6 {Stockfish12}) 32. Rd2 Be6 (32...
Rd7) 33. Rc1 Bf7 34. Ke1 Rcc8 (34... g6 35. a5 Kg7 36. Ra1 Kf6 37. Rda2 Be6 $19
{Stockfish12}) 35. Kd1 Rcd8 36. Kc2 d4 {Stockfish12 continues to prepare, but
there is no reason why this is not a good continuation} 37. exd4 cxd4 38. Re1
d3+ 39. Kb2 Rd4 {the Engine starts giving up a piece here to defang the pawns
paralysing Wh} 40. Ka3 Rc4 (40... Bd5 {extra security, but not required}) 41.
Re3 (41. Bxe4 $5 {Stockfish12}) 41... Rc3+ 42. Kb2 Rb3+ 43. Ka1 Ra3+ (43... Rc8
) 44. Kb1 Rxa4 45. Rb2 Bg6 46. Rd2 Rb4+ 47. Rb2 Rxb2+ (47... d2 48. Kc2 Rd8 $19
{Stockfish12}) 48. Kxb2 Re5 49. Kc1 Rc5+ 50. Kb2 Rxb5+ (50... d2) 51. Kc3 Re5 (
51... Rc5+ 52. Kd2 Rc2+ 53. Ke1 Bh5 {Stockfish12}) 52. f3 Rc5+ 53. Kd2 Rc2+ 54.
Kd1 Rxg2 55. fxe4 Bh5+ 56. Kc1 d2+ {a systematic Q side demolition, though it
could have been an earlier K side demolition.} 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.6"]
[White "Brewer, Ben"]
[Black "Greenwood, Ray"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1679"]
[BlackElo "1286"]
[Annotator "kemen"]
[PlyCount "59"]
[EventDate "2021.??.??"]
{[%evp 0,59,31,-10,-36,-51,-26,-11,-19,-11,8,33,43,27,27,4,49,37,42,75,110,92,
146,144,142,147,147,144,144,144,144,135,250,252,242,251,247,248,321,276,306,
304,336,348,407,421,592,507,662,674,711,711,29977,29978,29979,29980,29981,
29980,29981,1340,29979,29986]} 1. g3 (1. d4 d5 2. Nf3 Nc6 3. c4 e6 4. Nc3 Nf6
5. Bg5 Be7 6. e3 {Brewer-Greenwood, Dyfed League 2019,1-0}) 1... e5 2. Bg2 {
I looked at Ray’s recent games and saw he had a few Queens gambit games, so
my idea in the opening was to play a line that hopefully would not be in his
natural repertoire, g3 and Bg2 also invited Ray to play aggressively and
perhaps overextend, and with the extra half tempo I should naturally have good
chances with the counterattack. (Ben)} d5 3. d4 (3. d3) (3. c4 {main
lines-going for a King's Indian Reversed-R}) 3... e4 4. c4 Be6 $146 {Often in
QP games , developing the Bl QB early leads to a weakening of the b7 square.
This happens here as well.-R} (4... c6 5. Nc3 {main, 233 games, with Michael
Adams & Gawain Jones amongst other GMs who have played the Wh side-R}) 5. Nc3
Bb4 6. cxd5 Qxd5 7. e3 (7. Nh3 $16 {Stockfish12} Nc6 8. O-O Qxd4 9. Ng5 Bxc3
10. bxc3 Qxd1 (10... Qxc3 11. Nxe6 fxe6 12. Rb1 $16) 11. Rxd1 Nf6 12. Nxe4 Nxe4
13. Bxe4 $16 {Stockfish12-Wh has 2 Bs on an open board, with a vulnerable Q
side to take aim at.} Rd8 14. Bf4 Rxd1+ 15. Rxd1 Bxa2 16. Rd2 Be6 17. Rb2 Na5
18. Bxb7 Kd7 19. Ba6 Rd8 20. f3 $16 {Stockfish12-R}) 7... Nf6 (7... Bxc3+ 8.
bxc3 Nf6 $11 {Stockfish12-R}) 8. Nge2 Bg4 {moving a piece twice in the opening
phase is seldom a good idea-R} (8... Nbd7) 9. O-O (9. Qa4+ Nc6 10. Bd2 Bxc3 11.
Nxc3 Qe6 12. d5 Nxd5 13. Nxd5 Qxd5 14. Bxe4 Qe6 15. f3 Bf5 16. Bxc6+ bxc6 17.
Rc1 $18 (17. e4 $18) (17. Kf2 $18 {Stockfish12- the doubled c pawns are a
disaster & the opposite colour Bs aid Wh in the attack, while it's opposite
number sits on the side lines-R})) 9... Bxc3 10. Nxc3 $18 {I did initially
intend to play bxc3 to Bxc3, but I didn’t really like my pieces after the
exchange so I kept looking and found what I played. (Ben)} Qd7 (10... Qe6 11.
Qb3 Qxb3 12. axb3 Bf3 (12... Bf5 13. Ra5) 13. Bxf3 exf3 14. e4 $18 {
Stockfish12-R}) 11. Qc2 Bf3 12. Nxe4 Bxg2 13. Nxf6+ gxf6 14. Kxg2 Nc6 15. Qe4+
Ne7 (15... Qe6 16. Qxe6+ fxe6 17. Bd2 {Stockfish12-Wh is still a solid pawn up}
) 16. Qxb7 {It seems I inadvertently took advantage of Ray’s reluctance to
trade Qs twice. It gained me two pawns and completely destroyed his structure.
(Notice Qxb7 even comes with tempo forcing him to do something about the rook,
not that it exactly wants to stay there, but it prevents c6! , temporarily
isolating my queen from the kingside and the beautiful long diagonal and
potentially seizing it himself. So Qf3 was really necessary) (Ben)} O-O 17. Qf3
{The rest was a cleanup operation with very natural development for my pieces,
although Ray as always managed to find some tricky lines that needed careful
navigation to avoid losing ground.} f5 18. b3 (18. Bd2 {Stockfish12-R}) 18...
Ng6 19. Bb2 (19. Ba3 {prevents any ideas of ...c5- R}) 19... Rfe8 20. Rac1 (20.
d5 Ne5 21. Bxe5 Rxe5 22. Rfd1 Rb8 23. Rd4 $18 {Stockfish12-R}) 20... Rac8 21.
Rc5 f4 22. exf4 Re6 23. d5 {It was a difficult choice between d5 and f5. I
went with what seemed the most active, hoping to dislodge the rook and open
the long diagonal for the B, but I was well aware that the subtle differences
had a big impact on the position, and I wasn’t too sure about my choice.
(Ben) [Stockfish12 rates both about the same- + 8 something]} Rd6 24. f5 Ne7
25. Qg4+ Kf8 26. Qg7+ Ke8 27. Qh8+ Ng8 28. Qxg8+ Ke7 29. Qg5+ (29. Re1+ {
mate in 9- Stockfish12}) (29. f6+ {mate in 10 Stockfish12}) 29... Ke8 (29... f6
{clings on longer it seems-R}) 30. Re1+ 1-0
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.7"]
[White "Williams, R Gareth"]
[Black "Holman, Sam"]
[Result "1-0"]
[ECO "A82"]
[WhiteElo "1643"]
[BlackElo "1386"]
[Annotator "kemen"]
[PlyCount "71"]
[EventDate "2021.??.??"]
{[%evp 0,71,20,23,65,-4,12,-64,-64,-70,43,-70,-24,-29,-32,-49,-41,-55,10,-22,
-6,-40,-40,-71,-40,-70,-100,-100,-108,-154,-153,-148,-154,-181,-132,-181,-169,
-169,-161,-200,-192,-209,-210,-250,-197,-269,-283,-283,-187,-190,-190,-240,
-217,-345,-239,-222,-40,-133,-126,-170,-170,-170,-177,-169,-114,-130,-130,-130,
-103,-103,7,-13,29993,29994]} 1. d4 f5 2. e4 {Staunton Gambit} (2. Nf3 Nf6 3.
Bg5 e6 4. e3 Be7 5. h3 h6 6. Bf4 b6 7. Nc3 Bb7 8. Be2 d6 9. Qd3 Nbd7 10. a3 Ne4
{E Llywelyn-Holman, Dyfed League 2017,0-1}) 2... fxe4 3. Bc4 (3. Nc3) (3. f3 {
main lines}) 3... Nf6 (3... d5 $2 4. Qh5+) 4. Nc3 d5 $6 (4... e6 {main}) (4...
Nc6) 5. Bb3 (5. Nxd5 $16 {yet} Nxd5 6. Qh5+ g6 7. Qxd5 Qxd5 8. Bxd5 Nc6 9. Ne2
Bg7 10. O-O (10. c3 $18) 10... Nxd4 11. Nxd4 Bxd4 12. Rd1 $11 {Calleja- De
Groof, EU ch U08, Bratislava 2019, 0-1}) 5... g6 (5... Nc6 6. Bg5 $17 {
transposes, but 5-2}) (5... e6 $17 {Stockfish12-stabilizes the centre}) 6. Bg5
(6. Bf4 $11) 6... c6 7. Nge2 (7. f3 $11) 7... Bg7 $17 8. Qd2 h5 {weakens the K
side, especially g6} (8... Nbd7 {prepares for ...e5}) 9. h3 Na6 10. Nf4 Bf5 11.
O-O-O (11. O-O $5) 11... Qd7 $17 (11... Qd6 $19 {Stockfish12}) (11... Nc7 $19 {
Stockfish12}) 12. f3 exf3 13. gxf3 Nh7 $19 14. h4 Nxg5 15. hxg5 O-O-O {Wh has
no real compensation for the pawn} 16. Nce2 Nc7 (16... e5) 17. Ng3 e5 (17... h4
18. Nxf5 Qxf5 19. c3 e5 $19 {Stockfish12}) 18. dxe5 Bxe5 19. Rde1 Rhe8 20. Kb1
Bd6 21. a3 Kb8 (21... Rxe1+ 22. Rxe1 h4 23. Nge2 Re8 $19 {Stockfish12}) 22. Ka2
Rxe1 23. Rxe1 Re8 $19 (23... h4 $19) 24. Rxe8+ Nxe8 25. Qe3 Ng7 26. Qd4 Qc7 (
26... h4 27. Nge2 Qe7 $19 {Stockfish12}) 27. Nxf5 Be5 (27... Nxf5 28. Qh8+ Qc8
29. Qxc8+ Kxc8 30. Nxg6 h4 $19 {the h pawn will cost a N}) 28. Qd3 (28. Qb4
Bxf4 29. Nxg7 Bd6 30. Qd4 Be5 31. Qd3 Qxg7 $17 {Stockfish12}) 28... Bxf4 29.
Nxg7 Qxg7 $19 30. c4 d4 (30... Bc1 31. Qc2 dxc4 32. Bxc4 Bxg5 $19 {Stockfish12}
) 31. Qe4 Be3 (31... Bxg5 $19) 32. Qe8+ Kc7 33. Bc2 h4 $19 (33... Bxg5 $19) 34.
Bxg6 h3 {missing Wh's desparation counterchances} (34... Bxg5 $19) 35. Bf5 h2 (
35... Qxg5 36. Qe5+ Kb6 37. c5+ Ka5 38. Qc7+ Kb5 39. Qxb7+ Kxc5 40. Qxa7+ Kd6
41. Qb8+ Ke7 42. Qe5+ Kf8 43. Qd6+ Qe7 (43... Kg7 44. Qd7+ Kf8 45. Bxh3 $18)
44. Qxe7+ Kxe7 45. Bxh3 d3 46. Bf1 d2 47. Be2 $14 {Stockfish12- but, with two
passed pawns and Bl's centre pawn blockaded, Wh is most likely winning}) 36. c5
{closes the mating net.} 1-0
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.8"]
[White "Gunn, Tom"]
[Black "Orton, Paul"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "1398"]
[BlackElo "1612"]
[Annotator "kemen"]
[PlyCount "115"]
[EventDate "2021.??.??"]
{[%evp 0,115,23,23,29,35,52,12,12,4,4,5,4,-9,21,7,51,21,-5,-28,-4,-8,-14,-39,
-31,-24,-21,-27,-44,-34,14,4,11,-15,-13,-13,1,-41,-11,-33,-11,-5,-15,-24,-22,
-22,4,2,17,0,0,0,-6,0,0,-8,-24,-25,-16,-15,-14,-20,-14,-2,0,-8,0,0,0,0,34,35,
62,65,58,70,94,103,96,95,99,120,103,108,101,102,109,167,280,304,304,324,358,
320,403,458,453,360,390,390,405,373,405,485,724,491,752,770,1105,1022,1229,
1269,1470,1519,29394,29970,29971,29972]} 1. d4 Nf6 2. Nf3 g6 3. e3 (3. Bf4 Bg7
4. e3 d6 5. Nbd2 Nbd7 6. c3 c5 7. Qb3 b6 8. Ng5 O-O 9. Be2 Bb7 10. Rg1 {
Philpin-Orton, Dyfed Open 2019,1-0}) 3... Bg7 4. Bd3 O-O 5. O-O d5 (5... d6 6.
c4 Nbd7 7. Re1 e5 8. Nbd2 Ng4 9. h3 Nh6 10. d5 f5 11. e4 f4 {Gunn-Miller,
Dyfed League 2020,0-1}) 6. Nbd2 {main} (6. c4 c5 7. cxd5 Nxd5 8. dxc5 Nb4 9.
Bc2 N8a6 10. Qd2 $2 Qxd2 11. Nbxd2 Nxc2 {Gunn-M Jones,Dyfed Online Closed rd1,
2021,0-1}) 6... Nbd7 7. c4 {54% for Wh} (7. c3 {main, yet 39% for Wh (original
Colle setup)}) 7... c6 {main, 55 % for Wh} (7... c5 {more active and scores
better for Bl than the text; 44 % for Wh}) 8. b3 e5 (8... Re8 {is slower}) 9.
Nxe5 (9. cxd5 cxd5 {5 draws, 1 Bl win , an 1165 vs 1863} (9... Nxd5 {3 draws,
1 win each})) (9. dxe5 {Cloud Engines} Ng4 {2 draws, 1 Bl win}) 9... Nxe5 10.
dxe5 Ng4 11. Bb2 (11. Ba3 {Houdini3 & Stockfish12}) 11... Nxe5 12. Bxe5 (12.
Be2 {Cloud Engines, though Bl gets a slight edge with} dxc4 13. bxc4 (13. Nxc4
$6 Nxc4 14. Bxg7 Nxe3 15. Qxd8 Rxd8 16. Bf6 Rd2 17. fxe3 Rxe2 $17) 13... Nf3+
14. Nxf3 Bxb2 {Wh has split pawns on the Q side & ceded the 2 Bs}) 12... Bxe5
13. Rb1 Qc7 (13... dxc4 14. Bxc4 Qe7 $17 {Stockfish12}) 14. Nf3 Bd6 {this
feels to be the wrong direction} 15. cxd5 cxd5 16. Qc2 Qxc2 17. Bxc2 $11 {
the pawns are static, especially the d5 pawn- not a postion that favours the Bs
} b6 18. Rbc1 Bb7 19. Nd4 a6 (19... Ba6 {looks better- the text is making Bl's
QB into a bad one}) 20. Bd3 Rac8 21. a4 Rfe8 22. g3 Rc7 (22... Rc5 {looks
preferable, fighting for the c file ( Rxc5 would give the B the kind of
dynamic pawn structure they need)}) 23. Rxc7 Bxc7 24. Rc1 Rc8 25. Kf1 Bd6 26.
Rxc8+ Bxc8 27. Ke2 Kg7 28. Kd2 Kf6 29. f4 $11 h6 30. Be2 g5 31. Bf3 Bb7 32. Kd3
Bc5 33. Kc3 a5 34. Kd3 $11 Kg6 35. Nb5 Kf6 (35... Ba6 36. Bxd5 Bxb5+ 37. axb5 {
and the opposite colour Bs leave a drawn position}) (35... Bc6 36. Nc7 gxf4 37.
gxf4 Bd6 38. Nxd5 Bc5 (38... Bxd5 39. Bxd5 f5 $11) 39. Ne7+ Bxe7 40. Bxc6 f5 {
One pawn is insufficient in these positions}) 36. Nc7 Ke7 (36... Bd6 $2 37.
Ne8+ Ke7 38. Nxd6 Kxd6 39. fxg5 hxg5 40. Kd4 {and Wh will win because of a
passed h pawn}) (36... Bc6 37. Bxd5 Bd7 $11 {Stockfish12 reckons the 2 Bs can
still hold this- especially because Wh's extra pawn is a centre one (when the
K comes to blockade it, it is not out of play , compared to having to stop an
h pawn)}) 37. Bxd5 Bxd5 $2 {This loses. In this kind of position the N is far
suerior to a single B, which can only function on it's own colour. It cannot
protect Pawns from the N , except by putting them on the same colour, & thus
worsening it's own mobility; as well as granting free access to the opposite
colour squares to the N & it's K. In the end a series of N checks drive the Bl
K away; thus allowing the Wh K to penetrate the defences.} (37... Kd6 38. Bxb7
Kxc7 {holds the draw}) 38. Nxd5+ Kd6 39. Nc3 f5 40. fxg5 (40. h4 {preferred by
Stockfish12, with an eye to winning Bl's h pawn- getting an outside passed
pawn looks simpler}) (40. Ne2 {Komodo14 Endgame}) 40... hxg5 41. h4 gxh4 42.
gxh4 Ke7 (42... Ke5 {is a little bit better}) 43. e4 f4 (43... fxe4+ 44. Nxe4
Bb4 45. Kc4 {wins easily for Wh}) 44. Nd5+ Kf7 45. Nxf4 Kf6 46. h5 (46. Kc4)
46... Bf8 47. Nd5+ (47. e5+) (47. Kc4 {Wh has lots of ways forward}) 47... Kg5
48. Nxb6 Kxh5 49. Kc4 Bb4 50. Kd5 (50. Kb5 Kg4 51. Nc4 {in a blitz game
getting rid of the last opponents pawn can be crucial if behind on time}) 50...
Kg6 51. Ke6 Kg7 52. Nd5 Bf8 53. e5 Ba3 54. Kd7 Kf7 55. e6+ Kf8 56. e7+ (56. b4
Bxb4 57. Nxb4 axb4 58. e7+ {Komodo14 End ,-gets a Q quicker}) 56... Bxe7 57.
Nxe7 Kf7 58. Nc6 1-0
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.9"]
[White "Osinga, Awne"]
[Black "Paffard, Mark"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1343"]
[BlackElo "1608"]
[Annotator "kemen"]
[PlyCount "100"]
[EventDate "2021.??.??"]
{[%evp 0,100,14,37,40,40,40,40,44,28,51,27,49,49,32,24,10,10,55,15,21,-9,-10,
-10,-5,-21,-29,-35,-15,-67,-45,-88,-68,-92,-62,-67,-61,-101,-88,-149,-72,-93,
-83,-108,-71,-66,-24,-52,-52,-45,-56,-57,-58,-77,-84,-90,-55,-102,-69,-69,-46,
-65,-34,-63,-51,-46,-60,-57,-49,-58,-58,-38,-29,-25,-29,-33,-33,-22,7,-40,-29,
-33,-10,-30,-33,-25,-16,-23,0,0,0,-44,-30,-31,0,-138,0,-111,-98,-29997,-29998,
-29999,-30000]} 1. e4 c5 2. Nf3 e6 3. Be2 (3. c4 Nc6 4. Nc3 a6 5. d3 Qc7 6. Ne2
Bd6 7. g3 Ne5 8. Bg2 Nxf3+ 9. Bxf3 Nf6 10. O-O O-O 11. Bd2 {Osinga-Paffard,
Dyfed Online League, 2020,0-1}) 3... Nc6 4. d3 (4. O-O Qc7 5. c3 Nf6 6. d3 Be7
7. Nbd2 d5 8. exd5 exd5 9. Re1 O-O 10. Nf1 {Osinga-Paffard, Dyfed Major , 2020,
1/2-1/2}) 4... d6 (4... d5 {main}) 5. a3 $146 (5. O-O {main, eg} Nf6 6. Nbd2
Be7 7. Re1 O-O 8. Nf1 Qc7 9. Ng3 Re8 10. Bf1 {Morcom-Pleasants, Guernsey op
2019,1/2-1/2}) 5... g6 6. Nc3 Bg7 {transposing back to a couple of previous
games} 7. Rb1 (7. Bg5 Nge7 8. O-O (8. Qd2 h6 9. Be3 a6 10. b3 Qa5 11. d4 cxd4
12. Bxd4 Nxd4 13. Nxd4 Qc5 $19 {Lugilde Guerbek-Lorenzo Dieuiz, Mondariz op
2012,0-1}) 8... h6 9. Bd2 O-O 10. Qc1 Kh7 11. Nd1 e5 {Van Trigt-Trella,
Hengelo U14, 2001,0-1}) (7. Be3 Nge7 8. Rb1 O-O 9. O-O Nd4 (9... f5 10. Qd2 Nd4
11. Bxd4 cxd4 12. Na2 e5 13. c4 Bd7 $17 {Bosschieter-Op't Hoog, Geerardsbergen
op, 2011,1-0}) 10. Qd2 Nec6 11. Nd1 {Fey-Meul, Longerich op, Koln 2004,0-1})
7... Nge7 (7... a5 8. Be3 Nd4 9. Na2 Ne7 10. Nxd4 cxd4 11. Bg5 h6 12. Bh4 Qc7
13. g4 b5 14. Bf3 Rb8 15. b4 a4 {Gomes-Osorio Hatem, BRA CEAX op 2003,0-1}) 8.
Bf4 a6 9. Qc1 O-O 10. Bh6 d5 11. Bxg7 Kxg7 12. exd5 exd5 13. O-O Nf5 $11 14.
Bd1 Re8 15. Ne2 Qd6 16. Ng3 (16. Qf4 $5) 16... Nxg3 17. hxg3 Bf5 $15 {Bl is
now better developped & co-ordinated than Wh} 18. Nh4 Bd7 19. c4 d4 20. Bc2 $2
{an awfully bad B. The immediate Bf3 (desirable to exploit the wh squares Bl
has left open), loses a piece to ...g5. But Wh can reorganize , with Nf3-d2 &
then Bf3} (20. b4 {also makes sense, to make use of the Rb1.} cxb4 21. axb4 b5
(21... Nxb4 22. c5 Nxd3 23. cxd6 Nxc1 24. Rxc1 Bb5 25. d7 Red8 26. Re1 d3 27.
Nf3 Rxd7 $11 {both sides have chances, rather than level in this case}) 22. c5
$11) 20... Ne5 $19 21. b4 b6 $17 (21... b5 22. bxc5 Qxc5 23. cxb5 axb5 $19 {
the Wh pieces are all on awkward squares}) 22. Qd2 Ng4 23. bxc5 bxc5 24. Rfe1
Rab8 25. Rxe8 Rxe8 26. Re1 Rxe1+ 27. Qxe1 Qe6 $6 {Bl can simplify too much.
With little material left & a very blocked pawn structure, Wh should be able
to set up a barricade - as long as he avoids swapping his N for the bl B ( for
which see the ending in Gunn-Orton, same round)} (27... Qb6 28. Qa1 Qa5 $19 {
Stockfish12}) 28. Qd2 (28. Qxe6 Bxe6 $11) 28... Qf6 (28... Qb6 $19) 29. Bd1 Qe5
30. Nf3 $6 {this & the next involves a strategic error- Wh should be more than
happy to swap off his B , restricted as it is by those centre pawns, & to keep
his more flexible N .} Qf6 31. Nh2 (31. Qa5 $11 {make Bl defend pawns}) 31...
Nxh2 32. Kxh2 {it is still in the realms of equality but Bl has a more active
Q & a superior B} Qe5 33. Kg1 h6 34. a4 (34. Bf3) 34... Qe8 35. a5 g5 36. Bf3
Bc6 37. Bxc6 Qxc6 38. Qe1 $11 Qe6 39. Qd2 (39. Qxe6 {is a comfortable draw.
Neither K can gain entry on the Q side. And Wh can totally block the K side as
well.} fxe6 40. g4 h5 (40... e5 41. Kf1 {Bl now needs to sacrifice the e pawn
before it gets lost to a K getting to e4.} (41. f3 {closes off everything, if
Wh wants to settle for a draw}) 41... e4 42. dxe4 Kf7 43. Ke2 Kf6 44. g3 Ke5
45. Kd3 {Zugzwang} Kf6 46. f4 Ke7 {the protected passed pawn will not save Bl
from the two connected runnners which can be advanced with mating threats} 47.
e5 Ke6 48. Ke4 Ke7 49. f5 Kf7 50. f6 Ke6 51. Kd3 Kf7 52. Kd2 Kg6 {
triangulation to gain the opposition at a crucial point} 53. Ke2 Kf7 54. Kd3
Ke6 55. Ke4 {Zugzwang} Kf7 56. Kf5 d3 57. e6+ Kf8 58. Kg6 d2 59. e7+ Ke8 60.
Kg7 d1=Q 61. f7+ Kxe7 62. f8=Q+ Kd7 63. Qf5+ Kd8 64. Kxh6 {and Wh wins the Q
ending -Stockfish12 nudged}) 41. gxh5 g4 42. Kh2 e5 (42... Kh6 43. Kg3 $2 Kxh5
44. Kf4 $18) 43. f3 (43. Kg3 $2 e4 $19 {even 'simple' K & P endings may well
require careful calculation. Moral- don't use up all your time in the opening.}
) 43... gxf3 44. g4 e4 45. Kg3 e3 46. Kxf3 Kh6 {and this line is a draw, as
the Bl pawn is further advanced, giving Wh no time to mobilize his connected
pawns.}) 39... Qe5 40. Qd1 (40. g4 $11) 40... Qf5 41. Qd2 (41. Qe2 {looks more
active, and then swap Qs on another Qe6}) 41... Kf6 42. Qd1 g4 43. Qd2 Qg5 44.
Qd1 (44. Qxg5+ {why not?} Kxg5 45. f3 h5 46. f4+ ({however} 46. Kh2 f6 $19)
46... Kf5 47. Kf2 h4 48. gxh4 Kxf4 49. g3+ Kf5 50. Ke2 Kg6 51. Kf2 f5 52. Ke2
Kh5 53. Kf2 f4 54. gxf4 Kxh4 55. Kg2 g3 56. f5 Kg5 57. Kxg3 Kxf5 58. Kf3 Ke5 (
58... Kg5 59. Ke4 $18) 59. Kg4 Ke6 60. Kf4 Kf6 61. Ke4 Ke6 $11) 44... h5 45. f3
{creating a little weakening of the pawn cover} (45. Qe2 Qc1+ 46. Kh2 Qa3 47.
Qe4 Qxa5 {wins the a pawn, but, with this 6 moves away from queening Wh has
plenty of time to force a perpetual}) (45. Qe1 Qe5 46. Qxe5+ (46. Qd2 {both
give Bl nothing})) 45... Qe3+ 46. Kh2 Kg5 47. f4+ (47. fxg4 {deprives Bl of a
crucial h4 lever} hxg4 48. Qb1 Qe6 49. Qb6 $11 {holds}) 47... Kf5 48. Qb1 $2 {
this leaves the Wh K at the mercy of the assembled Bl army} (48. Qa4 {
threatens a perpetual - the last chance to hold according to Stockfish12})
48... h4 $19 49. Qb6 $2 (49. gxh4 Qxf4+ 50. Kg1 Qe3+ 51. Kh1 Kg6 52. Qf1 (52.
Qb6+ f6 (52... Kh5 53. Qxc5+ Kxh4 54. g3+ Kxg3 55. Qc7+ Kf3 56. Qb7+ Ke2 57.
Qb2+ Kxd3 {and the Wh K is fatally exposed}))) 49... hxg3+ 50. Kh1 Qe1# 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.19"]
[Round "3.10"]
[White "Hammett, Scott"]
[Black "Miller, John S"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1590"]
[BlackElo "1549"]
[Annotator "kemen"]
[PlyCount "161"]
[EventDate "2021.??.??"]
{[%evp 0,161,16,5,56,-5,37,35,28,1,-2,-36,-11,-15,-15,-10,-8,-16,7,-6,16,6,14,
-1,6,-1,7,-44,12,0,0,-149,-152,-141,-155,-178,-93,-93,-93,-106,-122,-122,-129,
-136,-97,-110,-63,-62,-63,-97,-64,-31,64,-100,-59,-120,-108,-123,-97,-147,-143,
-147,-123,-241,-101,-134,-130,-130,-158,-157,-129,-141,-144,-199,-178,-175,
-145,-143,0,0,0,0,60,44,71,84,111,101,83,88,78,61,62,60,128,158,158,0,17,0,0,
57,44,48,50,82,64,64,64,34,106,192,216,100,61,59,178,178,178,170,158,158,158,
158,199,155,158,158,158,136,141,157,183,199,122,110,105,162,110,90,84,90,63,76,
36,0,0,0,0,11,161,149,293,161,161,161,187,208,227,223,319,336,2300,2462]} 1. d4
{Normally for Scott this has been a prelude to a delayed DutchStonewall, here
he avoids all opponent pregame analysis.} Nf6 2. Bg5 {this is Tony Haigh
territory, where John has suffered 3 defeats} g6 {in turn avoiding preparation}
(2... Ne4 3. Bf4 c5 (3... d6 {Wagner-Miller, WCPL 2013,0-1}) 4. f3 Qa5+ 5. c3
Nf6 6. Nd2 cxd4 7. Nb3 Qb6 8. Qxd4 Qxd4 9. cxd4 d6 10. e4 {Haigh-Miller, Dyfed
League 2014,1-0; 2016 1-0}) (2... d5 3. Nf3 e6 4. c4 {Queens G, Haigh-Miller,
Dyfed League 2018,1-0}) 3. e3 (3. Bxf6) (3. Nc3 {main lines}) 3... Bg7 4. Bxf6
(4. Bd3) (4. Nd2) (4. Nf3 {main lines}) 4... Bxf6 5. f4 {and it's a Dutch
Stonewall after all, with Wh having got rid of the problem QB in advance. ( It
certainly saves time on its customary jouney of Bd2,e1, h4 & then Bxf6.)} d5 (
5... b6 6. Nf3 d6 7. Bd3 Nd7 8. c3 O-O 9. O-O Bb7 10. Nbd2 Bg7 11. Ne4 Nf6 12.
Nfd2 {Tobar-De Borba, Pan-American ch U10, Pocos de Caldas 2013,0-1}) 6. Nf3
Bg4 7. Be2 O-O 8. O-O c6 (8... Bxf3 9. Bxf3 c5 10. c3 e6 $15 {Stockfish12- but
Wh's position looks fine}) 9. Nbd2 Bg7 10. Ne5 Bc8 (10... Bxe2 {looks simpler-
Bl's QB is one constrained by the majority of pawns on its own colour; whereas
the wh one from d3 can join in a K hunt. However Stockfish12 finds nothing
wrong with the text move.}) 11. Qe1 f6 12. Nef3 (12. Nd3 $5) 12... Nd7 13. Bd3
(13. e4 $11 {Stockfish12= the text leaves the Wh pieces a little awkwardly
plced}) 13... e5 14. fxe5 fxe5 15. Be2 (15. e4 exd4 16. exd5 Nc5 17. dxc6 Nxd3
18. cxd3 bxc6 19. Ne4 $11 {Stockfish12}) 15... e4 $19 16. Nh4 Bh6 17. Qg3 (17.
Bd1 Rxf1+ 18. Nxf1 Nf6 19. g3 g5 20. Ng2 Bh3 $19 {Stockfish12}) 17... Bxe3+ (
17... Qg5 {Stockfish12} 18. Rxf8+ Nxf8 19. Nf1 Qxg3 (19... Qf6 20. Rd1 Bg5 $19)
20. hxg3 g5 $19 {Stockfish12}) 18. Qxe3 Qxh4 $17 19. Rxf8+ Nxf8 20. Rf1 Bd7 (
20... Ne6) 21. c4 Qe7 22. Nb3 b5 $6 {creates holes in Bl's structure. Just
developing pieces before pawn commitment is usuall to be preferred} (22... Ne6
$19) (22... Re8 $19) (22... Be6 $19) 23. cxb5 cxb5 24. Nc5 (24. Qg3 $11 {
Stockfish12}) 24... a6 (24... Ne6) 25. Qg3 (25. Bd1 Bc6 26. Bb3 $11 {Bl have
been left with a bad B, which he could have exchanged earlier}) 25... Qg7 (
25... Be8 26. Bg4 a5 27. h4 $11 {Stockfish12}) 26. Qe3 (26. Qd6 $1 {Stockfish12
} Qxd4+ 27. Kh1 Bf5 28. Rd1 Qxb2 29. Qxd5+ Kg7 30. Qxa8 Qxe2 31. Qd5 $18) 26...
Ne6 $17 27. Nxd7 (27. Nxe6 {at least leaves Bl with an inferior B}) 27... Qxd7
28. Bg4 Qe7 29. Bxe6+ Qxe6 $17 30. Rc1 Rc8 (30... Rf8 $19) (30... Ra7 $19) 31.
Qg5 (31. Rxc8+ Qxc8 32. Qg5 Qf5 33. Qe7 $17 {Bl remains with good winning
chances, But the Wh Q can be a great nuisance}) 31... Rc4 (31... Rxc1+ 32. Qxc1
e3 $19 {a Q can shepherd a pawn through against its opposite number- unlike a
R. And Wh must not bring hiis K in too close or he will get mated.}) 32. Qd8+
Kg7 33. Rxc4 bxc4 34. Qc7+ Qf7 35. Qe5+ Kh6 36. h4 Qf5 {Wh has held up the
pawn advance, but Bl is still winning} 37. Qg3 g5 (37... Qf6 38. Qe3+ Kh5 39.
g3 Kg4 {and the Bl K joins in}) 38. hxg5+ Qxg5 39. Qh3+ {Stockfish12 considers
this draw, as the Bl K has been stripped of pawn cover to avoid the perpetual}
Kg6 40. Qe6+ Qf6 (40... Kg7 41. Qd7+ Kh6 42. Qh3+ $11) 41. Qxd5 Qf5 (41... Qf4
$11) 42. Qxc4 (42. Qg8+ Kh6 43. Qxc4 $11) 42... e3 43. Qxa6+ Kg5 44. Qe2 Qb1+
45. Kh2 Qe4 46. d5 Kf5 (46... Qd4 47. Kg1 Qd2 48. Kf1 Qc1+ 49. Qe1 Qc4+ 50. Kg1
Qd4 51. Qg3+ Kf5 52. Qf3+ Ke5 53. Qe2 Kxd5 54. Kf1 {and the game remains drawn}
) 47. Qh5+ $18 Kf6 48. Qh6+ (48. d6 $1 $18 {Stockfish12-because he can Q with
a check} e2 49. d7 Qf4+ 50. g3 Qf2+ 51. Kh3 Qd4 52. Qxh7 (52. d8=Q+ Qxd8 53.
Qh4+ Kg6 54. Qxd8 e1=Q 55. Qd3+ {and Wh's Q side pawns will win (his K also
has a bit more cover than Bl's)}) 52... e1=Q 53. Qh8+ Kf5 54. Qf8+ (54. Qxd4 $2
Qh1#) 54... Kg6 55. Qe8+ Kg7 56. Qxe1 Qxd7+ 57. Kh2 {and Wh is 3 pawns up, and
should be able to avoid perpetuals}) 48... Kf7 $2 (48... Ke7 $11 {coming to
stop the dangerous pawn. These kind of positions, though are natural Engine
territory. Humans have far more trouble weighing up all the possibilities on a
wide open board with few markers.}) 49. Qh5+ (49. Qe6+ {though , should be
easy to calculate (allowing for time shortage of course at this stage of the
game)} Qxe6 50. dxe6+ Kxe6 51. Kg1 Ke5 52. Kf1 Ke4 53. Ke2 {and Wh's Q side
decides}) 49... Ke7 $11 50. Qe2 Qh4+ (50... h5 $5) 51. Kg1 Qd4 52. a4 Kd6 53.
a5 Kxd5 54. a6 Qa7 {decentralising the Q, so it is less able to challenge any
Wh K excursions} (54... Kc6 55. b4 Kb6 $11 {Stockfish12}) 55. Qd3+ (55. g3 $18
{Stockfish12- threatening to get to b7 with the Q}) 55... Ke5 56. Qb5+ Kd4 57.
Qb4+ (57. g3 {again, gives the Wh K a bit more space, rather than being stuck
in a corner. The position remains very tricky.}) 57... Ke5 (57... Kd3 $11 58.
Qb5+ Kd2 59. Qb4+ Kd1 60. Qb3+ Kd2 $11 {Stockfish12}) 58. Qc3+ Kf5 59. Qd3+ (
59. Kh2 $18) 59... Kg4 60. Qe4+ Kg5 61. Qd5+ (61. Kh2 $18) 61... Kg6 62. Qd3+ (
62. Qd6+ Kg5 63. Kh2 $18 {Stockfish12-Wh needs to get out of the threat of a
discovered check ( this also begins to use his own K as a weapon)}) 62... Kg5
63. Qd5+ Kg4 64. Qf3+ (64. Qe4+ {followed by K h2}) 64... Kg5 65. Qe2 h5 (65...
Qd4 $11 {Bl needs to recentralise to prevent Wh K marches}) 66. b4 (66. Qb5+
Kg4 67. Qc4+ Kg3 (67... Kg5 68. Kf1 Qb6 69. g3 $18) 68. Qe2 Kf4 69. Qf3+ Ke5
70. Qxh5+ Ke4 71. Qe2 $18 {Stockfish12- looks forced, not easy to see}) 66...
Qd4 $11 67. b5 Qa1+ (67... h4 {follows through the plan, & perhaps h3 will
open up the Wh K}) 68. Kh2 Qe5+ 69. Kg1 Qa1+ 70. Qf1 Qd4 71. Qe2 Qa1+ 72. Kh2
Qe5+ 73. g3 h4 74. Kh1 hxg3 75. Kg2 Kh4 (75... Qd5+ 76. Kxg3 Qe5+ {opens up
the K to a perpetual- confirmed by Lomonosov endgame tablebases}) 76. Qc4+ (76.
a7 Qe4+ 77. Kg1 Qb1+ 78. Qf1 Qa2 79. Qf4+ Kh3 $11 {Stockfish12}) 76... Kg5 77.
Qg8+ Kf5 78. Qxg3 Qb2+ (78... Qxb5 {draws, all other moves lose}) 79. Kf3 {
the K escapes forwards, retreat & it remains a draw.} Qd4 80. Qh3+ Kf6 {
shortens the game, but the Lomonosov tablebases can find no salvation for Bl
now. 7 piece Syzygy tables can also be accessed via lichess in their analysis
section.} (80... Kg5 81. Qg2+ Kf5 82. Qc2+ Kg5 (82... Ke5 83. Ke2 Kf4 84. Qc1)
83. Qc7 Qd5+ 84. Kxe3 Qxb5 85. a7 {mate in 29}) (80... Kg6 81. Qe6+ Kg7 82.
Qxe3 {mate in 25}) 81. Qh8+ 1-0