Author: Aaron Gordon
Date: 15:20:01 05/09/03
Go up one level in this thread
On May 08, 2003 at 08:21:19, Dennis Breuker wrote: >In a game I played last Tuesday, the following position occurred: > >[D] r3k1nr/ppqnbpp1/2p1p2p/4Nb2/2BP4/2N5/PPPBQPPP/2KR3R w kq - bm Nxf7 > >Solution: >11.Nxf7 Kxf7 12.g4 Bh7 13.Qxe6+ Ke8 14.Rhe1 (other moves might work >as well). White is winning here. Black only has passive pieces, >and all White's pieces are developed. > > In the game I played first >11.g4, > but that is wrong, since Black can play 11..Nxe5. > Luckily, Black played >11..Bh7?, > and after >12.Nxf7 > the variation above is reached. > > My game continued >12..Kxf7 13.Qxe6+ Ke8 14.Rhe1 Kd8 15.Qf7! > (15.d5 also good) >15..Qd6 > (on 15..g5 there follows 16.d5 cxd5 > [16..Ne5 17.Rxe5! Qxe5 18.dxc6 Kc7 19.Nd5+ Kxc6 20.Bc3] > 17.Bxd5) >16.Re6 Qb4 17.Bb3! and Black resigned. > (On 17..Qb6 there follows 18.d5!) > >Does your engine find the move, and the right continuation? > >It looks like some engines want to take on f7, but after >11..Kxf7 12.g4 Bh7 13.Qxe6+ Ke8 suddenly think it is not >as good as the engine hoped for... > >It seems that Fritz(6) does not want to take on f7, >but it definitely is the winning move! > >Regards, >Dennis Analysis by Shredder 7.04: 1.Nxd7 Qxd7 ² (0.41) Depth: 1/2 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.Kb1 ± (1.04) Depth: 5/12 00:00:00 1.g4 Nxe5 2.dxe5 Qb6 3.gxf5 Qxb2+ 4.Kxb2 ± (1.04) Depth: 5/15 00:00:00 1.Bf4 Nxe5 2.dxe5 Bb4 3.g4 Qd7 ± (1.05) Depth: 5/15 00:00:00 1.Bf4 Bg5 2.Bxg5 hxg5 3.Ne4 Nxe5 4.dxe5 Qxe5 ± (1.39) Depth: 5/15 00:00:00 1.Nxf7 Rd8 2.Nxh8 ± (1.40) Depth: 5/15 00:00:00 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 +- (1.49) Depth: 5/15 00:00:00 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Rde1 Kf8 5.f4 +- (1.74) Depth: 6/18 00:00:00 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Rde1 Nb6 5.Bb3 +- (1.81) Depth: 6/20 00:00:00 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Rde1 Kd8 5.Qxh6 gxh6 +- (1.56) Depth: 7/24 00:00:00 91kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Qxg7 Bf6 6.Qf7 Bxd4 +- (1.48) Depth: 7/24 00:00:00 123kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rde1 g5 6.Kb1 Qb6 ± (1.30) Depth: 8/24 00:00:00 383kN 1.Bf4 Nb6 2.g4 Bh7 3.Ng6 Bg5 4.Bxg5 hxg5 ± (1.31) Depth: 8/24 00:00:01 601kN 1.Bf4 g5 2.Bg3 Bd6 3.Ne4 Bxe4 4.Qxe4 Ngf6 5.Qf3 Nxe5 6.Qxf6 +- (1.51) Depth: 8/24 00:00:01 845kN 1.Bf4 Bd6 2.g4 Bh7 3.Kb1 Nxe5 4.Bxe5 Kf8 5.Bxd6+ Qxd6 6.Qe4 Bxe4 ± (1.26) Depth: 9/26 00:00:03 1535kN 1.Bf4 Bd6 2.g4 Bh7 3.Kb1 Nxe5 4.dxe5 Bb4 5.Ne4 Rd8 ± (1.22) Depth: 9/26 00:00:03 1611kN 1.Bf4 g5 2.Bg3 Bd6 3.h4 Nb6 4.Bd3 Bh7 ± (1.39) Depth: 10/28 00:00:07 3369kN 1.Bf4 Nxe5 2.Bxe5 Qa5 3.Bxg7 Rh7 4.Qe5 Qxe5 5.Bxe5 0-0-0 6.Rhe1 Nf6 ± (1.39) Depth: 11/33 00:00:12 5825kN 1.Bf4 Bg5 2.Bxg5 Nxe5 3.dxe5 hxg5 4.Qe3 Ne7 5.Qxg5 0-0 6.Bxe6 fxe6 7.Qxg7+ ± (1.14) Depth: 12/35 00:00:27 12641kN 1.Bf4 Bg5 2.Bxg5 Nxe5 3.dxe5 hxg5 4.Bd3 0-0-0 5.Bxf5 exf5 6.Rxd8+ Qxd8 7.Rd1 Qe7 8.h3 Kb8 9.Qe3 ± (1.10) Depth: 12/35 00:00:31 14500kN 1.Bf4 Bg5 2.Bxg5 Nxe5 3.dxe5 hxg5 4.Qe3 Ne7 5.Qxg5 0-0 6.g4 Bg6 7.Rd6 Rad8 8.Rhd1 ± (1.22) Depth: 13/33 00:01:02 28755kN 1.Bf4 Bg5 2.Bxg5 Nxe5 3.dxe5 hxg5 4.Qe3 Ne7 5.Qxg5 0-0 6.g4 Bg6 7.f4 Nd5 8.Bxd5 cxd5 9.Qh4 ± (0.98) Depth: 14/39 00:02:01 56556kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rhe1 Qd6 6.Re6 Qb4 7.Bb3 Qxd4 8.Bxh6 Kc8 9.Rxd4 Bg5+ ± (0.99) Depth: 14/39 00:02:16 63849kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rhe1 g5 6.f4 Nb6 7.Bb3 Nf6 8.fxg5 Bg8 9.Qg7 Rh7 10.Rxe7 ± (1.07) Depth: 14/39 00:02:55 83081kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rhe1 g5 6.d5 cxd5 7.Bxd5 Ndf6 8.Bxg5 Qb6 9.Bxf6 Qxb2+ 10.Kxb2 ± (1.32) Depth: 15/41 00:03:54 109803kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rhe1 g5 6.d5 Ne5 7.Rxe5 Qxe5 8.dxc6 Qxh2 9.Bxg5+ Kc7 +- (1.82) Depth: 15/44 00:05:37 157453kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rhe1 b5 6.Be6 b4 7.Ne4 Bxe4 8.Rxe4 Ngf6 9.Ree1 g5 10.Bf5 +- (1.97) Depth: 15/44 00:07:15 203606kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rhe1 b5 6.Be6 Ngf6 7.Qxg7 Re8 8.Bf7 Rf8 9.Bxh6 Qxh2 10.Be6 Rg8 11.Bxg8 +- (2.15) Depth: 16/46 00:11:27 325490kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rhe1 Ndf6 6.Qxg7 Ne8 7.Qxh8 Bf6 8.Qxg8 Bxg8 9.Bxg8 Qxh2 10.Re2 Qh3 11.Rde1 +- (1.99) Depth: 17/48 00:22:50 660256kN 1.Nxf7 Kxf7 2.g4 Bh7 3.Qxe6+ Ke8 4.Qf7+ Kd8 5.Rhe1 Ndf6 6.Qxg7 Ne8 7.Qxh8 Bf6 8.Qxg8 Bxg8 9.Bxg8 Qxh2 10.Ne4 +- (2.20) Depth: 18/50 00:45:03 1301285kN
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