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Subject: Test Position

Author: Mike Byrne

Date: 17:27:32 01/21/04


source:http://www.chessbase.com/games/2004/hamarat1.htm

Rxb8 also wins , but g5 is faster and prettier

White(1): [d]rr6/1Rb3k1/3q1pP1/1ppPp3/2p1P1Pp/2P1Q3/1PB3P1/5RK1 w - - 3 45
White(1): st 9000
search time set to 9000.00.
White(1): move
              clearing hash tables
              time surplus   0.00  time limit 150:00 (150:00)/(50)
              time surplus   0.00  time limit 150:00 (150:00)/(50)
              depth   time  score   variation (1)
starting thread 1
                1->   0.00   2.48   1. Rxb8 Rxb8
                2     0.00   2.42   1. Rxb8 Rxb8 2. Qh3 Kxg6 3. Qxh4
                2->   0.02   2.42   1. Rxb8 Rxb8 2. Qh3 Kxg6 3. Qxh4
                3     0.02   2.68   1. Rxb8 Rxb8 2. g5 Rf8 3. gxf6+ Rxf6
                                    4. Rxf6 Kxf6
                3->   0.02   2.68   1. Rxb8 Rxb8 2. g5 Rf8 3. gxf6+ Rxf6
                                    4. Rxf6 Kxf6
                4     0.04   2.42   1. Rxb8 Rxb8 2. Qf2 Kxg6 3. Qxh4
                4->   0.05   2.42   1. Rxb8 Rxb8 2. Qf2 Kxg6 3. Qxh4
                5     0.05   2.34   1. Rxb8 Rxb8 2. g5 Bd8 3. gxf6+ Bxf6
                                    4. Qf2 Kxg6
                5->   0.07   2.34   1. Rxb8 Rxb8 2. g5 Bd8 3. gxf6+ Bxf6
                                    4. Qf2 Kxg6
                6     0.10   2.34   1. Rxb8 Rxb8 2. g5 Bd8 3. gxf6+ Bxf6
                                    4. Qf3 Kxg6 5. Qf2
                6->   0.13   2.34   1. Rxb8 Rxb8 2. g5 Bd8 3. gxf6+ Bxf6
                                    4. Qf3 Kxg6 5. Qf2 (s=2)
                7     0.25   2.12   1. Rxb8 Rxb8 2. Qf2 Kxg6 3. Qxh4 Kg7
                                    4. g5 Rf8 5. gxf6+ Rxf6
                7->   0.33   2.12   1. Rxb8 Rxb8 2. Qf2 Kxg6 3. Qxh4 Kg7
                                    4. g5 Rf8 5. gxf6+ Rxf6
                8     0.47   2.21   1. Rxb8 Rxb8 2. Qf2 Kxg6 3. Qxh4 Rf8
                                    4. Rf5 Kg7 5. Qf2
                8->   0.57   2.21   1. Rxb8 Rxb8 2. Qf2 Kxg6 3. Qxh4 Rf8
                                    4. Rf5 Kg7 5. Qf2
                9     0.85   2.17   1. Rxb8 Rxb8 2. Qf2 Kxg6 3. Qxh4 Rf8
                                    4. Qh5+ Kg7 5. g5 fxg5 6. Qxg5+ Kh7
                                    7. Qh5+ Kg8
                9->   1.07   2.17   1. Rxb8 Rxb8 2. Qf2 Kxg6 3. Qxh4 Rf8
                                    4. Qh5+ Kg7 5. g5 fxg5 6. Qxg5+ Kh7
                                    7. Qh5+ Kg8
               10     2.55   2.18   1. Rxb8 Rxb8 2. Qh3 Rh8 3. g5 Bd8 4.
                                    Qf3 Kxg6 5. gxf6 Kf7 6. b4 Bxf6 7.
                                    bxc5 Qxc5+
               10->   3.10   2.18   1. Rxb8 Rxb8 2. Qh3 Rh8 3. g5 Bd8 4.
                                    Qf3 Kxg6 5. gxf6 Kf7 6. b4 Bxf6 7.
                                    bxc5 Qxc5+
               11     5.85   2.12   1. Rxb8 Rxb8 2. g5 Rf8 3. Qh3 Kxg6
                                    4. Qf5+ Kg7 5. Qg4 fxg5 6. Qxg5+ Kh7
                                    7. Qh5+ Kg7 8. Qg4+ Kh7 9. Qxh4+
               11    20.36   2.31   1. Rxf6 Kxf6 2. Qh6 Rxb7 3. g5+ Ke7
                                    4. Qh7+ Kd8 5. g7 Kc8 6. g8=Q+ Bd8
                                    7. Qf5+ Rd7 8. Qge6 Ra1+ 9. Kf2 Qxe6
                                    10. dxe6
               11    21.63     ++   1. g5!!
               11    27.66   3.45   1. g5 Rxb7 2. gxf6+ Kxg6 3. Rf5 Kf7
                                    4. Qh6 Rg8 5. Qh7+ Kf8 6. f7 Rxg2+
                                    7. Kxg2 h3+ 8. Qxh3 Ra7
               11->  27.66   3.45   1. g5 Rxb7 2. gxf6+ Kxg6 3. Rf5 Kf7
                                    4. Qh6 Rg8 5. Qh7+ Kf8 6. f7 Rxg2+
                                    7. Kxg2 h3+ 8. Qxh3 Ra7 (s=3)
               12    35.35   3.54   1. g5 Rxb7 2. gxf6+ Qxf6 3. Rxf6 Kxf6
                                    4. Qf3+ Kxg6 5. Qf5+ Kg7 6. Qd7+ Kh8
                                    7. d6 Rd8 8. dxc7 Rxd7 9. c8=Q+ Kg7
                                    10. Qxc5 (s=2)
               12->  37.16   3.54   1. g5 Rxb7 2. gxf6+ Qxf6 3. Rxf6 Kxf6
                                    4. Qf3+ Kxg6 5. Qf5+ Kg7 6. Qd7+ Kh8
                                    7. d6 Rd8 8. dxc7 Rxd7 9. c8=Q+ Kg7
                                    10. Qxc5
?              13    37.16   1/41*  1. g5
White(1): ?
              time=43.49  cpu=196%  mat=1  n=37184105  fh=91%  nps=855K
              ext-> chk=2220957 cap=112400 pp=216343 1rep=235976 mate=12297
              predicted=0  nodes=37184105  evals=13310832
              endgame tablebase-> probes=0  hits=0
              SMP->  split=706  stop=71  data=6/64  cpu=1:25  elap=43.49

White(1): g5
              time used:  43.50
Black(1):



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