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Ian Nepomniachtchi vs Boris Gelfand
Grand Prix Jerusalem (2019) (rapid), Jerusalem ISR, rd 1, Dec-13
Sicilian Defense: Old Sicilian. General (B30)  ·  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)8.Ne3 was played in D Lintchevski vs P Potapov, 2004 (1-0)better is 12...f5 13.Bc4+ Kh8 14.Ne3 f4 15.Nd5 Bd7 16.a4 Be6 17.Bd2 = +0.12 (22 ply) 13.exd5 Qxd5 14.Bg5 Qd8 15.Bxe7 Qxe7 16.Nd2 Be6 17.h5 ⩲ +0.62 (22 ply)= -0.17 (22 ply) 14...Be6 15.Bc4 Na5 16.Nxe7+ Qxe7 17.Bxe6 Qxe6 18.cxd4 = -0.21 (21 ply)better is 15.Bg5 Bxg5 16.hxg5 Qxg5 17.Nb6 Rb8 18.Qh5 Qxh5 19.Rxh5 ⩲ +0.59 (21 ply)= -0.11 (21 ply)better is 17.Nxe7 Qxe7 18.Bxe6 Qxe6 19.exf5 Rxf5 20.Qg4 b5 21.O-O = +0.18 (25 ply) ⩱ -0.57 (21 ply) 18...fxe4 19.Qxe4 Bg6 20.Qg4 Bxg5 21.Qxg5 Qd6 22.h5 Bf5 ⩱ -0.91 (22 ply)= +0.23 (22 ply) after 19.Qh3 h6 20.Nxe7 Nxe7 21.Bxf7 Rxf7 22.Qe6 Qf8 23.Bxe7 better is 24...f3 25.Qg5 Qf7 26.g3 Qd7 27.Kh2 Qxd4 28.Qe3 Qd6 = +0.35 (22 ply) ⩲ +0.98 (24 ply)better is 28...Qd6 29.Qg4 h6 30.Rc8+ Rxc8 31.Qxc8+ Rf8 32.Qxb7 Rb8 ⩲ +1.05 (25 ply) ± +1.76 (26 ply) 30.Qh5 Qe6 31.Rac1 Kg8 32.Qxe8+ Qxe8 33.Rc8 Qxc8 ± +1.97 (27 ply)= 0.00 (30 ply)better is 32...Qe6 33.Kh3 Rf4 34.Qg1 Rf7 35.Rc4 Kg7 36.Rac1 Qb6 ⩲ +0.70 (23 ply)better is 33.Qc4 Qxc4 34.Rxc4 Rxg4 35.Rg1 Rh4+ 36.Kg3 Rf8 37.Rgc1 = +0.08 (27 ply) 33...Qe6 34.Kh3 Qa6 35.Rd1 Re7 36.a4 Kg7 37.a5 Kg8 38.b4 ⩲ +0.66 (25 ply) ± +1.70 (24 ply) 34...Qa4 35.Rd5 Qa6 36.Rc1 Qxd3 37.Rd6 Rf7 38.Rxh6+ Kg8 ⩲ +1.41 (26 ply)better is 35.Rd5 Qf7 36.Rc1 Kg7 37.Rc6 Re6 38.Rc8 Re7 39.Rd6 Rc7 +- +2.69 (26 ply) 35...Rf6 36.Rac1 Re7 37.Rc7 Qxc7 38.Rxc7 Rxc7 39.Qd1 Kg7 ± +1.82 (28 ply)+- +2.59 (26 ply) after 36.Rac1 Rf6 37.Qd1 Qxb2 38.R4c2 Qb5 39.Rc7 Ref8 40.Re7 37...R4f6 38.Qd1 Qd7 39.Rc7 Qe6 40.Qc2 Rf4 41.Rg1 R4f6 +- +2.71 (30 ply)better is 38.Rc6 Kh7 39.Rg6 Qd2 40.Rcc6 R4f7 41.a4 Ra8 42.Rxh6+ +- +6.22 (27 ply) 38...Qa3 39.Qc1 Qxc1 40.Rxc1 Kg7 41.Rc7+ R8f7 42.R1c6 +- +2.89 (29 ply)+- +9.87 (27 ply) after 39.Qc1 Kh7 40.Rc6 Qb4 41.Re6 Qf8 42.Rc8 Qg7 43.Rg6 R4f6 44...Kg8 45.Rc8 Qxc8 46.Qxc8+ Kf7 47.Qb7+ Kf8 48.Qb8+ +- +12.15 (30 ply)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
Dec-23-19  patzer2: Instead of 18...f4 19. Nxe7 ⩲, Black can secure the advantage with 18...fxe4 ∓.

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