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Paul Leonhardt vs Mikhail Chigorin
Karlsbad (1907), Karlsbad (Karlovy Vary) AUH, rd 11, Sep-03
Pirc Defense: Classical Variation. Quiet System Chigorin Line (B08)  ·  1/2-1/2

8
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1
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h
White to move.
ANALYSIS [x]
Notes by Stockfish 11 (minimum 6s/ply) 2...d5 3.c4 c6 4.cxd5 cxd5 5.Bf4 Nc6 6.e3 Qb6 7.Qb3 = -0.07 (24 ply) 3.c4 g6 4.Nc3 Bg7 5.e4 O-O 6.Be2 Bg4 7.O-O Nfd7 ⩲ +0.90 (33 ply)better is 3...Bf5 4.Nh4 Bd7 5.Nf3 = 0.00 (31 ply) ⩲ +0.64 (30 ply)better is 5...a6 6.O-O O-O 7.Re1 Nc6 8.d5 Ne5 9.Nxe5 dxe5 = +0.05 (36 ply) ⩲ +0.78 (28 ply) after 6.d5 Nb8 7.O-O O-O 8.Re1 c6 9.h3 Nbd7 10.Be3 Nc5 8.Be3 c6 9.a4 Bd7 10.Re1 Na6 11.Bc4 cxd5 12.exd5 Rc8 ⩲ +0.72 (29 ply)= -0.38 (29 ply) 9.Be3 Nbd7 10.Nf3 Nc5 11.Nd2 cxd5 12.exd5 b6 13.Nc4 Bb7 = +0.35 (31 ply) 9...cxd5 10.exd5 e6 11.Nf3 exd5 12.Nxd5 Nxd5 13.Qxd5 ⩱ -1.04 (33 ply) 10.Be3 cxd5 11.exd5 Nb6 12.a4 e6 13.dxe6 Bxe6 14.Bd4 Rc8 = +0.19 (34 ply) ⩱ -1.27 (32 ply) 11...Qa5 12.Bf3 Nb6 13.Kh1 Nbxd5 14.Nxd5 Nxd5 15.Bd2 Qb5 ⩱ -1.27 (31 ply) ⩱ -0.51 (32 ply) after 12.Nf2 e6 13.dxe6 Bxe6 14.Be3 d5 15.Bd4 Nc4 16.Rb1 Rc8 better is 13.Qe2 h5 14.a4 Re8 15.h3 Qc8 16.a5 Nc4 17.Nf2 e6 18.dxe6 = -0.37 (29 ply) ⩱ -0.93 (30 ply)better is 14.a4 Rc8 15.Ra3 Qc7 16.Nf2 a6 17.Re1 Rfe8 18.a5 Nc4 ⩱ -0.57 (28 ply) ⩱ -1.12 (29 ply) 15.a4 h6 16.Ra3 a6 17.h4 Qc7 18.a5 Nc4 19.Ra2 Rfe8 20.b3 = -0.44 (28 ply) ⩱ -1.42 (29 ply)better is 16.a4 e5 17.dxe6 fxe6 18.Ra2 d5 19.Ne2 Ne4 20.Nxe4 dxe4 ⩱ -0.71 (30 ply) 16...Re8 17.Qd3 h5 18.h3 Qa5 19.a4 a6 20.Kg2 b5 21.b4 Qc7 ⩱ -1.25 (31 ply) 17.Nce4 Qa5 18.a3 e6 19.dxe6 Bxe6 20.Nd2 d5 21.Nxc4 dxc4 = -0.38 (31 ply) 17...Qa5 18.Rd1 b5 19.a3 Nxb2 20.Bxb2 Bxc3 21.Qxe7 Rc7 ∓ -1.61 (31 ply) 18.Ne4 Nf6 19.c3 Qa5 20.b3 Nxe4 21.Nxe4 Na3 22.b4 Qb6+ ⩱ -0.62 (32 ply) ∓ -2.18 (36 ply) 20...e5 21.dxe6 fxe6 22.Ne4 Rc4 23.c3 Bxf2+ 24.Qxf2 ∓ -2.21 (35 ply) 21.Kg2 Rc4 22.g5 Nh5 23.Bxh5 gxh5 24.Nfd1 Qc7 25.Re4 Bb6 ⩱ -1.14 (32 ply) 21...e5 22.dxe6 fxe6 23.Nd1 d5 24.Kg2 Ne8 25.c3 Bg7 ∓ -2.24 (33 ply) 22.Nd1 e5 23.dxe6 Rxe6 24.Rxe6 Bxe6 25.c3 Bc5 26.b4 d5 ⩱ -1.19 (33 ply) ∓ -2.17 (36 ply)better is 23.Bg4 Bf5 24.Kg2 Bxf2 25.Qxf2 Qxf2+ 26.Kxf2 Nxf4 27.Re3 ∓ -1.65 (34 ply) ∓ -2.24 (38 ply) 24.Kg2 Bxf2 25.Qxf2 Bxh3+ 26.Kg1 Bf5 27.Qxb6 axb6 28.Re2 ⩱ -1.36 (27 ply) 24...Bf5 25.Rc1 Bxb2 26.Nxb2 Qxb2 27.Nd1 Rxc2 28.Rxc2 -+ -2.62 (39 ply)better is 25.Qd3 Bd7 26.c3 Bxf2+ 27.Nxf2 e6 28.dxe6 Bxe6 29.Ra1 d5 ⩱ -1.28 (32 ply) ∓ -1.93 (27 ply)better is 26...Qc5 27.Ra1 Bxf2+ 28.Nxf2 Qc4 29.Rad1 Qxa2 30.Ra1 ∓ -1.97 (26 ply) ⩱ -1.24 (24 ply) 27...Rc4 28.Ne3 Re4 29.c4 e6 30.a3 h6 31.Nxf5 Qxf2+ ∓ -1.76 (34 ply) ⩱ -0.77 (37 ply) 28...Rc4 29.Ne3 Re4 30.Kg3 e6 31.Nxf5 exf5 32.Rxe4 fxe4 ⩱ -0.94 (27 ply) 29.fxe5 Rc4 30.Ne3 Rf4+ 31.Kg3 dxe5 32.Nxf5 Rxf5 33.Kh4 = -0.13 (38 ply) ⩱ -1.46 (36 ply)better is 30.Ng4 hxg4 31.Rxe4 exf4 32.Rxf4 Re5 33.Kg3 Rxd5 34.Rcf1 ⩱ -1.24 (35 ply) 30...f6 31.Rg1 Kg7 32.Rg3 fxg5 33.Rxg5+ Kh6 34.Rcg1 Re7 ∓ -1.79 (35 ply) ⩱ -1.00 (35 ply) 31...f6 32.c4 a5 33.g6 Rg8 34.gxh7+ Kxh7 35.Rxg8 Kxg8 ∓ -1.61 (35 ply)= 0.00 (43 ply)better is 37.Rh6+ Ke7 38.f6+ Kd7 39.R3h4 Rg6 40.Rxg6 Bxg6 41.a4 a6 = 0.00 (44 ply) ⩱ -0.56 (37 ply) 39.Rh3 a5 40.Rh6+ Kg5 41.Rxd6 Rh8 42.Nf1 Kf4 43.Rd7 Rh3 = -0.16 (34 ply) ⩱ -1.30 (39 ply) 42...Bg6 43.Kg3 Rh1 44.Rg8 Rg1+ 45.Kf2 Rb1 46.b4 Rb2+ ⩱ -1.00 (37 ply)= 0.00 (44 ply) after 43.a4 Rh2+ 44.Ke1 Rxb2 45.Rg8+ Kd7 46.Ra8 Bd3 47.Rxa7+ better is 44.Rg4 Bd3 45.Rh4 Rg8+ 46.Rg4 = 0.00 (46 ply)better is 44...Rh6 45.Ng4 Rh5 46.c4 b4 47.Ne3 Bf5 48.Ng4 Bg6 49.Ne3 ⩱ -0.53 (34 ply) 45.Rg4 Rg1+ 46.Kh4 Rh1+ = 0.00 (51 ply)-+ -4.00 (32 ply)better is 46...Rf1 47.Nxd6 Rxf6 48.Rg4 Bxd5 49.Nb5 Rf3+ 50.Kh2 -+ -4.29 (35 ply) ∓ -2.14 (35 ply) 47...Rf1 48.Rg4 Bxd5 49.Nxd6 Rxf6 50.Nc4 Bf3 51.Rg5 Rh6+ ∓ -2.29 (30 ply)-+ -3.30 (40 ply) 51...a5 52.Nf6 Kf8 53.a3 Ke7 54.b4 a4 55.b5 Bc8 56.b6 Bb7 -+ -3.73 (46 ply)= 0.00 (58 ply)57...Ke7 58.Nxf7 Kd7 59.b5 Bb1 60.Nd6 Kc7 61.Kd5 Ba2+ = -0.13 (8 ply)1/2-1/2

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

Annotations by Stockfish (Computer).      [35434 more games annotated by Stockfish]

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