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Subject: Re: Test position?!

Author: Mike Byrne

Date: 15:05:48 01/02/04

Go up one level in this thread


the problem is the second rook take is suicidal ....2. ... Rf7 is a much tougher
defense, Bxh6 may be a 'safer move"

[D] r5k1/3b2b1/1qn4p/p1p1pr1P/Pp1pN2p/1P1P4/2PB2BK/1R1Q1R2 w - - 0 29

                7->   0.52  -0.97   1. Bxh6 Bxh6 2. Qg4+ Kh8 3. Rxf5 Rg8
                                    4. Qh3 Bxf5 5. Qxf5 (s=3)
                8     0.69  -0.93   1. Bxh6 Bxh6 2. Qg4+ Kh8 3. Rxf5 Bxf5
                                    4. Qxf5 Rf8 5. Qg4 Rf4 (s=2)
                8->   1.43  -0.93   1. Bxh6 Bxh6 2. Qg4+ Kh8 3. Rxf5 Bxf5
                                    4. Qxf5 Rf8 5. Qg4 Rf4 (s=4)
                9     1.77  -0.83   1. Bxh6 Bxh6 2. Qg4+ Kh8 3. Rxf5 Bxf5
                                    4. Qxf5 Rf8 5. Qg6 Bf4+ 6. Kh3 Rg8
                                    (s=3)
                9->   2.68  -0.83   1. Bxh6 Bxh6 2. Qg4+ Kh8 3. Rxf5 Bxf5
                                    4. Qxf5 Rf8 5. Qg6 Bf4+ 6. Kh3 Rg8
                                    (s=5)
               10     3.99  -0.56   1. Bxh6 Bxh6 2. Qg4+ Kh8 3. Rxf5 Ne7
                                    4. Rf6 Bxg4 5. Rxb6 Bf4+ 6. Kg1 h3
                                    (s=4)
               10->   5.00  -0.56   1. Bxh6 Bxh6 2. Qg4+ Kh8 3. Rxf5 Ne7
                                    4. Rf6 Bxg4 5. Rxb6 Bf4+ 6. Kg1 h3
               11    10.29     ++   1. Bxh6!!
               11    29.04   0.39   1. Bxh6 Rxf1 2. Qxf1 Rf8 3. Qc1 Qd8
                                    4. Nxc5 Nb8 5. Bd5+ Kh8 6. Bxg7+ Kxg7
                                    7. Qg1+ Kh8 8. Rf1 Bg4
               11->  31.46   0.39   1. Bxh6 Rxf1 2. Qxf1 Rf8 3. Qc1 Qd8
                                    4. Nxc5 Nb8 5. Bd5+ Kh8 6. Bxg7+ Kxg7
                                    7. Qg1+ Kh8 8. Rf1 Bg4
               12    54.16     ++   1. Bxh6!!
               12     1:16   0.86   1. Bxh6 Rxf1 2. Qxf1 Rf8 3. Qc1 Qd8
                                    4. Bg5 Qc7 5. h6 Bh8 6. Bxh4 Rf4 7.
                                    Qe1
               12->   1:21   0.86   1. Bxh6 Rxf1 2. Qxf1 Rf8 3. Qc1 Qd8
                                    4. Bg5 Qc7 5. h6 Bh8 6. Bxh4 Rf4 7.
                                    Qe1
               13     2:59   1.19   1. Bxh6 Rxf1 2. Qxf1 Ne7 3. Bxg7 Kxg7
                                    4. Bh3 Bxh3 5. Qxh3 Qh6 6. Qxh4 Nd5
                                    7. Qg3+ Kh7 8. Ng5+ Kg8 9. Ne4+ Kh8
                                    10. Qxe5+
               13->   3:15   1.19   1. Bxh6 Rxf1 2. Qxf1 Ne7 3. Bxg7 Kxg7
                                    4. Bh3 Bxh3 5. Qxh3 Qh6 6. Qxh4 Nd5
                                    7. Qg3+ Kh7 8. Ng5+ Kg8 9. Ne4+ Kh8
                                    10. Qxe5+
               14     5:20   1.04   1. Bxh6 Rxf1 2. Qxf1 Ne7 3. Bxg7 Kxg7
                                    4. Bh3 Bxh3 5. Qxh3 Qh6 6. Qxh4 Qf4+
                                    7. Qxf4 exf4 8. Nxc5 Kh6 9. Re1 Re8
               14->   6:26   1.04   1. Bxh6 Rxf1 2. Qxf1 Ne7 3. Bxg7 Kxg7
                                    4. Bh3 Bxh3 5. Qxh3 Qh6 6. Qxh4 Qf4+
                                    7. Qxf4 exf4 8. Nxc5 Kh6 9. Re1 Re8
?              15     9:45   1/38*  1. Bxh6
White(1): ?
              time=9:49  cpu=192%  mat=-2  n=669467881  fh=90%  nps=1.14M
              ext-> chk=32554932 cap=2111218 pp=1133771 1rep=2585545 mate=1176

              predicted=0  nodes=669467881  evals=200025679
              endgame tablebase-> probes=0  hits=0
              SMP->  split=1274  stop=227  data=8/64  cpu=18:55  elap=9:49

White(1): Bxh6
              time used:   9:49
Black(1): undo
NOTICE: 60 moves to next time control
White(1): search Qg4
White(1): move
              time surplus   0.00  time limit 1666:39 (1666:39)/(50)
              time surplus   0.00  time limit 1666:39 (1666:39)/(50)
              depth   time  score   variation (1)
                1     0.00  -8.55   1. Qg4 Rxf1 2. Qxd7 Rxb1
                1->   0.02  -8.55   1. Qg4 Rxf1 2. Qxd7 Rxb1
                2     0.03  -8.55   1. Qg4 Rxf1 2. Qxd7 Rxb1
                2->   0.05  -8.55   1. Qg4 Rxf1 2. Qxd7 Rxb1
                3     0.05  -8.22   1. Qg4 Rxf1 2. Qxg7+ Kxg7 3. Rxf1
                3->   0.05  -8.22   1. Qg4 Rxf1 2. Qxg7+ Kxg7 3. Rxf1
                4     0.05  -7.93   1. Qg4 Rxf1 2. Nf6+ Rxf6 3. Bd5+ Kh7
                                    4. Qxd7
                4->   0.05  -7.93   1. Qg4 Rxf1 2. Nf6+ Rxf6 3. Bd5+ Kh7
                                    4. Qxd7
                5     0.08     ++   1. Qg4!!
                5     0.08  -7.40   1. Qg4 Rxf1 2. Qxd7 Rxb1 3. Qd5+ Kh7
                                    4. Nxc5
                5->   0.10  -7.40   1. Qg4 Rxf1 2. Qxd7 Rxb1 3. Qd5+ Kh7
                                    4. Nxc5
                6     0.11     ++   1. Qg4!!
                6->   0.11  -7.01   1. Qg4 Rxf1 2. Qxd7 Rxb1 3. Qd5+ Kh7
                                    4. Nxc5
                7     0.13     ++   1. Qg4!!
                7->   0.14  -6.62   1. Qg4 Rxf1 2. Qxd7 Rxb1 3. Qd5+ Kh7
                                    4. Nxc5
                8     0.19     ++   1. Qg4!!
                8     0.27  -4.70   1. Qg4 Rxf1 2. Qxd7 Rxb1 3. Bxh6 Qa7
                                    4. Qe6+ Qf7 5. Qxf7+ Kxf7 6. Ng5+ Kf6
                                    7. Bxg7+ Kxg7 8. Bxc6
                8->   0.28  -4.70   1. Qg4 Rxf1 2. Qxd7 Rxb1 3. Bxh6 Qa7
                                    4. Qe6+ Qf7 5. Qxf7+ Kxf7 6. Ng5+ Kf6
                                    7. Bxg7+ Kxg7 8. Bxc6
                9     0.41     ++   1. Qg4!!
                9     0.88  -2.80   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qg4 Qc7
                                    4. Bxh6 Qc8 5. Qg6
                9->   0.89  -2.80   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qg4 Qc7
                                    4. Bxh6 Qc8 5. Qg6
               10     1.35  -2.82   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qe6 Qc7
                                    4. Nd6 Nd8 5. Qd5 e4 6. Bxe4
               10->   1.38  -2.82   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qe6 Qc7
                                    4. Nd6 Nd8 5. Qd5 e4 6. Bxe4
               11     2.49  -2.66   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qg4 Ne7
                                    4. Rg1 Raf8 5. Qxh4 Qc6 6. Qg4
               11->   2.50  -2.66   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qg4 Ne7
                                    4. Rg1 Raf8 5. Qxh4 Qc6 6. Qg4
               12     4.70     ++   1. Qg4!!
               12->   5.39  -2.27   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qg4 Ne7
                                    4. Rg1 Raf8 5. Qxh4 Qc6 6. Qg4
               13    12.92     ++   1. Qg4!!
               13    18.86  -1.83   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qe6 Ra6
                                    4. Qe8+ Rf8 5. Qe6+ Kh8 6. Bxh6 Qa7
                                    7. Bg5 Nd8 8. Qg4
               13->  18.86  -1.83   1. Qg4 Rxf1 2. Qxd7 Rf7 3. Qe6 Ra6
                                    4. Qe8+ Rf8 5. Qe6+ Kh8 6. Bxh6 Qa7
                                    7. Bg5 Nd8 8. Qg4
?              14    30.03   1/38*  1. Qg4
White(1): ?
              time=33.36  cpu=187%  mat=-2  n=34264173  fh=92%  nps=1.03M
              ext-> chk=1358135 cap=89719 pp=27171 1rep=109430 mate=6845
              predicted=0  nodes=34264173  evals=7694016
              endgame tablebase-> probes=0  hits=0
              SMP->  split=427  stop=54  data=6/64  cpu=1:02  elap=33.36

White(1): Qg4
              time used:  33.36
Black(1): Rxf1
              time used:   8.02
crafty is behind  1.5 on time, reducing by 1/3.
              time surplus   0.00  time limit 1666:39 (1666:39)/(50)
crafty is behind  1.5 on time, reducing by 1/3.
              time surplus   0.00  time limit 1666:39 (1666:39)/(50)
              depth   time  score   variation (1)
                1     0.00  -8.55   2. Qxd7 Rxb1
                1     0.00  -8.22   2. Qxg7+ Kxg7 3. Rxf1
                1->   0.02  -8.22   2. Qxg7+ Kxg7 3. Rxf1
                2     0.02     --   2. Qxg7+
                2     0.02  -8.62   2. Qxg7+ Kxg7 3. Rxf1 Rh8
                2     0.02  -7.93   2. Nf6+ Rxf6 3. Bd5+ Kh7 4. Qxd7
                2     0.02     ++   2. Qxd7!!
                2     0.02  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                2->   0.06  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                3     0.06  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                3->   0.10  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                4     0.10  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                4->   0.11  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                5     0.11  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                5->   0.13  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                6     0.13  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                6->   0.14  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                7     0.14  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                7->   0.17  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                8     0.17  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                8->   0.21  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                9     0.21  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
                9->   0.22  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
               10     0.22  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
               10->   0.25  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
               11     0.25  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
               11->   0.28  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
               12     0.28  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
               12->   0.30  -1.46   2. Qxd7 Rf7 3. Qe6 Rf8 4. Bxh6 Qc7
                                    5. Bxg7 Nd8 6. Qg6 Rxg7 7. Nf6+ Rxf6
                                    8. Qxf6 <HT>
?              13     0.30   1/41*  2. Qxd7
White(2): ?
              time=4.83  cpu=146%  mat=-7  n=4006072  fh=92%  nps=829K
              ext-> chk=160617 cap=10205 pp=4206 1rep=14889 mate=316
              predicted=0  nodes=4006072  evals=964277
              endgame tablebase-> probes=0  hits=0
              SMP->  split=64  stop=8  data=5/64  cpu=7.08  elap=4.83

White(2): Qxd7
              time used:   4.83
Black(2): Rxb1
              time used:   4.39
crafty is behind  1.5 on time, reducing by 1/3.
              time surplus   0.00  time limit 1666:39 (1666:39)/(50)
crafty is behind  1.5 on time, reducing by 1/3.
              time surplus   0.00  time limit 1666:39 (1666:39)/(50)
              depth   time  score   variation (1)
                2     0.00     ++   3. Nf6+!!
                2     0.03  -3.76   3. Bxh6 Ne7 4. Bxg7 Ra7 5. Qg4 Qc7
                                    <HT>
                2->   0.06  -3.76   3. Bxh6 Ne7 4. Bxg7 Ra7 5. Qg4 Qc7
                                    <HT>
                3     0.06  -3.76   3. Bxh6 Ne7 4. Bxg7 Ra7 5. Qg4 Qc7
                                    <HT>
                3     0.08     ++   3. Nf6+!!
                3->   0.08  -3.37   3. Nf6+
                4     0.08     ++   3. Nf6+!!
                4->   0.14  -2.98   3. Nf6+
                5     0.14     ++   3. Nf6+!!
                5->   0.16  -2.59   3. Nf6+
                6     0.16     ++   3. Nf6+!!
                6     0.22   4.15   3. Nf6+ Kf8 4. Qd6+ Ne7 5. Qxb6 Rd1
                                    6. Bxh6 Bxh6 7. Bxa8
                6->   0.27   4.15   3. Nf6+ Kf8 4. Qd6+ Ne7 5. Qxb6 Rd1
                                    6. Bxh6 Bxh6 7. Bxa8
                7     0.39     ++   3. Nf6+!!
                7     0.64   6.06   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Ke7 8. Qxc5+
                                    Ke6 9. Qc6+ Kf7 10. Qf3+ Ke6 11. Qxa8
                7->   0.70   6.06   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Ke7 8. Qxc5+
                                    Ke6 9. Qc6+ Kf7 10. Qf3+ Ke6 11. Qxa8
                8     0.91   6.15   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Kf7 8. Qxa8
                                    Rb2 9. Qd5+ Kf6 10. Qxc5
                8->   0.97   6.15   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Kf7 8. Qxa8
                                    Rb2 9. Qd5+ Kf6 10. Qxc5
                9     1.36   6.46   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Kf7 8. Qxa8
                                    Rf1 9. Qd5+ Kf6 10. Qd6+ Kf7 11. Bxh6
                9->   1.72   6.46   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Kf7 8. Qxa8
                                    Rf1 9. Qd5+ Kf6 10. Qd6+ Kf7 11. Bxh6
               10     1.77     ++   3. Nf6+!!
               10     3.36   7.29   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Ke7 8. Qxc5+
                                    Ke6 9. Qc6+ Ke7 10. Qxa8 Rf1 11. Kg2
                                    Rd1 12. Bxh6
               10->   4.50   7.29   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Ke7 8. Qxc5+
                                    Ke6 9. Qc6+ Ke7 10. Qxa8 Rf1 11. Kg2
                                    Rd1 12. Bxh6
               11     8.19   7.63   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Ke7 8. Qxc5+
                                    Ke6 9. Qc6+ Kf7 10. Qxa8 Rf1 11. Qd5+
                                    Kf6 12. Qd6+ Kf7 13. Qxe5
               11->  11.38   7.63   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Ke7 8. Qxc5+
                                    Ke6 9. Qc6+ Kf7 10. Qxa8 Rf1 11. Qd5+
                                    Kf6 12. Qd6+ Kf7 13. Qxe5 (s=2)
               12    18.63   7.83   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Ke7 8. Qxc5+
                                    Ke6 9. Qc6+ Kf7 10. Qxa8 Rb2 11. Qa7+
                                    Ke6 12. Qxa5 Kf5 <HT>
               12->  51.66   7.83   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Qxf6+ Ke8
                                    6. Bxc6+ Qxc6 7. Qxc6+ Ke7 8. Qxc5+
                                    Ke6 9. Qc6+ Kf7 10. Qxa8 Rb2 11. Qa7+
                                    Ke6 12. Qxa5 Kf5 <HT> (s=4)
               13     1:12     ++   3. Nf6+!!
               13     2:00  10.10   3. Nf6+ Bxf6 4. Qe6+ Kf8 5. Bxh6+ Bg7
                                    6. Bxg7+ Kxg7 7. h6+ Kf8 8. Qf6+ Ke8
                                    9. Bxc6+ Qxc6 10. Qxc6+ Ke7 11. Qxa8
                                    Rf1 12. h7 Rf8 13. Qxf8+ Kxf8 14. h8=Q+
                                    Kf7 15. Qxe5 Kg6 16. Qxc5 (s=3)
?              13     2:30   8/39*  3. Bc1
White(3): ?
              time=2:31  cpu=190%  mat=-9  n=161694770  fh=94%  nps=1.07M
              ext-> chk=17722861 cap=251936 pp=784941 1rep=1526997 mate=103841
              predicted=0  nodes=161694770  evals=11037577
              endgame tablebase-> probes=0  hits=0
              SMP->  split=2465  stop=303  data=10/64  cpu=4:48  elap=2:31

White(3): Nf6+
              time used:   2:31



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