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Leon S Lederman vs Vasyl Ivanchuk
Gibraltar Masters (2014), Catalan Bay GIB, rd 1, Jan-28
Sicilian Defense: Najdorf. Amsterdam Variation (B93)  ·  0-1

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 7.Be3 Bg7 8.Qd2 O-O 9.Be2 e5 10.fxe5 dxe5 11.Nb3 = +0.06 (27 ply)= -0.50 (22 ply)better is 11.Qe3 Qxe3+ 12.Bxe3 O-O 13.Kf2 Nb4 14.h3 Be6 15.Bd4 = -0.05 (20 ply) ⩱ -0.56 (20 ply)better is 14.Be3 Nb4 15.Nd5 Nxd3+ 16.cxd3 e6 17.Nc3 O-O 18.d4 Bxf3 = -0.18 (23 ply) ⩱ -0.72 (24 ply)better is 17...Nxd3 18.Kxd3 Rc5 19.f5 exf5 20.exf5 O-O 21.c3 Ne5+ ⩱ -0.87 (21 ply)= -0.24 (22 ply) 19.c3 Na5 20.Ba2 Kd7 21.b4 Bxc3 22.bxc5 Bxa1 23.Bd2 Bd4 = -0.45 (21 ply) ⩱ -1.25 (21 ply)better is 23...Rhd8 24.c3 Nb5 25.Bxb5 axb5 26.Ke2 d5 27.Be3 d4 ⩱ -0.83 (21 ply)= -0.32 (23 ply)better is 24...h5 25.Nf2 Bh6 26.Be3 Nf5 27.Bd2 Nd7 28.Nd3 Nb8 ⩱ -0.73 (22 ply)= -0.22 (21 ply) after 25.c3 Nf5 26.Bd2 Rhc8 27.Kc2 d4 28.Kb1 Rd8 29.cxd4 Rxd4 better is 26.c3 Ndb3 27.Kc2 h5 28.Nf2 Nxd2 29.Kxd2 Bh6 30.Nh3 Nd7 = -0.34 (25 ply) ⩱ -0.93 (25 ply) 27.Bc3 Nf5 28.Bd2 Nd7 29.c3 d4 30.c4 h5 31.Nf2 Bf8 32.Rb3 ⩱ -0.67 (24 ply) ∓ -1.76 (24 ply) 29.Bd3 Nxd3 30.Nxd3 Nxb4 31.cxb4 Rc4 32.Rb3 Bh6 33.b5 ⩱ -1.47 (26 ply)-+ -6.61 (26 ply); 30.Bxf8 Nxe1 31.Bd6 Ng2 32.Bxc7 Rxc7 33.Ra4 d4 34.f5 -+ -6.42 (26 ply)0-1

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
Jan-28-14  Doniez: A gap of almost 500 ELO points...
Jan-28-14  Cheapo by the Dozen: Black could also have played

27 ... Nxc2
28 Kxc2 Ne4+

Feb-05-14  DrAttitude: 2787 vs 2415. 0-1.
Feb-13-14  310metaltrader: Where is the win here. Thanks? Is it that you win a pawn?
Feb-13-14
Premium Chessgames Member
  perfidious: <metaltrader> More than a pawn after 30.Bxd3 Nxb4.
Feb-14-14  RookFile: I lose interest after the queen trade. Really? You don't go into this line looking to trade queens, you want to blow black away in the middlegame. I'm sure Ivanchuk was very happy with the trade.
Feb-14-14  310metaltrader: now i see the fork, did not see it.

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