[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.12"]
[Round "2.1"]
[White "Francis, Matthew"]
[WhiteElo "1648"]
[Black "Williams, A Howard"]
[BlackElo "2340"]
[Result "0-1"]
[ECO "A10"]
[Opening "English, Great Snake"]
1. c4 g6 (1...
Nf6 2. Nc3 e5 3. g3 (3. Nf3 Nc6 4. g3 Nd4 {Heap-Williams, Dyfed League 2014,
0-1}) 3... Bb4 {A Robinson-Williams,Dyfed League 2015,0-1}) 2. Nc3 (2. g3 Bg7
3. Bg2 d6 4. e4 Nc6 5. d3 f5 6. Nc3 Nf6 {Francis-R Van Kemenade, Dyfed Closed
2014,0-1}) 2... Bg7 3. g3 Nf6 4. Bg2 O-O 5. d3 d6 (5... c6 6. e4 e5 7. Nge2 d6
8. O-O Be6 9. b3 d5 {Bevan-Williams, Dyfed Open 2014,1/2-1/2}) 6. e4 c5 {
most frequent} (6... e5) 7. Nge2 Nc6 8. O-O Ne8 (8... a6 9. h3 Rb8 {
alternative plan}) 9. a3 (9. Be3 Nd4 10. Rb1) 9... Rb8 10. Rb1 Nc7 11. Be3 {
2 draws, 4 Bl wins} (11. b4 {main}) 11... Nd4 (11... Ne6 12. b4 {transposes to
30 games, 58 % for Wh}) 12. b4 b6 13. Nd5 $146 (13. h3 {2 wins each, 1 draw})
13... Nxe2+ 14. Qxe2 Ne6 15. Qd2 Nd4 $11 16. Kh1 (16. h4 $5) 16... e6 17. Nc3
Bd7 18. b5 {aiming to get in an a pawn advance ? but then Wh shifts attention
to the K side} Qe7 19. Bh6 (19. a4) 19... f5 20. Bxg7 Qxg7 21. exf5 gxf5 (21...
Nxf5 $5 $11 {Stockfish12}) 22. Rbe1 $14 Rbe8 23. Ne2 e5 (23... Nxe2 24. Rxe2 f4
25. Be4 Kh8 $14 {Stockfish12}) 24. Nxd4 cxd4 25. Rd1 (25. f4 $16 {the pawn
mass needs to be restained} Kh8 26. a4 Bc8 27. a5 $16 {Stockfish12}) 25... f4
$11 26. Rg1 $6 {Wh is now becomin too passive} (26. Bd5+ Kh8 (26... Be6 27. Bc6
Bd7 28. gxf4 Bxc6+ 29. bxc6 Qc7 30. fxe5 Qxc6+ 31. f3 dxe5 32. Rde1 $11) 27. f3
fxg3 28. Rg1 Qf6 29. Rxg3) 26... Kh8 (26... f3 $19 {Stockfish12} 27. Bf1 Rf6
28. Re1 Bf5 $19 {Wh's pieces have no way of getting out of the K side logjam,
and Bl slowly prepares a breakthrough} 29. h3 Kh8 30. g4 Rg8 31. Rg3 Bc8 32. a4
Rg6 33. Ra1 Qe7 34. Qd1 h5 35. a5 Bb7 $19 {Stockfish12}) 27. gxf4 Rxf4 28. Be4
(28. Bd5) 28... Qf6 (28... Bg4) 29. f3 Bf5 30. Rde1 (30. Bd5 $11 {Stockfish12})
30... Rf8 (30... Bxe4 31. fxe4 Rf2 32. Qg5 Qxg5 33. Rxg5 Rd2 34. Rg3 Rg8 35.
Reg1 Rxg3 36. Rxg3 h5 37. h4 $11 {Stockfish12}) 31. Re2 Bg6 32. Bd5 (32. Bxg6
hxg6 33. Re4 Qg7 34. Qg2 $11 {Stockfish12}) (32. Reg2 $11 {Stockfish12, looks
a simpler method of holding on.}) 32... Rxf3 $1 $19 {the exchange sacrifice
liberates the central pawn mass} 33. Bxf3 Qxf3+ 34. Reg2 Bxd3 35. Qg5 Bg6 36.
Qe7 Qf6 37. Qxf6+ Rxf6 38. Re1 d3 39. Rd2 e4 (39... Rf4) 40. Re3 Rf1+ 41. Kg2
Rc1 42. Kg3 Rxc4 {Rs are good attackers} 43. Re1 {but bad defenders} Kg7 44.
Kf4 Kf6 45. Rb1 d5 46. Rb4 Rxb4 47. axb4 d4 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.12"]
[Round "2.2"]
[White "Hewitt, William"]
[WhiteElo "2093"]
[Black "Brewer, Ben"]
[BlackElo "1679"]
[Result "1-0"]
[ECO "C47"]
[Opening "Four Knights"]
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Be7
{I haven't had this position before according to my games database [ the main notes are by Bill. This is a line in 5th place of popularity in the databases, & not discussed in the various theory books. It is perhaps closest to 5 Nd5 Belgrade Gambit, when Be7 is a rocksolid line to play.Bl is aiming for a slightly passive though solid position ala Steinitz.Bb5 now could transpose to a variant of a Steinitz Ruy Lopez- Rudy].}
(5...Nxd4 {W Hewitt - D Pinch, Dyfed Closed, Rd4, 24/11/2019 [ 1-0 -R].})
(5...Bb4 {Is the main line.})
6.Be3
(6.Nxc6 {Main.} 6...dxc6 7.Qxd8+ Bxd8
{[62% for Wh, Similar to a Ruy Exchange, except that Wh retains the Bs-R].})
6...O-O 7.Be2
{Scores over 50% for white I found later, but no GM games. This may be ok with black knight on d7, e.g. in a Philidor, but with the Nc6 black is getting ... d5 in very easily.}
(7.Bc4 {Might allow ... Nxe4 at some point and an early liquidation, which I wanted to avoid.})
7...d5 8.exd5
{[both the text & variariation considered equal by Stockfish12; indicates that7 Be2 does not yield much-R].}
(8.Nxc6 bxc6 9.e5 Nd7 10.f4 {I considered, it's certainly better than what I played.})
8...Nb4 $1
{[ there are similar lines to this in Sicilan Dragons, where Wh plays Be2 rather than the Yugoslav Attack with f3 & Bc4-R].}
9.O-O {Black has played actively & has equalised very easily.}
(9.d6 Bxd6 10.Bf3 c6 11.a3 Nbd5 12.Nxd5 Nxd5 13.Bxd5 Qa5+ 14.c3 Qxd5 $15
{Pazos-Piazzini, ARG ch, Buenos Aires 1946,0-1 -R].})
9...Nbxd5 10.Nxd5 Nxd5 11.Bc1 Bf6
(11...c5 {[Stockfish12- R].})
12.Bf3 {So black is a tempo ahead in a symmetrical position.} 12...c6 13.a3
{Just trying to avoid symmetry.}
(13.c3 $11 {(Stockfish12-R].})
13...Nb6 14.c3
{Giving black a choice, he can saddle me with an isolated queen pawn, but give me the two bishops. I didn't think it was anything special, but it would unbalance the position. Then again, retreating the knight didn't seem very appealing.}
(14.Nb3 Qxd1 15.Rxd1)
14...Nc4
(14...Bxd4 15.cxd4 Be6 $15
{Bl plays Bd5 offering a B swap which Wh can hardly accept as the QB would struggle against the N on d5. So the B retreats to e2, where it still gets swapped off.}
16.Bf4 Bd5 17.Be2 Bc4 18.Bxc4 Nxc4 19.Re1 Nb6 20.Qd3 Nd5 21.Bd2 Qd7 $15
{Stockfish12- but Bl's play will be much easier-R].})
15.a4 Qb6
(15...Bxd4 16.Qxd4 Qxd4 17.cxd4 Be6 $11
{Stockfish12- a repeat of the above. Without Qs there is less chance of Bl mounting an attack on the K but the end game has become much nearer, & with R swaps inevitable Bl's K can come to the d5 square-R].})
16.Be2 c5 17.Nb3 Be6
{black has nice position now, more active minor pieces, his rooks are connected, has an active queen. Compare that to the unco-ordinated white pieces.}
18.a5 Qc7 19.Qc2 Rad8 20.Ra4 b5
(20...Ne5 $15 {[Stockfish12-R].})
21.axb6 Nxb6 22.Ra5
{White has at last managed to generate some activity and has a better pawn structure, but black is still fine.}
22...Rd5 {Threatening ...Bf5 to embarrass the queen.} 23.Bf3
(23.Re1 Bf5 $19)
23...Bf5 24.Qe2 Re5
(24...Bd3 {Is what I was expecting.} 25.Qd1)
25.Qa6 c4
{This let's me off a little bit I think. Black secures the d3 square but the white knight was loose on b3, didn't have anywhere to comfortably sit and gets a much safer square on d4.}
(25...Be6 26.Nd2 Qd8 27.Ra1
(27.Qxa7 Nc4 $19)
27...Bf5 28.Qxa7 Bd3 29.Rd1 Bc2 30.Rf1 Re6 $15
(30...Bd3 {Forces repetition -R.}))
26.Nd4 Rxa5 27.Qxa5
{[Stockfish12 considers Wh to have a definite plus now- Bl has saved the a pawn, but given Wh great piece activity-R].}
27...Bd3
(27...Bd7 {[Stockfish12-R].})
28.Re1 {[Stockfish considers that Wh is winning now; it has seen Qc5 coming up-R].} 28...Bxd4
29.cxd4 Rd8 30.Bd2
{Finally developing the bishop & defending the queen, avoiding immediate ... Nd5 tricks.}
(30.Qc5 $1
{Fritz16 - I was trying to keep queens on to generate some attacking chances & we were getting low on time.}
30...Qxc5 31.dxc5 $18)
30...h6 31.g3 Rxd4 32.Bc3 {At least with the d-pawn gone, white has a diagonal for his bishop.}
(32.Re8+ Kh7 33.Bc3 {Was a more exact order of moves [Stockfish12 agrees-R].})
32...Rd7
(32...Rd8 {[protects the back rank and leaves only equality-Stockfish12-R].})
33.Re8+ Kh7 34.Re5 $2
(34.Be5 $18 {We were down to a couple of minutes each now.})
34...Qd6 35.Kg2 f6 36.Re8 Bg6 37.Re1 Qd3 38.Qb5
{I played this thinking it stopped ... Nd5, then saw it didn't!.}
38...Nd5 $1 {A nice trick.}
(38...Rd5
{[also draws according to Stockfish12- Wh can scarcely allow Bl a run of the wh squares around his K-R].})
39.Ba5
(39.Rd1 {I initially thought this won for me but then saw what Ben had in mind.} 39...Ne3+ $1
40.fxe3 Qc2+ 41.Kh3 Rxd1 42.Bxd1 Qxd1 $19
{The white king will perish under the opposite bishop & queen attack. I was down to under a minute now, Ben had just under 2 minutes.})
(39.Qxd7 Nf4+ 40.gxf4 Qxd7 $19)
39...Ne7
(39...Bf5 $17 {Stockfish12.} 40.Be2
(40.h4 Bh3+ 41.Kxh3 Qxf3 42.Qxc4 Qxf2 43.Rf1 Qg2+ 44.Kxg2 Ne3+ 45.Kg1 Nxc4 $17)
40...Qe4+ 41.Kg1 c3 42.Bxc3
(42.bxc3 Re7 43.c4 Ne3 $19)
42...Nxc3 43.bxc3 Rb7 44.Qc5 Rb2 45.h4 a5 46.Bf1
(46.Qxa5 Bh3 $19)
46...Qxe1 47.Qxf5+ Kg8 48.Qc8+ Kf7 49.Qd7+ Kf8 50.Qd8+ Qe8 51.Qxa5 Rd2 $17
{[Wh probably has enough to hold the ending, but must keep constant watch on his K. Not an easy position to have in time trouble, showing once again not to spend too much time on the opening during the game itself. Be prepared!-R].})
40.Rd1 Qxf3+
(40...Qxd1 41.Bxd1 Rxd1 42.Qa4 Rd3 43.Qxc4
{[Stockfish12- Wh is still winning, but R, N & Opp colour B might still creat some problems for Wh-R].})
41.Kxf3 Rxd1 42.Qxc4 Nf5 43.Bc3 Rd3+
{A nice move to play, but not nice to face with little time left. The white king is looking precarious.}
(43...Nd6 {[Stockfish12-R].} 44.Qa6 Ne4 45.Qa5 Ng5+ 46.Ke2 Rd7)
44.Kg2
(44.Qxd3 {Is Fritz 1st choice.} 44...Nh4+ 45.Ke2 Bxd3+ 46.Kxd3 Nf3 47.h4
{How many humans would choose that with 45 seconds on the clock and they have queen for rook & minor piece!?.})
44...Nd6 45.Qf4 Be4+ 46.Kf1 g6 $2 {Time trouble, less than 10 seconds on the clock.}
(46...Bf3 47.Be1 {Was what I expected.} 47...h5
{[and Stockfish12 thinks equality. A tough game, strutching the resources of both players-R].})
47.Qxf6 Rf3 48.Qg7# 1-0
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.12"]
[Round "2.3"]
[White "Jones, Martin C"]
[WhiteElo "1725"]
[Black "Van Kemenade, Rudy"]
[BlackElo "1999"]
[Result "1-0"]
[ECO "B07"]
[Opening "Pirc, 150 Attack"]
1. d4
d6 2. e4 Nf6 3. Nc3 g6 {B07 Pirc Defense} (3... c6 4. Nf3 Qc7 5. Bf4 Nh5 6. Be3
Nd7 7. h3 Nhf6 8. Bd3 e5 9. Qe2 Be7 10. g4 Nf8 11. O-O-O Ne6 {Jones-J Van
Kemenade, Dyfed League 2016,0-1}) (3... Nbd7 4. Nf3 e5 5. Be3 c6 6. Qd2 Be7 7.
Be2 h6 8. h3 Qc7 9. O-O Nf8 10. dxe5 dxe5 11. a3 g5 {Jones-R Van Kemenade,
Dyfed League 2016,1-0}) 4. Be3 (4. Nf3 Bg7 5. Bg5 O-O 6. Qd2 Bg4 7. Be2 Nc6 8.
h3 Bxf3 9. Bxf3 e5 10. dxe5 dxe5 11. O-O-O {Jones-A H Williams, Dyfed League
2017,0-1}) 4... c6 5. f3 b5 6. Qd2 b4 (6... Nbd7 {main} 7. g4 (7. O-O-O) (7.
Nh3 Nb6 8. Nf2 a5 9. Rd1 Ba6 10. Nb1 Nc4 11. Bxc4 bxc4 12. c3 Rb8 13. Na3 d5
14. O-O e6 15. e5 Nd7 {G Shaw-R Van Kemenade, Merseyside-Yorkshire 1981,1/2-1/2
})) (6... Bg7) 7. Nce2 (7. Nd1 {also}) 7... a5 8. g4 {main} h5 9. g5 Nfd7 10.
h4 Nb6 (10... c5 11. f4 Bb7 12. Bg2 Bg7 13. O-O-O O-O 14. dxc5 dxc5 15. Bxc5 {
Meftahi-Graa, Monastir Subsidiere op 2014,1-0}) 11. Ng3 Ba6 (11... Qc7 12. Qf2
N8d7 13. f4 c5 14. f5 Bg7 15. Nh3 cxd4 16. Bxd4 Bxd4 17. Qxd4 Ne5 $15 {
Schneider-Javakhishvili, BundesLiga frauen 2017,0-1}) 12. Bd3 (12. Bxa6 $11 {
Stockfish12} Nxa6 13. Qf2 Bg7 14. N1e2 Nc4 15. Bc1 c5 16. Rb1 cxd4 $19 {
Dirican-Ceylan, TUR ch tm 2018,0-1}) 12... Bg7 $17 {Stockfish12} (12... c5 $15
{Stockfish12}) (12... Nc4 13. Bxc4 Bxc4 14. a3 {leaves a vulnerable a5 pawn}
bxa3 15. b3 Ba6 16. Rxa3 Bg7 17. Rxa5 c5 18. dxc5 Qc8 19. N1e2 Nc6 20. Ra4 O-O
21. Kf2 Rd8 22. Qc1 dxc5 23. Bxc5 Ne5 $14 {Stockfish12- the Bl pieces have
lots of play- whether it is enough for two pawns though?}) (12... d5 13. N1e2
dxe4 (13... e6 $11 14. b3 Nc4 15. bxc4 dxc4 16. f4 cxd3 17. cxd3 Bg7 18. f5 c5
$11 {Stockfish12}) (13... Bg7 14. e5 e6 15. b3 Bxd3 16. Qxd3 (16. cxd3 $5)
16... N8d7 17. Nf4 Qe7 18. O-O c5 $11 19. Nfxh5 {is not so good now} gxh5 20.
f4 cxd4 21. Bxd4 Nc8 22. Qe2 Nb8 23. Nxh5 Nc6 24. Bf2 Kf8 $17 {Stockfish12})
14. fxe4 Bg7 15. e5 O-O 16. Nxh5 gxh5 17. Nf4 Nd5 18. Nxh5 Qc8 19. O-O-O $16 {
Stockfish12}) 13. N1e2 Qc8 {deterring 0-0} (13... c5 14. c3 O-O $17 {
Stockfish12}) (13... O-O $17 {Stockfish12}) 14. Rd1 (14. f4 c5 15. c3 Bxd3 16.
Qxd3 Qa6 17. Rd1 Qxd3 18. Rxd3 N8d7 $11 {Stockfish12}) 14... d5 $15 {Blocks
any Wh action down the d file. ,With Wh having 0-0-0 instead of Rd1, the Bl Q
still on d8 and the Ns on g1 & Nbd7 & B still on f8; Bl to move played e6 now
in Tolnai-Chernin, AUT ch tm, , 0-1 1994. Marin 2017:244 claims a slight
advantage for Bl in this position as Wh has no K real K side chances while Bl
has plenty on the Q side} 15. Nf4 (15. Kf2 $5) 15... N8d7 (15... dxe4 {is an
initial Engine recommendation, which just leads to messy position. Instead Bl
was considering ...e6 as an alternative} 16. Bxe4 (16. fxe4 c5 17. dxc5 Na4 18.
Bxa6 Rxa6 19. Nd5 Be5 20. Bf4 Nd7 21. O-O $11 {Stockfish1`12}) 16... Nc4 17.
Qc1 Nd6 18. Nxg6 Nxe4 19. Nxe7 Kxe7 20. Nxe4 Re8 21. Kf2 $11 {Stockfish12}) (
15... e6 16. O-O Nc4 17. Bxc4 Bxc4 18. Rfe1 Nd7 $11) 16. b3 {keeping Bl out of
c4, but leaves a hole on c3, that Bl tries to exploit.But it contains a flaw.
A recommendation when looking a tactical sequence is to try and look one move
further on from the concluding point, to check out any subsequent possibility
for the other side. The position now reached is highly complex} (16. e5 {
is more dynamic, as Bl needs to be careful} Nc4 (16... e6 {allows a dangerous
sacrifice} 17. Nxe6 fxe6 18. Bxg6+ Kd8 19. b3 $18 {Wh will push pawns on the K
side}) (16... Bxd3 17. Qxd3 Nf8 (17... e6 18. Nxg6 fxg6 19. Qxg6+ Kf8 20. Nxh5
{is evemn more dangerous for Bl})) (16... Nf8 17. b3 e6 18. Rc1 Bxd3 19. Nxd3
Nfd7 20. O-O $14 {Stockfish12}) 17. Bxc4 dxc4 18. e6 Nb6 19. exf7+ Kxf7 20. c3
Nd5 21. O-O Rf8 $11 {Stockfish12}) 16... e5 (16... c5 {considered By Bl} 17.
Bxa6 (17. exd5 Bxd3 18. Qxd3 c4 19. Qe4 O-O 20. O-O Qc7 $11 {In Stockfish12
eyesbut Bl has still to regain the pawn}) 17... Rxa6 18. exd5 c4 19. O-O Qa8
20. d6 exd6 21. d5 O-O $11 {Stockfish12}) (16... dxe4 17. Bxe4 (17. fxe4 c5 $17
) 17... Nd5 18. Nxg6 (18. Nxd5 cxd5 19. Bxd5 Ra7 $11) 18... fxg6 19. Bxg6+ Kd8
20. Bxh5 N7b6 21. Bg4 Qc7 22. Kf2 Nxe3 23. Qxe3 Nd5 $11 {Stockfish12; again,
not all clear- the = here is not that it's level, but that both sides have
chances.}) (16... Bxd3 17. cxd3 (17. Qxd3 e5 18. dxe5 Bxe5 19. exd5 Nxd5 20.
O-O Nxe3 21. Qxe3 O-O $11) 17... e6 18. O-O Qb7 19. Rde1 $14 {Stockfish12}) 17.
dxe5 Nxe5 (17... Bxe5 {which Wh was expecting, leads to equality} 18. Bxa6 Qxa6
19. Kf2 O-O 20. exd5 Bxf4 21. Bxf4 Nxd5 $11 {Stockfish12}) (17... Bxd3 18. Nxd3
Nxe5 19. Nxe5 Bxe5 20. Qf2 Nd7 21. f4 Bc3+ 22. Kf1 O-O 23. Kg2 $11 {Stockfish12
}) 18. Qf2 (18. Bxa6 Qxa6 19. Qe2 O-O 20. Qxa6 Rxa6 21. Kf2 Rc8 22. Rhe1 $16 {
Stockfish12}) 18... d4 $2 {a combination that has a hole in it.} (18... Nxd3+
19. cxd3 Bc3+ 20. Kf1 Nd7 21. Kg2 O-O 22. d4 $16) (18... Bxd3 19. Bxb6 (19.
cxd3 d4 20. Bxd4 Nxf3+ 21. Qxf3 Bxd4 22. Nge2 Bg7 23. d4 O-O 24. O-O $14 c5 (
24... a4) 25. Rc1 c4 26. bxc4 Nxc4 27. Rf2 Nd2 28. Qd3 Qg4+ 29. Rg2 Bxd4+ 30.
Nxd4 Qxf4 31. Rxd2 Rac8 32. Rf1 Qxh4 33. Nf3 Qg4+ 34. Rg2 Qf4 $14 {Stockfish12}
) 19... Bb5 20. Bc5 Qb7 21. Qe3 O-O-O 22. Kf2 Rhe8 $11 {Stockfish12}) 19. Bxd4
Nxf3+ (19... Bxd3 20. Bxb6 Bb5 21. Bc5 $18) 20. Qxf3 Bxd4 21. Bxa6 $18 Bc3+ (
21... Qg4 22. Qxg4 Bc3+ 23. Kf2 hxg4 24. Bb7 Rd8 25. Bxc6+ Ke7 26. Nd5+ {
is not much better for Bl}) 22. Qxc3 {the reply Bl had missed when playing 16..
.e5} bxc3 (22... O-O 23. Bxc8 bxc3 24. Bb7 {is worse}) 23. Bxc8 Rxc8 24. Ke2 {
and Wh is a piece up. In what follows Bl tries to eliminate as many pawns as
possible, but in vain} O-O (24... Ke7 $5) 25. Rhe1 (25. Rd6) 25... c5 26. Rd6
Rb8 27. Red1 (27. Nxg6 {returning the piece for extra pawns, is Stockfish 's
second recommenadation} fxg6 28. Rxg6+ Kf7 29. Rd6 Kg8 30. Nxh5 {and the Wh
pieces dominate the board, as well as 3 extra pawns}) 27... c4 (27... a4 $5)
28. Nd5 Nc8 (28... Nxd5 29. R1xd5 a4 30. bxc4 Rb2 31. Kd3 Rxa2 32. Rd8 $18) 29.
Nf6+ Kg7 30. Rc6 (30. Ngxh5+) 30... cxb3 31. axb3 Rb4 32. Nd5 Rb5 33. Nxc3 Re5
34. Rd5 Ne7 35. Rxe5 Nxc6 36. Rd5 Nb4 37. Rd2 Rc8 38. Nd5 Nxc2 39. Kd1 (39. Nf1
) 39... Na1 40. Rb2 Rb8 41. b4 a4 (41... axb4 42. Rb1 {loses a N}) 42. Ra2 Nb3
43. Rxa4 Nd4 {perhaps Wh will drop an h pawn?} 44. Ra3 Nb5 45. Rf3 Nd4 46. Rf2
Re8 (46... Ra8 $5) 47. Kd2 Rc8 48. Kd3 Ne6 49. b5 Nc5+ 50. Kd4 Nb3+ 51. Ke5
Re8+ 52. Kd6 Re6+ 53. Kc7 Nc5 54. b6 Na6+ 55. Kb7 Nc5+ 56. Ka7 Rd6 57. Rc2 Rd7+
58. Kb8 Rd8+ 59. Kc7 Rd7+ 60. Kc8 {There is no perpetual. Normal Black resigns.
} 1-0
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.14"]
[Round "2.4"]
[White "Brewer, Joshua"]
[WhiteElo "1481"]
[Black "Lovegrove, Robert"]
[BlackElo "1500"]
[Result "0-1"]
[ECO "A51"]
[Opening "Budapest, Budapest Declined"]
1.d4 Nf6 2.c4 e5 3.e3
(3.dxe5 Ng4 4.Nf3
(4.e4 d6 5.Nf3 Be7 6.h3 Nxe5 7.Nxe5 dxe5 8.Qxd8+ Bxd8 9.Be2 Nc6 10.O-O Nd4 11.Bd1 Be6
{Brewer-J Jones, Dyfed Online League 2020, 0-1.})
4...Bc5 5.e3 Nc6 6.Nc3 O-O 7.Be2 Re8 8.Ne4 Bf8 9.Qc2 Ncxe5 10.O-O Nxf3+ 11.Bxf3 Qh4 12.h3 Ne5
{Brewer-R Van Kemenade-Dyfed Closed 2018,0-1.})
3...e4
(3...Bb4+ 4.Bd2 Bxd2+ 5.Qxd2 exd4 6.exd4 O-O 7.Nf3 d5 8.cxd5 Nxd5
{Brewer-Shepherd, Dyfed Major 2020,1-0.})
4.Nc3 c6 5.Nge2 d5 6.cxd5 cxd5 7.Nf4
{It has become a French Advance variation reversed, so Wh has an extra move and should be ok.}
7...Bb4
(7...Nc6 8.Qb3 Bb4
{Main, Bl will have to swap the KB in this line rather than keep it to attack the K side.})
8.Bb5+
(8.Qa4+ Nc6 9.Bb5 Bxc3+ 10.bxc3 Bd7 11.Ba3 a6 12.Be2 b5 13.Qc2 Rc8 14.Bc5 g5 15.Nh3 Bxh3 16.gxh3
16...Nd7 {Stephan-Fink, Regionnalliga Bayern, 1998,0-1.})
(8.Qb3 Bxc3+ 9.Qxc3 O-O {Mohd-Azahari, Kuala Lumpur op 1992,0-1`.})
8...Bd7 9.Qa4 Bxc3+ 10.bxc3 O-O 11.Bxd7
(11.Ba3 Re8 12.c4 $11)
(11.c4 $11)
11...Nbxd7 $17 {Wh has got behind in development and has a bad B.} 12.Qb5 Nb6 $19 13.O-O Qc7
(13...Qd6)
14.Bd2
(14.a4 $5 {Trying for some activity.})
14...Rfd8 15.Ne2 Rac8 16.f3 a6 17.Qb3 Nc4 18.Bc1 Qc6
(18...exf3 19.Rxf3
(19.gxf3 Re8)
19...Ne4)
19.Ng3 Na5 {Going for a pawn- but Bl does better in holding Wh to passivity with.}
(19...Re8 $19)
20.Qb4 Qxc3 21.Qxc3 Rxc3 22.Bd2 Ra3 23.Bb4 $11
{Wh's position has been freed by eliminating the weak pawn, so has enough compensation.}
23...Ra4 24.Be7 Re8
(24...Rc8 {Occupies the open file.} 25.Bxf6 gxf6 26.fxe4 dxe4 27.Nxe4 Rc2 $11 {Stockfish12.})
25.Bxf6 gxf6 26.fxe4
(26.Nh5 $1 $18 {Takes advantage of the weakened K side & the last R move.} 26...Re6 27.fxe4 dxe4
28.d5 Rd6 29.Nxf6+ Kf8 30.Rac1 Nc4
(30...Rc4 31.Rcd1 $18)
31.Nxe4 Rg6
(31...Rxd5 32.Nc3)
32.Nc5 Rxa2 33.Ne6+ Ke7 34.Nf4 $18 {Stockfish12.})
26...Nc4
(26...dxe4 27.Rf4 $16)
27.exd5
(27.Nh5 $1 $18 Nxe3 28.Nxf6+ Kf8 29.Rf2 Rd8 30.Re1 Ra3 31.e5 Rc8 32.h4 $18
{All the Bl pawns are very vulnerable, as well as the K.})
27...Nxe3 28.Rxf6 Nxd5 $11
(28...Rxd4 $11)
29.Rd6 Rxd4 $11
(29...Ne3 $11)
30.Rb1
{All the other variations should give Wh enough activity to compensate for the pawn, but this way is inexact- the R can't really leave the backrank unguarded.}
(30.Rd7 $11)
(30.Nf5 $11)
(30.Rf1 $11)
30...Rd2
(30...Re5 $15)
31.h3 $11 Nc3 32.Rxd2 Nxb1 33.Rb2 Nc3 34.Rxb7 Nxa2 35.Ra7
(35.Nf5 Ra8 36.Nh6+ Kg7 37.Nxf7 a5 38.Ne5+ $11)
35...Re6 36.Nf5
(36.Nh5)
36...h6 37.Kh2 $11 {The active R should be enough to hold the game.} 37...Nb4 38.g4 Nd3 39.Kg3 Ne5
40.Nd4
(40.Kf4)
(40.Kh4)
40...Rg6 41.Nf5 Kh7 42.Kf4 Re6 43.g5
(43.h4)
43...h5 44.Ne7 $2 {But this gives a N away (and the game).}
(44.h4 $11)
(44.Nd4 $11)
44...Rxe7 45.Rxe7
(45.Rxa6 $5 {But Bl will win both remaining Wh pawns.})
45...Ng6+ 46.Ke4 Nxe7 47.Kd4 Kg6 48.h4 Nf5+ 49.Kc5 Nxh4 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.14"]
[Round "2.5"]
[White "Greenwood, Ray"]
[WhiteElo "1286"]
[Black "Evans, Gwyn"]
[BlackElo "1192"]
[Result "0-1"]
[ECO "B20 B27 B50 B54"]
[Opening "Sicilian"]
1.e4 c5 2.Nf3 d6 3.Bc4 {Has been found in recent elite GM games as well.}
(3.c3 Nf6 4.Be2 Nc6 5.O-O g6 6.d3 Bg7 7.a3 a5 8.d4 {Greenwood-Evans,Dyfed League 2017,0-1.})
3...e6
(3...Nc6 4.Nc3 e6 5.d4 Nge7 6.Bg5 h6 7.Bf4 Ng6
(7...cxd4)
8.Be3 Na5 9.Bb5+ Bd7 10.dxc5 dxc5 11.Bxd7+ Qxd7 12.Qxd7+ Kxd7 13.O-O
{Greenwood vs Narayan-Taylor, Dyfed League 2017,0-1.})
(3...g6 4.c3 Bg7 5.Qb3 e6 6.O-O Ne7 7.d4 b6 8.Bg5 O-O 9.Nbd2 Nbc6
{Greenwood-Osinga,Dyfed Online League, 2020,0-1.})
(3...Nf6 {Main.})
4.O-O Nf6 5.d3 a6 6.Bg5
(6.Bb3)
(6.a4 {Main lines.})
6...Be7 7.h3
(7.Nc3 {Transposes to 53 games.})
7...b5
(7...O-O 8.Re1 b5 9.Bb3 a5 10.c3 Nc6 11.Bc2 e5 12.Nbd2
{A Ruy Lopez position; Mahmood-Bungo,Asia ch tm 1979,1/2-1/ 2.})
8.Bb3 Bb7 9.a3 Nbd7 10.Nbd2 O-O 11.Re1
(11.c4 h6 12.Bh4 bxc4 13.Nxc4 d5 14.exd5 exd5 15.Ne3 d4 16.Nc4 Nd5 17.Bxe7 Nxe7 18.Re1 Nf6
{Gil Quilez-Gago Padreny, ESP ch U19, Formigal 2002,1/2-1/2.})
11...Kh8 $11
(11...Re8 $11 {Stockfish12.})
12.Nf1 Ng8 13.Qd2 Bxg5 14.Nxg5 Qe7 15.Ng3
(15.f4 $5)
15...h6 16.Nf3 Ngf6 17.c4
(17.c3)
17...bxc4 18.Bxc4 Nb6 19.Ba2 Qc7
(19...a5 $11 {Stockfish12.})
20.Rac1 $14 Rac8 21.b4
(21.d4 $14 {Alternative.})
21...Nfd7 22.Nh5 $16
{It has been a complex game of manouevres up to now. Since Bl has stationed a lot of forces on the q side, Wh looks to an opening on the K side.}
(22.d4 Qd8
(22...c4 23.a4 $18)
23.Nh5 $16 {Is another variant-Stockfish12.})
22...Qb8
(22...Qd8 {Looks a little safer , so as to come to the aid of the K if required.})
23.Qc3
(23.d4 $16 {Stockfish12 opens up the centre,.})
23...Rg8 24.e5 $2 {But this is too hasty, creating more damage to Wh's position than to Bl's.}
(24.Qd2 $14 {Avoid the c file opening onto the Q.})
(24.Qb2 $14)
24...cxb4
(24...Bxf3 {Immediately preferred by Stockfish12.} 25.gxf3 Nxe5 $19 26.Rxe5 cxb4 27.Qxc8
(27.Qxb4 Rxc1+ 28.Re1 Nd5)
27...Nxc8 28.Re4 bxa3 $19 {Stockfish12.})
25.Qxb4 Rxc1 26.Rxc1 Bxf3 27.gxf3 Nxe5 $19 28.Qe4 Nbd7
(28...d5 {Also.})
29.f4 Nc5 $6 {Allows Wh a chance to get back into the game.}
(29...Qb2 30.Re1 Nc5
(30...Qxa2 31.fxe5 Qxa3 $19)
31.Qe2 Qxe2 32.Rxe2 Nexd3 $19 {Stockfish12.})
(29...Nf6 30.Nxf6 gxf6+ 31.Kh1 Qb2 32.Rg1 d5 33.Rxg8+ Kxg8 34.Bxd5
(34.Qe3 Nxd3 35.Qxd3 Qxa2 $19)
34...exd5 35.Qxd5)
30.Qe2
(30.Rxc5 dxc5 31.Qxe5
(31.fxe5 Qb2 32.Bc4 Qxa3 33.Qf4 a5 34.Qxf7 Qa1+ 35.Kg2 Qxe5 $11)
31...Qxe5 32.fxe5 Rb8 33.Bc4 $11 {Stockfish12.})
30...Nexd3 $19 31.Rb1
(31.Rd1
{Stockfish12 enjoys what follows, humans might not; is well worth a try; requires some exact response from Bl.}
31...g6
(31...d5 32.Rxd3 Nxd3 33.Qxd3 Qb2 34.Bb1 g6 35.Ng3 Rb8 36.Bc2 Rc8 37.Bd1 Rc1 38.Kg2 Qc3
{And the R plus extra pawns are better than the 2 pieces.})
(31...Qb2 {May be the simplest, though not going ahead by as much as the other lines.}
32.Qxb2 Nxb2 33.Rxd6 g6 34.Ng3 Nbd3 35.Rc6 Rd8 36.Bc4 Rd4 37.Bxd3 Nxd3 38.f5 gxf5 39.Rxa6
(39.Nxf5
{Stockfish12 suggests this as a try-unfortunately Bl still gets left with enough pawns to win as the Wh f pawn is lost.}
39...exf5 40.Rxh6+ Kg7 41.Rxa6 Rf4)
39...Rf4
{And, although Wh is only one pawn down, the Bl central pawn mass will advance, While the Bl R behind the a pawn will prevent it from being any real danger.})
32.Nf6 Rc8
(32...Nxf4 33.Qe3 g5 34.Nxg8 Qb7 35.f3 Qb2 36.Qd2 Qxa3 37.Ne7 Qxf3 $19)
33.Rxd3 $2
(33.Nd7 Nxf4 34.Qf3 Nxd7 35.Qxf4 Kg7 $19)
33...Nxd3 34.Qxd3 Qb2 $19)
31...Qa7 32.Rd1
(32.Bc4 g6
(32...Ne4 33.Bxd3 Nc3 34.Qb2 Nxb1 35.Qxb1 Qc5 36.f5 exf5 37.Bxa6 Qxa3 38.Bf1 Qc5 $19
{But it still requires quite a bit of careful play to ensure that the Q & 2 pieces don't suddenly get the Bl K.})
33.Nf6 Nxf4 34.Qf3 e5 35.Nxg8 Kxg8 $19
{Stockfish12-Wh's K is vulnerable to the Q &2Ns especially with the shattered pawn structure granted by 24 e5?.})
32...Rb8
(32...Qb7 33.Rxd3 Nxd3 34.Qxd3 Qb5 35.Qxb5 axb5 {Stockfish12- the a pawn falls.})
33.Qg4
(33.Rxd3 Nxd3 34.Qxd3 Rb2 35.Qg3 Qd4 36.Bb3 g6 {Stockfish12- and the N is lost.})
33...g6
(33...f5 {Stockfish12.})
34.Nf6 Nxf2
(34...Nd7 35.Rxd3 Nxf6 36.Qe2 Qc5 {Stockfish12.})
35.Qh4 Kg7
(35...Nxh3+)
36.Rxd6 Rb2 $2 {Allows Wh another chance.}
(36...Nce4 $1 $19 {Attacks R & opens up towards the K.})
37.Ne8+ Kh7
(37...Kf8 $2 38.Qxh6+ Ke7
(38...Kxe8 39.Qh8+ Ke7 40.Qd8#)
39.Qh4+ Kf8 40.Qh8+ Ke7 41.Qf6+ Kf8 42.Qxb2 $18)
38.Qf6 {Wh has a forced mate; except that Bl can get in first.}
(38.Nf6+ $1 $11 {And Wh has gained a repetition.})
38...Nxh3+ 39.Kf1
(39.Kh1 Qa8+ 40.Bd5 Qxe8)
39...Rf2+ 40.Ke1 Nd3+ 41.Rxd3
(41.Kd1 Nb2+ 42.Qxb2 {Holds off mate for a few moves.} 42...Rxb2 43.Nf6+ Kg7 44.Nh5+ gxh5 45.Rd2
45...Qg1+ 46.Ke2 Qf2+ 47.Kd3 Rxd2+ 48.Kc3 Qd4+ 49.Kb3 Rb2#)
41...Rf1+ $1 42.Kxf1
(42.Kd2 Qf2+ 43.Kc3 Rc1+ 44.Kb3 Qb6+ 45.Ka4 Qb5#)
42...Qf2# 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.12"]
[Round "2.6"]
[White "Orton, Paul"]
[WhiteElo "1612"]
[Black "Pinch, David"]
[BlackElo "1798"]
[Result "0-1"]
[ECO "A41"]
[Opening "Rat, Classical"]
1.d4 d6 2.c4
(2.e4 e5 3.dxe5 dxe5 4.Qxd8+ Kxd8 5.Bc4 f6 6.Be3 c6
{Orton-Trevelyan, Dyfed Open, Gwbert on sea 2001,0-1.})
2...e5 3.Nf3 {Main.}
(3.dxe5 dxe5 4.Qxd8+ Kxd8 5.Nf3 f6 6.e4 Nc6 7.Be2 Bb4+ 8.Bd2 Be6
{Morgans-Pinch, WCU online U1800, 2020, 1/2-1/2.})
3...e4 4.Ng5 f5 5.Nc3 Be7 6.Nh3 Be6 $2
(6...Nf6)
(6...c6 {Main lines, as used by elite GMs.})
7.d5
(7.Nf4)
(7.e3)
7...Bf7 8.g3 Nd7
(8...Bf6 9.Bg2 Nd7 10.O-O
(10.Nb5 Nb6 11.Nd4 Qd7 12.b3 c5 13.dxc6 bxc6 14.Rb1 c5 15.Nb5 d5 16.Bf4 Rd8 17.Bc7
{Machlik-Amgalanbaatar, Gibraltar Challengers 2015,1-0 (88 moves).})
10...Bxc3 11.bxc3 Ngf6 12.f3 O-O {Kahlert-Ross, Nuremberg LGM cup 2012,1-0.})
9.Bg2 Ngf6 10.O-O O-O 11.f3 exf3 12.Rxf3
(12.exf3 $14 {Looks better on postional grounds.} 12...a5
(12...Nh5 13.Be3 Ne5 14.b3 g5 15.Bxg5 Bxg5 16.Nxg5 Qxg5 17.f4 Qf6 18.fxe5 dxe5 19.c5 $14
{Cubas Pons-Heppell, Brno op 2010,1-0.})
13.Qc2 Nc5 14.Be3 Nfd7 15.Rfe1 Bf6 16.Rad1 g5 17.f4 Bh5 18.Rd2
{Hoang Than Tran-Vadasz, Budapest FS04 GM, 1996,1-0.})
12...Ne5
(12...Ne4 13.Nxe4 fxe4 14.Rf1 Bf6 15.Bxe4 Nc5 16.Bf5 Qe7 $14
{Stockfish12- with plenty of play for the pawn.})
13.Rxf5 Nxc4 14.b3
(14.Qb3 Na5
(14...Ne5 15.Ng5 $16)
15.Qa4 c6 16.dxc6 Nxc6 17.Ng5 $16
{Stockfish12- Wh has more space, & the d6 pawn (obstructing Bl's pieces)is weaker than the e2.})
14...Ne5 15.Ng5 Nfd7
(15...c6 $11 {Stockfish12.})
16.Ne6 $6 {The resultant pawn on e6 is a weakness, rather than part of an attack.}
(16.Rxf7 Rxf7 17.Nxf7 Nxf7 18.Bf4 $16 {Stockfish12.})
16...Bxe6 17.Rxf8+ Nxf8 18.dxe6 c6 $17 19.Bh3 Qe8
(19...d5 20.Bb2 Bf6 21.e4 Nc4 22.bxc4 Qb6+ 23.Kh1 Qxb2 $19 {Stockfish12.})
20.e4
(20.Bf4)
20...Qg6
(20...Bf6 $19)
21.Bf5 Qf6 22.Qh5 $2
(22.Rb1 g6 23.Bh3 Re8 $19
{In addition to the pawn, Bl is getting a K side attackwith the Wh pices badly placed on the Q side.})
22...g6 23.Qh6 gxf5
(23...Nf3+ 24.Kg2 Qxc3 {Stockfish12- is even stronger.})
24.Qxf6 Bxf6 25.Kg2
(25.Rb1 Nf3+ 26.Kg2
(26.Kf2 Nxh2)
26...Ne1+ 27.Kf1 Bxc3 $19)
25...Nxe6
(25...Nd3 {Stockfish12-wins a bit more material.} 26.Bd2 fxe4 27.Rf1 Bxc3 28.Bxc3 Nxe6)
26.exf5 Nd3 27.Bd2 Ng7 28.Rf1 d5 29.Rf3 Ne5 30.Rf1 Re8 31.h3 h5
(31...Nd3)
32.Ne2 Nd3
(32...Nc4)
33.Nf4 Nxf4+ 34.Rxf4 Re2+ 35.Rf2 Rxf2+ 36.Kxf2 Nxf5 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.12"]
[Round "2.7"]
[White "Watkin-Jones, Adam"]
[WhiteElo "1918"]
[Black "Hammett, Scott"]
[BlackElo "1590"]
[Result "1-0"]
[ECO "A80"]
[Opening "Dutch, Raphael"]
[Mode "ICS"]
1.d4 f5 2.Nc3 Nf6 3.Bg5 e6 {A dangerous line as Bl lands up with a porous K side.}
(3...d5 {Main.} 4.e3 e6 5.Nh3
(5.Nf3 {Main.})
5...Be7 6.Nf4 {IC Jones-Hammett, Dyfed League 2017,1-0.})
4.e4
(4.Bxf6 Qxf6 5.e3 d5 6.Bd3 c6 7.Qf3 Bd6 8.Nh3 O-O 9.a3 Bd7
{Chadaway-Hammett, Dyfed Major 2020, 0-1.})
4...fxe4 5.Nxe4 Be7 6.Bxf6 Bxf6 7.Qh5+
(7.Nf3 {Main.} 7...O-O 8.Bd3 Nc6 9.c3 d5 10.Nxf6+ gxf6 11.Qe2 Bd7 12.O-O
{Hurn-Hammett, Dyfed Major 2020,1-0 ( 68 % for Wh from this position).})
7...g6 8.Qh6 Qe7 9.Nxf6+ Qxf6 10.O-O-O $16
(10.Nf3 {More frequent.})
10...Nc6 11.Nf3 Qf8
(11...Ne7 {Main lines.})
(11...d6)
12.Qd2 $18
(12.Qe3 {Cloud Engines.} 12...Ne7 13.Bc4 Nf5 14.Qe2 Qh6+ 15.Kb1 O-O 16.d5 d6 17.dxe6 Ne7
18.h4 $18 {Dauner-Mertens, Baden ch , Hockenheim 1994,1/2-1/2.})
12...Ne7 13.Bc4 c6 14.Rde1
(14.h4 {Also.})
14...d5 15.Bd3 Bd7 16.Ne5 {Wh controls the centre & Bl has a horribly bad B.} 16...O-O-O 17.Re3 Nf5
18.Bxf5
(18.Rf3 {Is also very effective.})
18...exf5 {Other captures are equally bad.} 19.Qa5 Kb8 20.Ra3 a6 21.Qb6 Kc8
(21...Ka8 22.Rb3 Rb8
(22...Bc8 23.Nxc6)
23.Nxd7)
22.Rb3 1-0
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.12"]
[Round "2.8"]
[White "Miller, John S"]
[WhiteElo "1549"]
[Black "Williams, R Gareth"]
[BlackElo "1643"]
[Result "0-1"]
[ECO "A40 A41 A45"]
[Opening "London"]
[Mode "ICS"]
1.d4 d5 2.Bf4
(2.c4 Nf6 3.Nc3 e6 4.g3 {Pinch-Williams, Dyfed Online League 2020,1-0.})
2...Nf6 3.e3
(3.Nf3 {Miller- 5 Wh wins, 2 draws, 1 Bl win.})
3...c5
(3...Nc6 4.Nf3 Bg4 5.Nbd2 e6 6.c3 Bd6 7.Bg5 h6 8.Bh4 O-O 9.Be2 a6 10.h3 Bxf3 11.Nxf3 Be7 12.O-O
12...Nd7 {Miller-Perry, Dyfed League Online 2020,0-1.})
4.c3 Qb6
(4...Nc6 {Main.})
5.Qb3 c4 6.Qc2 Nc6
(6...Bf5 $2 {Is one of those terrible mistakes.} 7.Qxf5 Qxb2 8.Qc8#)
7.Be2
(7.Nd2 {Main.})
7...g6
(7...Bf5 {Can now be played at once.} 8.Qc1 e6)
8.Nd2 Bf5 9.Qc1 Bg7 10.f3 {Controls e4, but leaves a bit of a problem on Wh's K side.}
(10.Ngf3 {Transposes to 39 games, including GM encounters.})
10...O-O
(10...h5 11.Nh3 e5 12.Bg3 exd4 13.exd4 O-O 14.O-O Bh6 15.Bf4 Nxd4 16.cxd4 Qxd4+ 17.Kh1 Bxf4
18.Nxf4 Qxf4 $19 {Juhnke-Dickel, Eschborn op, 2017,0-1.})
11.g3
(11.g4 {Gives the K N a square, but Wh remains in trouble with lack of development.} 11...Bd3
12.Bxd3 cxd3 13.Nh3 e5 14.dxe5 Nxe5 15.Kf2 Rfe8 16.Re1 Nc4 $19 {Stockfish12.})
(11.e4
{Looks like Wh's best try, given by Houdini6 in Sept 2020 & Stockfish12, even though Bl retains an advantage.}
11...dxe4 12.Nxc4 Qd8 13.fxe4 Bxe4 14.Nf3 Rc8 15.a4 Bxf3 16.gxf3
(16.Bxf3 Nxd4)
16...Nd5 $19)
11...Rfc8
{Not sure what this R is doing here ( defending c4? , the other R then?; though Stockfish12 still considers Bl to be winning.}
(11...e5 12.dxe5 Nh5 13.Nf1 Rfe8 $19 {Stockfish12- opening up the centre against the K.})
12.g4 Bd7
(12...Bd3 {At least brings the R looking at the Q.})
13.Nh3
(13.e4 $5)
13...h6
(13...Re8 $19 {Stockfish12.})
14.e4 dxe4 15.fxe4
(15.Nxc4 Qd8 16.Bxh6 Bxh6 17.Qxh6 Nxd4 18.cxd4 exf3 19.Bd3 Bb5 20.O-O-O Rxc4+
(20...Bxc4)
21.Bxc4 Bxc4 22.Kb1 Qd5 $19 {Stockfish12.})
15...Na5 {Guarding pawns, rather than taking them. Allows Wh to consolidate.}
(15...Nxd4 16.cxd4 Nxg4 $19 {Stockfish12.})
(15...Bxg4 $19 {Stockfish12.})
16.e5
(16.Nf2 $18 {Stockfish12- a lot of Bl pieces are clogged up on the Q side.})
16...Nd5
(16...Nxg4 $17 {Still looks good.})
17.Bg3
(17.Ne4 $16)
(17.Bf3 $14)
17...h5
(17...f6 $11)
(17...Ne3 $11)
18.Nf2 hxg4 19.Bxg4
(19.O-O $14)
19...Bxg4 20.Nxg4 Qe6 $11 {Back to the K side.} 21.Qd1
(21.Nf2 $11)
21...f5 22.Nf2 Ne3 23.Qf3
(23.Qc1 {Stockfish12-best, but then.} 23...f4 $19 24.Nf3
(24.Bxf4 Ng2+)
24...Qd5 25.Ke2 fxg3 26.Qxe3 gxf2 $19)
23...Nc2+ 24.Ke2 Nxa1
(24...Nc6 $1 {Is even stronger- destroying Wh's centre & exposing the K.} 25.Qf4 N6xd4+ 26.cxd4
26...c3 27.Rad1 cxd2 28.Rxd2 Qc4+ {Stockfish12.})
25.Rxa1 $11 g5 26.h3
(26.Rg1 $5 f4 27.Bxf4 gxf4 28.Nde4
{The Bl K now comes into the firing line, with 2 Rs and a N far away on the Q side.})
26...f4 $2
(26...Rf8 $17 {Return of the prodigal.})
27.Bh2 $18 Qg6
(27...Qf7 28.Rg1 Rc6 29.Rxg5 Rg6 30.Bxf4 Rf8 31.Qg3 Rxg5 32.Bxg5 Nc6 33.Nfe4 $18
{Stockfish12- Wh has 2 pawns for the exchange and very actine minor pieces.})
28.Nde4 Nc6 29.Rg1 Bh6 30.Bxf4 $18
(30.Ng4 $18)
(30.Nxg5 $18)
30...Rf8 31.Qg4
(31.Nxg5 $18)
31...Rxf4 32.Qxf4 Rf8 33.Qg4 $18 Kh7 34.Nxg5+
(34.h4 $18)
34...Bxg5 35.Qxg5 $2 {misses the only final chance that Bl has left.}
(35.Ne4 $18)
35...Qc2+ 36.Ke3
(36.Ke1 Qxf2+ 37.Kd1 Qf3+ 38.Kc1
(38.Kc2 Qd3+ 39.Kc1 Rf1+ 40.Rxf1 Qxf1+ 41.Kd2 Qd3+ 42.Kc1 Qxh3 $19)
38...Qf4+ {Ends Wh's mating chances.})
36...Qxf2+ 37.Ke4 Qf3# 0-1
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.12"]
[Round "2.9"]
[White "Paffard, Mark"]
[WhiteElo "1608"]
[Black "Gunn, Tom"]
[BlackElo "1398"]
[Result "1/2-1/2"]
[ECO "B23"]
[Opening "Sicilian, Closed, Korchnoi"]
[Mode "ICS"]
1.e4 c5 2.Nc3 e6 3.g3 d5
(3...a6 4.Bg2 Nc6 5.d3 Nf6 6.f4 d6 7.Nf3 Nd4 8.O-O
{Paffard-Dwain Jones, WCU Online U1800,2020,1-0.})
4.Bg2
(4.exd5 exd5 5.Bg2 {Main.})
4...dxe4
(4...d4 5.Nce2 Nc6 {Main.})
(4...Nf6 5.d3 d4 6.Nce2 Nc6 7.Nf3 Bd6 8.O-O O-O 9.c3 e5 $15
{Paffard-Rafferty,Dyfed Online League 2020,0-1.})
5.Nxe4 Be7 6.d3 Nf6 7.Be3 Nbd7
(7...Nxe4)
(7...Nd5)
8.Ne2
(8.Nxf6+ Bxf6 9.c3 O-O 10.Nf3 Rb8 11.O-O b5 {Hild-Guichard, FRA ch tm (women) 2011,0-1.})
8...O-O 9.O-O
(9.N2c3 Rb8 10.a4 Nxe4 11.dxe4 Ne5 12.Qe2 {Doelzlmueller-Nindl, SLBW 1994,1/2-1/2.})
9...Rb8 10.h3
(10.Qc1 Qc7 11.Nf4 e5 12.Nh3 Nxe4 13.Bxe4 Nf6 14.Bg2 Be6 15.Ng5 Bd5 16.Ne4 Nxe4 17.dxe4 Bc6
18.Qe1 Bb5 {Zavec-Riznar, SLO ch women 1992,0-1.})
10...b6
(10...b5 $15 {Stockfish12.})
11.c3 Bb7 12.Nxf6+ Nxf6 13.Bxb7 Rxb7 14.Qc2 Rd7 $17 15.Rad1 Qc7
(15...Nd5)
16.d4 Rfd8
(16...Nd5 17.Bc1 Rfd8 $17 {Stockfish12.})
17.dxc5 Bxc5 18.Bxc5 Qxc5 19.Rxd7 Rxd7 20.Rd1 Nd5
(20...Rxd1+ $11)
21.Qd3 Qc7 22.Qb5 Nf6
(22...Kf8 $11)
23.Rxd7 Qxd7 24.Qxd7 Nxd7 $11
{Wh does have a Q side majority, but probably not enough to guarantee a winas it's a c pawn.}
25.Nd4 Kf8
(25...Nc5)
26.b4 a5
{This , though ,is dangerous. It allows Wh to gain a potential passed a pawn. And Ns have the most difficulty holding R pawns.}
(26...a6)
27.a4
(27.Nc6 {Gives better chances, as Bl needs to find a N sacrifice.} 27...axb4 28.cxb4 Ke8 29.a4
29...Nf6 30.Kg2 Nd5 31.a5 Nxb4 $1 32.Nxb4 bxa5 33.Nc2 Ke7 $11 34.Kf1 f5 35.Ke2 Kf6 36.Kd3 e5
37.Ne3 a4 38.Nc4 h5 39.f4 exf4 40.gxf4 g5 41.Ke2 g4
(41...h4 42.Kf3 gxf4 43.Kxf4 Kg6 $11)
42.h4 Ke6 $11 {Stockfish12.})
27...axb4
(27...Ne5 $11 28.Kf1 Ke7 29.Ke2 Kd6 30.f4 Nc4 31.Kd3 Kd5 $11 {Stockfish12.})
28.cxb4 Ke8 29.Kf1 $16 Kd8 30.Ke2 Kc7
(30...Ne5)
31.f4
(31.Nf3
{May be worth a try to see if the outside passed pawn can be given up to let the Wh K & N into the K side; though it looks as if Bl can hold.}
31...b5
(31...h6 32.Kd3 Kc6 33.Kc4 e5 34.Nh4 g6 35.Ng2 f5 36.Ne3 Nf6 37.f4 e4 38.g4 fxg4 39.hxg4 b5+
40.axb5+ Kb6 41.Kd4 Kxb5 42.Ke5 Ne8 43.Kxe4 h5
(43...Kxb4 44.Ke5 $16)
44.g5 Kxb4 45.f5 gxf5+ 46.Nxf5 Kc5 $11
{- Nalimov endgame tablebases ( though Komodo14 still has a definite plus for Wh. In practice giving up the distant passed pawn gives Wh all sorts of winning chances with little risk of landing up with a loss.})
(31...Kd6 32.Ng5 h6 33.Nxf7+ Kd5 34.Kd3 $18)
32.a5 e5 33.Ng5 Nf6 34.Nxf7 Nd5 35.Nxe5 Nxb4 36.Kd2 Kb7 37.Kc3 Nd5+ 38.Kd4 Ne7 39.Kc5 Ka6 40.Kd6
40...Nc8+ 41.Ke6 Kxa5
{Very difficult to envisage or calculate correctly- Stockfish12 says level-Komodo14 Endgame gives a definite plus for Wh.}
42.h4 Kb4
(42...b4 43.Nc6+ Ka4 44.Nxb4 Kxb4 45.Kf7 Kc4 46.Kxg7 h5 47.Kg6 $18)
43.h5 Kc5 44.Kf7 g5 45.Kg8 $18 {Komodo14 Endgame.})
31...e5
(31...Nf6)
32.Nb5+ Kc6 33.Kd3 exf4 34.gxf4
{Though with the Wh K side pawns split it is now the Bl N that threatens to harvest there.}
34...Nf6 $11 35.Nd4+ Kd5 36.Nf5 g6
(36...Nh5)
37.Ne3+ Kc6 38.Kd4 h5 $2
(38...Nd7 39.Ng4 f6 40.h4 h5 41.Ne3 Nf8 42.f5 gxf5 43.b5+ Kd6 44.Nxf5+ Kd7 45.Ng7 Kd6 46.Nxh5
46...Ng6 47.Nxf6 Nxh4 $11)
(38...b5 39.a5 Kd6 40.a6 Kc6 41.f5 Ne8 $11
(41...Kb6 42.Ke5 $18))
39.Ke5
(39.Nc4 $18 {As the f pawn is lost.} 39...Nd7
{Keeps the K out for the moment but allows a winning N swap.}
(39...Kc7 40.Ne5 Kd6 41.Nxf7+ Ke6 42.Ng5+
(42.Ne5 Nd5 43.Nxg6
(43.a5 {Also.})
43...Nxb4 44.Kc4 Nd5 45.f5+ Kd6 46.Kd4 {Zugzwang-Komodo14 Endgame.}))
40.Ne5+ Kc7 41.Nxd7 Kxd7 42.Ke5 Ke7 43.a5)
39...Nd7+ 40.Kd4
(40.Ke4 Nf6+ 41.Kd4 Nd7 42.h4 Kd6 43.Nc4+ $18 {Komodo14 Endgame.})
40...Nf6
(40...b5 $11)
41.Ke5
(41.b5+ Kb7 42.Nc4 Ne8 43.Ke5 $18)
(41.Nc4 $18)
41...Nd7+ 42.Kd4 Nf6 {Twice repeated position, but Wh still can win with Nc4 or b5.} 1/2-1/2
[Event "Dyfed Online Closed"]
[Site "Lichess"]
[Date "2021.01.12"]
[Round "2.10"]
[White "Holman, Sam"]
[WhiteElo "1386"]
[Black "Osinga, Awne"]
[BlackElo "1343"]
[Result "1-0"]
[ECO "C62"]
[Opening "Ruy Lopez, Old Steinitz"]
[Mode "ICS"]
1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.h3 {Cautious , avoiding a B pin.}
(4.d4 {Main.})
(4.O-O {Next, Holman vs Tegwyn Jones,Greenwood, Belochkin, 3-0.})
(4.c3 {Next, J van Kemenade -Osinga 3-0, Leah -Osinga ,1-0; Corrigan-Osinga 0-1.})
4...Bd7 5.c3
(5.O-O)
5...Nf6 6.d3 h6 7.O-O Be7 8.Re1 O-O 9.Nbd2 {A standard slow Ruy Lopez structure.} 9...a6 10.Ba4 Qc8
{There is no real threat in a sacrifice on h3; 4 Wh wins, 1 draw.}
(10...Nh7)
(10...b5)
(10...Re8 {Main lines.})
11.Nf1 Nd8 $146
(11...b5 12.Bc2 {5 Wh wins, 1 draw.} 12...Nd8)
12.Bb3
(12.Bc2)
12...Be6 13.Bc2 $16
{The coming Wh K side attack has lots of potential, in which the lurking wh B plays a key role,along with threats of N invasion.}
13...c5 14.Ng3
(14.d4 $16)
14...Nc6 15.Be3
{An imprecision. This B is best left looking at h6 from a distance, It is not needed to enforce d4 , & the tempo loss allows Bl to strike in the centre first.}
(15.d4 $14)
15...Nh7
(15...d5 $11
{And the Bon e3 itself becomes a target for a pawn advance to d4 , or after exd5, Nxd5.})
16.d4 $16 {Back on course.} 16...exd4 17.cxd4 cxd4 18.Nxd4 Nxd4 19.Bxd4 Rd8
(19...Bf6 20.Nh5 Be5 21.f4 Bxd4+ 22.Qxd4 Qc5 23.Qxc5 dxc5 24.f5 Bc4 25.e5 $16 {Stockfish12.})
20.Rc1 $18
(20.Nh5 $18 {Forces weakening of the K side.})
20...Qd7 21.Qd3
(21.Nh5 {Stockfish12.} 21...g6 22.Nf4 Nf8 23.Qd2 Kh7 24.Bc3 Rac8 25.Qd4 $18
{The Bl pieces are just huddled together, while Wh brings more and more into the attack.})
21...Nf8
(21...Qb5 {Stockfish12.} 22.Qxb5
(22.Qd2 Bf6
(22...Bxa2 23.b3 {Traps the B.})
23.Ne2 Bxd4 24.Nxd4 Qxb2 25.e5 Kh8 26.Nxe6 fxe6 27.exd6 Qxa2 28.Red1 $14)
22...axb5 23.a3 $16)
22.Nf5
(22.Nh5 {Is also very powerful.} 22...g6
(22...f6 23.Qg3)
23.Nf6+ Bxf6 24.Bxf6 Rdc8 25.Qd2 Kh7 26.Bc3 Qe7 27.Qd4 f6 28.a4 Kg7 29.Rcd1 $18
{The Bl position has too many weaknesses to survive for long.})
(22.Bxg7
{Seems to work as well. but Wh has to be playing on trust in his judgement rather than a clearcut long analysis.}
22...Kxg7 23.Nh5+ Kg8 24.Qc3 $1 {Better than Qd4.} 24...f6 25.Qg3+ Kf7 26.e5 fxe5 27.Qg7+ Ke8
28.Bg6+ Nxg6 29.Qxg6+ Bf7 30.Ng7+ Kf8 31.Qxh6 Kg8 32.Rc3 Bf8 33.Rg3 Bg6 34.Rxg6 Bxg7 35.Re4 Qf7
36.Reg4 Rd7 37.Rxg7+ Qxg7 38.Rxg7+ Rxg7 39.Qxd6
{Stockfish12-and the Q with the advancing K side pawns will outweigh the Rs.})
22...Bxf5 23.exf5 f6 {The usual problem against 2 Bs- block one & the other comes in.}
(23...Bg5 {Though seems not much better.} 24.Qg3 Nh7 25.Bxg7 Kxg7 26.h4 f6 27.Bb3 Rac8 28.hxg5
28...hxg5 29.Rcd1 Rc5 30.Bd5 Nf8 31.Qe3 Rdc8 32.Qe7+ Qxe7 33.Rxe7+ Kh6
(33...Kh8 34.Rd3)
34.Rf7 Nh7 35.Rd3 g4 36.Rd4 Rg8 37.Rxb7 $18
{The Bl pieces remain in inferior postions to their Wh counterparts.})
24.Bb6
(24.Qe4 Re8
(24...d5 {Stockfish12 gives up a piece as best try for Bl.})
25.Qd5+ Kh8 26.Bb3 Nh7 27.Bb6 Rac8 28.Rxc8 Rxc8 29.Qf7 Re8 30.h4
{Stockfish12- Zugzwang, a position that returns in later developments.})
24...Rdc8 25.Qd5+
(25.Qe4 Re8 26.Qd5+ Kh8 27.Bb3 Nh7 28.Rc7 $18 {Stockfish12.})
25...Kh8 26.Bb3 Nh7 27.Rxc8+ Rxc8 28.Kh2
(28.Qf7 {Wins quickly.} 28...Re8 29.h4 d5 30.Qxd5 {And Zugzwang- Stockfish12.})
28...Rf8 29.Rc1
(29.h4)
29...Bd8 30.Bxd8
(30.Bc5 Bc7 31.Be3 Bb8 32.Bb6 Ng5 33.f4 Nf7 34.Qe6 Qb5 35.Rc8 $18 {Stockfish12.})
30...Rxd8 31.Qe6 Ng5 32.Qd5
(32.Qxd7 Rxd7 33.Rc8+ Kh7 34.Bg8+ Kh8 35.Bf7+ Kh7 36.Bg6#)
32...Qe7 33.h4 Nh7 34.Qe6 Qf8 35.Rc7 Re8 36.Qd5
(36.Qd7 {Also.})
36...b6 37.Qb7
(37.Rf7 Qg8 38.Qxd6 Ra8
(38...Rb8 39.Qc7)
39.Rb7 Qd8 40.Qg3 Qf8 41.Rxb6 $18 {Stockfish12-the Bl pieces are stationary.})
37...Rb8 38.Qxa6 d5 39.Qa7 d4 40.g3
(40.Rxg7 {Overloaded Q.} 40...Qxg7 41.Qxb8+ Nf8 42.Qxb6)
40...d3 41.Rf7 Qg8 42.Rxg7 Qxg7 43.Qxb8+ Nf8 44.Qxb6 Nd7 45.Qd4
(45.Qd8+ Kh7 46.Bg8+ Qxg8 47.Qxd7+ Qg7 48.Qxd3
{Stockfish12- Wh has too many pawns for Bl to survive.})
45...Ne5 46.Bd1
(46.Qd5)
46...h5 47.Bxh5
(47.b4 {Running the distant pawns.})
47...Qh6 48.Bd1
(48.Qd8+ Kg7 49.Qe7+ Kg8 50.Qe8+)
48...Qf8 49.f4 1-0