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Subject: Re: Nunn1 Rook ending - Final results

Author: Mike Byrne

Date: 21:21:38 09/06/02

Go up one level in this thread


Crafty 17.16 SE ..takes a while, but Crafty 17.16 finally moves off of a Rxc3

Black(1):[D] 8/1p6/p1p1k2p/5R1K/2P2PP1/2P3r1/8/8 b - - 0 14
Black(1): d

       +---+---+---+---+---+---+---+---+
    8  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    7  |   | *P|   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    6  | *P|   | *P|   | *K|   |   | *P|
       +---+---+---+---+---+---+---+---+
    5  |   |   |   |   |   | R |   | K |
       +---+---+---+---+---+---+---+---+
    4  |   |   | P |   |   | P | P |   |
       +---+---+---+---+---+---+---+---+
    3  |   |   | P |   |   |   | *R|   |
       +---+---+---+---+---+---+---+---+
    2  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
    1  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h

Black(1): go
end-game phase
              clearing hash tables
crafty is behind 32.0 on time, reducing by 1/96.
              time surplus   0.00  time limit 100:00 (100:00)
         nss  depth   time  score   variation (1)
                2->   0.02   0.78   1. ... Rh3+ 2. Kg6 Rxc3 3. Re5+ Kd6
                                    4. Kxh6 Rxc4
                3     0.02   0.61   1. ... Rh3+ 2. Kg6 Rxc3 3. Rf6+ Kd7
                                    4. Rf7+ Ke6 5. Rxb7 Rxc4
                3     0.02   0.76   1. ... Rxc3 2. Kxh6 Rxc4 3. Re5+
                3->   0.02   0.76   1. ... Rxc3 2. Kxh6 Rxc4 3. Re5+
                4     0.02   0.78   1. ... Rxc3 2. Kxh6 Rxc4 3. Re5+ Kd6
                4->   0.03   0.78   1. ... Rxc3 2. Kxh6 Rxc4 3. Re5+ Kd6
                5     0.03   0.99   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Re4
                                    4. g5
                5->   0.05   0.99   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Re4
                                    4. g5
                6     0.06   0.86   1. ... Rxc3 2. c5 Rg3 3. Re5+ Kf6 4.
                                    Rf5+ Ke7 5. Re5+ Kd7 6. Re4
                6->   0.08   0.86   1. ... Rxc3 2. c5 Rg3 3. Re5+ Kf6 4.
                                    Rf5+ Ke7 5. Re5+ Kd7 6. Re4
                7     0.11   0.90   1. ... Rxc3 2. c5 Rg3 3. Kh4 Rg2 4.
                                    Re5+ Kf6 5. Re4 <HT>
         (2)    7->   0.13   0.90   1. ... Rxc3 2. c5 Rg3 3. Kh4 Rg2 4.
                                    Re5+ Kf6 5. Re4 <HT>
                8     0.16   0.96   1. ... Rxc3 2. c5 Rg3 3. Kh4 Rg2 4.
                                    Re5+ Kf6 5. Rf5+ Kg6 6. Re5 Rf2
         (3)    8->   0.25   0.96   1. ... Rxc3 2. c5 Rg3 3. Kh4 Rg2 4.
                                    Re5+ Kf6 5. Rf5+ Kg6 6. Re5 Rf2
         (2)    9     0.33   0.86   1. ... Rxc3 2. Kxh6 Rxc4 3. Re5+ Kd7
                                    4. Kg5 b5 5. f5 Kd6 6. Re6+ Kd5
         (4)    9->   0.56   0.86   1. ... Rxc3 2. Kxh6 Rxc4 3. Re5+ Kd7
                                    4. Kg5 b5 5. f5 Kd6 6. Re6+ Kd5
         (3)   10     0.74   0.88   1. ... Rxc3 2. Kxh6 Rxc4 3. Re5+ Kd6
                                    4. Kg5 b5 5. Kf5 b4 6. g5 b3 7. g6
         (4)   10->   1.53   0.88   1. ... Rxc3 2. Kxh6 Rxc4 3. Re5+ Kd6
                                    4. Kg5 b5 5. Kf5 b4 6. g5 b3 7. g6
         (3)   11     2.17   0.55   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Ke7
                                    4. Kg7 b5 5. g5 Kd6 6. f5 Rg4 7. Rd8+
         (4)   11->   5.31   0.55   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Ke7
                                    4. Kg7 b5 5. g5 Kd6 6. f5 Rg4 7. Rd8+
         (3)   12     6.60   0.63   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Ke7
                                    4. Kg7 b6 5. g5 Kd7 6. f5 Rg4 7. g6
                                    a5
         (4)   12->  11.86   0.63   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Ke7
                                    4. Kg7 b6 5. g5 Kd7 6. f5 Rg4 7. g6
                                    a5
         (3)   13    19.61   0.37   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Ke7
                                    4. Kg7 Rd4 5. g5 Rd7 6. g6 a5 7. Ra8
                                    Rd4 8. f5
         (2)   13->  41.63   0.37   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Ke7
                                    4. Kg7 Rd4 5. g5 Rd7 6. g6 a5 7. Ra8
                                    Rd4 8. f5
               14    54.30   0.13   1. ... Rxc3 2. Kxh6 Rxc4 3. Rf8 Ke7
                                    4. Kg7 b5 5. g5 Re4 6. f5 Kd7 7. Ra8
                                    Rg4 8. Kf6 Ra4
               14     3:08   0.25   1. ... Ke7 2. g5 hxg5 3. fxg5 Ke6 4.
                                    Rf6+ Ke5 5. Rf7 b5 6. g6 Rxc3 7. Ra7
                                    Kd4 8. g7 Rg3 9. Kh4 Rg2
         (2)   14->   3:08   0.25   1. ... Ke7 2. g5 hxg5 3. fxg5 Ke6 4.
                                    Rf6+ Ke5 5. Rf7 b5 6. g6 Rxc3 7. Ra7
                                    Kd4 8. g7 Rg3 9. Kh4 Rg2
               15     3:15   1/15*  1. ... Ke7
=============================================================================
21 seconds to move off of a Kf4?

[D] 8/8/2PR4/6pp/6k1/KPr5/8/8 b - - 0 29

White(2): 8/8/2PR4/6pp/6k1/KPr5/8/8 b - - 0 29
Black(1): go
end-game phase
crafty is behind 32.0 on time, reducing by 1/96.
              time surplus   0.00  time limit 100:00 (100:00)
         nss  depth   time  score   variation (1)
                3     0.00  -0.54   1. ... Kf3 2. Kb2 Rc5 3. b4
                3->   0.02  -0.54   1. ... Kf3 2. Kb2 Rc5 3. b4
                4     0.02  -0.44   1. ... Kf3 2. Kb2 Rc5 3. b4 Rb5
                4->   0.02  -0.44   1. ... Kf3 2. Kb2 Rc5 3. b4 Rb5
                5     0.02  -0.66   1. ... Kf3 2. Kb2 Rc5 3. b4 Rb5 4.
                                    Kc3
                5->   0.03  -0.66   1. ... Kf3 2. Kb2 Rc5 3. b4 Rb5 4.
                                    Kc3
                6     0.03  -0.49   1. ... Kf3 2. Kb2 Rc5 3. b4 Rb5 4.
                                    Rd3+ Kf4
                6     0.05  -0.39   1. ... Kf4 2. Kb2 Rc5 3. b4 Rb5 4.
                                    Rd4+ Ke3
                6     0.06  -0.36   1. ... h4 2. Kb2 Rc5 3. b4 Rb5 4. Kc3
                                    h3
         (3)    6->   0.06  -0.36   1. ... h4 2. Kb2 Rc5 3. b4 Rb5 4. Kc3
                                    h3
                7     0.08     --   1. ... h4
         (2)    7     0.09  -1.20   1. ... h4 2. Kb2 Rc5 3. b4 Rc4 4. Kb3
                                    Rc1 5. b5
                7     0.14     ++   1. ... Kf4!!
                7     0.14  -0.68   1. ... Kf4 2. Kb2 Ke5 3. Rh6 Kd4 4.
                                    Rxh5 Rxc6 5. Rxg5
         (2)    7->   0.16  -0.68   1. ... Kf4 2. Kb2 Ke5 3. Rh6 Kd4 4.
                                    Rxh5 Rxc6 5. Rxg5
                8     0.52  -0.68   1. ... Kf4 2. Kb2 Ke5 3. Rh6 Kd4 4.
                                    Rxh5 Rxc6 5. Rxg5 Rc3
         (4)    8->   0.59  -0.68   1. ... Kf4 2. Kb2 Ke5 3. Rh6 Kd4 4.
                                    Rxh5 Rxc6 5. Rxg5 Rc3
         (3)    9     1.89  -0.58   1. ... Kf4 2. Rh6 g4 3. Kb2 Rc5 4.
                                    b4 Rc4 5. Kb3 Rc1 6. b5
                9->   2.16  -0.58   1. ... Kf4 2. Rh6 g4 3. Kb2 Rc5 4.
                                    b4 Rc4 5. Kb3 Rc1 6. b5
               10     2.78  -0.57   1. ... Kf4 2. Rh6 h4 3. Kb2 Rc5 4.
                                    b4 Rc4 5. Kb3 Rc1 6. b5 Ke3
         (4)   10->   3.89  -0.57   1. ... Kf4 2. Rh6 h4 3. Kb2 Rc5 4.
                                    b4 Rc4 5. Kb3 Rc1 6. b5 Ke3
         (3)   11     5.88  -0.80   1. ... Kf4 2. Rh6 g4 3. Kb2 Rc5 4.
                                    b4 Rc4 5. Kb3 Rc1 6. b5 Rb1+ 7. Kc4
         (4)   11->  10.34  -0.80   1. ... Kf4 2. Rh6 g4 3. Kb2 Rc5 4.
                                    b4 Rc4 5. Kb3 Rc1 6. b5 Rb1+ 7. Kc4
         (3)   12    16.80  -0.45   1. ... Kf4 2. Rh6 g4 3. Kb2 Rc5 4.
                                    b4 Rc4 5. Kb3 Rc1 6. b5 Kg5 7. Re6
                                    g3
         (2)   12    21.13  -0.30   1. ... h4 2. Kb2 Rc5 3. b4 Rc4 4. Kb3
                                    Rc1 5. Rd4+ Kf3 6. Rc4 Rxc4 7. Kxc4
                                    h3 8. b5
         (2)   12->  23.58  -0.30   1. ... h4 2. Kb2 Rc5 3. b4 Rc4 4. Kb3
                                    Rc1 5. Rd4+ Kf3 6. Rc4 Rxc4 7. Kxc4
                                    h3 8. b5
               13    23.58   1/18*  1. ... h4
============================================================================
never moves off of a Rxg2 after almost 10 minutes - not the right move

White(2): 8/1pp5/p1p2k2/7p/P4P1P/1P3K2/2Pr2R1/8 b - - 0 13
Black(1): go
end-game phase
crafty is behind 32.0 on time, reducing by 1/96.
              time surplus   0.00  time limit 100:00 (100:00)
         nss  depth   time  score   variation (1)
                3->   0.00  -0.01   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3
                4     0.00   0.15   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 c5
                4->   0.02   0.15   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 c5
                5     0.02  -0.09   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 b5 4.
                                    Ke3
                5->   0.02  -0.09   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 b5 4.
                                    Ke3
                6     0.02  -0.11   1. ... Rxg2 2. Kxg2 Ke6 3. Kf3 Kf5
                                    4. c4 c5
                6->   0.03  -0.11   1. ... Rxg2 2. Kxg2 Ke6 3. Kf3 Kf5
                                    4. c4 c5
                7     0.03  -0.17   1. ... Rxg2 2. Kxg2 Ke6 3. Kf3 Kf5
                                    4. c4 b5 5. Ke3 bxa4 6. bxa4
         (2)    7->   0.06  -0.17   1. ... Rxg2 2. Kxg2 Ke6 3. Kf3 Kf5
                                    4. c4 b5 5. Ke3 bxa4 6. bxa4
                8     0.06  -0.17   1. ... Rxg2 2. Kxg2 Ke6 3. Kf3 Kf5
                                    4. c4 b5 5. Ke3 bxa4 6. bxa4
         (2)    8->   0.08  -0.17   1. ... Rxg2 2. Kxg2 Ke6 3. Kf3 Kf5
                                    4. c4 b5 5. Ke3 bxa4 6. bxa4
                9     0.11  -0.10   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 a5 4.
                                    c3 b5 5. c4 bxa4 6. bxa4
                9->   0.13  -0.10   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 a5 4.
                                    c3 b5 5. c4 bxa4 6. bxa4
               10     0.16  -0.18   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 a5 4.
                                    c3 b6 5. c4 c5 6. Ke3 c6 <HT>
         (3)   10->   0.27  -0.18   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 a5 4.
                                    c3 b6 5. c4 c5 6. Ke3 c6 <HT>
               11     0.28     ++   1. ... Rxg2!!
         (2)   11     0.36   0.66   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 Ke4
                                    4. b4 b5 5. a5 c5 6. f5 Kxf5 7. bxc5
         (2)   11->   0.44   0.66   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 Ke4
                                    4. b4 b5 5. a5 c5 6. f5 Kxf5 7. bxc5
               12     0.58   0.70   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 a5 4.
                                    c3 c5 5. c4 b6 6. Ke3 Kg4 7. f5 Kxf5
         (3)   12->   1.05   0.70   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 a5 4.
                                    c3 c5 5. c4 b6 6. Ke3 Kg4 7. f5 Kxf5
         (2)   13     1.27   0.70   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 a5 4.
                                    c3 c5 5. c4 b6 6. Ke3 Kg4 7. f5 Kxf5
                                    8. Kd3
         (3)   13->   2.02   0.70   1. ... Rxg2 2. Kxg2 Kf5 3. Kf3 a5 4.
                                    c3 c5 5. c4 b6 6. Ke3 Kg4 7. f5 Kxf5
                                    8. Kd3
         (2)   14     2.47   0.77   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 a5 4.
                                    Kf3 c5 5. c3 b6 6. c4 c6 7. Ke3 Kg4
                                    8. f5 Kxf5
         (4)   14->   6.11   0.77   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 a5 4.
                                    Kf3 c5 5. c3 b6 6. c4 c6 7. Ke3 Kg4
                                    8. f5 Kxf5
         (3)   15     6.77   0.77   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 a5 4.
                                    Kf3 c5 5. c3 b6 6. c4 c6 7. Ke3 Kg4
                                    8. f5 Kxf5 9. Kd3
         (4)   15->  13.99   0.77   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 a5 4.
                                    Kf3 c5 5. c3 b6 6. c4 c6 7. Ke3 Kg4
                                    8. f5 Kxf5 9. Kd3
         (3)   16    15.72   0.69   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 a5 4.
                                    Kf3 c5 5. c3 b5 6. c4 b4 7. Ke3 Kg4
                                    8. f5 Kxf5 9. Kd3 Ke5
         (4)   16->  50.89   0.69   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 a5 4.
                                    Kf3 c5 5. c3 b5 6. c4 b4 7. Ke3 Kg4
                                    8. f5 Kxf5 9. Kd3 Ke5
         (3)   17    53.91   0.84   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 b5 4.
                                    c4 bxa4 5. bxa4 Ke4 6. a5 c5 7. f5
                                    Kxf5 8. Kf3 c6 9. Kg3 Ke4 10. Kf2
         (4)   17->   2:15   0.84   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 b5 4.
                                    c4 bxa4 5. bxa4 Ke4 6. a5 c5 7. f5
                                    Kxf5 8. Kf3 c6 9. Kg3 Ke4 10. Kf2
         (3)   18     2:20   0.84   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 b5 4.
                                    c4 bxa4 5. bxa4 Ke4 6. a5 c5 7. f5
                                    Kxf5 8. Kf3 c6 9. Kg3 Ke4 10. Kf2 Kd4
         (4)   18->   7:30   0.84   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 b5 4.
                                    c4 bxa4 5. bxa4 Ke4 6. a5 c5 7. f5
                                    Kxf5 8. Kf3 c6 9. Kg3 Ke4 10. Kf2 Kd4
         (3)   19     7:44   0.93   1. ... Rxg2 2. Kxg2 Kf5 3. Kg3 b5 4.
                                    c3 a5 5. Kf3 c5 6. c4 b4 7. Ke3 Kg4
                                    8. Ke4 <HT>
               19     9:00   2/19*  1. ... Rd1



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