Author: Jorge Pichard
Date: 00:08:40 05/28/03
Go up one level in this thread
On May 27, 2003 at 21:45:02, Mike Byrne wrote: >On May 27, 2003 at 19:11:49, Jorge Pichard wrote: > >>After being completely out-played for the entire game, and with imminent defeat >>on the horizon, Kasparov resigned the 2nd game rather than drag out the >>humiliation. But Deep Blue had made a critical error, allowing Kasparov a >>perpetual check. The analysis is quite deep and extends slightly beyond Deep >>Blue's search horizon. And, apparently, also Kasparov's. Kasparov's team, which >>included Grandmaster Yuri Dokhoian and Frederic Friedel, were faced with the >>delicate task of revealing the news to Kasparov. They waited until lunch the >>next day, after he had had a nice glass of wine to drink. After they revealed >>the hidden drawing resource, Kasparov sunk into deep thought (no pun intended) >>for five minutes before he conceded that he had missed a draw. He later claimed >>that this was the first time he had resigned a drawn position. >> >>Six years later, which program can see the draw in the famous 2nd game of the >>rematch? >> >>Jorge > >Given the position, there is only one possible move that could possibly lead to >draw -- Qe3 ..I think Crafty might get the draw here base don the PV given... > > >[D]1r6/5kp1/RqQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/5K2 b - >Black(1): d > > +---+---+---+---+---+---+---+---+ > 8 | | *R| | | | | | | > +---+---+---+---+---+---+---+---+ > 7 | | | | | | *K| *P| | > +---+---+---+---+---+---+---+---+ > 6 | R | *Q| Q | *B| | *P| | *P| > +---+---+---+---+---+---+---+---+ > 5 | | *P| | P | *P| P | | | > +---+---+---+---+---+---+---+---+ > 4 | | P | *P| | B | | | | > +---+---+---+---+---+---+---+---+ > 3 | | | P | | | | | P | > +---+---+---+---+---+---+---+---+ > 2 | | | | | | | P | | > +---+---+---+---+---+---+---+---+ > 1 | | | | | | K | | | > +---+---+---+---+---+---+---+---+ > a b c d e f g h > >Black(1): st 99999 >search time set to 99999.00. >Black(1): go > clearing hash tables > time surplus 0.00 time limit 1666:39 (1666:39) [easy move] > depth time score variation (1) >starting thread 1 > 2-> 0.00 0.85 1. ... Qxc6 2. dxc6 > 3 0.00 ++ 1. ... Qxc6!! > 3 0.01 0.45 1. ... Qxc6 2. dxc6 Bc7 > 3-> 0.01 0.45 1. ... Qxc6 2. dxc6 Bc7 > 4 0.01 0.75 1. ... Qxc6 2. dxc6 Bc7 3. Ke2 > 4-> 0.03 0.75 1. ... Qxc6 2. dxc6 Bc7 3. Ke2 > 5 0.03 0.71 1. ... Qxc6 2. dxc6 Bc7 3. Ra7 Rc8 > 5-> 0.04 0.71 1. ... Qxc6 2. dxc6 Bc7 3. Ra7 Rc8 > (s=2) > 6 0.04 1.01 1. ... Qxc6 2. dxc6 Bc7 3. Ra7 Rc8 > 4. Ke2 > 6-> 0.06 1.01 1. ... Qxc6 2. dxc6 Bc7 3. Ra7 Rc8 > 4. Ke2 (s=2) > 7 0.08 1.25 1. ... Qxc6 2. dxc6 Rd8 3. Ra7+ Be7 > 4. c7 Rc8 5. Bd5+ Kf8 6. Ke2 > 7-> 0.11 1.25 1. ... Qxc6 2. dxc6 Rd8 3. Ra7+ Be7 > 4. c7 Rc8 5. Bd5+ Kf8 6. Ke2 (s=2) > 8 0.14 1.32 1. ... Qxc6 2. dxc6 Re8 3. Ra7+ Re7 > 4. Ra5 Bc7 5. Rxb5 h5 > 8-> 0.17 1.32 1. ... Qxc6 2. dxc6 Re8 3. Ra7+ Re7 > 4. Ra5 Bc7 5. Rxb5 h5 (s=2) > 9 0.20 1.48 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 h5 4. > Rd7 Be7 5. c7 Rc8 6. Ke2 > 9-> 0.28 1.48 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 h5 4. > Rd7 Be7 5. c7 Rc8 6. Ke2 (s=2) > 10 0.40 1.77 1. ... Qxc6 2. dxc6 Bc7 3. Ra7 Rc8 > 4. Rb7 Ke7 5. Ke2 h5 6. Rxb5 > 10-> 0.72 1.77 1. ... Qxc6 2. dxc6 Bc7 3. Ra7 Rc8 > 4. Rb7 Ke7 5. Ke2 h5 6. Rxb5 (s=2) > 11 0.93 1.59 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 Rc8 > 4. Rb7 Ra8 5. Rxb5 Ra1+ 6. Kf2 Ra2+ > 7. Ke3 Bc7 > 11-> 1.22 1.59 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 Rc8 > 4. Rb7 Ra8 5. Rxb5 Ra1+ 6. Kf2 Ra2+ > 7. Ke3 Bc7 (s=2) > 12 1.54 -- 1. ... Qxc6 > 12 1.81 2.06 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 Rc8 > 4. Rb7 Bc7 5. Rxb5 Ra8 6. Rc5 Ra1+ > 7. Kf2 Ra2+ 8. Ke3 > 12-> 5.83 2.06 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 Rc8 > 4. Rb7 Bc7 5. Rxb5 Ra8 6. Rc5 Ra1+ > 7. Kf2 Ra2+ 8. Ke3 (s=2) > 13 6.58 2.07 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 Rc8 > 4. Rb7 h5 5. Rxb5 Ra8 6. Rb7 Ra1+ 7. > Kf2 Ra2+ 8. Ke3 Rb2 > 13-> 10.43 2.07 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 Rc8 > 4. Rb7 h5 5. Rxb5 Ra8 6. Rb7 Ra1+ 7. > Kf2 Ra2+ 8. Ke3 Rb2 (s=2) > 14 12.17 2.29 1. ... Qxc6 2. dxc6 Kf8 3. Ra7 Rc8 > 4. Rb7 h5 5. Rxb5 Ke7 6. Ra5 Rc7 7. > Ke2 Kf7 8. b5 > 14 1:24 2.02 1. ... Qe3 2. Qd7+ Kg8 3. Qxd6 Rf8 > 4. Qe6+ Kh7 5. Qe7 Rg8 6. Bf3 Qxc3 > 7. d6 Qd3+ 8. Ke1 c3 9. Rc6 c2 > 14-> 1:25 2.02 1. ... Qe3 2. Qd7+ Kg8 3. Qxd6 Rf8 > 4. Qe6+ Kh7 5. Qe7 Rg8 6. Bf3 Qxc3 > 7. d6 Qd3+ 8. Ke1 c3 9. Rc6 c2 > 15 2:28 1.85 1. ... Qe3 2. Qxd6 Re8 3. h4 h5 4. > Bf3 Qc1+ 5. Kf2 Qd2+ 6. Be2 Qf4+ 7. > Kg1 Qe3+ 8. Kh2 Qf4+ 9. Kh3 Qxf5+ 10. > Kh2 Qf4+ 11. Kg1 Qe3+ 12. Kf1 Qf4+ > 13. Ke1 Qxh4+ > 15-> 2:33 1.85 1. ... Qe3 2. Qxd6 Re8 3. h4 h5 4. > Bf3 Qc1+ 5. Kf2 Qd2+ 6. Be2 Qf4+ 7. > Kg1 Qe3+ 8. Kh2 Qf4+ 9. Kh3 Qxf5+ 10. > Kh2 Qf4+ 11. Kg1 Qe3+ 12. Kf1 Qf4+ > 13. Ke1 Qxh4+ > 16 3:53 1.92 1. ... Qe3 2. Qxd6 Re8 3. h4 h5 4. > Bf3 Qc1+ 5. Kf2 Qd2+ 6. Be2 Qf4+ 7. > Kg1 Qe3+ 8. Kh2 Qf4+ 9. Kh3 Qxf5+ 10. > Kh2 Qf4+ 11. Kg1 Qe3+ 12. Kf1 Qc1+ > 13. Kf2 Qf4+ 14. Bf3 Qxh4+ > 16-> 4:01 1.92 1. ... Qe3 2. Qxd6 Re8 3. h4 h5 4. > Bf3 Qc1+ 5. Kf2 Qd2+ 6. Be2 Qf4+ 7. > Kg1 Qe3+ 8. Kh2 Qf4+ 9. Kh3 Qxf5+ 10. > Kh2 Qf4+ 11. Kg1 Qe3+ 12. Kf1 Qc1+ > 13. Kf2 Qf4+ 14. Bf3 Qxh4+ > 17 5:45 1/31* 1. ... Qe3 I will let shredder 7.04 look at this position for 72 hours, and then do the same for Fritz 8.008 on my XP 2800+ Jorge.
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