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Dionisio Martinez vs Harry Davidson
4th American Chess Congress, Philadelphia (1876), Philadelphia, PA USA, rd 2, Aug-17
Dutch Defense: Staunton Gambit. General Variation (A83)  ·  1/2-1/2

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1
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White to move.
ANALYSIS [x]
Notes by Stockfish 11 (minimum 6s/ply) 1...d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 dxc4 5.e4 c5 6.dxc5 = -0.06 (37 ply) 2.g3 Nf6 3.Bg2 g6 4.b3 Bg7 5.Bb2 d6 6.h4 c6 7.c4 ⩲ +0.75 (35 ply)= -0.36 (37 ply) 4...g6 5.Bc4 c6 6.Bb3 d5 7.f3 exf3 8.Nxf3 Bg7 9.O-O = -0.46 (35 ply) 5.f3 d5 6.fxe4 Nxe4 7.Nxe4 dxe4 8.Bb5+ c6 9.Bc4 Qd6 ⩲ +0.71 (33 ply)= -0.35 (33 ply) 6...Qe7 7.Qe2 d5 8.Nc3 c6 9.Nd1 Qxe2+ 10.Bxe2 Kf7 ⩱ -0.60 (35 ply) ⩲ +0.59 (29 ply) 7...Be7 8.Nf3 O-O 9.Bd3 Nd7 10.h3 Nf6 11.O-O d5 12.Ne2 = +0.10 (30 ply) ⩲ +1.19 (30 ply) 8...Kd7 9.O-O-O g6 10.g3 Bh6+ 11.f4 Re8 12.Qd2 Kc8 ⩲ +0.89 (34 ply)better is 9.Nf3 g6 10.Qe3 h6 11.O-O-O Qf6 12.Re1 Na6 13.Bxa6 bxa6 ± +2.13 (33 ply) 9...g6 10.Kb1 Bh6 11.Nf3 Na6 12.Qb5 Rb8 13.Bc4 d5 ⩲ +1.46 (35 ply)+- +3.26 (35 ply) 10...Bd7 11.Qc4+ Kf8 12.Nd5 Nc6 13.Nf3 Bf6 14.h4 b5 +- +2.64 (32 ply)+- +4.32 (31 ply) 11...Bd7 12.h4 Bf6 13.Qd2 Re8 14.Bc4+ Kf8 15.Nf3 Rxe1+ +- +3.17 (24 ply) 12.Qh5+ Kf8 13.Nf3 Bh6 14.Rxe6 Rxe6 15.Qxf5+ Qf6 16.Qxh7 +- +5.87 (35 ply) ⩱ -0.66 (34 ply) 15...Qe7 16.Nge2 Nd7 17.Qxf5 Nc5 18.h4 Bf6 19.Qf3 Bd7 ⩱ -0.77 (33 ply) ⩲ +1.18 (35 ply)better is 16...Bf6 17.Nge2 Nd7 18.Bxf5 Bxf5 19.Qxf5 Qe7 20.Ne4 Re8 ⩲ +0.75 (34 ply) 17.h4 Bd2 18.h5 Bf7 19.Nge2 Na6 20.Bxf5 g6 21.hxg6 hxg6 ⩲ +1.49 (36 ply)better is 17...Bd2 18.Nge2 Nd7 19.Rd1 Ne5 20.Qg2 Bxc3 21.Nxc3 Nxd3 ⩱ -0.89 (36 ply) 18.h4 Bd2 19.h5 Ne5 20.Qe2 Bxc3 21.hxg6 Bxb2 22.gxh7+ = -0.15 (36 ply) 18...Bf7 19.h4 Bh6 20.h5 Nb6 21.Qf3 Qe5 22.Nge2 Nxd5 ⩱ -1.11 (35 ply) 19.h4 Bf6 20.h5 Bxh5 21.Qxh5 Qxh5 22.Rxh5 g6 23.Rh1 Re8 +- +3.14 (36 ply) ⩱ -1.50 (34 ply) 20.Qd2 Re8 21.Nf3 Nb6 22.Ng5 Bxc3 23.Qxc3 Qxd5 24.Rf1 h6 ⩱ -0.72 (32 ply) ∓ -1.52 (35 ply) after 20...Nc5 21.Qd2 a6 22.Nc1 Kf8 23.Nb3 Bxc3 24.Qxc3 Qxd5 21.Qf1 c5 22.dxc6 bxc6 23.h3 Qb7 24.g4 Nd5 25.Bc4 Bf7 ⩱ -1.06 (35 ply)better is 21...Nxd5 22.Nxd5 Qxd5 23.Nc1 Bf7 24.c3 g6 25.Bc2 a5 ∓ -2.09 (35 ply)better is 22.g4 fxg4 23.f5 Bh5 24.Ne4 Rxe4 25.Bxe4 Nc4 26.Qe1 Nxb2 ∓ -1.54 (33 ply) ∓ -2.08 (35 ply) after 22...Nxd5 23.Nxd5 Qxd5 24.Nc1 Bf7 25.Qf3 g6 26.c3 h5 23...Nxd5 24.Nxd5 Qxd5 25.Nc3 Qf7 26.Qd2 Qe6 27.b3 Bf7 ∓ -2.38 (40 ply)= -0.41 (37 ply) 24...Nd7 25.Na4 g6 26.Qd2 Bg7 27.Bf3 Qe7 28.Qd3 a6 29.Qc4 ⩱ -0.84 (35 ply)= +0.47 (40 ply) 25...Bf6 26.bxa7 Ra8 27.h3 Qe8 28.c3 Rxa7 29.Re1 g6 = +0.16 (36 ply) 26.Qxd4 Rxe2 27.bxa7 Re8 28.b4 Kf8 29.Kb2 Ra8 30.Ra1 h6 +- +4.30 (39 ply) ⩲ +1.19 (36 ply) 27.Bd3 Re7 28.bxc7 Rxc7 29.c3 Bb6 30.Qc2 g6 31.g4 fxg4 ± +1.61 (36 ply) ⩱ -0.63 (38 ply) 29.Rf1 Qf7 30.Bd3 Re7 31.Qd1 Kf8 32.Re1 Rxe1 33.Qxe1 g6 = -0.50 (38 ply) ⩱ -1.34 (42 ply) 37.Kd3 Kf6 38.Ke4 Be5 39.b3 h6 40.Bf5 Bc3 41.Bc8 b6 ⩱ -0.88 (47 ply) ∓ -1.66 (32 ply)better is 46.Bg2 Bg5 47.Bf3 Kf4 48.Ke2 Bh4 49.Bh1 Kxg4 50.Be4 Bf6 ∓ -2.11 (78 ply) ∓ -1.54 (76 ply) after 46...Bh6 47.Bf3 Bg5 48.Bh1 Kf4 49.Ke2 Kxg4 50.Bf3+ Kg3 better is 51.Kd3 Bh4 52.Be4 Bf6 53.Bh1 Bg5 54.Ke2 Ke5 55.Kd3 Bf4 ∓ -1.81 (51 ply) ⩱ -1.19 (59 ply) after 51...Bh6 52.Bh1 Bg5 53.Kd3 Kg4 54.Ke2 Kg3 55.Be4 Kf4 54...Kd8 55.Bh1 Bf6 56.Ke3 Be5 57.Bf3 Kc8 58.Bg2 Kb8 ∓ -1.64 (73 ply) ⩱ -0.85 (48 ply) after 55.Kf4 Kf7 56.Kf3 Be5 57.Kg4 Ke8 58.Kf3 Kd7 59.Bh3+ Ke7 56.Kf5 Kd8 57.Kg4 Kc8 58.Kh3 Kb7 59.Kg2 a6 60.bxa6+ Ka7 ⩱ -0.94 (77 ply)better is 56...Kf6 57.Bg2 Kg6 58.Bf3 Kg5 59.Bg2 Kg4 60.Bf3+ Kg3 ∓ -1.76 (80 ply)better is 57.Bg2 Kc8 58.Kf3 Kb7 59.Kf2 a5 60.bxa6+ Kxa6 61.Ke3 Ka5 ⩱ -1.22 (53 ply)better is 57...Ke7 58.Bg2 Kf6 59.Ke4 Kg5 60.Kf3 Kh4 61.Bh1 Kh5 ∓ -1.92 (60 ply) ⩱ -1.22 (56 ply)better is 62.Kb5 Bf4 63.Be4 Bh6 64.Bg2 Kc8 65.Be4 Be3 66.Ka4 Bd2 ⩱ -1.30 (74 ply) ∓ -1.89 (79 ply)72...Kf4 73.Ke2 Bh4 74.Bh1 Bf6 75.Bf3 Bd4 76.Bg2 Ke5 ⩱ -1.44 (77 ply)1/2-1/2

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

Annotations by Stockfish (Computer).      [35437 more games annotated by Stockfish]

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Kibitzer's Corner
Nov-22-09  WhiteRook48: two pawns down, and black can't break down white's defenses because he is restricted by the white bishop

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