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Subject: Re: How many engines select Qb4?

Author: Mike Byrne

Date: 11:51:53 11/13/04

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Crafty version Classic 2004 SE PB [Standard]
Black(1): [d]2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - - 0 28
White(1): st 120
search time set to 120.00.
White(1): g
              clearing hash tables
              time surplus  30.80  time limit 2:00 (2:00)
              depth   time  score   variation (1)
                6     0.16  -1.23   1. Rf7 Rxd2 2. Rxe7 Rxb2 3. h4 Bxd5
                                    4. Rxa7
                6->   0.22  -1.23   1. Rf7 Rxd2 2. Rxe7 Rxb2 3. h4 Bxd5
                                    4. Rxa7 (s=2)
                7     0.23  -1.23   1. Rf7 Rxd2 2. Rxe7 Rxb2 3. h4 Bxd5
                                    4. Rxa7
                7->   0.37  -1.23   1. Rf7 Rxd2 2. Rxe7 Rxb2 3. h4 Bxd5
                                    4. Rxa7 (s=7)
                8     0.39     -1   1. Rf7
                8     0.42  -1.63   1. Rf7 Rxd2 2. Rxe7 Rxb2 3. Re1 Bxd5
                                    4. Rd1 Rc5 5. Rxa7 (s=6)
                8     0.81     +1   1. Qb4!!
                8     1.02     +3   1. Qb4!!
                8     1.23     +M   1. Qb4!!
                8     1.86   4.12   1. Qb4 Rxg2+ 2. Kxg2 Rc2+ 3. Kh1 Qxb4
                                    4. Bxe5+ Kxh7 5. Rh3+ Kg6 6. Rg1+ Kf7
                                    7. Rg7+ Ke8 8. Rh8+ Qf8 9. Rxf8+ Kxf8
                                    10. Rxb7 Rxa2 (s=5)
                8->   1.97   4.12   1. Qb4 Rxg2+ 2. Kxg2 Rc2+ 3. Kh1 Qxb4
                                    4. Bxe5+ Kxh7 5. Rh3+ Kg6 6. Rg1+ Kf7
                                    7. Rg7+ Ke8 8. Rh8+ Qf8 9. Rxf8+ Kxf8
                                    10. Rxb7 Rxa2
                9     2.56     +1   1. Qb4!!
                9     3.27   5.34   1. Qb4 R2c5 2. Qxe4 Rxd5 3. Bxe5+ Rxe5
                                    4. Qxe5+ Qxe5 5. Rxe5 Rc7 6. Rh5 Rxh7
                9->   3.44   5.34   1. Qb4 R2c5 2. Qxe4 Rxd5 3. Bxe5+ Rxe5
                                    4. Qxe5+ Qxe5 5. Rxe5 Rc7 6. Rh5 Rxh7
               10     5.92     +1   1. Qb4!!
               10     9.11   6.64   1. Qb4 Re8 2. Rf8+ Qxf8 3. Bxe5+ Qg7
                                    4. Bxg7+ Kxh7 5. Qa4 Rc1+ 6. Kf2 Rc2+
                                    7. Kg3 Kxg7 8. Qxe8 Bxd5
               10->   9.61   6.64   1. Qb4 Re8 2. Rf8+ Qxf8 3. Bxe5+ Qg7
                                    4. Bxg7+ Kxh7 5. Qa4 Rc1+ 6. Kf2 Rc2+
                                    7. Kg3 Kxg7 8. Qxe8 Bxd5
               11    15.53     +1   1. Qb4!!
               11    30.27   7.19   1. Qb4 Qg7 2. Rg3 Qxg3 3. hxg3 Rxb2
                                    4. Qxe4 Re8 5. Rf7 Ba6 6. d6 Rxa2 7.
                                    Rxa7
               11->  31.41   7.19   1. Qb4 Qg7 2. Rg3 Qxg3 3. hxg3 Rxb2
                                    4. Qxe4 Re8 5. Rf7 Ba6 6. d6 Rxa2 7.
                                    Rxa7
               12    49.72     +1   1. Qb4!!
               12     1:11   7.84   1. Qb4 Re8 2. Rf8+ Qxf8 3. Bxe5+ Qg7
                                    4. Bxg7+ Kxh7 5. Qd4 Rc1+ 6. Kf2 Rc2+
                                    7. Ke1 Kg8 8. Rxe4 Rd8 9. Re7 Rxd5
               12->   1:14   7.84   1. Qb4 Re8 2. Rf8+ Qxf8 3. Bxe5+ Qg7
                                    4. Bxg7+ Kxh7 5. Qd4 Rc1+ 6. Kf2 Rc2+
                                    7. Ke1 Kg8 8. Rxe4 Rd8 9. Re7 Rxd5
              time=2:00  cpu=197%  mat=2  n=127648043  fh=92%  nps=1.06M
              ext-> chk=9482415 cap=276030 pp=247819 1rep=929883 mate=107084
              predicted=1  nodes=127648043  evals=32513143  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=766  stop=128  data=5/128  cpu=3:57  elap=2:00

White(1): Qb4





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