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Subject: Re: Is Kf3 really a winning move?

Author: Dann Corbit

Date: 10:32:03 10/13/99

Go up one level in this thread


Looks like black is toast afterwards to me.

pondering enabled.
play best book line after search.
PFGA: EPD record: 1
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 600:00 (600:00)
         nss  depth   time  score   variation (1)
Black(0): exit

                9     0.59     --   1. ... Rd3+
                9     0.96  -4.81   1. ... Rd3+ 2. Ke2 Rd4 3. Bxh6 Rh4
                                    4. Re7 Rh2+ 5. Kd3 Rh3+ 6. Kc2 Rh2+
                                    7. Bd2 Bg7
                9->   1.39  -4.81   1. ... Rd3+ 2. Ke2 Rd4 3. Bxh6 Rh4
                                    4. Re7 Rh2+ 5. Kd3 Rh3+ 6. Kc2 Rh2+
                                    7. Bd2 Bg7
               10     1.74     --   1. ... Rd3+
               10     2.64  -5.58   1. ... Rd3+ 2. Ke2 Rd4 3. Bxh6 Re4+
                                    4. Kf3 Bd6 5. Rg7+ Kh8 6. Rf7 Kg8 7.
                                    b5 Be7
               10     3.20     ++   1. ... Bxf4!!
               10     4.96  -4.85   1. ... Bxf4 2. Kxf4 Rd2 3. Kxf5 Rf2+
                                    4. Ke6 Re2+ 5. Kf6 Rf2+ 6. Ke5 Re2+
                                    7. Kf4 Rh2 8. Kg4 Re2
               10->   5.53  -4.85   1. ... Bxf4 2. Kxf4 Rd2 3. Kxf5 Rf2+
                                    4. Ke6 Re2+ 5. Kf6 Rf2+ 6. Ke5 Re2+
                                    7. Kf4 Rh2 8. Kg4 Re2
               11     6.79  -4.82   1. ... Bxf4 2. Kxf4 Rd2 3. Kxf5 Rf2+
                                    4. Ke6 Re2+ 5. Kf6 Rf2+ 6. Ke5 Re2+
                                    7. Kf4 Rf2+ 8. Kg4 Rg2+ 9. Kh4 Kf8
                                    10. Rd7
               11->   7.76  -4.82   1. ... Bxf4 2. Kxf4 Rd2 3. Kxf5 Rf2+
                                    4. Ke6 Re2+ 5. Kf6 Rf2+ 6. Ke5 Re2+
                                    7. Kf4 Rf2+ 8. Kg4 Rg2+ 9. Kh4 Kf8
                                    10. Rd7
               12    15.16     --   1. ... Bxf4
               12    22.22  -4.74   1. ... Bxf4 2. Kxf4 Rd1 3. b5 Rd5 4.
                                    Rh7 Rxb5 5. Rxh6 Rb6 6. Rh7 Rf6 7.
                                    Re7 Rd6
               12->  24.14  -4.74   1. ... Bxf4 2. Kxf4 Rd1 3. b5 Rd5 4.
                                    Rh7 Rxb5 5. Rxh6 Rb6 6. Rh7 Rf6 7.
                                    Re7 Rd6
               13    32.08  -4.83   1. ... Bxf4 2. Kxf4 Rd1 3. b5 Rd5 4.
                                    Rh7 Rxb5 5. Rxh6 Rb1 6. Kxf5 Rf1+ 7.
                                    Ke4 Re1+ 8. Kd3 Kg7 9. Rh7+ Kf6
               13->  37.25  -4.83   1. ... Bxf4 2. Kxf4 Rd1 3. b5 Rd5 4.
                                    Rh7 Rxb5 5. Rxh6 Rb1 6. Kxf5 Rf1+ 7.
                                    Ke4 Re1+ 8. Kd3 Kg7 9. Rh7+ Kf6
               14    51.24     --   1. ... Bxf4
               14     2:14  -5.23   1. ... Bxf4 2. Kxf4 Rd1 3. Rh7 Rf1+
                                    4. Ke5 f4 5. Rxh6 Rb1 6. Kxf4 Rxb4+
                                    7. Kg5 Rb5+ 8. Kf6 Rb6+ 9. Ke5 Rb5+
                                    10. Kd6 <HT>
               14->   2:39  -5.23   1. ... Bxf4 2. Kxf4 Rd1 3. Rh7 Rf1+
                                    4. Ke5 f4 5. Rxh6 Rb1 6. Kxf4 Rxb4+
                                    7. Kg5 Rb5+ 8. Kf6 Rb6+ 9. Ke5 Rb5+
                                    10. Kd6 <HT>
               15     3:49  -5.23   1. ... Bxf4 2. Kxf4 Rd1 3. Rh7 Rf1+
                                    4. Ke5 f4 5. Rxh6 Rb1 6. Kxf4 Rxb4+
                                    7. Kg5 Rb5+ 8. Kf6 Rb6+ 9. Ke5 <HT>
               15->   4:17  -5.23   1. ... Bxf4 2. Kxf4 Rd1 3. Rh7 Rf1+
                                    4. Ke5 f4 5. Rxh6 Rb1 6. Kxf4 Rxb4+
                                    7. Kg5 Rb5+ 8. Kf6 Rb6+ 9. Ke5 <HT>
               16     9:46  -5.10   1. ... Bxf4 2. Kxf4 Rd1 3. Rh7 Rf1+
                                    4. Ke5 f4 5. Rxh6 Rb1 6. Kxf4 Rxb4+
                                    7. Ke5 Rb7 8. Kd6 Ra7 9. Kc6 Re7 10.
                                    Kd6 Rg7
               16->  10:17  -5.10   1. ... Bxf4 2. Kxf4 Rd1 3. Rh7 Rf1+
                                    4. Ke5 f4 5. Rxh6 Rb1 6. Kxf4 Rxb4+
                                    7. Ke5 Rb7 8. Kd6 Ra7 9. Kc6 Re7 10.
                                    Kd6 Rg7
               17    23:41  -5.10   1. ... Bxf4 2. Kxf4 Rd1 3. Rh7 Rf1+
                                    4. Ke5 f4 5. Rxh6 Rb1 6. Kxf4 Rxb4+
                                    7. Ke5 Rb7 8. Kd6 Ra7 9. Kd5 Re7 10.
                                    Kc5 <HT>
               17->  24:48  -5.10   1. ... Bxf4 2. Kxf4 Rd1 3. Rh7 Rf1+
                                    4. Ke5 f4 5. Rxh6 Rb1 6. Kxf4 Rxb4+
                                    7. Ke5 Rb7 8. Kd6 Ra7 9. Kd5 Re7 10.
                                    Kc5 <HT>
               18    81:52  -5.25   1. ... Bxf4 2. Kxf4 Rd1 3. Rb5 Rf1+
                                    4. Ke5 Re1+ 5. Kxf5 Rf1+ 6. Ke6 Re1+
                                    7. Re5 Rf1 8. b5 Kg7 9. Rf5 Re1+ 10.
                                    Kd7 Rd1+ 11. Kc7 <HT>
               18->  86:31  -5.25   1. ... Bxf4 2. Kxf4 Rd1 3. Rb5 Rf1+
                                    4. Ke5 Re1+ 5. Kxf5 Rf1+ 6. Ke6 Re1+
                                    7. Re5 Rf1 8. b5 Kg7 9. Rf5 Re1+ 10.
                                    Kd7 Rd1+ 11. Kc7 <HT>
               19   234:53  -5.25   1. ... Bxf4 2. Kxf4 Rd1 3. Rb5 Rf1+
                                    4. Ke5 Re1+ 5. Kxf5 Rf1+ 6. Ke6 Re1+
                                    7. Re5 Rf1 8. b5 Kg7 9. Rf5 Re1+ 10.
                                    Kd7 Rd1+ 11. Kc7 Rc1+ 12. Kb6 Kh8 13.
                                    Rf7 Kg8 14. Re7 Kf8
               19-> 240:16  -5.25   1. ... Bxf4 2. Kxf4 Rd1 3. Rb5 Rf1+
                                    4. Ke5 Re1+ 5. Kxf5 Rf1+ 6. Ke6 Re1+
                                    7. Re5 Rf1 8. b5 Kg7 9. Rf5 Re1+ 10.
                                    Kd7 Rd1+ 11. Kc7 Rc1+ 12. Kb6 Kh8 13.
                                    Rf7 Kg8 14. Re7 Kf8
              time=600:00  cpu=99%  mat=-1  n=2495480498  fh=2%  nps=69318
              ext-> checks=790401249 recaps=10700278 pawns=89069396
1rep=18798050 thrt:1602469
              predicted=0  nodes=2495480498  evals=2247199471
              endgame tablebase-> probes done=35765  successful=35765

Crafty v16.19

Black(1): quit
execution complete.



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