Iuri Akobia
1-2thComm Polasek&Vlasak50JT, 2007
WIn
1.Bg3
treating c7 and same time preventing Nd6 [1.Bh4
two pawns are not enough to win in such a positions 1...Nb4
2.Bxe7 (2.Ne5
Ka4 3.Bxe7
Kb5 4.Bxb4
Kxb4 ) 2...Ka4
3.Ne5 Kb5
4.Bxb4 Kxb4
5.Kg3 Kc3
6.Nf3 (6.d5
Kd4 7.c7
Nxc7 8.d6
Ne6 ) 6...Kc4
7.Kf4 Kd5
; 1.Ba5 Nb4
2.c7 (2.Ne5
Nd5 3.Kg3
Ka4 4.Bd8
Nec7 5.Kf3
Ne6 6.Ke4
Nf6+ 7.Kf5
Nxd4+ 8.Kg6
Ne8 9.Kf7
Kb5 ) 2...Nd6!
1...e5!? the only way
to prevent c7 [but with an extra piece white consolidates 1...Kb4
2.c7 Nxc7
3.Bxc7 Kc4
4.Bd8 (4.Kg3
) 4...e6 (4...e5
5.dxe5 Kd5
6.Bf6 ) 5.Kg3
Kd5 6.Bf6
Ke4 7.Bg7
Nb4 (7...Ke3
8.Ng5 ) 8.Nd2+
Kd3 9.Nb3
Kc3 10.Nc5
Kc4 11.Nxe6
Nc6 12.Kf3
Kd5 13.Nf4+
Kc4 14.Ne2
; 1...Nb4 2.c7
Nxc7 3.Bxc7
Kb3 4.Kg3
Kc4 5.Be5
Nd3 6.Kg4
e6 7.Bh8
Kd5 8.Bg7
Ke4 9.Ng5+
Kd5 10.Kf3
]
2.Nxe5! [2.Bxe5
Nxe5 3.Nxe5
(3.dxe5 Kb4
4.Kg3 Kc5
) 3...Kb4 4.Kg3
Kc3 5.Nf3
(5.d5 Kd4
) 5...Kc4 6.Kf4
Kd5 ; 2.dxe5
Nc5! 3.Nd4
(3.Bf2 Kb4!
(3...Ne6 4.Nd4
) 4.Nd4 Kc4
5.Nf5 Nc7
6.Ne7 Nd3
7.Bb6 Na8
8.Ba5 Nxe5
9.c7 Nxc7
10.Bxc7 Nd7
) 3...Kb4 4.e6
(4.Kg2 Kc4
5.Bf2 Kd5
) 4...Na6 5.e7
Kc5 6.Bf2
Nac7 7.Kg3
Nd5 a two pawns effect again;
2.d5 Kb4
]
2...Nb4! white will win
a minor piece, but black prepares an interestin defence [2...Nxe5
3.Bxe5 Kb4
4.c7 Nxc7
5.Bxc7 Kc4
6.Be5 ; 2...Nb2
3.d5 Ka4
(3...Kb4 4.Nd3+
Nxd3 5.d6
) 4.Nf7 Kb5
5.c7 Nxc7
6.Bxc7 Nc4
(6...Nd3 ; 6...Kc5
7.d6 Kc6
8.Ne5+ ) 7.Kg3
]
3.Nc4+ [3.Nd7
Nxc6 ; 3.Bh4
Kb3 4.Bd8
Kc3 5.Bb6
Nd5 6.Bc5
Nec7 7.Kg3
Ne6 ]
3...Kb3 [3...Ka4
4.c7 Nxc7
5.Bxc7 Kb3
6.Ne3 ]
4.Na5+ Ka4
5.c7 Nxc7
6.Bxc7 Kb5!
Very intereting position
7.Kh1!! mutual zugzwang
[7.Bd8? d6 is not
guarded 7...Nc2 8.d5
Kc5 ; 7.Kh3?
Nd5 8.Bd8
Nf4+ 9.Kg4
Ne6 10.Bf6
Nxd4 ; 7.Kg3?
Nc2 8.d5
Ne3 9.d6
Nf5+ 10.Kf4
Nxd6 11.Bxd6
Kxa5 ; 7.Kg2?
Nd5 8.Bd8
Nf4+ 9.Kf3
Ne6 ; 7.Kg1?
Nd5 8.Bd8
Nf4 ]
7...Nd5 8.Bd8
and white consolidates his advantage
8...Ne3 [8...Nf4
9.Nb7 Kc6
10.Nc5 Kd5
11.Bf6 Ne2
12.Nb3 Kc4
13.Nd2+ (13.Be5
) 13...Kd5 14.Nf3
Ke4 15.Kg2
]
9.Nb7 Kc4
10.Bf6 with Kh2 black
could play Ng4+, so 7.Kh1 is mutual zugzwang
10...Nc2 11.Na5+!
a small switchback [11.Nd6+
Kd5 12.Nb5
Kc4 13.Nd6+
Kd5 14.Nf5
Ke6 ]
11...Kd5 12.Nb3
Kc4 13.Nd2+
Kd3 14.Nf3
Ke4 15.Kg2
Ne3+ 16.Kg3+-