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Subject: Re: Anyone remember?

Author: Dann Corbit

Date: 10:37:12 04/01/02

Go up one level in this thread


On April 01, 2002 at 13:14:50, Alexander Kure wrote:

>Analysis variation of Shirov vs. Krasenkov:
>
>[D]6r1/2rp1kpp/2qQp3/p3Pp1P/1pP2P2/1P2KP2/P5R1/6R1 w - - 0 1
>
>1 Rxg7 Rxg7 2 Rxg7 Kxg7 3 Qe7 Kg8 4 Qe8 Kg7 5 h6 Kxh6 6 Qf8 Kh5 7 Qf7 Kh4 8 Qh7
>Kg3 9 Qg6 Kh4 10 Kf2 and mate in a few moves.

Crafty finds it in 43 seconds:

search time set to 720.00.
White(1): epdpfga \rxg7.epd rxg7.out
PFGA: EPD record: 1
              time surplus   0.00  time limit 12:00 (12:00)
         nss  depth   time  score   variation (1)
                7     0.43   0.24   1. Rd1 Qb7 2. Rd4 Rgc8 3. Kf2 Qc6 4.
                                    Rg5
         7     24      43 260461  1. Rd1 Qb7 2. Rd4 Rgc8 3. Kf2 Qc6 4. Rg5
                7     0.72   0.26   1. Rd2 h6 2. Qxc6 dxc6 3. Rgd1 Re7
                                    4. Rd7 g5 <HT>
         7     26      72 446314  1. Rd2 h6 2. Qxc6 dxc6 3. Rgd1 Re7 4. Rd7 g5 <
HT>
                7->   0.76   0.26   1. Rd2 h6 2. Qxc6 dxc6 3. Rgd1 Re7
                                    4. Rd7 g5 <HT>
         7     26      76 469178  1. Rd2 h6 2. Qxc6 dxc6 3. Rgd1 Re7 4. Rd7 g5 <
HT>
                8     1.39   0.23   1. Rd2 Qb7 2. Kf2 Ra8 3. Kg2 Ra6 4.
                                    Qd4 Qc6
         8     23     139 848960  1. Rd2 Qb7 2. Kf2 Ra8 3. Kg2 Ra6 4. Qd4 Qc6
                8->   1.90   0.23   1. Rd2 Qb7 2. Kf2 Ra8 3. Kg2 Ra6 4.
                                    Qd4 Qc6
         8     23     190 1164187  1. Rd2 Qb7 2. Kf2 Ra8 3. Kg2 Ra6 4. Qd4 Qc6
                9     3.00   0.27   1. Rd2 Qb7 2. Kf2 Qc6 3. Qxc6 dxc6
                                    4. Rgd1 Re8 5. Rd7+ Re7 6. R7d6
         9     27     300 1833189  1. Rd2 Qb7 2. Kf2 Qc6 3. Qxc6 dxc6 4. Rgd1 Re
8 5. Rd7+ Re7 6. R7d6
                9->   3.48   0.27   1. Rd2 Qb7 2. Kf2 Qc6 3. Qxc6 dxc6
                                    4. Rgd1 Re8 5. Rd7+ Re7 6. R7d6
         9     27     348 2138631  1. Rd2 Qb7 2. Kf2 Qc6 3. Qxc6 dxc6 4. Rgd1 Re
8 5. Rd7+ Re7 6. R7d6
               10     6.34   0.26   1. Rd2 Qb7 2. Rgd1 Rd8 3. Rg2 Rg8 4.
                                    Kf2 Qc6 5. Qxc6 dxc6 6. Ke3
        10     26     634 3689322  1. Rd2 Qb7 2. Rgd1 Rd8 3. Rg2 Rg8 4. Kf2 Qc6
5. Qxc6 dxc6 6. Ke3
               10->   7.71   0.26   1. Rd2 Qb7 2. Rgd1 Rd8 3. Rg2 Rg8 4.
                                    Kf2 Qc6 5. Qxc6 dxc6 6. Ke3
        10     26     771 4543071  1. Rd2 Qb7 2. Rgd1 Rd8 3. Rg2 Rg8 4. Kf2 Qc6
5. Qxc6 dxc6 6. Ke3
               11    10.31   0.26   1. Rd2 Qb7 2. Rgd1 Rd8 3. Rg2 Rg8 4.
                                    Kf2 Qc6 5. Rg3 Qxd6 6. Rxd6 Ke7
        11     26    1031 6136401  1. Rd2 Qb7 2. Rgd1 Rd8 3. Rg2 Rg8 4. Kf2 Qc6
5. Rg3 Qxd6 6. Rxd6 Ke7
               11    12.38   0.28   1. h6 g6 2. Rd1 Re8 3. Rgd2 Re7 4.
                                    Kf2 Kf8 5. Qxc6 dxc6 6. Rd8+ Kf7 7.
                                    R1d6
        11     28    1238 7459360  1. h6 g6 2. Rd1 Re8 3. Rgd2 Re7 4. Kf2 Kf8 5.
 Qxc6 dxc6 6. Rd8+ Kf7 7. R1d6
               11->  14.44   0.28   1. h6 g6 2. Rd1 Re8 3. Rgd2 Re7 4.
                                    Kf2 Kf8 5. Qxc6 dxc6 6. Rd8+ Kf7 7.
                                    R1d6
        11     28    1444 8747970  1. h6 g6 2. Rd1 Re8 3. Rgd2 Re7 4. Kf2 Kf8 5.
 Qxc6 dxc6 6. Rd8+ Kf7 7. R1d6
               12    17.47   0.25   1. h6 g6 2. Rd1 Re8 3. Rd4 Kg8 4. Kf2
                                    Qb7 5. Rg5 Qc8 6. Kg1 Rd8 <HT>
        12     25    1747 10642489  1. h6 g6 2. Rd1 Re8 3. Rd4 Kg8 4. Kf2 Qb7 5.
 Rg5 Qc8 6. Kg1 Rd8 <HT>
               12    39.07   0.28   1. Rd2 Qb7 2. Rgd1 Rd8 3. Kf2 h6 4.
                                    Rd3 a4 5. Kg1 axb3 6. axb3 Rc6 7. Qd4
        12     28    3907 23814158  1. Rd2 Qb7 2. Rgd1 Rd8 3. Kf2 h6 4. Rd3 a4 5
. Kg1 axb3 6. axb3 Rc6 7. Qd4
               12    43.12     ++   1. Rxg7+!!
        12     68    4312 26302263  1. Rxg7+!!
               12    43.77   4.23   1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
                                    Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
                                    Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+
                                    Kh3 10. Kf2 Qc5+ 11. Kf1 Qxc4+ 12.
                                    bxc4 Rxc4 13. Qxd7 Rxf4 14. Qxe6 Rxf3+
        12    423    4377 26708259  1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+ Kg8 4. Q
e8+ Kg7 5. h6+ Kxh6 6. Qf8+ Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+ Kh3 10. Kf2 Qc5
+ 11. Kf1 Qxc4+ 12. bxc4 Rxc4 13. Qxd7 Rxf4 14. Qxe6 Rxf3+
               12->  44.05   4.23   1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
                                    Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
                                    Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+
                                    Kh3 10. Kf2 Qc5+ 11. Kf1 Qxc4+ 12.
                                    bxc4 Rxc4 13. Qxd7 Rxf4 14. Qxe6 Rxf3+
        12    423    4405 26905137  1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+ Kg8 4. Q
e8+ Kg7 5. h6+ Kxh6 6. Qf8+ Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+ Kh3 10. Kf2 Qc5
+ 11. Kf1 Qxc4+ 12. bxc4 Rxc4 13. Qxd7 Rxf4 14. Qxe6 Rxf3+
               13    44.49     ++   1. Rxg7+!!
        13    463    4449 27164067  1. Rxg7+!!
               13    46.33  Mat15   1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
                                    Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
                                    Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+
                                    Kh4 10. Kf2 Qc5+ 11. Kg2 Qg1+ 12. Kxg1
                                    Rc6 13. Qg5+ Kh3 14. Qg2+ Kh4 15. Qh2#
        13  32738    4633 28407621  1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+ Kg8 4. Q
e8+ Kg7 5. h6+ Kxh6 6. Qf8+ Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+ Kh4 10. Kf2 Qc5
+ 11. Kg2 Qg1+ 12. Kxg1 Rc6 13. Qg5+ Kh3 14. Qg2+ Kh4 15. Qh2#
               13->  46.96  Mat15   1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
                                    Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
                                    Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+
                                    Kh4 10. Kf2 Qc5+ 11. Kg2 Qg1+ 12. Kxg1
                                    Rc6 13. Qg5+ Kh3 14. Qg2+ Kh4 15. Qh2#
        13  32738    4696 28847242  1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+ Kg8 4. Q
e8+ Kg7 5. h6+ Kxh6 6. Qf8+ Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+ Kh4 10. Kf2 Qc5
+ 11. Kg2 Qg1+ 12. Kxg1 Rc6 13. Qg5+ Kh3 14. Qg2+ Kh4 15. Qh2#
               14    48.83  Mat15   1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+
                                    Kg8 4. Qe8+ Kg7 5. h6+ Kxh6 6. Qf8+
                                    Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+
                                    Kh4 10. Kf2 Qc5+ 11. Kg2 Qg1+ 12. Kxg1
                                    Rxc4 13. Qg5+ Kh3 14. Qg2+ Kh4 15.
                                    Qh2#
        14  32738    4883 30082895  1. Rxg7+ Rxg7 2. Rxg7+ Kxg7 3. Qe7+ Kg8 4. Q
e8+ Kg7 5. h6+ Kxh6 6. Qf8+ Kh5 7. Qf7+ Kh4 8. Qxh7+ Kg3 9. Qg7+ Kh4 10. Kf2 Qc5
+ 11. Kg2 Qg1+ 12. Kxg1 Rxc4 13. Qg5+ Kh3 14. Qg2+ Kh4 15. Qh2#
               14     1:15  39/40*  1. Kd2



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