B54: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4, Unusual Lines
1.e2-e4
c7-c5
2.Ng1-f3
d7-d6
3.d2-d4
c5xd4
4.Nf3xd4
Ng8-f6
5.Bf1-d3
last book move
5...Nb8-c6
6.Nd4xc6
b7xc6
7.h2-h3
Prevents intrusion on g4 [7.0-0
Ra8-b8=
]
7...e7-e5
8.Nb1-c3
Bf8-e7
9.0-0
0-0
10.Bc1-e3
[10.Qd1-e2
Bc8-e6=
]
10...d6-d5
11.e4xd5
c6xd5
12.Nc3-e2
[12.f2-f4
Be7-d6=
]
12...a7-a6
[12...Ra8-b8!?
13.Be3xa7
Rb8xb2-/+
]
13.c2-c3=/+
Controls b4
13...Qd8-d7
[13...Ra8-b8
14.Ra1-b1=
]
14.Bd3-c2
Bc8-b7
[14...Ra8-b8
15.Bc2-b3=
]
15.f2-f4
e5-e4
Black gains space
16.Ne2-d4
Be7-c5
[16...Bb7-c6
17.Nd4xc6
Qd7xc6
18.Bc2-a4=
]
17.f4-f5
[17.Bc2-a4
Qd7-c7+/=
]
17...Qd7-e7
18.Qd1-d2
Qe7-e5
[18...a6-a5
19.Bc2-a4=
]
19.Be3-f4
Bc5xd4+
20.c3xd4
Qe5-e7
21.g2-g4
[21.Ra1-c1
Rf8-c8+/=
]
21...Bb7-c6
22.g4-g5
Nf6-h5
23.f5-f6
Qe7-e6
24.f6xg7
[24.Bf4-e5
Qe6xh3
25.f6xg7
Rf8-e8=
]
24...Nh5xg7
25.Qd2-g2
[25.Bf4-e5
Qe6xh3
26.Qd2-f4
Ng7-h5=
]
25...Bc6-d7
[25...Ng7-f5
26.Bc2-d1
Qe6-g6
27.Bd1-g4
Nf5xd4
28.Ra1-d1
Nd4-f3+
29.Bg4xf3
e4xf3
30.Qg2xf3=
(‹30.Rf1xf3
d5-d4-/+
) ]
26.Kg1-h2
[26.Bf4-e5
Ng7-f5
27.Ra1-e1+/=
]
26...Ng7-h5
[26...Ng7-f5
27.Qg2-g1
Ra8-c8=/+
]
27.g5-g6??
White has let it slip away [>=27.Bf4-e5
Qe6-g6
28.Bc2-b3+/-
]
27...h7xg6
[27...Qe6xg6?!
28.Bf4-d6
Rf8-d8
29.Bd6-e5
Qg6xg2+
30.Kh2xg2=/+
; 27...Nh5xf4?!
28.g6xh7+
Kg8-h8
29.Rf1xf4+/=
]
28.Bf4-e5
At this point the score sheet becomes illegible and the white player makes severe errors trying to press an attack that is not valid anymore. Despite a substantial positional and material advantage, black accepts a draw because of a short clock. [28.Bf4-h6
Nh5-g7-/+
] 1/2-1/2