Author: Ferdinand S. Mosca
Date: 21:32:37 02/23/01
Go up one level in this thread
On February 23, 2001 at 08:15:11, Mogens Larsen wrote:
>On February 23, 2001 at 07:50:15, Uri Blass wrote:
>
>>On February 23, 2001 at 07:37:24, Mogens Larsen wrote:
>>
>>>On February 23, 2001 at 01:56:13, Ferdinand S. Mosca wrote:
>>>
>>>>
>>>>Yace 0.99.08 - P.ConNerS (0-1)
>>>>IPCC-2001, Paderborn (2), 21.02.2001
>>>>
>>>>[D]8/4k1p1/5p2/KP6/P7/4r2p/3R4/8 w - - 0 1
>>>>
>>>>Probably the point where Yace could have drawn the game.
>>>>Black's last move is 41...h3 and Yace responded with 42. b6?!
>>>>
>>>>Is there any program that considers 42.Rb2?
>>I think that Yace evaluation may be more interesting.
>>At which point did Yace see that it is losing the game?
>
>At the point where I decided to stop, Yace agreed with the previous opinions
>regarding eval. Configuration is Athlon 800 and 128Mb hash.
>
>Analysis by Yace 0.99.01:
>
>1.b6
> µ (-1.29) Depth: 1 00:00:00
>1.Kb6
> µ (-1.24) Depth: 1 00:00:00
>1.Kb6 g5
> µ (-1.40) Depth: 2 00:00:00
>1.b6 g5
> µ (-1.37) Depth: 2 00:00:00
>1.b6 Rb3 2.Ka6
> µ (-1.39) Depth: 3 00:00:00
>1.Kb6 Rb3
> µ (-1.38) Depth: 3 00:00:00
>1.Kb6 Re6+ 2.Kc5 g5
> µ (-1.36) Depth: 3 00:00:00
>1.Kb6 g5 2.a5 g4
> -+ (-1.43) Depth: 4 00:00:00
>1.Kb6 g5 2.a5 Re6+ 3.Kc5 g4
> µ (-1.29) Depth: 5 00:00:00 4kN
>1.Kb6 g5 2.a5 g4 3.Rh2 f5
> µ (-1.40) Depth: 6 00:00:00 10kN
>1.b6 g5 2.Kb4 f5 3.b7 Kf6
> µ (-1.39) Depth: 6 00:00:00 10kN
>1.b6 Rb3 2.Ka6 g5 3.a5 g4
> µ (-1.26) Depth: 6 00:00:00 10kN
>1.Kb4 Re6 2.a5 Re4+ 3.Kb3 g6
> µ (-1.25) Depth: 6 00:00:00 10kN
>1.Kb4 Re4+ 2.Kb3 Re5 3.b6 Re3+ 4.Kc4 g5
> µ (-1.25) Depth: 6 00:00:00 10kN
>1.Kb4 Re4+ 2.Kb3 Rh4 3.b6 h2 4.b7 h1Q 5.Re2+ Re4 6.Rxe4+ Qxe4 7.b8Q
> µ (-1.29) Depth: 7 00:00:00 72kN
>1.b6 Rb3 2.Ka6 g5 3.b7 Kf7 4.Ka7 Rb2
> µ (-1.28) Depth: 7 00:00:00 72kN
>1.b6 Rb3 2.Ka6 g5 3.b7 Rb4 4.Rd4 Rb2
> µ (-1.26) Depth: 7 00:00:00 72kN
>1.b6 Rb3 2.Ka6 g5 3.b7 Rb4 4.Rd4 Rb2 5.a5
> µ (-1.14) Depth: 8 00:00:00 228kN
>1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Ka7 Kf8 5.b8Q+ Kf7
> µ (-0.74) Depth: 9 00:00:01 403kN
>1.b6 Rb3 2.Ka6 g5 3.b7 Rb4 4.a5 f5 5.Ka7 h2 6.Rxh2
> = (0.15) Depth: 9 00:00:01 403kN
>1.b6 Rb3 2.Ka6 Ke6 3.b7 Rb4 4.Rd4 Rb2 5.Rh4 g5 6.Rxh3
> ² (0.27) Depth: 10 00:00:02 899kN
>1.b6 Rb3 2.Ka6 g5 3.b7 Kf7 4.Ka7 Ra3 5.Rd7+ Kg6 6.b8Q Rxa4+ 7.Kb7 Rb4+ 8.Kc7
>Rxb8 9.Kxb8
> ² (0.32) Depth: 11 00:00:04 1862kN
>1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Ka7 g3 5.b8Q Rxb8 6.Kxb8 h2 7.Kb7 h1Q+ 8.Ka7
> = (-0.08) Depth: 12 00:00:05 2304kN
>1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.a5 g3 5.Re2+ Kd7 6.Re3 Rxe3 7.b8Q Ra3
> = (0.05) Depth: 12 00:00:08 3751kN
>1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Rc2 g3 5.Rc3 Rxb7 6.Kxb7 h2 7.Rc7+ Kd6 8.Rc6+ Kd5
>9.Rc1 g2 10.Rd1+ Ke4
> = (-0.23) Depth: 13 00:00:18 7374kN
>1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Rh2 Kf7 5.Ka7 g3 6.Rxh3 Kg6 7.b8Q Rb4
> = (0.17) Depth: 14 00:00:45 19105kN
>1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Rh2 Kf7 5.Ka7 Ra3 6.a5 Rxa5+ 7.Kb6 Ra1 8.b8Q Rb1+
>9.Ka7 Rxb8 10.Kxb8
> ² (0.29) Depth: 14 00:00:55 23160kN
>1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Rh2 f5 5.Ka7 Ra3 6.Re2+ Kf6 7.Kb6 Rb3+ 8.Kc7 Rc3+
>9.Kb6 Rb3+
> = (0.00) Depth: 15 00:01:47 42036kN
>1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Rh2 f5 5.Ka7 Ra3 6.Re2+ Kf7 7.Kb6 Rb3+ 8.Ka7 Ra3
> = (0.00) Depth: 16 00:03:54 93625kN
>1.b6 Rb3 2.Re2+ Kd6 3.Ka6 g5 4.b7 g4 5.Rh2 f5 6.Ka7 Kc7 7.Rc2+ Kd6
> = (0.00) Depth: 17 00:15:08 332761kN
>
>Regards,
>Mogens
Hi Mogens,
Yace's analysis after more than 2 hrs on PIII, 667mhz, 128mb
using 64mb hash with 4 and 5 piece EGTB.
Rb2 is considered at 1:19:42 in ply 18 till ply 19.
425969087 18:31.2 0.00 17. 1. b6 Rb3 2. Ka6 g5 3. b7 g4 4. Rh2 f5 5. Ka7
Ra3 6. Re2+ Kf7 7. Rb2 Rxa4+ 8. Kb6 h2 9. Rxh2
Rb4+ 10. Kc7 Rc4+ 11. Kd7 Rb4 12. Kc7 {-80}
738379465 34:35.6 -0.20 18t 1. b6 Rb3 2. Ka6 g5 3. b7 g4 4. Re2+ Kd6 5. Rh2
Kc7 6. a5 f5 7. Rh1 g3 8. Rxh3 f4 9. Rh7+ Kc6
10. Rh6+ Kd7 11. Rh7+ Ke6 12. Rg7 {0}
1686439531 1:19:42 -0.19 18t+ 1. Rb2 Kd7 2. b6 Kc8 3. Ka6 Kb8 4. Rd2 Re8 5.
Rd7 f5 6. Rxg7 h2 7. Rh7 Kc8
1955092445 1:33:52 0.00 18t 1. Rb2 Kd7 2. b6 Kc8 3. Ka6 Kb8 4. Rd2 Re8 5.
Rd7 f5 6. Rxg7 Rh8 7. Rb7+ Ka8 8. Ra7+ Kb8 9.
Rb7+ {0}
1998017056 1:36:00 0.00 18. 1. Rb2 Kd7 2. b6 Kc8 3. Ka6 Kb8 4. Rd2 Re8 5.
Rd7 f5 6. Rxg7 Rh8 7. Rb7+ Ka8 8. Ra7+ Kb8 9.
Rb7+ {0}
2643042529 2:08:56 0.00 19t 1. Rb2 Kd7 2. b6 Kc8 3. Ka6 Kb8 4. Rd2 Re8 5.
Rd7 f5 6. Rxg7 Rh8 7. Rb7+ Ka8 8. Ra7+ Kb8 9.
Rb7+ {0}
2738605240 2:13:34 0.00 19u. 1. Rb2 Kd7 2. b6 Kc8 3. Ka6 Kb8 4. Rd2 Re8 5.
Rd7 f5 6. Rxg7 Rh8 7. Rb7+ Ka8 8. Ra7+ Kb8 9.
Rb7+ {0}
2738605240 Nodes, 15.30% Leavenodes, 341697 Nodes/sec
1527173633 eval, 70.88% score, 589233537 genmoves, 85.98% captures le 448/594
ext: pawn 18429647, rcp 3656100, chk 208244074, repchk 3734317, null 127771,
prune 110913147
htable: 1974373061 store, 1652 rejected, 2720780785 probe, 37.2% f/p, 51.2% f/s
entries 5333331 age 1 renew 0
egtb probes 116562, found 31017
white ( 1): input:
white ( 1): input: q
Dinan
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