Author: Robert Hyatt
Date: 19:03:07 07/23/00
Go up one level in this thread
On July 23, 2000 at 02:07:29, Jeremiah Penery wrote: >On July 22, 2000 at 21:58:13, Robert Hyatt wrote: > >>On July 22, 2000 at 13:41:06, blass uri wrote: >> >>>[D]r3rk2/1p6/2p3P1/4nP1p/pP2p3/P1B1NbPB/2P5/5RK1 w - - 0 1 >>> >>>Deeeper blue planned to go to this position in move 37 but did not do it >>> >>>at depth 7(6) after 3 seconds it planned to play Rd8-a8 in order to get this >>>position with evaluation of -24 >>> >>>Rd8-a8 failed low at depth 8(6) and deeper blue got evaluation of -54 >>> >>>Deeper blue solved the fail low problem with evaluation of -98 and changed its >>>mind to another move b5 with clearly better evaluation. >>> >>>It is interesting to compare evaluation of programs after b5(the move that was >>>played) and after Rd8-a8 the move that was not played to see if Deeper blue had >>>a good reason to fail low. >>> >>>Uri >> >>I tried both ways. The score is pretty close to the same either way. After >>b5, my score is -.8 after 15 plies. After Rad8 > >Uri posted the position AFTER DB would have played Rda8. The original position >should've been this: >[D]3rrk2/1p6/2p3P1/4nP1p/pP2p3/P1B1NbPB/2P5/5RK1 b - - 0 1 > >Then to search 37. ...b5 and 37. ...Rda8 and compare the scores. I did both. I am not sure if I posted search results for both, but I did give scores. Uri's position, and the position after playing b5 were very close in score, for Crafty, although it took a couple of minutes for the scores to equalize...
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