Author: Filip Tvrzsky
Date: 09:08:12 03/24/03
Go up one level in this thread
On March 24, 2003 at 11:54:12, Vincent Diepeveen wrote:
>On March 24, 2003 at 11:40:47, Uri Blass wrote:
>
>then yace has it wrong for Ng1.
>
>How can i ever communicate with a person who is just
>busy writing over at very slow hardware what Yace wants
>instead of looking to the position.
>
>DIEP says black up 3.0 after ng1:
>
>00:26 212290 212k 0 0 5632057 (2) 17 (136,896) 3.045 Kb7-c7 Kc4-b3 Kc7-c6 Kb3-c4
> a5-a4 Kc4-b4 e5-e4 Kb4xa4 e4xd3 Ka4-b3 Kc6xc5 Kb3-b2 Kc5-d5 Kb2-c1 Kd5-e5 Kc1-d
>1 Ke5-e4 Kd1-d2 Ke4-e5 Kd2xd3
>
I am afraid this position at the end of your PV isn't -3.0 but a perfect draw if
Fritz 6 and Nalimov's tablebases are right ...
>i told you to turn off nullmove. with nullmove it won't get a high
>score. you never listen?
>
>
>>On March 24, 2003 at 11:13:12, Vincent Diepeveen wrote:
>>
>>>On March 23, 2003 at 15:19:27, Alexander Kure wrote:
>>>
>>>>Hi everybody,
>>>>
>>>>I found an interesting position taken from one of my games when i was an active
>>>>tournament player in the 1990ies:
>>>>
>>>>[d]8/p3b3/1k6/4p2p/K1Pp2pP/3P2P1/3N4/8 b - - 0 1
>>>>
>>>>Here i played the stunning Bxh4!
>>>>The idea is that black will force 3 passed pawns that can not be stopped by
>>>>white's knight and king.
>>>>
>>>>A possible continuation will be:
>>>>1...Bxh4 2. gxh4 g3 3. Nf3 g2 4. Kb4 a5 5. Kb3 Kc5 6. Ng1 e4 7. dxe4 a4
>>>>and the 3 black passers are too much for white to handle.
>>>>
>>>>I am interested in which programs will find this solution.
>>>
>>>Without nullmove perhaps some will, by default i have nullmove turned
>>>on though.
>>>
>>>Very cool sacrafice!
>>>
>>>i had played quickly:
>>> bxh4 gh g3 c5 kc6 kb4 a5! kc4 g2 nf3 kb7 kb3
>>
>>Yace does not like Kb3 in that line
>>
>>It says
>>
>>depth=21 -0.41 t 7.Ng1 Kc7 8.Nh3H Kc6H 9.Ng1H a4H 10.Kb4H e4H 11.Kxa4H exd3H
>>12.Kb3H Kxc5H 13.Kb2H Kd5H 14.Kc1H Ke5H 15.Kd2H Ke4H 16.Nh3H Kf3H 17.Kxd3H Kg4H
>>18.Ng1H Kxh4H 19.Kxd4H {HT} {180}
>>Nodes: 56578747 NPS: 527639
>>Time: 00:01:47.23
>>depth=21 -0.41 . 7.Ng1 Kc7 8.Nh3 Kc6 9.Ng1 a4 10.Kb4 e4 11.Kxa4 exd3 12.Kb3
>>Kxc5 13.Kb2 Kd5 14.Kc1 Ke5 15.Kd2 Ke4 16.Nh3 Kf3 17.Kxd3 Kg4 18.Ng1 Kxh4 19.Kxd4
>>{HT} {180}
>>Nodes: 116484437 NPS: 505245
>>depth=22 -0.31 t 7.Ng1 Kc7 8.Nh3 Kc6 9.Ng1 a4 10.Kb4 e4H 11.Kxa4H exd3H 12.Kb3H
>>Kxc5H 13.Kb2H Kd5H 14.Kc1H Ke5H {HT}
>>Nodes: 149645128 NPS: 516552
>>Time: 00:04:49.70
>>Time: 00:03:50.55
>>
>>After Kb3? it says
>>
>>depth=18 +0.32 t+ 7...Ka6 8.Nxd4 g1=Q 9.c6
>>Nodes: 15934691 NPS: 559897
>>Time: 00:00:28.46
>>depth=18 +0.71 ++ 7...Ka6 8.Nxd4 g1=Q 9.c6
>>Nodes: 26248886 NPS: 544469
>>Time: 00:00:48.21
>>depth=18 +1.54 t 7...Ka6 8.Ng1 Kb5 9.c6 Kxc6 10.Kc4 Kd6 11.Ne2 Ke6 12.Kb5 e4H
>>13.Kc4H Ke5H 14.Kc5H exd3H 15.Ng1H Ke4H 16.Nf3H d2H {HT} {-20}
>>Nodes: 34887272 NPS: 535327
>>Time: 00:01:05.17
>>depth=18 +1.54 . 7...Ka6 8.Ng1 Kb5 9.c6 Kxc6 10.Kc4 Kd6 11.Ne2 Ke6 12.Kb5 e4
>>13.Kc4 Ke5 14.Kc5 exd3 15.Ng1 Ke4 16.Nf3 d2 {HT} {-20}
>>Nodes: 47931301 NPS: 539281
>>Time: 00:01:28.88
>>depth=19 +1.61 t 7...Ka6 8.Ng1 Kb5 9.c6 Kxc6 10.Kc4 Kd6 11.Nf3 Ke6 12.Ng1 Kf5
>>13.Kc5 Kg4 14.Kc4H Kg3H 15.Kd5H {HT} {-100}
>>Nodes: 60731982 NPS: 532596
>>Time: 00:01:54.03
>>depth=19 +1.61 . 7...Ka6 8.Ng1 Kb5 9.c6 Kxc6 10.Kc4 Kd6 11.Nf3 Ke6 12.Ng1 Kf5
>>13.Kc5 Kg4 14.Kc4 Kg3 15.Kd5 {HT} {-100}
>>Nodes: 82105333 NPS: 536320
>>Time: 00:02:33.09
>>depth=20 +1.76 t 7...Ka6 8.Ng1 Kb5 9.c6 Kxc6 10.Kc4 Kd6 11.Nf3 Ke6 12.Ng1 Kf5
>>13.Kc5 Kg4 14.Kd5 a4 15.Kc4 {HT} {-100}
>>Nodes: 109892425 NPS: 527897
>>Time: 00:03:28.17
>>
>>Uri
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