Author: martin fierz
Date: 06:59:39 10/22/03
Go up one level in this thread
On October 22, 2003 at 08:29:22, Anthony Cozzie wrote: >On October 22, 2003 at 07:58:20, martin fierz wrote: > >>On October 21, 2003 at 20:33:53, Anthony Cozzie wrote: >> >>>On October 21, 2003 at 15:26:59, Darren Rushton wrote: >>> >>>>[D] 7k/6p1/r2B3p/4P3/4b3/3n3B/6PP/5RK1 w - - 0 1 >>>> >>>>White could have won by force. 1.e6! Rd6 2.e7 Bc6 3.Rf8+ Kh7 4.Bf5+! g6 5.Rd8 >>>>Rf6 6.Bd7 Bd7 7.Rd7. >>>> >>>>Yusupov overlooked the intermediate check 4.Bf5+ and chose 1.g3? Kh7 2.Bg2 Bg2 >>>>3.Kg2 Kg6 4.Rf8, but Timman found a defence: 4...Nb2!, after which it turned out >>>>to be impossible to convert [his] extra pawn into victory. >>>> >>>>Does your program find the correct continuation? >>>> >>>>Regards, >>>> >>>>Daz >>> >>>Zappa: >>> >>>1. e6 Rxd6 2. e7 Bc6 3. Rf8 Kh7 4. Rd8 Rf6 5. e8=Q Bxe8 6. Rxe8 >>> = (2.30) Depth: 6/14 00:00:00.24 77784kN >>>1. e6 Kh7 2. e7 Ra8 3. Bd7 Bg6 4. Rb1 Ra2 5. e8=Q Bxe8 6. Bxe8 Re2 7. Rd1 >>> = (3.65) Depth: 13/29 00:00:30.11 18740317kN >>> >> >>hi anthony, >> >>strange line at depth 6! if you play out the moves in the pv you have what looks >>like a dead equal position to me, yet zappa evaluates it as +2.30. what's going >>on here? >> >>cheers >> martin > >Probably another bug :) I still haven't _completely_ debugged the hash table >from its rewrite a few weeks ago. > >anthony probably you won't solve this in 1/4 of a second any more once you fix the bug ;-) cheers martin
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