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Subject: Re: Another position.

Author: Dann Corbit

Date: 20:29:07 12/07/00

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On December 07, 2000 at 20:52:40, Mogens Larsen wrote:

>The move of the day from FIDE 2000 according to KC came from the Anand-Macieja
>game. Anand played 25.Bxe6! in the position below. Maybe something for a chess
>program to chew on?
>
>[D]2r3k1/5p2/1p2pp1p/pPq5/Pn6/1B6/1P2QPPP/3R2K1 w - - 0 25

Crafty does not find it, even after a good long think:

White(1): epdpfga foo.epd foo.out
PFGA: EPD record: 1
middle-game phase
              clearing hash tables
              time surplus   0.00  time limit 16:39 (16:39)
         nss  depth   time  score   variation (1)
                6->   0.21   0.23   1. Rd7 Qc1+ 2. Bd1 Rc7 3. Qg4+ Kh7
                                    4. Qe4+ Kh8 5. Rd8+
                7     0.29   0.16   1. Rd7 Qc1+ 2. Bd1 Rc7 3. Rd6 Rc2 4.
                                    Qg4+ Kh7 5. Rd7
                7     0.59   0.22   1. Qg4+ Kf8 2. Rd7 Qe5 3. Qd1 Kg8 4.
                                    Qd2 h5
                7->   0.71   0.22   1. Qg4+ Kf8 2. Rd7 Qe5 3. Qd1 Kg8 4.
                                    Qd2 h5
                8     1.32   0.32   1. Qg4+ Kh8 2. Rd7 Qe5 3. Bc4 f5 4.
                                    Qh4 Kg8 5. b3
                8->   1.44   0.32   1. Qg4+ Kh8 2. Rd7 Qe5 3. Bc4 f5 4.
                                    Qh4 Kg8 5. b3
                9     3.47   0.10   1. Qg4+ Kf8 2. Qe4 Kg7 3. Rd7 Qc1+
                                    4. Bd1 Rc7 5. Qg4+ Kh7 6. Rd6 Nd5 7.
                                    b3 <HT>
                9     4.70   0.25   1. Qf3 Qg5 2. Qe3 Rc5 3. Rd8+ Kg7 4.
                                    f4 Qf5 5. Qg3+ Qg6 6. Qe3
                9->   6.49   0.25   1. Qf3 Qg5 2. Qe3 Rc5 3. Rd8+ Kg7 4.
                                    f4 Qf5 5. Qg3+ Qg6 6. Qe3
               10     7.81   0.24   1. Qf3 Qg5 2. Qe3 Rc5 3. Rd8+ Kg7 4.
                                    f4 Qf5 5. Rd6 Qb1+ 6. Bd1 Qc1
               10->  10.01   0.24   1. Qf3 Qg5 2. Qe3 Rc5 3. Rd8+ Kg7 4.
                                    f4 Qf5 5. Rd6 Qb1+ 6. Bd1 Qc1
               11    16.23   0.24   1. Qf3 Kg7 2. Rd7 Qe5 3. Qe3 Qxb2 4.
                                    Rxf7+ Kg8 5. Rd7 Qc1+ 6. Bd1 Qxe3 7.
                                    fxe3 e5
               11    36.47   0.33   1. h4 Kf8 2. Rd7 Qc1+ 3. Kh2 Rc7 4.
                                    Rd8+ Ke7 5. Rh8 Nc2 6. Qd3 Qf4+ 7.
                                    Kg1 Nd4
               11->  38.23   0.33   1. h4 Kf8 2. Rd7 Qc1+ 3. Kh2 Rc7 4.
                                    Rd8+ Ke7 5. Rh8 Nc2 6. Qd3 Qf4+ 7.
                                    Kg1 Nd4
               12    50.81   0.18   1. h4 Qe5 2. Qe3 Qxe3 3. fxe3 Kf8 4.
                                    Rd6 Rb8 5. Kf2 Ke7 6. Rd4 Rd8 7. Rxd8
                                    Kxd8
               12->   1:22   0.18   1. h4 Qe5 2. Qe3 Qxe3 3. fxe3 Kf8 4.
                                    Rd6 Rb8 5. Kf2 Ke7 6. Rd4 Rd8 7. Rxd8
                                    Kxd8
               13     1:34   0.13   1. h4 Qe5 2. Qe3 Qxe3 3. fxe3 Kf8 4.
                                    Rd6 Rb8 5. Kf2 Ke7 6. Rd1 Rc8 <HT>
               13     2:02   0.21   1. g3 Qe5 2. Qe3 Qxe3 3. fxe3 Kf8 4.
                                    Rd7 Rc1+ 5. Kg2 Rb1 6. Rd2 Ke7 7. Kf3
                                    Rc1 8. Ke4
               13->   2:30   0.21   1. g3 Qe5 2. Qe3 Qxe3 3. fxe3 Kf8 4.
                                    Rd7 Rc1+ 5. Kg2 Rb1 6. Rd2 Ke7 7. Kf3
                                    Rc1 8. Ke4
               14     3:06   0.13   1. g3 Qe5 2. Qe3 Qxe3 3. fxe3 Kf8 4.
                                    Kg2 Ke7 5. Kf3 Rc7 6. Rd2 Rc5 7. Kf4
                                    e5+ 8. Kf5 h5
               14->   8:11   0.13   1. g3 Qe5 2. Qe3 Qxe3 3. fxe3 Kf8 4.
                                    Kg2 Ke7 5. Kf3 Rc7 6. Rd2 Rc5 7. Kf4
                                    e5+ 8. Kf5 h5



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