Author: Roman Hartmann
Date: 05:31:17 08/25/05
Go up one level in this thread
On August 25, 2005 at 00:08:54, Vegadapirate wrote:
>White to move and mate in 18 actually white wins in next 17 moves here is the
>position
>[D] 3b3K/pp4rP/8/4Ppp1/8/BB4P1/p3p2p/1N5k w - - 0 1
>
>start your engines
>
>My shredder finds it at depth 20
Ruffian finds this one quite quickly:
ruffian: setboard 3b3K/pp4rP/8/4Ppp1/8/BB4P1/p3p2p/1N5k w - - 0 1
[setboard 3b3K/pp4rP/8/4Ppp1/8/BB4P1/p3p2p/1N5k w - - 0 1]
ruffian: analyze
[analyze]
3b3K/pp4rP/8/4Ppp1/8/BB4P1/p3p2p/1N5k w - -
Depth Time Score Best line
1/7 0.00 -9.90 Kxg7 axb1=Q
1/7 0.00 -4.46 Bxa2 e1=Q Kxg7 Qxe5+
2/10 0.00 -7.10 Bxa2 Rxh7+ Kxh7
2/13 0.00 -0.45 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Kxg7
3/16 0.00 0.57 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Kxg7
4/21 0.00 0.17 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Kxg7 h1=Q h8=Q
e1=Q Nxe1 Qxd5
5/21 0.02 0.17 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Kxg7 h1=Q h8=Q
e1=Q Nxe1 Qxd5
6/22 0.02 0.17 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Kxg7 h1=Q h8=Q
e1=Q Nxe1 Qxd5
7/28 0.05 -0.45 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Kxg7 Kxd2 h8=Q a1=Q Qxh2
Qxe5+
8/30 0.10 -0.45 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Kxg7 Kxd2 h8=Q a1=Q Qxh2
Qxe5+
9/30 0.17 0.00 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Kg8
10/30 0.30 0.00 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Kg8
11/33 0.56 0.00 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Kg8
12/37 1.06 0.00 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Kg8
12--> 1.19 0.00 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Kg8
13/37 2.17 0.00 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Kg8
13--> 2.35 0.00 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Kg8
14/39 2.52 ++ Bd5+
14/39 4.11 #18 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Ke8 Rh8+
Kd7 Rh7+ Kxd8 Rh8+ Kc7 Rh7+ Kb8 Rh8+ Kxa7 Ra8+ Kxa8
h1=Q Nb3#
14--> 4.14 #18 Bd5+ Kg1 Bc5+ Kf1 Nd2+ Ke1 Nf3+ Kd1 Bb3+ Kc1 Ba3+
Kb1 Nd2+ Ka1 Bc2 Rxh7+ Kg8 Rh8+ Kf7 Rh7+ Ke8 Rh8+
Kd7 Rh7+ Kxd8 Rh8+ Kc7 Rh7+ Kb8 Rh8+ Kxa7 Ra8+ Kxa8
h1=Q Nb3#
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