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Peter Romanovsky vs Alexander Sergeevich Sergeev
USSR Championship (1925), Leningrad URS, rd 3
Spanish Game: Exchange. Romanovsky Variation (C68)  ·  1-0

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
Notes by Stockfish 11 (minimum 6s/ply)better is 3.Bc4 Bc5 4.c3 Nf6 5.d3 Bb6 6.Bg5 d6 7.O-O h6 8.Bh4 ⩲ +0.57 (43 ply)= 0.00 (41 ply) after 3...Nf6 4.d3 Bc5 5.Bxc6 dxc6 6.O-O Bd6 7.c3 Be6 6.d4 exd4 7.Qxd4 Qxd4 8.Nxd4 Bd7 9.f3 Ne7 10.h4 h5 = +0.10 (43 ply) 6...c5 7.Be3 Be6 8.O-O Qd7 9.a3 b6 10.Ne2 Bd6 11.c3 ⩱ -0.73 (30 ply)better is 7.Na4 Bd6 8.c4 Bb4+ 9.Nc3 Ne7 10.O-O O-O 11.Be3 Bg4 = +0.06 (23 ply) ⩱ -0.59 (30 ply) 9...Nh6 10.Rb1 Qe7 11.Nh4 g6 12.Qe1 b6 13.a3 Rf8 14.b4 ⩱ -0.51 (29 ply)better is 10.d4 cxd4 11.exd4 Qd6 12.Rf2 exd4 13.Qxd4 Nh6 14.Qxd6 = +0.43 (32 ply)better is 10...Ne7 11.Qg3 O-O 12.h3 Nc6 13.Rad1 b5 14.a3 Qd6 15.Kh2 = -0.22 (33 ply)better is 11.a4 O-O 12.h3 Nf7 13.b3 Qd7 14.Ne2 b6 15.Kh2 Rad8 = +0.28 (31 ply)better is 11...Qd6 12.Qg3 O-O-O 13.Nd5 Rhg8 14.c4 Kb8 15.Qe1 Rge8 = -0.42 (33 ply)= +0.19 (31 ply) 13.a4 Nf7 14.b3 b6 15.Qg3 Rae8 16.Ra1 Rd8 17.Ne2 Nd6 = +0.22 (31 ply)better is 13...b5 14.Nh4 b4 15.Nd5 Qd8 16.d4 c6 17.dxe5 cxd5 ⩱ -0.80 (31 ply)better is 14.Ne2 Nf7 15.Ng3 b5 16.Nf5 Qd7 17.Kh2 b4 18.Qg3 a5 19.a3 = -0.18 (30 ply) ⩱ -0.83 (33 ply)better is 15.Kg2 b5 16.b3 c4 17.bxc4 bxc4 18.d4 Qa3 19.Qe1 Rfe8 ⩱ -0.72 (31 ply) 15...b5 16.a3 c6 17.Kg2 a5 18.Rb1 h6 19.Rdd1 a4 20.Ra1 ⩱ -1.27 (31 ply)= 0.00 (39 ply) after 16.h4 Nh6 17.Nh2 Nf7better is 16...c4 17.d4 exd4 18.exd4 b5 19.Nb1 a5 20.Nbd2 Rde8 = -0.28 (33 ply)= +0.32 (31 ply) after 17.a4 c6 18.a5 Qd8 19.h4 Nh6 20.Na4 Rdf7 21.Nxc5 Bxg4 better is 17...h6 18.h4 Kg8 19.a4 c6 20.a5 c4 21.d4 exd4 22.exd4 = 0.00 (34 ply) 18.b3 Qd6 19.a4 Rb8 20.a5 b5 21.axb6 cxb6 22.Kg1 b5 23.h4 ⩲ +0.70 (33 ply) ⩱ -1.33 (37 ply) 19...Qf8 20.d4 Bxf5 21.gxf5 exd4 22.exd4 Rxd4 23.Qxc7 ⩱ -1.26 (34 ply)= -0.32 (32 ply) 22...Bxf5 23.gxf5 Nh6 24.e5 Qb8 25.Na4 fxe5 26.Nb6 Rde7 ⩱ -0.97 (33 ply)= 0.00 (40 ply)better is 26...Kg8 27.g6 hxg6 28.Rxg6 Rd7 29.d5 Rd6 30.Rfg5 Nxg5 = 0.00 (43 ply) ⩲ +0.74 (37 ply) 27...Nf7 28.g6 Nd8 29.Ne2 hxg6 30.Rxg6 Kg8 31.Rgg4 Ne6 = +0.46 (36 ply) 28.e5 Nf5 29.Ne4 Kg7 30.Kg1 a5 31.c3 b5 32.Rh2 Rh8 33.Rf3 ⩲ +1.22 (34 ply)= +0.17 (33 ply) 29...b5 30.Rg1 Rce7 31.a3 a5 32.e5 Nf5 33.Re1 b4 34.axb4 = +0.24 (34 ply) ⩲ +1.30 (35 ply) 30...Kxf7 31.Rg1 Kg7 32.b3 b5 33.e5 Rf8+ 34.Ke3 Nf5+ ⩲ +0.59 (33 ply) ⩲ +1.35 (35 ply) after 31.Na4 Nd6 32.Rg4 Rf8+ 33.Ke2 Rh8 34.e5 b5 35.exd6 bxa4 better is 31...Nd6 32.e5 Nf5 33.Rh2 b5 34.Rh1 Rh8 35.a4 h5 36.gxh6+ ⩲ +0.89 (27 ply) ⩲ +1.49 (26 ply) 33.e5 Nd8 34.Ke4 Rf8 35.d5 cxd5+ 36.Kxd5 Nc6 37.e6 Rd8+ ± +1.52 (33 ply)better is 33...Ng5+ 34.Ke3 b5 35.b4 cxb3 36.cxb3 a5 37.Rg1 a4 ⩲ +0.63 (35 ply) 34.Nf5+ Kg6 35.Rh2 b5 36.b3 cxb3 37.cxb3 a5 38.Ke3 a4 ⩲ +1.34 (33 ply) 34...Nd8 35.Nf5+ Kg6 36.Ke4 Rf8 37.Ne7+ Kh5 38.Rh2+ Kg4 = +0.13 (35 ply)+- +2.98 (34 ply) 36...Rh8 37.Rf2+ Kg6 38.Rf6+ Kg7 39.Nc5 Nd8 40.Kf3 Rh1 +- +2.69 (33 ply)+- +4.01 (33 ply) 39...Nxe5 40.Nh5+ Kh7 41.dxe5 Rxe5+ 42.Kd2 c3+ 43.bxc3 +- +2.98 (38 ply)+- +8.61 (35 ply)48...bxa3 49.bxa3 c3 50.e6 a4 51.Ke5 Ke8 52.Kd6 Kd8 +- mate-in-171-0

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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