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Subject: Re: Toga II - 12 ply .. 2 mins+

Author: Steve Lim

Date: 21:43:34 08/24/05

Go up one level in this thread


On August 25, 2005 at 00:39:35, Steve Lim wrote:

>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
>
>Toga finds this in 2mins 18secs (p4-3ghz) at depth 12.. interesting extensions.
>
>
>
>FEN: 3b3K/pp4rP/8/4Ppp1/8/BB4P1/p3p2p/1N5k w - - 0 1
>
>Toga II 1.0:
>
> 11/45	00:07	   3.446.949	480.728	 0.00	Bb3d5+ Kh1g1 Ba3c5+ Kg1f1 Nb1d2+ Kf1e1
>Nd2f3+ Ke1d1 Bd5b3+ Kd1c1 Bc5a3+ Kc1b1 Nf3d2+ Kb1a1 Bb3c2 Rg7xh7+ Kh8g8 Rh7h8+
>Kg8g7 Rh8h7+ Kg7g8
>
> 12/45	02:18	  74.350.229	536.702	+M18	Bb3d5+ Kh1g1 Ba3c5+ Kg1f1 Nb1d2+ Kf1e1
>Nd2f3+ Ke1d1 Bd5b3+ Kd1c1 Bc5a3+ Kc1b1 Nf3d2+ Kb1a1 Bb3c2 Rg7xh7+ Kh8g8 Rh7h8+
>Kg8f7 Rh8h7+ Kf7e8 Rh7h8+ Ke8d7 Rh8h7+ Kd7xd8 Rh7h8+ Kd8c7 Rh8h7+ Kc7b8 Rh7h8+
>Kb8xa7 Rh8a8+ Ka7xa8 e2e1Q Nd2b3+


Notice the amount of time spent between ply 11 and 12. from 7 secs to 2+ mins.




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