Author: Mike Byrne
Date: 18:45:02 05/27/03
Go up one level in this thread
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...
White(1): 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
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