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Subject: Re: Mate in 9....?

Author: Renze Steenhuisen

Date: 23:42:30 05/10/04

Go up one level in this thread


On May 09, 2004 at 16:31:48, Rob Basham wrote:

>[D]2rqn3/5rbk/3p1n1p/p2Pp2P/1p1Nb3/4BNR1/PP1Q1P2/3BK1R1 w - - 0 1
>
>I added some more pieces to the neat "mother of combinations"
>diagram below....:-)
>
>I think it is a mate in 9....even with the black queen still on the board...
>
>
>1. Bxh6.....etc.

Crafty output, to make it complete :-)

              clearing hash tables
              time surplus   0.00  time limit 1666:39 (1666:39)
              depth   time  score   variation (1)
                1     0.00   0.02   1. Ne6
                1->   0.00   0.02   1. Ne6
                2     0.01  -0.06   1. Ne6 Qd7
                2->   0.01  -0.06   1. Ne6 Qd7
                3     0.01  -0.28   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Bxh6 Rxg3
                                    4. Rxg3 Nxh5
                3->   0.02  -0.28   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Bxh6 Rxg3
                                    4. Rxg3 Nxh5
                4     0.02  -0.28   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Bxh6 Rxg3
                                    4. Rxg3 Nxh5
                4->   0.03  -0.28   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Bxh6 Rxg3
                                    4. Rxg3 Nxh5
                5     0.05  -0.28   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Bxh6 Rxg3
                                    4. Rxg3 Nxh5
                5->   0.07  -0.28   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Bxh6 Rxg3
                                    4. Rxg3 Nxh5
                6     0.15  -0.20   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Rxg7+ Nxg7
                                    4. Bxh6 Ngxh5 5. Ng5+ Kxh6 6. Nxe4+
                6->   0.20  -0.20   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Rxg7+ Nxg7
                                    4. Bxh6 Ngxh5 5. Ng5+ Kxh6 6. Nxe4+
                7     0.67  -0.56   1. Ne6 Qd7 2. Nxg7 Rxg7 3. Rxg7+ Nxg7
                                    4. Bxh6 Ngxh5 5. Ng5+ Kxh6 6. Nxe4+
                                    Kh7
                7     1.09     ++   1. Bxh6!!
                7     1.48   1.43   1. Bxh6 Bxh6 2. Qxh6+ Kxh6 3. Rg6+
                                    Bxg6 4. Rxg6+ Kh7 5. Ng5+ Kh8 6. Nxf7+
                                    Kh7 7. Nxd8 exd4
                7->   1.50   1.43   1. Bxh6 Bxh6 2. Qxh6+ Kxh6 3. Rg6+
                                    Bxg6 4. Rxg6+ Kh7 5. Ng5+ Kh8 6. Nxf7+
                                    Kh7 7. Nxd8 exd4
                8     2.27     ++   1. Bxh6!!
                8     3.94   3.46   1. Bxh6 Bxf3 2. Nxf3 Kg8 3. Bxg7 Rxg7
                                    4. Rxg7+ Nxg7 5. h6 Nh5 6. hxg7 Nxg7
                8->   4.05   3.46   1. Bxh6 Bxf3 2. Nxf3 Kg8 3. Bxg7 Rxg7
                                    4. Rxg7+ Nxg7 5. h6 Nh5 6. hxg7 Nxg7
                9     7.97     ++   1. Bxh6!!
                9     8.57   3.86   1. Bxh6 Bxf3 2. Ne6 Ne4 3. Nxd8 Nxd2
                                    4. Nxf7 Bxh6 5. Bxf3 Nxf3+ 6. Rxf3
                9->   8.79   3.86   1. Bxh6 Bxf3 2. Ne6 Ne4 3. Nxd8 Nxd2
                                    4. Nxf7 Bxh6 5. Bxf3 Nxf3+ 6. Rxf3
               10    17.39     ++   1. Bxh6!!
               10    32.77   4.96   1. Bxh6 Bxf3 2. Nxf3 Kg8 3. Ng5 Rcc7
                                    4. Nxf7 Rxf7 5. Bg5 Qc7 6. h6
               10->  33.27   4.96   1. Bxh6 Bxf3 2. Nxf3 Kg8 3. Ng5 Rcc7
                                    4. Nxf7 Rxf7 5. Bg5 Qc7 6. h6
               11     1:01     ++   1. Bxh6!!
               11     1:56   6.05   1. Bxh6 Nxh5 2. Ng5+ Qxg5 3. Rxg5 Nf4
                                    4. Bxg7 Nxg7 5. Bf3 Bxf3 6. Nxf3 Nh3
                                    7. Qd3+ Kg8 8. Qa6 Nxg5 9. Qxc8+
               11->   1:57   6.05   1. Bxh6 Nxh5 2. Ng5+ Qxg5 3. Rxg5 Nf4
                                    4. Bxg7 Nxg7 5. Bf3 Bxf3 6. Nxf3 Nh3
                                    7. Qd3+ Kg8 8. Qa6 Nxg5 9. Qxc8+
               12     3:41   6.07   1. Bxh6 Bxf3 2. Nxf3 Kg8 3. Ng5 Bxh6
                                    4. Ne6+ Bg7 5. Nxd8 Rxd8 6. Qg5 Rc8
                                    7. h6 Nxd5 8. hxg7 Rxg7
               12->   3:43   6.07   1. Bxh6 Bxf3 2. Nxf3 Kg8 3. Ng5 Bxh6
                                    4. Ne6+ Bg7 5. Nxd8 Rxd8 6. Qg5 Rc8
                                    7. h6 Nxd5 8. hxg7 Rxg7
               13     8:50   6.19   1. Bxh6 Bxf3 2. Ne6 Ne4 3. Nxd8 Nxd2
                                    4. Nxf7 Bxh6 5. Rg8 Bg7 6. R1xg7+ Nxg7
                                    7. Rxc8 Nxh5 8. Kxd2
               13->   8:57   6.19   1. Bxh6 Bxf3 2. Ne6 Ne4 3. Nxd8 Nxd2
                                    4. Nxf7 Bxh6 5. Rg8 Bg7 6. R1xg7+ Nxg7
                                    7. Rxc8 Nxh5 8. Kxd2
               14    24:27   6.46   1. Bxh6 Nxh5 2. Ng5+ Qxg5 3. Qxg5 Nxg3
                                    4. Rxg3 exd4 5. Bxg7 Nxg7 6. Qh4+ Kg8
                                    7. Qxe4 Rcc7 8. Qxd4 Rfe7+ 9. Kd2 Kh7
               14->  24:42   6.46   1. Bxh6 Nxh5 2. Ng5+ Qxg5 3. Qxg5 Nxg3
                                    4. Rxg3 exd4 5. Bxg7 Nxg7 6. Qh4+ Kg8
                                    7. Qxe4 Rcc7 8. Qxd4 Rfe7+ 9. Kd2 Kh7
               15    47:23     ++   1. Bxh6!!
               15   932:11   7.30   1. Bxh6 Bxf3 2. Nxf3 Kg8 3. Ng5 Rcc7
                                    4. Nxf7 Rxf7 5. Bxg7 Rxg7 6. Rxg7+
                                    Nxg7 7. Qg5 Qf8 8. h6 Ne8 9. Qd8 Kf7
                                    10. hxg7 Nxg7 11. Qxa5
               15-> 933:12   7.30   1. Bxh6 Bxf3 2. Nxf3 Kg8 3. Ng5 Rcc7
                                    4. Nxf7 Rxf7 5. Bxg7 Rxg7 6. Rxg7+
                                    Nxg7 7. Qg5 Qf8 8. h6 Ne8 9. Qd8 Kf7
                                    10. hxg7 Nxg7 11. Qxa5
               16   1069:16   7.34   1. Bxh6 Nxh5 2. Ng5+ Qxg5 3. Qxg5 Nxg3
                                    4. Qxg3 exd4 5. Bxg7 Rxg7 6. Qh3+ Kg8
                                    7. Rxg7+ Kxg7 8. Qxc8 Bg6 9. Qd8 d3
                                    10. Kd2 Kf7 11. Qxa5
               16-> 1077:51   7.34   1. Bxh6 Nxh5 2. Ng5+ Qxg5 3. Qxg5 Nxg3
                                    4. Qxg3 exd4 5. Bxg7 Rxg7 6. Qh3+ Kg8
                                    7. Rxg7+ Kxg7 8. Qxc8 Bg6 9. Qd8 d3
                                    10. Kd2 Kf7 11. Qxa5
               17   1330:45     ++   1. Bxh6!!
              time=1666:39  cpu=98%  mat=0  n=130736622413  fh=94%  nps=1307k
              ext-> chk=229269306 cap=154306672 pp=257125966 1rep=-2123233770
              mate=10011344
              predicted=0  nodes=130736622413  evals=1422314456
              endgame tablebase-> probes=0  hits=0



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