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Ivan Radulov vs Miguel Cuellar Gacharna
Leningrad Interzonal (1973), Leningrad URS, rd 7, Jun-12
Sicilian Defense: Canal Attack. Main Line (B52)  ·  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.c3 Nf6 4.Bb5+ Bd7 5.Bd3 Nc6 6.Bc2 e5 7.O-O Be7 = +0.45 (33 ply)better is 3...Nd7 4.O-O a6 5.Bxd7+ Bxd7 6.Nc3 e6 7.d4 cxd4 = -0.24 (35 ply)= +0.36 (36 ply) 11...a6 12.Na4 Qc7 13.Nxc6 bxc6 14.Rc1 Nd7 15.b3 c5 = 0.00 (37 ply) ⩲ +0.96 (31 ply) 13...Ne5 14.b3 b5 15.Nxb5 Nxb5 16.cxb5 Qxb5 17.Rac1 Qb7 = +0.32 (35 ply)better is 14.b3 f5 15.Bh6 fxe4 16.Bxg7 Kxg7 17.Nxe4 d5 18.Nc5 Qc8 ⩲ +1.16 (30 ply)better is 14...e6 15.Bg5 f6 16.Be3 Qf7 17.Rcd1 Rd7 18.b3 f5 19.Bg5 = +0.47 (33 ply) ⩲ +1.15 (38 ply) 17.Bg5 Nxc3 18.Nxc3 Rac8 19.Rfd1 f6 20.Be3 Nf7 21.Ne2 f5 ⩲ +1.25 (35 ply)= +0.36 (25 ply)better is 19.Rxd7 Qxd7 20.Rc1 e6 21.Nd4 d5 22.exd5 Qxd5 23.Nc6 ⩲ +0.60 (31 ply) 19...Qxf1+ 20.Kxf1 Rxc7 21.Nb5 Rd7 22.Qd5 Rb8 23.Nxa7 = 0.00 (41 ply) ⩲ +0.98 (36 ply) 21...Bf8 22.Qe2 Qa5 23.Rc1 a6 24.Qc2 Re8 25.h3 e6 26.Kf2 ⩲ +0.57 (35 ply)+- +7.31 (34 ply)27...Bxh6 28.b4 f5 29.exf5 d5 30.Rc7 Kf7 31.Ne5+ Kf8 +- +10.41 (30 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
Jan-01-10
Premium Chessgames Member
  Chessical: Cuellar attempts to break down the Maroczy Bind with a <b5> pawn lever, but miscalculates and lets Radulov seize control of the <c> file and the <7th> rank.

Worse is to yet to come, Radulov then overloads Cuellar's Queen (<22.Qe2!!>)


click for larger view

Cuellar's <26..Qc2!> shows that he could maintain a sense of humour in the face of adversity - an admirable trait.

Jun-30-14  Nova: 22? Would make a nice puzzle, featuring removing the defender of c8. And the follow-up with …Nxf3! and Nxf3!! Shows how Black's back rank weakness is too much

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