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Subject: WAC #146 -- not a good test position

Author: Mike Byrne

Date: 21:13:59 07/02/03


normal search identifies Bd3 and Bh3 as mates ....

White(1):[d] 8/8/2Kp4/3P1B2/2P2k2/5p2/8/8 w - - bm Bc8; id "WAC146";
White(1): st 120
search time set to 120.00.
White(1): go
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 2:00 (2:00)
              depth   time  score   variation (1)
                4     0.00     ++   1. Bh3!!
                4     0.00   2.62   1. Bh3 Kg3 2. Bf1 Kf2
                4->   0.00   2.62   1. Bh3 Kg3 2. Bf1 Kf2
                5     0.00   2.68   1. Bh3 Ke5 2. c5 dxc5 3. Kxc5
                5->   0.02   2.68   1. Bh3 Ke5 2. c5 dxc5 3. Kxc5
                6     0.02     --   1. Bh3
                6     0.02   2.27   1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4.
                                    cxd6
                6     0.04     ++   1. Bd3!!
                6     0.04   4.99   1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6
                6->   0.04   4.99   1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6
                7     0.05   5.35   1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 4.
                                    Bf1
                7->   0.07   5.35   1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 4.
                                    Bf1
                8     0.08   5.45   1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 4.
                                    Bf1 Kf7
                8->   0.10   5.45   1. Bd3 Ke5 2. c5 f2 3. cxd6 Kf6 4.
                                    Bf1 Kf7
                9     0.10     ++   1. Bd3!!
                9     0.11   6.89   1. Bd3 Ke5 2. c5 Kf6 3. Kxd6 Kf7 4.
                                    c6 Ke8 5. Bf5
                9->   0.15   6.89   1. Bd3 Ke5 2. c5 Kf6 3. Kxd6 Kf7 4.
                                    c6 Ke8 5. Bf5
               10     0.15     ++   1. Bd3!!
               10     0.25  11.30   1. Bd3 Ke3 2. Bf1 Kd4 3. Kxd6 Kc3 4.
                                    c5 Kd2 5. c6 Ke3
               10->   0.25  11.30   1. Bd3 Ke3 2. Bf1 Kd4 3. Kxd6 Kc3 4.
                                    c5 Kd2 5. c6 Ke3
               11     0.30  11.68   1. Bd3 Ke3 2. Bf1 Kd4 3. Kxd6 Kc3 4.
                                    Kc7 Kd2 5. d6 Ke3 6. d7
               11     0.41  11.69   1. Bh3 Kg3 2. Bf1 Kf4 3. Kxd6 Ke4 4.
                                    c5 Kd4 5. Ke6 Ke3 6. d6 <HT>
               11->   0.41  11.69   1. Bh3 Kg3 2. Bf1 Kf4 3. Kxd6 Ke4 4.
                                    c5 Kd4 5. Ke6 Ke3 6. d6 <HT> (s=2)
               12     0.50  11.82   1. Bh3 Kg3 2. Bf1 Kf4 3. Kxd6 Ke4 4.
                                    c5 Kd4 5. c6 Ke3 6. c7 Ke4
               12     0.57     ++   1. Bd3!!
               12     3.11  17.81   1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4.
                                    d7 Kd4 5. d8=Q Ke3 6. Bf1 <HT>
               12->   3.11  17.81   1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4.
                                    d7 Kd4 5. d8=Q Ke3 6. Bf1 <HT>
               13     3.36     ++   1. Bd3!!
               13     3.94  19.43   1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4.
                                    d7 Kd4 5. d8=Q Ke3 6. Qf8 Kd4 7. d6
               13->   3.96  19.43   1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4.
                                    d7 Kd4 5. d8=Q Ke3 6. Qf8 Kd4 7. d6
               14     6.05  19.74   1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4.
                                    d7 Kd4 5. d8=Q Ke3 6. Qb6+ Kf4 7. Qd4+
                                    Kg3 8. Qg7+ Kf4 9. d6
               14->   6.10  19.74   1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke3 4.
                                    d7 Kd4 5. d8=Q Ke3 6. Qb6+ Kf4 7. Qd4+
                                    Kg3 8. Qg7+ Kf4 9. d6
               15     6.18     ++   1. Bd3!!
               15    28.61  Mat51   1. Bd3 Ke3 2. c5 Kxd3 3. cxd6 <EGTB>
               15    49.68  Mat44   1. Bh3 Kg3 2. Bf1 Kf4 3. c5 Kf5 4.
                                    cxd6 Ke4 5. d7 Kd4 6. Be2 f2 7. Bd3
                                    Kxd3 <HT>
               15->  49.68  Mat44   1. Bh3 Kg3 2. Bf1 Kf4 3. c5 Kf5 4.
                                    cxd6 Ke4 5. d7 Kd4 6. Be2 f2 7. Bd3
                                    Kxd3 <HT> (s=2)
               16    51.18  Mat41   1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4.
                                    cxd6 <EGTB>
               16->  52.94  Mat41   1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4.
                                    cxd6 <EGTB> (s=2)
               17    55.13  Mat41   1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4.
                                    cxd6 <EGTB>
               17->  59.85  Mat41   1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4.
                                    cxd6 <EGTB> (s=4)
               18     1:02  Mat41   1. Bh3 Kg3 2. Bf1 Kf2 3. c5 Kxf1 4.
                                    cxd6 <EGTB> (s=3)
               18     1:08     ++   1. Bc8!!
              time=2:00  cpu=104%  mat=3  n=71443260  fh=98%  nps=595k
              ext-> chk=8546017 cap=30316 pp=489664 1rep=344798 mate=6
              predicted=0  nodes=71443260  evals=20390716
              endgame tablebase-> probes done=30543  successful=30543
              SMP->  split=1245  stop=112  data=8/32  cpu=2:05  elap=2:00



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