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Yury Ulianov vs Alexander Ivanovich Konstantinov
Ch Of The Russian Republic, Semi-final (1956), USSR
Zukertort Opening: Symmetrical Variation (A04)  ·  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 9 v010218 (minimum 6s/ply)better is 4.d4 Bf5 5.c4 e6 6.O-O Be7 7.cxd5 exd5 8.Nc3 O-O = +0.30 (26 ply)= -0.24 (24 ply)better is 5...Be6 6.a3 Bd6 7.Nbd2 h6 8.e4 dxe4 9.dxe4 O-O = -0.19 (22 ply)better is 6.Nxe5 Nxe5 7.d4 Bd6 8.dxe5 Bxe5 9.c4 c6 10.cxd5 ⩲ +0.55 (25 ply)better is 6...d4 7.Na4 Bd6 8.c3 O-O 9.e3 dxc3 10.bxc3 a6 11.c4 = -0.05 (24 ply) ⩲ +0.63 (27 ply)better is 7...Nxe5 8.d4 c6 9.dxc5 Bf5 10.Be3 Qe7 11.Bd4 Rfe8 = +0.43 (25 ply) ⩲ +1.10 (26 ply) 11...Qe7 12.Nxd5 Nxd5 13.Bxd5 Be6 14.Bxb7 Rad8 15.Bg2 ⩲ +1.29 (24 ply) ± +2.17 (23 ply)better is 16...Ne7 17.Bxf6 gxf6 18.Rxf6 Ng6 19.Rxg6+ Qxg6 20.Nxd5 ± +1.89 (24 ply) 17.Nxd5 Qd4 18.Nc7 Bxh3 19.Bxh3 Nxg5 20.Qxg5 Re5 21.Qf4 +- +2.58 (25 ply) ⩲ +1.45 (26 ply) 19.Qxe4 Bxh3 20.Rxb7 Bxg2+ 21.Kxg2 Qc6 22.Qxc6 Nxc6 ± +2.00 (24 ply) 19...Ng6 20.Bxg6 hxg6 21.Re7 Rxe7 22.Bxe7 Be6 23.Rd1 = -0.22 (24 ply) 20.Rxg7+ Kxg7 21.Rf1 Rf8 22.Qxh6+ Qxh6 23.Bxh6+ Kxh6 ⩲ +1.05 (28 ply)= 0.00 (29 ply) 21...Bf5 22.Bxf5 fxg5 23.Qxg5+ Kh8 24.Rf1 Qc6+ 25.Kg1 = 0.00 (30 ply)+- +6.90 (26 ply)+- mate-in-14 after 25.Qh4+ Kg7 26.Qg5+ Kh8 27.Qh6+ Kg8 28.Rf6 Bf5; 25...Ng6 26.Qf7+ Kh6 27.Qxe8 Nxf4 28.gxf4 Kg7 29.Kh2 a6 +- +10.01 (29 ply)1-0

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
Dec-30-23
Premium Chessgames Member
  Ziryab: P. H. Clarke, <100 Soviet Chess Miniatures> (1963) gives White’s 18.Rxf7 a double-exclam, but then offers a line where White’s attack peters out. According to Clarke, Black should have played 19…Kxf7.
Nov-13-24  Lugia: Rxf7 is such an explosive move. Also I am pretty sure 19. Kxf7 is just complete suicide maybe not getting mated but definitely losing for black.

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