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Vladimir Petrov vs Hugo Cordova
Buenos Aires Olympiad qual-2 (1939), Buenos Aires ARG, rd 5, Aug-28
Catalan Opening: Closed Variation (E01)  ·  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 2.Nf3 e6 3.Nbd2 d5 4.b3 Bd6 5.e3 O-O 6.Bb2 Nbd7 = +0.30 (42 ply)= -0.27 (36 ply)better is 4...Bb4+ 5.Bd2 Be7 6.Nf3 O-O 7.O-O c6 8.e3 b6 9.Ne5 = +0.08 (22 ply) ⩲ +0.73 (30 ply)better is 6.O-O Be7 7.b3 b6 8.Bb2 O-O 9.e3 a5 10.Nbd2 Bb7 ⩲ +0.56 (30 ply)= 0.00 (43 ply) after 6...b6 7.O-O Bb7 8.b3 Be7 9.Rd1 O-O 10.Bb2 Rc8 11.Nc3 8.Nbd2 c5 9.dxc5 Bxc5 10.cxd5 exd5 11.Nb3 b6 12.Nxc5 ⩲ +0.77 (45 ply) 8...b6 9.Rd1 Ba6 10.e3 Rc8 11.Bb2 h6 12.Nbd2 c5 13.Rac1 = 0.00 (46 ply) ⩲ +0.79 (33 ply) 9...b6 10.Rd1 Qc7 11.Ne5 Bb7 12.Nxd7 Qxd7 13.e3 Rac8 = +0.25 (31 ply) 10.Nc3 Ng6 11.Rfd1 Bd7 12.e4 Nxe4 13.Nxe4 dxe4 14.Qxe4 ⩲ +1.23 (31 ply)= +0.39 (31 ply)better is 11.e4 Bb7 12.Rad1 Rc8 13.Rfe1 Qc7 14.a3 Ng6 15.h4 h6 ⩲ +0.86 (32 ply)= +0.16 (29 ply)better is 12.Ndf3 Ne4 13.e3 Rc8 14.Rac1 c5 15.Rfd1 f6 16.Nd3 dxc4 ⩲ +0.66 (29 ply)= +0.12 (31 ply) after 12...c5 13.dxc5 Bxc5 14.exd5 exd5 15.Rfe1 Ne6 16.cxd5 better is 13...c5 14.exd5 exd5 15.dxc5 Rxc5 16.Qf5 Qa8 17.b4 Rcc8 = +0.13 (37 ply) ⩲ +0.73 (34 ply)better is 15...Rc7 16.c5 N6d7 17.Nxd7 Nxd7 18.b4 Qa8 19.Qc2 a5 = +0.22 (31 ply) ⩲ +0.80 (31 ply) after 16.Qe2 Bb4 17.Ng4 Nxg4 18.Qxg4 Be7 19.h4 dxe4 20.Qxe4 better is 17...Nxd7 18.Nf1 a5 19.Ne3 dxe4 20.Qxe4 Nf6 21.Qc2 h6 = +0.33 (33 ply) ⩲ +0.99 (35 ply) 19...a5 20.Qd3 Qa8 21.Nf3 Ba6 22.Qd2 bxc5 23.dxc5 Qa7 = +0.27 (34 ply) ⩲ +1.08 (28 ply) 20...a5 21.Qc3 Qc7 22.Nf3 Ra8 23.Rd4 Ba6 24.Rd2 h6 25.a4 ⩲ +0.66 (33 ply) 21.Qe3 Qc7 22.f4 g6 23.Nf3 Ba6 24.g4 Ng7 25.Bc3 h5 26.h3 ± +1.61 (32 ply) 21...Rdd8 22.Nf3 Qc7 23.Qf4 a5 24.h4 Ba6 25.Qd2 a4 26.b4 ⩲ +0.77 (34 ply)+- +2.68 (32 ply) 22...Rcd8 23.Nd6 a5 24.Qf4 Bg7 25.Rc2 Qc7 26.h4 Rb8 27.h5 ± +2.06 (30 ply) 23.Nf6+ Nxf6 24.exf6 Bh6 25.f4 Qc7 26.Qf3 Qa5 27.Rc2 Kh8 +- +2.85 (33 ply) 23...a5 24.Nf6+ Nxf6 25.exf6 Bf8 26.Be5 Qa7 27.Bd4 Re8 ± +1.64 (35 ply)+- +3.37 (34 ply) 24...Bxf6 25.exf6 d4 26.Qg5 Rd5 27.Bxd5 Rxd5 28.Qh4 Qd8 ± +2.47 (35 ply)+- +4.24 (35 ply) 26.Be5 Qc8 27.h4 a5 28.h5 Ba6 29.Qh3 Ra7 30.g4 Qb7 31.Rd4 +- +4.28 (33 ply) 26...Bc8 27.Qf3 a5 28.a3 Rb7 29.Be5 Qa7 30.Qc3 Rb5 31.Bd4 ± +1.51 (37 ply) ± +2.38 (27 ply) after 27.Qf3 Bc8 28.a3 Rb7 29.Be5 Qa7 30.Qe3 Rb5 31.Bd4 e5 27...Re8 28.h5 Bc8 29.hxg6 fxg6 30.Qg5 e5 31.fxe5 Rb7 +- +2.82 (32 ply)+- +6.99 (31 ply)+- mate-in-5 after 31...Qe5 32.Bxe5 g5 33.fxg5 Kg6 34.Qxh6+ Kf5 35.g4+1-0

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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Kibitzer's Corner
Aug-11-22
Premium Chessgames Member
  WTHarvey: White mates in 2.


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32. ?

Aug-12-22  MississQueen: Use the queen!

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