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Subject: Re: Simple quad-opteron test

Author: Jeremiah Penery

Date: 17:37:23 12/04/03

Go up one level in this thread


On December 04, 2003 at 20:03:24, Vincent Lejeune wrote:

>On December 04, 2003 at 19:35:52, Jeremiah Penery wrote:
>
>>               14->  12.04  -1.18   1. ... Rb4 2. cxb4 a4 3. Rb1 c3 4.
>>                                    Rc1 b2 5. b5+ Kxb5 6. Ba3 bxc1=Q 7.
>>                                    Bxc1 Kc4 8. Be3 a3 9. Kf4 Kb3
>
>3.Rb1 seems very bad ! how crafty can think it's the best line ?

It is only showing the output of a 12 second search, and it's 3 plies down into
the line.


>Hiarcs 9, 2 best moves after 2 min :
>
>2b5/8/2kBp1p1/3pP1P1/pP1P4/1pp3K1/5P2/1R6 w - - 0 1
>
>Analysis by Hiarcs 9:
>
>1. -+ (-1.70): 4.b5+ Rxb5 5.Fa3 Rc4 6.Tc1 Rxd4 7.Rf4 Rd3 8.Td1+ Rc4
>2. -+ (-2.50): 4.Tc1 b2 5.Txc3+ Rd7 6.Tc7+ Rd8 7.Th7 b1D 8.Th8+ Rd7 9.Th7+ Rc6
>10.Tc7+ Rb6 11.Txc8 a3 12.Tb8+ Ra7 13.Te8 Dg1+ 14.Rf3 a2 15.Fc5+ Rb7 16.Te7+ Rc8
>17.Te8+ Rc7

In the same position, the same Crafty:

White(1): 2b5/8/2kBp1p1/3pP1P1/pP1P4/1pp3K1/5P2/1R6 w - - 0 1
White(1): st 500
search time set to 500.00.
White(1): go
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 8:20 (8:20)
              depth   time  score   variation (1)
                9     1.55     --   1. Rc1
                9     1.72  -1.18   1. Rc1 b2 2. b5+ Kxb5 3. Ba3 bxc1=Q
                                    4. Bxc1 Kc4 5. Be3 a3 6. Kf4 Kb3
                9->   2.54  -1.18   1. Rc1 b2 2. b5+ Kxb5 3. Ba3 bxc1=Q
                                    4. Bxc1 Kc4 5. Be3 a3 6. Kf4 Kb3
               10     2.78  -1.25   1. Rc1 b2 2. b5+ Kxb5 3. Ba3 bxc1=Q
                                    4. Bxc1 Kc4 5. Kf4 Kxd4 6. f3 Kd3 7.
                                    Ba3
               10->   4.46  -1.25   1. Rc1 b2 2. b5+ Kxb5 3. Ba3 bxc1=Q
                                    4. Bxc1 Kc4 5. Kf4 Kxd4 6. f3 Kd3 7.
                                    Ba3
               11     5.03  -1.30   1. Rc1 b2 2. b5+ Kxb5 3. Ba3 bxc1=Q
                                    4. Bxc1 Kc4 5. Kf4 Kxd4 6. f3 Kd3 7.
                                    Ba3 Bd7
               11->   8.86  -1.30   1. Rc1 b2 2. b5+ Kxb5 3. Ba3 bxc1=Q
                                    4. Bxc1 Kc4 5. Kf4 Kxd4 6. f3 Kd3 7.
                                    Ba3 Bd7
               12    10.31     --   1. Rc1
               12    13.36  -1.80   1. Rc1 b2 2. Rxc3+ Kd7 3. Rc7+ Kd8
                                    4. Rh7 b1=Q 5. Rh8+ Kd7 6. Rh7+ Kc6
                                    7. Rc7+ Kb5 8. Rc5+ Ka6 9. Rxc8 Qd3+
                                    10. f3 Qxd4 11. Rd8
               12    18.04  -1.76   1. b5+ Kxb5 2. Ba3 Kc4 3. Rc1 Kxd4
                                    4. Kf4 Kd3 5. Rb1 Bb7 6. Rb2 d4 7.
                                    f3
               12->  24.34  -1.76   1. b5+ Kxb5 2. Ba3 Kc4 3. Rc1 Kxd4
                                    4. Kf4 Kd3 5. Rb1 Bb7 6. Rb2 d4 7.
                                    f3
               13    36.87  -1.81   1. b5+ Kxb5 2. Ba3 Kc4 3. Rc1 Kxd4
                                    4. Kf4 Kd3 5. Rb1 Bb7 6. Rd1+ Kc4 7.
                                    Rxd5 Bxd5 8. f3
               13    39.97     ++   1. Rc1!!
               13    53.38  -1.35   1. Rc1 b2 2. Rxc3+ Kd7 3. Rc7+ Kd8
                                    4. Rh7 b1=Q 5. Rh8+ Kd7 6. Rh7+ Ke8
                                    7. Rh8+ Kf7 8. Rxc8 Qd3+ 9. f3 Qxd4
                                    10. Rc7+ Kg8 11. b5 Qe3
               13->   1:00  -1.35   1. Rc1 b2 2. Rxc3+ Kd7 3. Rc7+ Kd8
                                    4. Rh7 b1=Q 5. Rh8+ Kd7 6. Rh7+ Ke8
                                    7. Rh8+ Kf7 8. Rxc8 Qd3+ 9. f3 Qxd4
                                    10. Rc7+ Kg8 11. b5 Qe3
               14     1:11  -1.21   1. Rc1 b2 2. Rxc3+ Kd7 3. Rc7+ Kd8
                                    4. Rh7 b1=Q 5. Rh8+ Kd7 6. Rh7+ Kc6
                                    7. Rc7+ Kb6 8. Rxc8 a3 9. Bc5+ Kb7
                                    10. Re8 Qg1+ 11. Kh3 Qf1+ 12. Kg3 a2
               14->   1:51  -1.21   1. Rc1 b2 2. Rxc3+ Kd7 3. Rc7+ Kd8
                                    4. Rh7 b1=Q 5. Rh8+ Kd7 6. Rh7+ Kc6
                                    7. Rc7+ Kb6 8. Rxc8 a3 9. Bc5+ Kb7
                                    10. Re8 Qg1+ 11. Kh3 Qf1+ 12. Kg3 a2
               15     2:05     --   1. Rc1



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