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Subject: Re: Aristarch 4.50 blunders in a won position?!

Author: Mike Byrne

Date: 16:12:30 11/15/04

Go up one level in this thread


Crafty Classic 2004 SE PB [Standard] (2 cpus)
SE code disabled

White(1): st 420
Black(1): [d] 8/2n2r2/2PQ4/P2P2pk/3P3p/1q5P/1P4PK/4R3 w
White(1): g
              clearing hash tables
              time surplus   0.00  time limit 7:00 (7:00)
              depth   time  score   variation (1)
starting thread 1
                6->   0.09   3.05   1. Qe5 Qxd5 2. Qxd5 Nxd5 3. Re5 Nc7
                                    4. b4 (s=2)
                7     0.11     -1   1. Qe5
                7     0.12   2.65   1. Qe5 Qxd5 2. Qxd5 Nxd5 3. Re5 Nc7
                                    4. b4 Rf2
                7     0.34   2.71   1. a6 Nxa6 2. Qe5 Kg6 3. d6 Qxb2 4.
                                    c7 Qc2
                7->   0.44   2.71   1. a6 Nxa6 2. Qe5 Kg6 3. d6 Qxb2 4.
                                    c7 Qc2
                8     0.59     -1   1. a6
                8     0.66   2.28   1. a6 Qxd5 2. Qxd5 Nxd5 3. Rc1 Ra7
                                    4. b4 Nc7 5. b5 Nxb5
                8     1.11     +1   1. Qe5!!
                8     1.22   3.22   1. Qe5 Qxd5 2. Qh8+ Kg6 3. Qg8+ Rg7
                                    4. Qxd5 Nxd5 5. Re5 Nc7 6. b4
                8->   1.28   3.22   1. Qe5 Qxd5 2. Qh8+ Kg6 3. Qg8+ Rg7
                                    4. Qxd5 Nxd5 5. Re5 Nc7 6. b4 (s=4)
                9     1.45   3.33   1. Qe5 Qxd5 2. Qh8+ Kg6 3. Qg8+ Rg7
                                    4. Qxd5 Nxd5 5. Re6+ Nf6 6. b4 Kf5
                                    7. Re3 (s=3)
                9->   2.33   3.33   1. Qe5 Qxd5 2. Qh8+ Kg6 3. Qg8+ Rg7
                                    4. Qxd5 Nxd5 5. Re6+ Nf6 6. b4 Kf5
                                    7. Re3 (s=4)
               10     2.83   3.07   1. Qe5 Qxd5 2. Qh8+ Kg6 3. Qg8+ Rg7
                                    4. Qxd5 Nxd5 5. Re5 Nb4 6. d5 Rc7 7.
                                    g3 (s=3)
               10->   5.19   3.07   1. Qe5 Qxd5 2. Qh8+ Kg6 3. Qg8+ Rg7
                                    4. Qxd5 Nxd5 5. Re5 Nb4 6. d5 Rc7 7.
                                    g3 (s=5)
               11     5.89   3.10   1. Qe5 Qxd5 2. Qh8+ Kg6 3. Qg8+ Rg7
                                    4. Qxd5 Nxd5 5. Re6+ Kh7 6. Rd6 Nb4
                                    7. d5 Rf7 8. Rd7 (s=4)
               11    24.33   3.45   1. a6 Nxd5 2. Qe6 Qg3+ 3. Kh1 Qf2 4.
                                    Qg4+ Kh6 5. Re6+ Nf6 6. Qf3 Qxd4 7.
                                    c7 g4 8. Qxg4 Qxg4 9. hxg4
               11->  24.33   3.45   1. a6 Nxd5 2. Qe6 Qg3+ 3. Kh1 Qf2 4.
                                    Qg4+ Kh6 5. Re6+ Nf6 6. Qf3 Qxd4 7.
                                    c7 g4 8. Qxg4 Qxg4 9. hxg4
               12    45.62   3.45   1. a6 Nxd5 2. Re6 Rh7 3. Qd8 Nc7 4.
                                    Qg8 Qg3+ 5. Kg1 Qd3 6. Re5 Qg6 7. Qxg6+
                                    Kxg6 8. a7 Na8 9. Ra5
               12->   1:13   3.45   1. a6 Nxd5 2. Re6 Rh7 3. Qd8 Nc7 4.
                                    Qg8 Qg3+ 5. Kg1 Qd3 6. Re5 Qg6 7. Qxg6+
                                    Kxg6 8. a7 Na8 9. Ra5 (s=2)
?              13     1:30   1/34*  1. a6
White(1): ?
              time=1:43  cpu=188%  mat=2  n=126653564  fh=90%  nps=1.22M
              ext-> chk=9343038 cap=272534 pp=2998406 1rep=1295633 mate=64084
              predicted=0  nodes=126653564  evals=26492121  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=1138  stop=170  data=5/128  cpu=3:15  elap=1:43

White(1): a6
              time used:   1:43

pv matches for several moves with Martin Baumung's analysis after 11 minutes

Black(1): undo
NOTICE: 60 moves to next time control
White(1): search Re3
White(1): g
              clearing hash tables
              time surplus   0.00  time limit 7:00 (7:00)
              depth   time  score   variation (1)
starting thread 1
                8     0.15  -2.39   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. e6 Ra7 5. Kg1 Rc7 6. a6 Rxc6
                8->   0.15  -2.39   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. e6 Ra7 5. Kg1 Rc7 6. a6 Rxc6
                9     0.50     -1   1. Re3
                9     0.75  -3.54   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. Kg1 Rc7 5. b3 Rxc6 6. Kf2 <HT>
                9->   0.75  -3.54   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. Kg1 Rc7 5. b3 Rxc6 6. Kf2 <HT>
               10     1.31  -3.82   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. Kg1 Rc7 5. b3 Rxc6 6. Kf2 Rc2+ 7.
                                    Kf3
               10->   1.31  -3.82   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. Kg1 Rc7 5. b3 Rxc6 6. Kf2 Rc2+ 7.
                                    Kf3
               11     1.65     -1   1. Re3
               11     3.50  -4.50   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. Kg1 Rc7 5. g3 hxg3 6. Kg2 Kh4 7.
                                    b4 Rxc6
               11->   3.50  -4.50   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. Kg1 Rc7 5. g3 hxg3 6. Kg2 Kh4 7.
                                    b4 Rxc6
               12    10.81  -4.86   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. b3 Rc7 5. g4+ Kg6 6. Kg2 Rxc6 7.
                                    Kf3 Ra6 8. b4 Nxb4
               12->  10.83  -4.86   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. b3 Rc7 5. g4+ Kg6 6. Kg2 Rxc6 7.
                                    Kf3 Ra6 8. b4 Nxb4
               13    47.12  -5.08   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. g4+ hxg3+ 5. Kxg3 Nb4 6. e6 Re7
                                    7. c7 Rxc7 8. b3 Re7 9. Kf3 Rxe6 10.
                                    Kg3
               13->  47.12  -5.08   1. Re3 Qxe3 2. Qe5 Qxe5+ 3. dxe5 Nxd5
                                    4. g4+ hxg3+ 5. Kxg3 Nb4 6. e6 Re7
                                    7. c7 Rxc7 8. b3 Re7 9. Kf3 Rxe6 10.
                                    Kg3
?              14     1:00   1/34*  1. Re3
White(1): ?
              time=1:00  cpu=705619%  mat=2  n=91928121  fh=98%  nps=1.51M
              ext-> chk=5294034 cap=190024 pp=4333891 1rep=338975 mate=4254
              predicted=0  nodes=91928121  evals=19516606  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=855  stop=56  data=6/128  cpu=715823:24  elap=1:00

White(1): Re3
              time used:   1:00
Black(1):

comapre to Martin Baumung's

14/34	02:19	  76.940.539	553.664	-5,40	1.Te1e3 Db3xe3 2.Dd6e5 De3xe5+ 3.d4xe5
Sc7xd5 4.g2g4+ h4xg3/ep+ 5.Kh2xg3 Tf7c7 6.Kg3f3 Tc7xc6 7.Kf3e4 Sd5b4 8.Ke4f5
Tc6c5 9.h3h4 g5xh4




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