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Subject: Re: Few more tough ones ...

Author: Mike Byrne

Date: 01:27:28 07/30/02

Go up one level in this thread


Crafty SE 17.15 SE (available for free via email to mfbyrne_pa@msn.com) finds
the right move for both positions

Black(1): [D] r1b3k1/1pp1q1p1/1r5p/2nPpp2/p1P1p2P/2N1P3/PPQRBPP1/2K4R b - - bm
Nb3+; id
Black(1): go
              clearing hash tables
              time surplus  28.95  time limit 100:00 (100:00)
         nss  depth   time  score   variation (1)
                6->   0.17   0.07   1. ... a3 2. b3 Bd7 3. Kb1 Qd6 4. h5
                                    Rd8 <HT>
                7     0.28   0.01   1. ... a3 2. b3 Na6 3. Na4 Rg6 4. g3
                                    Nb4 5. Qc3
                7->   0.58   0.01   1. ... a3 2. b3 Na6 3. Na4 Rg6 4. g3
                                    Nb4 5. Qc3
                8     1.13  -0.04   1. ... a3 2. b3 Bd7 3. g4 fxg4 4. Nxe4
                                    Bf5 5. Bd3 Nxd3+ 6. Qxd3
                8->   2.28  -0.04   1. ... a3 2. b3 Bd7 3. g4 fxg4 4. Nxe4
                                    Bf5 5. Bd3 Nxd3+ 6. Qxd3
                9     2.92  -0.07   1. ... a3 2. b3 Bd7 3. h5 Qd6 4. Kb1
                                    Rd8 5. g4 Rb4 6. gxf5 Bxf5
                9->   5.55  -0.07   1. ... a3 2. b3 Bd7 3. h5 Qd6 4. Kb1
                                    Rd8 5. g4 Rb4 6. gxf5 Bxf5
               10     7.69  -0.11   1. ... a3 2. b3 Bd7 3. h5 Rd8 4. Kb1
                                    Qd6 5. g4 Nd3 6. Bxd3 <HT>
         (4)   10->  24.86  -0.11   1. ... a3 2. b3 Bd7 3. h5 Rd8 4. Kb1
                                    Qd6 5. g4 Nd3 6. Bxd3 <HT>
         (3)   11    28.92  -0.11   1. ... a3 2. b3 Bd7 3. h5 Rd8 4. Kb1
                                    Qd6 5. g4 Nd3 6. Bxd3 exd3 7. Qxd3
                                    fxg4
         (2)   11->  47.91  -0.11   1. ... a3 2. b3 Bd7 3. h5 Rd8 4. Kb1
                                    Qd6 5. g4 Nd3 6. Bxd3 exd3 7. Qxd3
                                    fxg4
               12    57.31  -0.12   1. ... a3 2. b3 Bd7 3. h5 Rd8 4. Kb1
                                    Na6 5. g4 Nb4 6. Qc1 fxg4 7. Nxe4 Bf5
               12     2:20     ++   1. ... Nb3+!!
               12->   2:55   0.27   1. ... Nb3+
               13     3:07     ++   1. ... Nb3+!!
Black(0): ?
              time=7:20  cpu=199%  mat=0  n=469553K  fh=89%  nps=1065K
              ext-> checks=13442298 recaps=1695478 pawns=2007920
              ext->  1rep=1112271 thrt:191599  pawn sac=1766169
              predicted=0  nodes=469553934  evals=0
              endgame tablebase-> probes done=0  successful=0
              SMP->  split=934  stop=133  data=8/64  cpu=14:40  elap=7:20


[D] r1r2k2/1q1n1p2/3PpPp1/4P2p/pbpN3R/2N3K1/1P2Q2P/3R4 w - -

White(1): go
              clearing hash tables
              time surplus   0.00  time limit 100:00 (100:00)
         nss  depth   time  score   variation (1)
                4     0.13  -0.39   1. Qe3 Ke8 2. Re1 Bc5 3. Qc1
         (2)    4->   0.15  -0.39   1. Qe3 Ke8 2. Re1 Bc5 3. Qc1
                5     0.19     --   1. Qe3
                5     0.21  -1.19   1. Qe3 Bxc3 2. Qh6+ Ke8 3. Qh8+ Nf8
                                    4. bxc3 Qd7
                5     0.25  -1.07   1. Ndb5 Rc5 2. Nc7 Rxe5 3. Qxc4 Re3+
                                    4. Kf4
                5     0.38  -0.79   1. Na2 a3 2. Nc2 Bxd6 3. exd6 axb2
                                    4. Nc3
         (2)    5->   0.49  -0.79   1. Na2 a3 2. Nc2 Bxd6 3. exd6 axb2
                                    4. Nc3
                6     0.61  -1.11   1. Na2 a3 2. Nxb4 Qxb4 3. bxa3 Rxa3+
                                    4. Kf4
                6     0.71     ++   1. Ndb5!!
                6     0.90  -0.63   1. Ndb5 Rc5 2. Rxc4 Rxe5 3. Re4 Rg5+
                                    4. Kh4 Rg4+ 5. Rxg4 hxg4
         (2)    6->   1.21  -0.63   1. Ndb5 Rc5 2. Rxc4 Rxe5 3. Re4 Rg5+
                                    4. Kh4 Rg4+ 5. Rxg4 hxg4
                7     1.40  -0.94   1. Ndb5 Rc5 2. Rxc4 Rxe5 3. Re4 Rxe4
                                    4. Nxe4 Qc6
                7     2.32  -0.79   1. Na2 a3 2. Nxb4 Qxb4 3. bxa3 Rxa3+
                                    4. Kg2 Qc5 5. Re4
                7->   3.90  -0.79   1. Na2 a3 2. Nxb4 Qxb4 3. bxa3 Rxa3+
                                    4. Kg2 Qc5 5. Re4
                8     4.97  -0.79   1. Na2 a3 2. Nxb4 Qxb4 3. bxa3 Rxa3+
                                    4. Kg2 Qc5 5. Re4 <HT>
                8     7.35  -0.77   1. Ndb5 Rc5 2. Nc7 Bxc3 3. bxc3 Rb8
                                    4. Rxc4 Rxe5 5. Qd3
                8    15.13     ++   1. Rxh5!!
                8    18.00  -0.09   1. Rxh5 gxh5 2. Qxh5 Nxf6 3. Qh6+ Ke8
                                    4. Qxf6 Rd8 5. Nc6 Rxd6 6. exd6 Qxc6
         (2)    8->  19.05  -0.09   1. Rxh5 gxh5 2. Qxh5 Nxf6 3. Qh6+ Ke8
                                    4. Qxf6 Rd8 5. Nc6 Rxd6 6. exd6 Qxc6
                9    26.25   0.00   1. Rxh5 gxh5 2. Qxh5 Nxf6 3. Qh6+ Ke8
                                    4. Qxf6 Bxc3 5. d7+ Qxd7 6. Qh8+ Ke7
                                    7. Qf6+ Ke8
         (2)    9->  40.00   0.00   1. Rxh5 gxh5 2. Qxh5 Nxf6 3. Qh6+ Ke8
                                    4. Qxf6 Bxc3 5. d7+ Qxd7 6. Qh8+ Ke7
                                    7. Qf6+ Ke8
               10     1:23     ++   1. Rxh5!!
White(1): ?
              time=3:45  cpu=199%  mat=-1  n=264783K  fh=90%  nps=1173K
              ext-> checks=15931832 recaps=1194483 pawns=1812299
              ext->  1rep=1359084 thrt:329807  pawn sac=595411
              predicted=0  nodes=264783150  evals=0
              endgame tablebase-> probes done=0  successful=0
              SMP->  split=1133  stop=227  data=9/64  cpu=7:30  elap=3:45



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