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Subject: Re: 2 hours a position

Author: Slater Wold

Date: 13:37:18 11/10/01

Go up one level in this thread


On November 10, 2001 at 00:23:30, Dann Corbit wrote:


>[D]r2r2k1/1R2qp2/p5pp/2P5/b1PN1b2/P7/1Q3PPP/1B1R2K1 b - -
>[D]r2r2k1/1R3p2/p5pp/2P1q3/b1PN1b2/P7/1Q3PPP/1B1R2K1 w - -
>[D]1r1r2k1/1R2qp2/p5pp/2P5/b1PN1b2/P7/1Q3PPP/1B1R2K1 w - -

The short version:

r2r2k1/1R2qp2/p5pp/2P5/b1PN1b2/P7/1Q3PPP/1B1R2K1 b - - acd 17; acn -1884112396;
acs 7205; bm Rab8; ce 395; id "Corbit-Question1"; pv Rab8 Rxe7 Rxb2 Rf1 Rxd4 Re4
Rbd2 g3 Bb8 Re7 Bc6 Bxg6 fxg6 Re6 Bd7 Rxg6+ Kf7 Rb6;
r2r2k1/1R3p2/p5pp/2P1q3/b1PN1b2/P7/1Q3PPP/1B1R2K1 w - - acd 16; acn -648315288;
acs 7204; bm Bc2; ce -349; id "Corbit-Question2"; pv Bc2 Bxc2 Qxc2 Rxd4 g3 Rad8
Rf1 Rd2 Qb1 Qe2 Qe1 Qf3 Re7 Bg5 Qe4 Qxa3;
1r1r2k1/1R2qp2/p5pp/2P5/b1PN1b2/P7/1Q3PPP/1B1R2K1 w - - acd 19; acn 2128444622;
acs 7201; bm Rxe7; ce -455; id "Corbit-Question3"; pv Rxe7 Rxb2 Rf1 Rxd4 Re4
Rbd2 g3 Bg5 Rfe1 Bf6 R4e3 a5 Rf3 Kg7 Rc3 Rd7 Rf3 Bd4 Be4 Bxc5;


The long version:

max threads set to 2
hash table memory = 768M bytes.
pawn hash table memory = 80M bytes.
choose from 2 best moves.
6 piece tablebase files found
26330kb of RAM used for TB indices and decompression tables
EGTB cache memory = 32M bytes.


Crafty v18.13 (2 cpus)

White(1): st 7200
search time set to 7200.00.
White(1): epdpfga corbit.epd corbit.out
PFGA: EPD record: 1   ID: Corbit-Question1
middle-game phase
              clearing hash tables
              time surplus   0.00  time limit 120:00 (120:00)
         nss  depth   time  score   variation (1)
starting thread 1
                6     0.17  -2.49   1. ... Qe5 2. Bc2 Bxc2 3. Qxc2 Rxd4
                                    4. g3 Rxd1+ 5. Qxd1 Qg5
         (2)    6->   0.22  -2.49   1. ... Qe5 2. Bc2 Bxc2 3. Qxc2 Rxd4
                                    4. g3 Rxd1+ 5. Qxd1 Qg5
                7     0.27     --   1. ... Qe5
                7     0.33  -2.06   1. ... Qe5 2. Bc2 Bxc2 3. Qxc2 Rxd4
                                    4. g3 Rxd1+ 5. Qxd1 Qg5 6. c6
                7     0.46  -2.32   1. ... Rxd4 2. Qxd4 Qxb7 3. Re1 Re8
                                    4. Rxe8+ Bxe8 5. Bxg6 Bxh2+ 6. Kxh2
                                    fxg6
                7     0.69     ++   1. ... Rab8!!
                7     0.75  -2.96   1. ... Rab8 2. Rxe7 Rxb2 3. Rde1 Rxd4
                                    4. g3 Bd2
         (4)    7->   0.75  -2.96   1. ... Rab8 2. Rxe7 Rxb2 3. Rde1 Rxd4
                                    4. g3 Bd2
                8     0.92     ++   1. ... Rab8!!
         (3)    8     1.10  -3.58   1. ... Rab8 2. Rxe7 Rxb2 3. Rde1 Rxd4
                                    4. Be4 Bd2 5. Re2 Rxc4
                8->   1.39  -3.58   1. ... Rab8 2. Rxe7 Rxb2 3. Rde1 Rxd4
                                    4. Be4 Bd2 5. Re2 Rxc4
                9     1.80  -3.56   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rxe4 5. Bxe4 Re2 6. f3
         (2)    9->   2.71  -3.56   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rxe4 5. Bxe4 Re2 6. f3
               10     3.56  -3.61   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rxe4 5. Bxe4 Re2 6. Bf3 Rd2
         (2)   10->   6.27  -3.61   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rxe4 5. Bxe4 Re2 6. Bf3 Rd2
               11     7.69  -3.30   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rxe4 5. Bxe4 Re2 6. Bf3 Ra2
                                    7. Bb7
         (4)   11->  16.81  -3.30   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rxe4 5. Bxe4 Re2 6. Bf3 Ra2
                                    7. Bb7
         (3)   12    20.39  -3.46   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rxe4 5. Bxe4 Re2 6. Bf3 Rd2
                                    7. g3 Be5
         (4)   12->  42.00  -3.46   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rxe4 5. Bxe4 Re2 6. Bf3 Rd2
                                    7. g3 Be5
         (3)   13    50.38  -3.55   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. g3 Bg5 6. Rfe1 Rd1 7.
                                    Rf1 Bc6 8. Rxd1 Rxd1+
         (4)   13->   1:53  -3.55   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. g3 Bg5 6. Rfe1 Rd1 7.
                                    Rf1 Bc6 8. Rxd1 Rxd1+
         (3)   14     2:14  -3.67   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. g3 Bc7 6. Re7 Ba5 7.
                                    Re4 Bc6 8. Rxd4 Rxd4
         (4)   14->   4:47  -3.67   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. g3 Bc7 6. Re7 Ba5 7.
                                    Re4 Bc6 8. Rxd4 Rxd4
         (3)   15     5:42  -3.88   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. Rfe1 Bc6 6. Rxd4 Rxd4
                                    7. g3 Bd2 8. Re7 Rxc4 9. Bd3
         (4)   15->  14:26  -3.88   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. Rfe1 Bc6 6. Rxd4 Rxd4
                                    7. g3 Bd2 8. Re7 Rxc4 9. Bd3
         (3)   16    16:53  -4.02   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. g3 Bb8 6. Re7 Bc6 7.
                                    Bxg6 fxg6 8. Re6 Bd7 9. Rxg6+ Kf7 10.
                                    Rxh6 Rxc4
         (4)   16->  43:43  -4.02   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. g3 Bb8 6. Re7 Bc6 7.
                                    Bxg6 fxg6 8. Re6 Bd7 9. Rxg6+ Kf7 10.
                                    Rxh6 Rxc4
         (3)   17    48:41  -3.95   1. ... Rab8 2. Rxe7 Rxb2 3. Rf1 Rxd4
                                    4. Re4 Rbd2 5. g3 Bb8 6. Re7 Bc6 7.
                                    Bxg6 fxg6 8. Re6 Bd7 9. Rxg6+ Kf7 10.
                                    Rb6
              time=120:01  cpu=200%  mat=2  n=2410854900  fh=93%  nps=334k
              ext-> chk=732474797 cap=18700422 pp=4500100 1rep=64305645
mate=4930458
              predicted=0  nodes=2410854900  evals=2400450405
              endgame tablebase-> probes done=0  successful=0
              hashing-> trans/ref=25%  pawn=99%  used=14%
              SMP->  split=3239  stop=478  data=11/32  cpu=240:52  elap=120:01
PFGA: EPD record: 2   ID: Corbit-Question2
              clearing hash tables
              time surplus   0.00  time limit 120:00 (120:00) [easy move]
         nss  depth   time  score   variation (1)
                2     0.00 -Mat01   1. Rd3 Qe1#
                2     0.00  -2.41   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. Rxd4 Qxd4
                6     0.10  -2.06   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Rxd1+
                                    4. Qxd1 Qe4 5. Qd7
                6->   0.13  -2.06   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Rxd1+
                                    4. Qxd1 Qe4 5. Qd7
                7     0.14     --   1. Bc2
                7     0.22  -2.60   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qb1 Rxd1+ 5. Qxd1 Rb8 6. Rxb8+ <HT>
                7->   0.35  -2.60   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qb1 Rxd1+ 5. Qxd1 Rb8 6. Rxb8+ <HT>
                8     0.47  -2.41   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qb1 Rxd1+ 5. Qxd1 Rb8 6. c6
                8->   0.74  -2.41   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qb1 Rxd1+ 5. Qxd1 Rb8 6. c6
                9     1.10  -2.40   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qe2 Qe6 5. Re1 Qc6
                9->   1.72  -2.40   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qe2 Qe6 5. Re1 Qc6
               10     2.57  -2.33   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qe2 Qe6 5. Re1 Qxe2 6. Rxe2 Rb8
                                    7. Rxb8+ Bxb8
               10->   3.94  -2.33   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qe2 Qe6 5. Re1 Qxe2 6. Rxe2 Rb8
                                    7. Rxb8+ Bxb8
               11     5.61  -2.43   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qe2 Qe6 5. Qf3 Rxd1+ 6. Qxd1 Be5
                                    7. f4 Rb8 8. Rxb8+ Bxb8
         (2)   11->   9.79  -2.43   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Qf5
                                    4. Qe2 Qe6 5. Qf3 Rxd1+ 6. Qxd1 Be5
                                    7. f4 Rb8 8. Rxb8+ Bxb8
               12    16.44  -2.34   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Bg5
                                    4. c6 Qf5 5. Qa4 Rd2 6. Rxd2 Bxd2 7.
                                    Rd7 Bc3
         (2)   12->  33.50  -2.34   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Bg5
                                    4. c6 Qf5 5. Qa4 Rd2 6. Rxd2 Bxd2 7.
                                    Rd7 Bc3
               13    38.94     --   1. Bc2
               13     1:17  -3.01   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Rad8
                                    4. Rf1 Qe6 5. Rb6 Qg4 6. h3 Qg5 7.
                                    Rxa6 Rd2
         (3)   13->   3:17  -3.01   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Rad8
                                    4. Rf1 Qe6 5. Rb6 Qg4 6. h3 Qg5 7.
                                    Rxa6 Rd2
         (2)   14     3:55  -2.98   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Rad8
                                    4. Rf1 Bg5 5. c6 Qc5 6. c7 Rc8 7. h4
                                    Bf6 8. Qa4 Rxc7 9. Rxc7 Qxc7 10. Qxa6
         (4)   14->   6:59  -2.98   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Rad8
                                    4. Rf1 Bg5 5. c6 Qc5 6. c7 Rc8 7. h4
                                    Bf6 8. Qa4 Rxc7 9. Rxc7 Qxc7 10. Qxa6
               15     7:27     --   1. Bc2
         (3)   15    26:33  -3.49   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Rad8
                                    4. Rf1 Rd2 5. Qb1 Qe2 6. Qe1 Qf3 7.
                                    Re7 Bg5 8. Qe4 Qxa3
               15->  39:42  -3.49   1. Bc2 Bxc2 2. Qxc2 Rxd4 3. g3 Rad8
                                    4. Rf1 Rd2 5. Qb1 Qe2 6. Qe1 Qf3 7.
                                    Re7 Bg5 8. Qe4 Qxa3
               16    40:44     --   1. Bc2
              time=120:01  cpu=199%  mat=2  n=3646652008  fh=97%  nps=506k
              ext-> chk=1172314596 cap=15516845 pp=21076518 1rep=147781111
mate=2239309
              predicted=0  nodes=3646652008  evals=1116645551
              endgame tablebase-> probes done=0  successful=0
              hashing-> trans/ref=33%  pawn=99%  used=14%
              SMP->  split=5998  stop=588  data=14/32  cpu=239:59  elap=120:01
PFGA: EPD record: 3   ID: Corbit-Question3
              time surplus   0.00  time limit 120:00 (120:00)
         nss  depth   time  score   variation (1)
         (4)    6->   0.11  -2.96   1. Rxe7 Rxb2 2. Rde1 Rxd4 3. g3 Bd2
                7     0.13     --   1. Rxe7
         (3)    7     0.14  -3.58   1. Rxe7 Rxb2 2. Rde1 Rxd4 3. Be4 Bd2
                                    4. Re2 Rxc4
         (4)    7->   0.32  -3.58   1. Rxe7 Rxb2 2. Rde1 Rxd4 3. Be4 Bd2
                                    4. Re2 Rxc4
         (3)    8     0.38  -3.56   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rxe4
                                    4. Bxe4 Re2 5. f3
         (4)    8->   0.75  -3.56   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rxe4
                                    4. Bxe4 Re2 5. f3
         (3)    9     0.86  -3.61   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rxe4
                                    4. Bxe4 Re2 5. Bf3 Rd2
         (4)    9->   1.61  -3.61   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rxe4
                                    4. Bxe4 Re2 5. Bf3 Rd2
         (3)   10     1.83  -3.30   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rxe4
                                    4. Bxe4 Re2 5. Bf3 Ra2 6. Bb7
         (3)   10->   3.03  -3.30   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rxe4
                                    4. Bxe4 Re2 5. Bf3 Ra2 6. Bb7
         (2)   11     3.50  -3.46   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rxe4
                                    4. Bxe4 Re2 5. Bf3 Rd2 6. g3 Be5
         (3)   11->   6.57  -3.46   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rxe4
                                    4. Bxe4 Re2 5. Bf3 Rd2 6. g3 Be5
         (2)   12     7.85  -3.55   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bg5 5. Rfe1 Rd1 6. Rf1 Bc6 7.
                                    Rxd1 Rxd1+
         (3)   12->  14.74  -3.55   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bg5 5. Rfe1 Rd1 6. Rf1 Bc6 7.
                                    Rxd1 Rxd1+
         (2)   13    17.16  -3.67   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bc7 5. Re7 Ba5 6. Re4 Bc6 7.
                                    Rxd4 Rxd4
         (4)   13->  34.55  -3.67   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bc7 5. Re7 Ba5 6. Re4 Bc6 7.
                                    Rxd4 Rxd4
         (3)   14    41.07  -3.88   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. Rfe1 Bc6 5. Rxd4 Rxd4 6. g3 Bd2
                                    7. Re7 Rxc4 8. Bd3
         (4)   14->   1:25  -3.88   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. Rfe1 Bc6 5. Rxd4 Rxd4 6. g3 Bd2
                                    7. Re7 Rxc4 8. Bd3
         (3)   15     1:43  -4.02   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bb8 5. Re7 Bc6 6. Bxg6 fxg6 7.
                                    Re6 Bd7 8. Rxg6+ Kf7 9. Rxh6 Rxc4
         (3)   15->   3:40  -4.02   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bb8 5. Re7 Bc6 6. Bxg6 fxg6 7.
                                    Re6 Bd7 8. Rxg6+ Kf7 9. Rxh6 Rxc4
         (2)   16     4:13  -3.95   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bb8 5. Re7 Bc6 6. Bxg6 fxg6 7.
                                    Re6 Bd7 8. Rxg6+ Kf7 9. Rb6
         (4)   16->   7:43  -3.95   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bb8 5. Re7 Bc6 6. Bxg6 fxg6 7.
                                    Re6 Bd7 8. Rxg6+ Kf7 9. Rb6
         (3)   17     9:34  -4.19   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bg5 5. Rxd4 Rxd4 6. Re1 Rxc4
                                    7. f4 Bf6 8. Bd3 Rxc5 9. Bxa6 Rc2
         (4)   17->  21:50  -4.19   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bg5 5. Rxd4 Rxd4 6. Re1 Rxc4
                                    7. f4 Bf6 8. Bd3 Rxc5 9. Bxa6 Rc2
         (3)   18    25:32  -4.18   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bg5 5. Rxd4 Rxd4 6. Re1 Rxc4
                                    7. f4 Bf6 8. Bd3 Rxc5 9. Bxa6 Rc3 10.
                                    Ra1
         (3)   18->  49:07  -4.18   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bg5 5. Rxd4 Rxd4 6. Re1 Rxc4
                                    7. f4 Bf6 8. Bd3 Rxc5 9. Bxa6 Rc3 10.
                                    Ra1
         (2)   19    65:41  -4.55   1. Rxe7 Rxb2 2. Rf1 Rxd4 3. Re4 Rbd2
                                    4. g3 Bg5 5. Rfe1 Bf6 6. R4e3 a5 7.
                                    Rf3 Kg7 8. Rc3 Rd7 9. Rf3 Bd4 10. Be4
                                    Bxc5
              time=120:01  cpu=199%  mat=2  n=2128444622  fh=91%  nps=295k
              ext-> chk=508501093 cap=19866861 pp=22533953 1rep=54288298
mate=5926822
              predicted=0  nodes=2128444622  evals=3390118556
              endgame tablebase-> probes done=0  successful=0
              hashing-> trans/ref=26%  pawn=99%  used=14%
              SMP->  split=4659  stop=739  data=11/32  cpu=239:59  elap=120:01
White(1): end
execution complete.

This was the Leiden version of Crafty.



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