The finals of the TCEC computer championships are well underway and Stockfish leads Komodo by 9-2. Two of the draws were Latvian gambits, the computers had no problem making their tactics worth the material they sacrificed. Since the computer is not going to do a good job of analyzing the moves of a more advanced edition of itself, my notes just try to cover some of the “what if” moves.
Stockfish(3519)-Komodo(3475)
10/26/18
TCEC Superfinal
game 24
1.e4 e5
2.Nf3 f5
3.Bc4 fxe4
4.Nxe5 d5
5.Qh5+ g6
6.Nxg6 hxg6
7.Qxh8 Kf7
8.Qd4 Game 23 in the match, Komodo-Stockfish went
8.Qh7+ Bg7 9.Be2 Qg5 10.g4 Bxg4 11.h4 Qf4 12.Bxg4
12.h5 gxh5 13.Bxg4 hxg4 14.Qh5+ Kf8 15.Nc3 Nf6 16.Qh2 Qf3 17.Ne2 g3 18.fxg3 Ng4 19.Qh5 Qf2+ 20.Kd1 Qf3 21.Ke1 Qf2+ 22.Kd1 = Stockfish
12...Nf6 13.Be6+ Kxe6 14.Qxg7 Nc6
14...Qf3 15.Rg1 Nc6 16.Rxg6 Qh1+ 17.Rg1 Qf3 18.Rg6 = Stockfish
15.Nc3 Nd4 16.b3 Qf3 17.Rh2 Rg8 18.Qxc7 g5 19.hxg5
19.Kf1 gxh4 20.Qc5 Qg4 21.Qxd4 Qg1+ 22.Ke2 Qg4+ 23.Ke1 Qg1+ = Stockfish
19...Nxc2+ 20.Kf1 Qd3+ 21.Kg1 Rxg5+ 22.Rg2 Rxg2+ 23.Kxg2 Nxa1 24.Bb2 Nc2 25.Ne2 Ne1+ 26.Kf1 Nf3 27.Bxf6 Kxf6 28.Qd6+ Computers are very good at finding perpetual checks. 28...Kf5 29.Qd7+ Kf6 30.Qd8+ Ke6 31.Qc8+ Ke5 32.Qh8+ Kd6 33.Qf8+ Kc7 34.Qe7+ Kc6 35.Qe6+ Kb5 36.Qd7+ Kb4 37.Qe7+ Ka5 38.Qc5+ Qb5 39.Qa3+ Kb6 40.Qd6+ The game was declared a draw here.
8…Nf6
9.Be2 Nc6
10.Qe3 d4
11.Qg5 d3
12.cxd3 exd3
13.Bd1 The alternative puts the queen in danger.
13.Bf3 Nd4 14.O-O Nf5 15.Nc3 Bh6
13…Nd4
14.Nc3 Qe8+
15.Kf1 Nc2
16.Bxc2 dxc2
17.f3
17.d3 Bf5 18.Bf4 Qd7 19.Kg1 Qxd3 20.Qg3 Qc4 -1.21 Stockfish
17…Bf5
18.d4
18.Qe3 Qc6 19.d4 Re8 20.Qg5 Bg7 21.Kf2 Nh5 22.Ne2 Qe6 23.Qe3 Qc4 24.b3 Qa6 25.Qd2 Bd3 26.Re1 Bxe2 27.Bb2 -3.39 Stockfish
18…Qc6
19.Kf2 Rd8
20.Ne2 Re8
21.Re1 Qc4
22.g4
22.Be3 Nd5 23.Ng3 Bb4 24.Nxf5 Bxe1+ 25.Rxe1 Nxe3 26.Rxe3 Rxe3 27.Qxe3 gxf5 -0.15 Stockfish
22...Be7
22...Bd3 23.Nc3 Rxe1 24.Kxe1 Bb4 25.Bd2 Qxd4 26.Qe3 Qd6 27.Qf4 Qc5 28.Qe3 Qd6 = Stockfish
23.Qd2 Bxg4
24.Qc3 Be6
25.Bd2 Rh8
26.h4
26.Rh1 Qxc3 27.bxc3 a5 28.Ng3 b5 29.h4 Bc4 30.Bg5 Ba3 31.Bc1 Be7 32.Bg5 +0.07 Stockfish
26…Qxc3
27.bxc3 Rxh4
27...Nd5 28.Bg5 Ba3 29.Bc1 Be7 30.Bg5 = Stockfish
28.Rh1 Rxh1
29.Rxh1 Bxa2
29...a6 30.Nc1 Bc4 31.Nb3 b6 32.Na1 Bd3 33.Ke3 Bf5 34.Rc1 Ba3 35.Rxc2 c5 36.c4 cxd4+ 37.Kxd4 Ke6 38.Kc3 Nd7 39.Bf4 Bxc2 40.Nxc2 Bc5 = Stockfish
30.Ra1 Bc4
31.Rxa7 b5
32.Rxc7 Nd5
33.Ra7 Ke6
34.Ra6+ Kd7
35.Nc1 Bh4+
36.Kg2 Bf6
37.Kg3 b4
38.Ra7+ Kc6
39.cxb4 Bxd4
40.Ra8 Bb6
41.Rc8+ Kb5
42.Rb8 Kc6
43.Rc8+ Kb5
44.Rb8 Ne7 ½-½
[Event "game 24"]
[Site "Season 13 TCEC Superfinal"]
[Date "2018.10.26"]
[Round "?"]
[White "Stockfish"]
[Black "Komodo"]
[Result "1/2-1/2"]
[BlackElo "3475"]
[ECO "C40"]
[WhiteElo "3519"]
1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 d5 5.Qh5+ g6 6.Nxg6 hxg6 7.Qxh8 Kf7 8.Qd4
{ Game 23 in the match, Komodo-Stockfish went } ( 8.Qh7+ Bg7 9.Be2 Qg5 10.g4
Bxg4 11.h4 Qf4 12.Bxg4 ( 12.h5 gxh5 13.Bxg4 hxg4 14.Qh5+ Kf8 15.Nc3 Nf6
16.Qh2 Qf3 17.Ne2 g3 18.fxg3 Ng4 19.Qh5 Qf2+ 20.Kd1 Qf3 21.Ke1 Qf2+ 22.Kd1
{ = Stockfish } ) 12...Nf6 13.Be6+ Kxe6 14.Qxg7 Nc6 ( 14...Qf3 15.Rg1 Nc6
16.Rxg6 Qh1+ 17.Rg1 Qf3 18.Rg6 { = Stockfish } ) 15.Nc3 Nd4 16.b3 Qf3
17.Rh2 Rg8 18.Qxc7 g5 19.hxg5 ( 19.Kf1 gxh4 20.Qc5 Qg4 21.Qxd4 Qg1+ 22.Ke2
Qg4+ 23.Ke1 Qg1+ { = Stockfish } ) 19...Nxc2+ 20.Kf1 Qd3+ 21.Kg1 Rxg5+
22.Rg2 Rxg2+ 23.Kxg2 Nxa1 24.Bb2 Nc2 25.Ne2 Ne1+ 26.Kf1 Nf3 27.Bxf6 Kxf6
28.Qd6+ { Computers are very good at finding perpetual checks. } 28...Kf5
29.Qd7+ Kf6 30.Qd8+ Ke6 31.Qc8+ Ke5 32.Qh8+ Kd6 33.Qf8+ Kc7 34.Qe7+ Kc6
35.Qe6+ Kb5 36.Qd7+ Kb4 37.Qe7+ Ka5 38.Qc5+ Qb5 39.Qa3+ Kb6 40.Qd6+
{ The game was declared a draw here. } ) 8...Nf6 9.Be2 Nc6 10.Qe3 d4 11.Qg5
d3 12.cxd3 exd3 13.Bd1 { The alternative puts the queen in danger. } (
13.Bf3 Nd4 14.O-O Nf5 15.Nc3 Bh6 ) 13...Nd4 14.Nc3 Qe8+ 15.Kf1 Nc2 16.Bxc2
dxc2 17.f3 ( 17.d3 Bf5 18.Bf4 Qd7 19.Kg1 Qxd3 20.Qg3 Qc4 { -1.21 Stockfish }
) 17...Bf5 18.d4 ( 18.Qe3 Qc6 19.d4 Re8 20.Qg5 Bg7 21.Kf2 Nh5 22.Ne2 Qe6
23.Qe3 Qc4 24.b3 Qa6 25.Qd2 Bd3 26.Re1 Bxe2 27.Bb2 { -3.39 Stockfish } )
18...Qc6 19.Kf2 Rd8 20.Ne2 Re8 21.Re1 Qc4 22.g4 ( 22.Be3 Nd5 23.Ng3 Bb4
24.Nxf5 Bxe1+ 25.Rxe1 Nxe3 26.Rxe3 Rxe3 27.Qxe3 gxf5 { -0.15 Stockfish } )
22...Be7 ( 22...Bd3 23.Nc3 Rxe1 24.Kxe1 Bb4 25.Bd2 Qxd4 26.Qe3 Qd6 27.Qf4 Qc5
28.Qe3 Qd6 { = Stockfish } ) 23.Qd2 Bxg4 24.Qc3 Be6 25.Bd2 Rh8 26.h4 (
26.Rh1 Qxc3 27.bxc3 a5 28.Ng3 b5 29.h4 Bc4 30.Bg5 Ba3 31.Bc1 Be7 32.Bg5
{ +0.07 Stockfish } ) 26...Qxc3 27.bxc3 Rxh4 ( 27...Nd5 28.Bg5 Ba3 29.Bc1 Be7
30.Bg5 { = Stockfish } ) 28.Rh1 Rxh1 29.Rxh1 Bxa2 ( 29...a6 30.Nc1 Bc4 31.Nb3
b6 32.Na1 Bd3 33.Ke3 Bf5 34.Rc1 Ba3 35.Rxc2 c5 36.c4 cxd4+ 37.Kxd4 Ke6 38.Kc3
Nd7 39.Bf4 Bxc2 40.Nxc2 Bc5 { = Stockfish } ) 30.Ra1 Bc4 31.Rxa7 b5 32.Rxc7
Nd5 33.Ra7 Ke6 34.Ra6+ Kd7 35.Nc1 Bh4+ 36.Kg2 Bf6 37.Kg3 b4 38.Ra7+ Kc6
39.cxb4 Bxd4 40.Ra8 Bb6 41.Rc8+ Kb5 42.Rb8 Kc6 43.Rc8+ Kb5 44.Rb8 Ne7
1/2-1/2
Alan Lasser
blacklightmazes@icloud.com
website: blacklightmazes.com
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