Author: Uri Blass
Date: 14:39:00 12/27/04
Go up one level in this thread
On December 27, 2004 at 17:19:43, Peter Fendrich wrote: >On December 27, 2004 at 17:16:13, Uri Blass wrote: > >>On December 27, 2004 at 16:06:06, John Merlino wrote: >> >>>>Note that d6 is a win for white and the question is also how much time does the >>>>king need to see d6 and not Bxh5 >>>> >>>>Uri >>> >>>Ah, ok. That's not what you were asking. :-) You wanted to know if it was a draw >>>AFTER Bxh5. >> >>I also posted bm d6 after the diagram and it suggests the question how much time >>programs need to see d6. >> >>> >>>So, I checked with The King, and after 10 minutes on an AMD 2500 it does not >>>find a better move than Bxh5 (which it scores at about +3.2 for White). >>> >>>jm >> >> >>d6 is winning easily so Johan has things to improve in the king. >> >>Uri > >Do you know of any program that solves that in a decent time? > >/Peter Yes Fritz8 needs only 7 knodes or less than it to solve it. New game, Blitz:10'+3" 5k2/8/P5B1/3P3p/3b4/8/1P6/1K6 w - - 0 1 Analysis by Fritz 8: 1.d6 h4 2.Kc2 Bc5 3.b4 Bb6 4.Bf5 Ke8 +- (2.47) Depth: 7/8 00:00:00 7kN 1.d6-- +- (2.19) Depth: 8/15 00:00:00 15kN 1.d6 h4 2.Kc2 h3 3.Kd3 +- (2.16) Depth: 8/15 00:00:00 19kN 1.d6 h4 2.Kc2 h3 3.Kd3 Bc5 4.b4 h2 5.d7 +- (2.38) Depth: 9/16 00:00:00 42kN 1.d6-- +- (2.09) Depth: 10/18 00:00:00 80kN 1.d6 h4 2.Kc2 +- (2.09) Depth: 10/18 00:00:00 86kN 1.Kc2! +- (2.13) Depth: 10/18 00:00:00 94kN 1.Bxh5! +- (2.16) Depth: 10/18 00:00:00 119kN 1.Bxh5 Ke7 2.Kc2 Kd6 +- (2.28) Depth: 10/18 00:00:00 131kN 1.Bxh5 Ke7 2.Kc2 Kd6 3.Bf7 Kc7 4.b4 Kb6 5.d6 +- (2.31) Depth: 11/16 00:00:00 183kN 1.Bxh5! +- (2.59) Depth: 12/17 00:00:00 271kN 1.Bxh5 Ke7 2.Kc2 Kd6 3.Bf3 Kc7 4.b4 Kb6 5.d6 Kxa6 6.Kd3 Bb6 7.Bc6 +- (2.50) Depth: 13/19 00:00:00 536kN 1.Bxh5 Ke7 2.Kc2 Kd6 3.Bf3 Kc7 4.b4 Kb6 +- (2.25) Depth: 14/22 00:00:01 1210kN 1.d6! +- (2.28) Depth: 14/29 00:00:01 2036kN 1.d6! +- (2.44) Depth: 14/29 00:00:01 2082kN 1.d6 h4 2.Bf5 Ke8 3.Kc2 Kd8 4.Kd3 Bb6 5.Ke4 Bg1 6.b4 Ba7 7.Kd5 Bb6 +- (2.72) Depth: 14/29 00:00:01 2301kN 1.d6! +- (3.00) Depth: 15/22 00:00:02 2793kN 1.d6! +- (3.28) Depth: 16/24 00:00:03 3849kN 1.d6! +- (3.56) Depth: 17/27 00:00:04 5911kN 1.d6! +- (3.84) Depth: 18/32 00:00:07 9976kN 1.d6! +- (4.13) Depth: 19/31 00:00:14 18584kN 1.d6! +- (4.41) Depth: 20/42 00:00:28 39142kN (, MyTown 28.12.2004) Yace needs more time but can solve it by search at tournament time control on fast hardware. New game, Blitz:10'+3" 5k2/8/P5B1/3P3p/3b4/8/1P6/1K6 w - - 0 1 Analysis by Yace 0.99.87: 1.Bxh5 Ke7 2.b4 Kd6 3.Bf3 Kc7 4.Kc2 Kb6 5.Be2 Be5 6.Kd3 Ka7 7.b5 Bd6 8.Kc4 Bc7 9.Bg4 Bf4 10.Bd7 Be5 11.Kc5 +- (3.50) Depth: 21/38 00:00:58 107343kN 1.d6 h4 2.Bf5 Be3 3.Kc2 Bd4 4.d7 Ke7 5.Kd3 Ba7 6.Ke4 Bb6 +- (3.51) Depth: 21/38 00:02:00 201647kN 1.d6 h4 2.Bf5 Be3 3.Kc2 Bd4 4.Kb3 Kf7 5.Kc4 Bf2 6.Kd5 h3 7.Bxh3 Ba7 8.Kc6 Kf8 9.d7 Kg7 +- (3.88) Depth: 21/38 00:02:27 242765kN 1.d6 h4 2.Bf5 +- (3.88) Depth: 21/38 00:02:29 245024kN 1.d6 h4 2.Bf5 +- (3.88) Depth: 21/38 00:02:36 257327kN (, MyTown 28.12.2004) Uri
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