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Subject: Yet more stuff on WAC 230

Author: Dann Corbit

Date: 19:54:06 04/19/01


M:\>type foo.epd
2b5/8/3Bp1p1/1k1pP1P1/p1pP4/1p4K1/1R3P2/8 w - - id "WAC.230 after Rb4 cxb4 a4
b5+ Kxb5";

M:\>type log.014
book file enabled.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
threshold set to 9 pawns.
4 piece tablebase files found
3358kb of RAM used for TB indices and decompression tables

Crafty v18.9 (2 cpus)

White(1): st 200000
search time set to 200000.00.
White(1): epdpfga foo.epd foo.out
PFGA: EPD record: 1   ID: WAC.230 after Rb4 cxb4 a4 b5+ Kxb5
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 3333:20 (3333:20)
         nss  depth   time  score   variation (1)
starting thread 1
                9     0.14  -1.14   1. Rb1 c3 2. Ba3 Kc4 3. Rd1 b2 4. Rb1
                                    Kb3 5. Bxb2 cxb2 6. Kf4 <HT>
                9->   0.19  -1.14   1. Rb1 c3 2. Ba3 Kc4 3. Rd1 b2 4. Rb1
                                    Kb3 5. Bxb2 cxb2 6. Kf4 <HT>
               10     0.31     --   1. Rb1
               10     0.44  -1.69   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rc1 Kd3 5. Rd1+ Kc4 6. f3
               10->   0.52  -1.69   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rc1 Kd3 5. Rd1+ Kc4 6. f3
               11     0.56     ++   1. Rb1!!
               11->   0.91  -1.30   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rc1 Kd3 5. Rd1+ Kc4 6. f3
               12     2.08     --   1. Rb1
               12     3.36  -2.11   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rh1 Kd3 5. Rh3+ Kd2 6. Rh1 Bd7 7. f3
               12->   3.89  -2.11   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rh1 Kd3 5. Rh3+ Kd2 6. Rh1 Bd7 7. f3
               13     6.24  -2.07   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rh1 Kd3 5. Rh3+ Kd2 6. Rh1 Bd7 7. Rh6
                                    Be8
               13->   7.34  -2.07   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rh1 Kd3 5. Rh3+ Kd2 6. Rh1 Bd7 7. Rh6
                                    Be8
               14    15.27  -2.13   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rh1 Kd3 5. Rh3+ Kd2 6. Bc1+ Kc2 7.
                                    Be3 b2 8. Bd4 b1=Q 9. Rxc3+ Kd2 10.
                                    Rxc8
               14->  18.09  -2.13   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    Rh1 Kd3 5. Rh3+ Kd2 6. Bc1+ Kc2 7.
                                    Be3 b2 8. Bd4 b1=Q 9. Rxc3+ Kd2 10.
                                    Rxc8
               15    37.56  -2.15   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    f3 Kd3 5. Rd1+ Kc2 6. Rc1+ Kd2 7. Rh1
                                    Bd7 8. Bc1+ Kc2 9. Rh7 Kxc1 10. Rxd7
               15->  45.02  -2.15   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    f3 Kd3 5. Rd1+ Kc2 6. Rc1+ Kd2 7. Rh1
                                    Bd7 8. Bc1+ Kc2 9. Rh7 Kxc1 10. Rxd7
               16     1:50     --   1. Rb1
               16     1:50  -2.50   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    f3 Kd3 5. Rd1+ Kc2 6. Rc1+ Kd2 7. Rh1
                                    b2 8. Rf1 Kc2 <HT>
         (4)   16->   2:13  -2.50   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    f3 Kd3 5. Rd1+ Kc2 6. Rc1+ Kd2 7. Rh1
                                    b2 8. Rf1 Kc2 <HT>
         (3)   17     4:49  -2.62   1. Rb1 c3 2. Ba3 Kc4 3. Kf4 Kxd4 4.
                                    f3 Kd3 5. Rd1+ Kc4 6. Rc1 d4 7. Kg4
                                    Ba6 8. Kf4 Kd5 9. Bd6 Be2
               17     5:41  -2.24   1. Re2 c3 2. Ba3 Kc4 3. f4 Kxd4 4.
                                    f5 exf5 5. e6 Kd3 6. Re5 Kc4 7. Kf4
                                    Bxe6 8. Rxe6 d4 9. Rc6+ Kd5 10. Rxg6
         (4)   17->   5:54  -2.24   1. Re2 c3 2. Ba3 Kc4 3. f4 Kxd4 4.
                                    f5 exf5 5. e6 Kd3 6. Re5 Kc4 7. Kf4
                                    Bxe6 8. Rxe6 d4 9. Rc6+ Kd5 10. Rxg6
               18     8:01     --   1. Re2
         (3)   18    10:14  -2.77   1. Re2 c3 2. Ba3 Kc4 3. f4 Kxd4 4.
                                    f5 exf5 5. e6 Kd3 6. e7 Bd7 7. e8=Q
                                    Bxe8 8. Rxe8 d4 9. Re6 Kc4 10. Bb2
         (3)   18->  19:06  -2.77   1. Re2 c3 2. Ba3 Kc4 3. f4 Kxd4 4.
                                    f5 exf5 5. e6 Kd3 6. e7 Bd7 7. e8=Q
                                    Bxe8 8. Rxe8 d4 9. Re6 Kc4 10. Bb2
         (2)   19    24:01  -2.58   1. Re2 c3 2. Ba3 Kc4 3. f4 Kd3 4. Kf3
                                    Kxd4 5. f5 exf5 6. e6 Kd3 7. Re1 d4
                                    8. Kf2 Kc4 9. e7 Bd7 <HT>
         (3)   19->  45:18  -2.58   1. Re2 c3 2. Ba3 Kc4 3. f4 Kd3 4. Kf3
                                    Kxd4 5. f5 exf5 6. e6 Kd3 7. Re1 d4
                                    8. Kf2 Kc4 9. e7 Bd7 <HT>
         (2)   20    83:17  -2.33   1. Re2 c3 2. Ba3 Kc4 3. f4 Kd3 4. Kf3
                                    Kxd4 5. f5 exf5 6. e6 Kd3 7. Re3+ Kc4
                                    8. e7 Bd7 9. Re6 Be8 10. Rb6 d4 11.
                                    Rb8 Bc6+ 12. Kf4
         (2)   20-> 150:57  -2.33   1. Re2 c3 2. Ba3 Kc4 3. f4 Kd3 4. Kf3
                                    Kxd4 5. f5 exf5 6. e6 Kd3 7. Re3+ Kc4
                                    8. e7 Bd7 9. Re6 Be8 10. Rb6 d4 11.
                                    Rb8 Bc6+ 12. Kf4
               21   189:44  -2.12   1. Re2 c3 2. Ba3 Kc4 3. f4 Kd3 4. Kf3
                                    Kxd4 5. f5 Ba6 6. Re1 exf5 7. Kf4 Bb5
                                    8. e6 Be8 9. Rh1 Bb5 <HT>
         (3)   21-> 390:36  -2.12   1. Re2 c3 2. Ba3 Kc4 3. f4 Kd3 4. Kf3
                                    Kxd4 5. f5 Ba6 6. Re1 exf5 7. Kf4 Bb5
                                    8. e6 Be8 9. Rh1 Bb5 <HT>
         (2)   22   558:20  -2.13   1. Re2 c3 2. Ba3 Kc4 3. f4 Kd3 4. Kf3
                                    Kxd4 5. f5 exf5 6. e6 Kd3 7. e7 Bd7
                                    8. Re3+ Kc2 9. Re2+ Kb1 10. e8=Q Bxe8
                                    11. Rxe8 Ka2 12. Rg8 b2 13. Bxb2 cxb2

Still no clear cut answer, I'm afraid.



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