Author: chandler yergin
Date: 07:57:08 03/27/05
Go up one level in this thread
On March 27, 2005 at 10:54:08, F. Huber wrote:
>On March 27, 2005 at 10:04:45, Vincent Lejeune wrote:
>
>>On March 27, 2005 at 09:30:30, chandler yergin wrote:
>>
>>>On March 27, 2005 at 07:43:03, Vincent Lejeune wrote:
>>>
>>>>On March 27, 2005 at 07:36:42, chandler yergin wrote:
>>>>
>>>>>On March 26, 2005 at 18:18:50, Mike Byrne wrote:
>>>>>
>>>>>>source: Selective Search magazine
>>>>>>
>>>>>>White(2): [d]8/p3P3/rp6/kp6/1p4PK/1P6/1P5p/4r2R w - - 0 1
>>>>>>White(1): st 120
>>>>>>search time set to 120.00.
>>>>>>White(1): g
>>>>>> clearing hash tables
>>>>>> time surplus 59.67 time limit 2:00 (2:00) [easy move]
>>>>>> depth time score variation (1)
>>>>>>starting thread 1
>>>>>> 14-> 0.08 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=2)
>>>>>> 15 0.08 0.01 1. Rxe1 h1=Q+ 2. Rxh1
>>>>>> 15-> 0.09 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=3)
>>>>>> 16 0.11 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=2)
>>>>>> 16-> 0.17 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=3)
>>>>>> 17 0.17 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=2)
>>>>>> 17-> 0.22 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=3)
>>>>>> 18 0.23 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=2)
>>>>>> 18-> 0.30 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=2)
>>>>>> 19 0.36 0.01 1. Rxe1 h1=Q+ 2. Rxh1
>>>>>> 19-> 2.11 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=3)
>>>>>> 20 2.17 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=2)
>>>>>> 20-> 21.17 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=3)
>>>>>> 21 21.31 0.01 1. Rxe1 h1=Q+ 2. Rxh1 (s=2)
>>>>>> 21 25.97 +1 1. e8=N!!
>>>>>> 21 1:25 1.33 1. e8=N Rg1 2. Kh5 Rc1 3. g5 Rg1 4.
>>>>>> Kh6 Rf1 5. g6 Rg1 6. Kh7 Rc1 7. g7
>>>>>> Rg1 8. Kh8 Rc1 9. g8=Q Rg1 10. Qg3
>>>>>> Rxh1 11. Nc7 Rd1 12. Qxh2
>>>>>> 21-> 1:25 1.33 1. e8=N Rg1 2. Kh5 Rc1 3. g5 Rg1 4.
>>>>>> Kh6 Rf1 5. g6 Rg1 6. Kh7 Rc1 7. g7
>>>>>> Rg1 8. Kh8 Rc1 9. g8=Q Rg1 10. Qg3
>>>>>> Rxh1 11. Nc7 Rd1 12. Qxh2
>>>>>> 22 1:45 +1 1. e8=N!!
>>>>>> time=2:00 cpu=357684% mat=-6 n=417517453 fh=89% nps=3.48M
>>>>>> ext-> chk=24204251 cap=581186 pp=2733634 1rep=657615 mate=89868
>>>>>> predicted=2 nodes=417517453 evals=224117562 50move=0
>>>>>> endgame tablebase-> probes=0 hits=0
>>>>>> SMP-> split=2723 stop=373 data=10/64 cpu=715823:17 elap=2:00
>>>>>>
>>>>>>White(1): e8=N
>>>>>> time used: 2:00
>>>>>>Black(1):
>>>>>
>>>>>
>>>>>Sorry it's a DRAW!
>>>>>[Event "?"]
>>>>>[Site "?"]
>>>>>[Date "????.??.??"]
>>>>>[Round "?"]
>>>>>[White "New game"]
>>>>>[Black "?"]
>>>>>[Result "*"]
>>>>>[SetUp "1"]
>>>>>[FEN "[D]8/p3P3/rp6/kp6/1p4PK/1P6/1P5p/4r2R w - - 0 1"]
>>>>>[PlyCount "3"]
>>>>>
>>>>>{Shredder 8: 1)} 1. Rxe1 ({Shredder 8: 2)} 1. e8=N Rg1 2. Nd6 Rxg4+ 3. Kxg4 {
>>>>>[%eval 0,17]}) 1... h1=Q+ 2. Rxh1 {[%eval 0,17]} *
>>>>
>>>>
>>>>2.Nd6 is a mistake, the winning line is above : 1. e8=N! Rg1 2. Kh5! Rc1 3. g5!
>>>>Rg1 4.Kh6! Rf1 5. g6! Rg1 6. Kh7! Rc1 7. g7! Rg1 8. Kh8! Rc1 9. g8=Q! Rg1 10.
>>>>Qg3 Rxh1 11. Nc7 Rd1 12. Qxh2
>>>
>>>I notice that the line you give of course has a 'high' evaluation
>>>as winning; but you didn't take the Line to Mate!
>>>
>>>I know you respect Fritz & Shredder analysis,,
>>>Right now I have Shredder running and at 26 Ply, so far it hasn't found a Mate.
>>>
>>>I'll keep it runnning, but would apprecite it, if you have found a Mate
>>>to please Post it, & save me some time.
>>>
>>>Thanks,
>>>Chan
>>
>>
>>Ok, here's the whole line :
>>
>>[Event "?"]
>>[Site "?"]
>>[Date "????.??.??"]
>>[Round "?"]
>>[White "e8=N!!"]
>>[Black "?"]
>>[Result "*"]
>>[SetUp "1"]
>>[FEN "8/p3P3/rp6/kp6/1p4PK/1P6/1P5p/4r2R w - - 0 1"]
>>[PlyCount "31"]
>>
>>1. e8=N Rg1 2. Kh5 Rd1 3. g5 Rg1 4. Kh6 Rd1 5. g6 Rg1 6. Kh7 Rf1 7. g7 Rg1 8.
>>Kh8 Rc1 9. g8=Q Rg1 10. Qg7 Re1 11. Kh7 Rg1 12. Qg6 Re1 13. Kh6 Rg1 14. Qg5 Rf1
>>15. Kh5 Rg1 16. Qg3 *
>>
>>Now, white king will go shelter on g2 and white have 2 mate threat N->d6->b7
>>mate and R->a1 mate
>
>Here´s a complete line showing a forced #21:
>
>ChestUCI Ver.4.0:
>CPU: Celeron 400MHz
>FEN: 8/p3P3/rp6/kp6/1p4PK/1P6/1P5p/4r2R w - -
>Parameters found in Database !
>Search for Special-Mate [C0/R-4/K1/P1/X14] in 21 ... (Hash=48MB)
> 21 00:15 601.388 52.892 +M21 1.e8S
>Search completed ... (Time=14.39s)
>Mate in 21 found ! (00:14)
>1.e8N Rg1 2.Kh5 Rf1 3.g5 Rg1 4.Kh6 Rf1 5.g6 Rg1 6.Kh7 Rf1 7.g7 Rg1 8.Kh8 Rf1
>9.g8Q Rg1 10.Qg7 Rf1 11.Kh7 Rg1 12.Qg6 Rf1 13.Kh6 Rg1 14.Qg5 Rf1 15.Kh5 Rg1
>16.Qg3 Rf1 17.Kh4 Re1 18.Nd6 Re4+ 19.Kh3 Rh4+ 20.Kg2 Rg4 21.Nb7#
>1 Solution (Mate in 21)
>
>Regards,
>Franz.
EXCELLENT! WOW!
Great Program!
Thanks!
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.