Author: Richard Pijl
Date: 23:59:37 07/09/05
Go up one level in this thread
On July 09, 2005 at 22:04:19, Will Singleton wrote:
>Bxf7+?
>
>[d]r1b1kb1r/pp1n1ppp/2p2n2/q7/P1BpP3/2N2N2/1P1B1PPP/R2QK2R w KQkq -
>
>Looks like a really good move to play against a human, who misplayed and ended
>up mated in a few moves. Interestingly, black was 2 pieces up, but was
>completely busted due to its exposed king.
>
>Note also that some programs prefer to give up the queen as black, with a
>positive eval for black (eg crafty), as in 10. Bxf7+ Kxf7 11. Ng5+ Qxg5!? This
>in fact may be black's best defense, can't tell.
The Baron 1.6.1 plays Bxf7 instantly (P4-2.4). The Queen sac appears in the PV
after 9 minutes:
ply time nodes score pv
6(13)& 0:01.10 120358 +1.30 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 Nc3-d5
Qa5-a6 Nd5-c7 Qa6-d3 (Nc7xa8)
6(13). 0:01.38 165199 +1.30 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 Nc3-d5
Qa5-a6 Nd5-c7 Qa6-d3 (Nc7xa8)
7(15)& 0:01.98 274633 +1.30 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 Nc3-d5
Qa5-a6 Nd5-c7 Qa6-d3 Nc7xa8
7(15). 0:02.64 402275 +1.30 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 Nc3-d5
Qa5-a6 Nd5-c7 Qa6-d3 Nc7xa8
8(16)& 0:04.07 662574 +1.30 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 Nc3-d5
Qa5-a6 Nd5-c7 Qa6-d3 Nc7xa8 Nf6xe4
8(16). 0:06.32 1085922 +1.30 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 Nc3-d5
Qa5-a6 Nd5-c7 Qa6-d3 Nc7xa8 Nf6xe4
9(17)& 0:11.98 2093257 +1.41 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 f2-f4
Nd7-e5 f4-f5 Bc8xf5 e4xf5 Kg6xf5 O-O
Kf5-g6 Qd1-b1 d4-d3 Qb1-e1
9(17). 0:16.64 2967218 +1.41 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 f2-f4
Nd7-e5 f4-f5 Bc8xf5 e4xf5 Kg6xf5 O-O
Kf5-g6 Qd1-b1 d4-d3 Qb1-e1
10(19)& 0:38.34 6915801 +1.47 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-e8 Nc3-d5
Qa5-d8 Ng5-e6 c6xd5 Ne6xd8 Ke8xd8 Bd2-a5
b7-b6 e4-e5
10(19). 0:48.01 8780291 +1.47 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-e8 Nc3-d5
Qa5-d8 Ng5-e6 c6xd5 Ne6xd8 Ke8xd8 Bd2-a5
b7-b6 e4-e5
11(21)& 1:31.12 16336850 +1.40 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 f2-f4
Nd7-e5 f4-f5 Bc8xf5 e4xf5 Kg6xf5 Nc3-b5
Bf8-b4 Nb5xd4 (Kf5-g6) (Qd1-c2) (Kg6-h6)
11(21). 2:09.19 23308213 +1.40 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-g6 f2-f4
Nd7-e5 f4-f5 Bc8xf5 e4xf5 Kg6xf5 Nc3-b5
Bf8-b4 Nb5xd4 (Kf5-g6) (Qd1-c2) (Kg6-h6)
12(22)& 3:45.03 41677027 +1.64 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-e8 Nc3-d5
Qa5-d8 Ng5-e6 c6xd5 Ne6xd8 Ke8xd8 Bd2-g5
Bf8-c5 Qd1-c2 d5xe4
12(22). 5:00.12 55501754 +1.64 Bc4xf7 Ke8xf7 Nf3-g5 Kf7-e8 Nc3-d5
Qa5-d8 Ng5-e6 c6xd5 Ne6xd8 Ke8xd8 Bd2-g5
Bf8-c5 Qd1-c2 d5xe4
13(24)& 9:09.92 103914945 +1.66 Bc4xf7 Ke8xf7 Nf3-g5 Qa5xg5 Bd2xg5
d4xc3 Qd1-b3 Kf7-g6 Bg5xf6 Nd7xf6 b2xc3
Bf8-d6 Qb3-d1 Bd6-e5
13(24). 12:09.52 137453979 +1.66 Bc4xf7 Ke8xf7 Nf3-g5 Qa5xg5 Bd2xg5
d4xc3 Qd1-b3 Kf7-g6 Bg5xf6 Nd7xf6 b2xc3
Bf8-d6 Qb3-d1 Bd6-e5
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