Author: José de Jesús García Ruvalcaba
Date: 09:30:21 05/23/99
Go up one level in this thread
On May 22, 1999 at 21:12:31, Robert Hyatt wrote: >On May 22, 1999 at 16:38:07, James Robertson wrote: > >>On May 22, 1999 at 15:53:48, Mark Young wrote: >> >>>On May 22, 1999 at 15:40:58, Marc Plum wrote: >>> >> >>[snip] >> >>> >>>Well, I would not put to much stock in this one game. Rebel 10 played I think >>>the best player when playing against computer programs. Also again it seems >>>Rebel 10's bug?? or huge tactical hole in its program that I have talked about >>>before came up and bit Rebel 10 hard again. >> >>Bug? Huge tactical hole? On my machine (P233), my program searches more than 10 >>minutes and shows no signs of seing the danger for white _after_ 26. f4. Crafty >>16.3 still does not see the danger and it has been searching for more than 11 >>minutes. >> > >You are using the wrong crafty. 16.6 is far better at king safety and already >feels that this is big trouble for white, even before f4. IE at move 23, at >depth=14 (1.5 minutes on my quad) the best move (exd4) had already failed low >for white... > >The problem is that _crafty_ was picking these threats up at depth=13/14, >which was way beyond Rebel's search depth most likely... > >After f4, this is crafty's analysis during the game: > > (4) 12 24.80 -0.26 26. ... Qd3 27. Rxb7 Qxd4+ 28. Kh1 > Rc8 29. Qa1 Qd2 30. Rd7 Re8 31. Re7 > Rc8 32. b3 Qc3 > 12 1:05 -0.07 26. ... h5 27. Rxb7 Ra5 28. Rb5 Rxb5 > 29. cxb5 Kh7 30. b6 Qd3 31. Kh1 Qxd4 > 32. Bf3 <HT> > 12-> 1:05 -0.07 26. ... h5 27. Rxb7 Ra5 28. Rb5 Rxb5 > 29. cxb5 Kh7 30. b6 Qd3 31. Kh1 Qxd4 > 32. Bf3 <HT> > 13 1:38 ++ 26. ... h5!! > 13 8:21 3.43 26. ... h5 27. Rxb4 Re8 28. Rb5 Re3 > 29. Qa1 Re4 30. Qa8+ Re8 31. Qxe8+ > Qxe8 32. Kf2 Bg4 33. Rxb7 Qe2+ 34. > Kg1 Qe3+ 35. Kg2 Qxd4 > 13-> 8:45 3.43 26. ... h5 27. Rxb4 Re8 28. Rb5 Re3 > 29. Qa1 Re4 30. Qa8+ Re8 31. Qxe8+ > Qxe8 32. Kf2 Bg4 33. Rxb7 Qe2+ 34. > Kg1 Qe3+ 35. Kg2 Qxd4 > 14 9:42 3.43 26. ... h5 27. Rxb4 Re8 28. Rb5 Re3 > 29. Qa1 Re4 30. Qa8+ Re8 31. Qxe8+ > Qxe8 32. Kf2 Bg4 33. Rxb7 Qe2+ 34. > Kg1 Qe1+ 35. Kg2 Qd2+ 36. Kh1 Qd1+ > 37. Kg2 Qxd4 > >Any crafty should find h5 reasonably quickly... as this is just a tactical >rip of white, totally... Took mine 1 minute to realize that h5 was the >right move, and 1:38 to realize that it was outright winning... > > >>>As in my computer vs computer games >>>Rebel 10 gets a advantage >> >>You honestly believe that Rebel had an advantage before playing 26. f4? That >>move was just the icing on the cake. >> >>James > >Right... white was lost (according to crafty) when it played Rb5, as my >scores started failing low/high (depending on who was on move) getting very >good for black, but at extreme depths (but depths it can actually reach as this >analysis was being done real-time during the game in channel 211). Rohde said >white was lost on Ra5, which was move 21. However, f5 showed that something >is definitely missing in king safety. And there are a _bunch_ of players around >that will exploit that until it gets cleared up. As the saying goes, been >there, done that. > Were these analysis done by crafty 16.6 or by crafty 16.7?
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