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What engine can see the best move Bf8+!
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Jorge Pichard



Joined: 09 Mar 2006
Posts: 2557
PostPost subject: Re: Komodo Finally solve this position    Posted: Thu Apr 26, 2012 11:04 am Reply to topic Reply with quote
[quote="pichy"][quote="pichy"]Why Komodo and Hannibal don’t find the best move in this position Bf8+!. This is a great position which most engine don’t see as winning immediately for White since they don't support null pruning heuristic. This is where top GMs are superior to top engines in long term calculations.

[D]6R1/8/2pB3k/2P4p/5p1q/5P2/4P1K1/8 w - - 0 1
   ::    ::    :: WR ::
::    ::    ::    ::    
   :: BP WB    ::    BK
::    WP    ::    :: BP
   ::    ::    BP    BQ
::    ::    :: WP ::    
   ::    :: WP :: WK ::
::    ::    ::    ::    

FEN: 6R1/8/2pB3k/2P4p/5p1q/5P2/4P1K1/8 w - - 0 1

[Event "?"]
[Site "?"]
[Date "2012.04.23"]
[Round "?"]
[White " Komodo64 SSE Version 4"]
[Black "Komodo64 SSE Version 4"]
[Result "*"]
[BlackElo "3040"]
[Time "16:13:16"]
[WhiteElo "3040"]
[TimeControl "0+10"]
[SetUp "1"]
[FEN "5BR1/8/2p4k/2P4p/5p1q/5P2/4P1K1/8 b - - 1 1"]
[Termination "normal"]
[PlyCount "31"]
[WhiteType "program"]
[BlackType "program"]

1. ...+ Kh7 2. Rg7+ Kh8 3. Be7 Qe1 4. Bf6 Qxe2+ 5. Kh1 Qc4 6. Ba1 h4 7. Bf6
h3 8. Ba1 h2 9. Bf6 Qe6 10. Bd4 Qh6 11. Rg6+ Kh7 12. Rxh6+ Kxh6 13. Be5 Kg6
14. Bb8 Kg5 15. Kxh2 Kf5 16. Kh3 Kg5 {Black resigns} *

Only after I entered Bf8+ manually, Komodo see the the winning lines :
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Subject Author Date/Time
What engine can see the best move Bf8+! Jorge Pichard Tue Apr 10, 2012 6:51 am
      Re: What engine can see the best move Bf8+! Robert Houdart Tue Apr 10, 2012 9:18 am
            Re: What engine can see the best move Bf8+! Jorge Pichard Tue Apr 10, 2012 11:16 pm
                  Re: What engine can see the best move Bf8+! om prakash Thu Apr 12, 2012 6:46 pm
            Re: What engine can see the best move Bf8+! Dan Andersson Wed Apr 11, 2012 1:07 am
                  Re: What engine can see the best move Bf8+! Jorge Pichard Wed Apr 11, 2012 1:52 am
                        Re: What engine can see the best move Bf8+! Sam Hamilton Wed Apr 11, 2012 3:37 am
                              Re: What engine can see the best move Bf8+! Jorge Pichard Wed Apr 11, 2012 8:21 am
                                    Re: What engine can see the best move Bf8+! Sam Hamilton Wed Apr 11, 2012 12:47 pm
                                          Re: What engine can see the best move Bf8+! Jorge Pichard Wed Apr 11, 2012 5:10 pm
                                                Re: What engine can see the best move Bf8+! Sam Hamilton Thu Apr 12, 2012 12:44 am
                                                      Re: What engine can see the best move Bf8+! Jorge Pichard Thu Apr 12, 2012 1:33 am
            Re: What engine can see the best move Bf8+! kgburcham Wed Apr 11, 2012 3:07 am
            Re: What engine can see the best move Bf8+! Ernest Bonnem Wed Apr 11, 2012 2:49 pm
            Re: What engine can see the best move Bf8+! Uri Zlatnik Thu Apr 12, 2012 1:56 am
                  Re: What engine can see the best move Bf8+! Jorge Pichard Thu Apr 12, 2012 2:12 am
                  Re: What engine can see the best move Bf8+! Ernest Bonnem Thu Apr 12, 2012 7:54 am
                        Re: What engine can see the best move Bf8+! Uri Zlatnik Thu Apr 12, 2012 8:05 am
                        Re: What engine can see the best move Bf8+! Jorge Pichard Thu Apr 12, 2012 12:20 pm
                              Re: What engine can see the best move Bf8+! Uri Zlatnik Thu Apr 12, 2012 1:24 pm
                                    Re: What engine can see the best move Bf8+! Jorge Pichard Thu Apr 12, 2012 2:58 pm
                                          Re: What engine can see the best move Bf8+! Matthew R. Brades Thu Apr 12, 2012 5:05 pm
                                                Re: What engine can see the best move Bf8+! Jorge Pichard Thu Apr 12, 2012 5:15 pm
                                                      Re: What engine can see the best move Bf8+! Martin Hertz Thu Apr 12, 2012 5:58 pm
                                                      Re: What engine can see the best move Bf8+! Tano-Urayoan Russi Roman Thu Apr 12, 2012 8:14 pm
                                                            Re: What engine can see the best move Bf8+! Jorge Pichard Thu Apr 12, 2012 9:45 pm
                                                            Re: What engine can see the best move Bf8+! Jorge Pichard Thu Apr 12, 2012 9:45 pm
                                                            Re: What engine can see the best move Bf8+! Graham Banks Thu Apr 12, 2012 9:53 pm
                                                                  Re: What engine can see the best move Bf8+! Marek Kwiatkowski Fri Apr 13, 2012 10:14 am
                                                                        Re: What engine can see the best move Bf8+! Gary Fri Apr 13, 2012 2:08 pm
                                                                              Re: What engine can see the best move Bf8+! Marek Kwiatkowski Fri Apr 13, 2012 7:17 pm
                                                                                    Re: What engine can see the best move Bf8+! Gary Sat Apr 14, 2012 2:10 am
                                                                        Re: What engine can see the best move Bf8+! Marek Kwiatkowski Fri Apr 13, 2012 3:28 pm
                                                                              Re: What engine can see the best move Bf8+! Jorge Pichard Sat Apr 14, 2012 1:39 am
                                                                                    Re: What engine can see the best move Bf8+! Lucas Braesch Sat Apr 14, 2012 6:41 am
                                                                                          Re: What engine can see the best move Bf8+! Jorge Pichard Sat Apr 14, 2012 7:19 am
                                                                                          Re: What engine can see the best move Bf8+! Jorge Pichard Sat Apr 14, 2012 6:44 pm
            Re: What engine can see the best move Bf8+! Jorge Pichard Sun Apr 22, 2012 11:33 pm
      Re: What engine can see the best move Bf8+! Louis Zulli Tue Apr 10, 2012 10:21 am
            Re: What engine can see the best move Bf8+! Andrea Sorcinelli Tue Apr 10, 2012 11:41 am
                  Re: What engine can see the best move Bf8+! Zlatin Stoyanov Tue Apr 10, 2012 12:13 pm
                        Re: You don't consider Komodo and Hannibal Modern Engines ? Jorge Pichard Tue Apr 10, 2012 12:52 pm
                              Re: You don't consider Komodo and Hannibal Modern Engines ? Jorge Pichard Tue Apr 10, 2012 7:05 pm
                        Re: What engine can see the best move Bf8+! Louis Zulli Tue Apr 10, 2012 8:03 pm
      Re: What engine can see the best move Bf8+! Jesús Muñoz Wed Apr 11, 2012 11:07 am
      Re: What engine can see the best move Bf8+! Gary Wed Apr 11, 2012 12:16 pm
            Re: What engine can see the best move Bf8+! Jorge Pichard Thu Apr 12, 2012 12:10 am
                  Re: Can you make this version available for more testing ? Jorge Pichard Thu Apr 12, 2012 4:54 pm
                        Re: Can you make this version available for more testing ? Gary Fri Apr 13, 2012 3:20 pm
                              Re: Can you make this version available for more testing ? Jorge Pichard Sat Apr 14, 2012 12:57 am
                                    Re: Can you make this version available for more testing ? Gary Sat Apr 14, 2012 2:12 am
      Re: Komodo Finally solve this position Jorge Pichard Mon Apr 23, 2012 9:06 pm
            Re: Komodo Finally solve this position Jorge Pichard Thu Apr 26, 2012 11:04 am
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