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Interesting position from Jouni Uski
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GeoffW
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PostPost subject: Interesting position from Jouni Uski    Posted: Wed May 02, 2007 6:14 pm Reply to topic Reply with quote

Hi

[D]5K2/8/2qk4/2nPp3/3r4/6B1/B7/3R4 w - e6 0 1
   ::    ::    WK    ::
::    ::    ::    ::    
   :: BQ BK    ::    ::
::    BN WP BP    ::    
   ::    BR    ::    ::
::    ::    ::    WB    
WB ::    ::    ::    ::
::    :: WR ::    ::    


Thought it was worth reposting this in programmers forum as this is a very interesting position for showing up engine bugs with FEN reading, ep captures and checks. This is a mate in 1 position due to the ep capture.

I was really surprised to find how many well known engines cant see the mate in 1

Ruffian, Crafty, Frenzee, Pharoan, Baron, Aice, Colossus, Homer2 to name but a few.

Happy bug hunting Very Happy

Geoff
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Display posts from previous:   
Subject Author Date/Time
Interesting position from Jouni Uski GeoffW Wed May 02, 2007 6:14 pm
      Re: Interesting position from Jouni Uski NKOTB Wed May 02, 2007 6:43 pm
      Re: Interesting position from Jouni Uski Alessandro Scotti Wed May 02, 2007 6:59 pm
            Re: Interesting position from Jouni Uski Zlaire Wed May 02, 2007 7:34 pm
                  Re: Interesting position from Jouni Uski GeoffW Wed May 02, 2007 9:36 pm
                        Re: Interesting position from Jouni Uski Robert Hyatt Fri May 04, 2007 3:11 pm
                              Re: Interesting position from Jouni Uski Alessandro Scotti Fri May 04, 2007 4:04 pm
                                    Re: Interesting position from Jouni Uski Robert Hyatt Fri May 04, 2007 7:44 pm
                                          Re: Interesting position from Jouni Uski Alessandro Scotti Fri May 04, 2007 8:07 pm
                                                Re: Interesting position from Jouni Uski Robert Hyatt Fri May 04, 2007 8:17 pm
                                                      Re: Interesting position from Jouni Uski GeoffW Sat May 05, 2007 11:09 am
                                                            Re: Interesting position from Jouni Uski Robert Hyatt Sat May 05, 2007 4:59 pm
                                                                  Re: Interesting position from Jouni Uski Zlaire Sun May 06, 2007 10:51 am
                                                                        Re: Interesting position from Jouni Uski Robert Hyatt Mon May 07, 2007 5:21 pm
                                                                  Early output suppression Steven Edwards Sun May 06, 2007 2:26 pm
                                                                  Re: Interesting position from Jouni Uski GeoffW Mon May 07, 2007 9:07 am
                                                                        Re: Interesting position from Jouni Uski Robert Hyatt Mon May 07, 2007 5:23 pm
                                                                              Re: Interesting position from Jouni Uski J. Wesley Cleveland Tue May 08, 2007 8:20 am
                                                                                    Re: Interesting position from Jouni Uski Robert Hyatt Tue May 08, 2007 4:37 pm
                                                                                          Re: Interesting position from Jouni Uski J. Wesley Cleveland Tue May 08, 2007 6:55 pm
      Re: Interesting position from Jouni Uski Robert Hyatt Fri May 04, 2007 3:09 pm
      Re: Interesting position from Jouni Uski MartinBryant Sat May 05, 2007 10:43 am
            Re: Interesting position from Jouni Uski GeoffW Sat May 05, 2007 11:17 am
                  Re: Interesting position from Jouni Uski MartinBryant Sat May 05, 2007 11:31 am
                  Re: Interesting position from Jouni Uski MartinBryant Sat May 05, 2007 11:36 am
                        Re: Interesting position from Jouni Uski GeoffW Sat May 05, 2007 11:45 am
                              Re: Interesting position from Jouni Uski MartinBryant Sat May 05, 2007 11:49 am
                                    Re: Interesting position from Jouni Uski GeoffW Sat May 05, 2007 12:58 pm
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