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These positions are too easy for engines around 2500-2600
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Jorge Pichard



Joined: 09 Mar 2006
Posts: 2559
PostPost subject: Re: These positions are too easy for engines around 2500-260    Posted: Sat Mar 17, 2012 7:08 pm Reply to topic Reply with quote
pichy wrote:
This position is a little bit more challenging for players less than 2300, I believe for this one you need an engine rated at least 2300 to find the best move.

White to play and win Exclamation

[D]3rq1k1/rb4p1/2R1npNp/3n4/3P4/p5BP/B4PPK/1RQ5 w - - 0 1
   ::    BR BQ :: BK ::
BR BB ::    ::    BP    
   :: WR :: BN BP WN BP
::    :: BN ::    ::    
   ::    WP    ::    ::
BP    ::    ::    WB WP
WB ::    ::    WP WP WK
:: WR WQ    ::    ::    


Human don't see everything since after 2 minutes observing this position I could not see the final outcome, but engine are monsters in tactical positions even predateur rated 1945 immediately saw Rce6! the winning move Rolling Eyes


FEN: 3rq1k1/rb4p1/2R1npNp/3n4/3P4/p5BP/B4PPK/1RQ5 w - - 0 1

Predateur2.2.1_x32:
3/3 00:00 1.610 0 -1.78 Rc6xe6 Qe8xe6 Ba2xd5
3/4 00:00 1.911 0 -1.61 Rb1xb7 Ra7xb7 Ba2xd5
3/4 00:00 2.429 0 -1.56 Ba2xd5 Bb7xc6 Qc1xc6
5/8 00:00 16.751 1.116.000 -0.16 Ba2xd5 Rd8xd5 Rc6b6 Rd5d7 Qc1e3
6/9 00:00 76.368 1.231.000 -0.18 Ba2xd5 Rd8xd5 Rc6xe6 Qe8xe6 Ng6f4 Qe6f7
7/14 00:00 160.398 1.471.000 +1.42 Rc6xe6 Qe8xe6 Qc1c5 Qe6a6 Ng6e7+ Kg8h7 Ba2xd5 Bb7xd5
8/16 00:00 389.255 1.385.000 +1.50 Rc6xe6 Qe8xe6 Qc1c5 Qe6a6 Ng6e7+ Kg8h7 Ba2xd5 a3a2 Qc5c2+
9/24 00:00 860.934 1.451.000 +1.51 Rc6xe6 Qe8xe6 Qc1c5 Qe6a6 Ng6f4 Kg8h7 Ba2xd5 a3a2 Qc5c2+ Kh7h8
10/29 00:01 2.078.961 1.497.000 +1.48 Rc6xe6 Qe8xe6 Qc1c5 Qe6a6 Rb1b6 Qa6e2 Rb6xb7 Ra7xb7 Ba2xd5+ Rb7f7 Bd5xf7+ Kg8xf7
11/31 00:03 5.477.897 1.526.000 +1.52 Rc6xe6 Qe8xe6 Qc1c5 Qe6a6 Bg3c7 Rd8d7 Rb1xb7 Qa6xb7 Ba2xd5+ Rd7xd5 Qc5xd5+ Qb7xd5 Ng6e7+ Kg8f7
12/33 00:13 19.296.639 1.501.000 +1.60 Rc6xe6 Qe8xe6 Qc1c5 Qe6a6 Bg3c7 Rd8d7 Rb1b6 Qa6a5 Qc5xa5 Ra7xa5 Rb6xb7 Ra5a6
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Subject Author Date/Time
These positions are too easy for engines around 2500-2600 Jorge Pichard Fri Mar 16, 2012 3:40 am
      Re: These positions are too easy for engines around 2500-260 john dalhem Sat Mar 17, 2012 7:33 am
            Re: These positions are too easy for engines around 2500-260 Jorge Pichard Sat Mar 17, 2012 11:46 am
      Re: These positions are too easy for engines around 2500-260 Albert Silver Sat Mar 17, 2012 12:20 pm
            Re: These positions are too easy for engines around 2500-260 Matthew R. Brades Sat Mar 17, 2012 12:33 pm
                  Re: Why does Chessbase post such easy puzzles in their site? Jorge Pichard Sat Mar 17, 2012 12:40 pm
                        Re: Why does Chessbase post such easy puzzles in their site? Albert Silver Sat Mar 17, 2012 1:19 pm
                              Re: Why does Chessbase post such easy puzzles in their site? Jorge Pichard Sat Mar 17, 2012 4:32 pm
                                    Re: Why does Chessbase post such easy puzzles in their site? Terry McCracken Sat Mar 17, 2012 5:28 pm
                                          Re: Why does Chessbase post such easy puzzles in their site? Matthew R. Brades Sat Mar 17, 2012 7:14 pm
                                                Re: Last position White to play and win with Rd+ Jorge Pichard Sat Mar 17, 2012 8:09 pm
                                                      Re: Last position White to play and win with Rd+ Matthew R. Brades Sat Mar 17, 2012 8:21 pm
                                                            Re: Last position White to play and win with Rd+ Jorge Pichard Sat Mar 17, 2012 11:32 pm
                                                Re: Why does Chessbase post such easy puzzles in their site? Albert Silver Sun Mar 18, 2012 1:55 pm
      Re: These positions are too easy for engines around 2500-260 kgburcham Sat Mar 17, 2012 1:45 pm
            Re: These positions are too easy for engines around 2500-260 Jorge Pichard Sat Mar 17, 2012 4:34 pm
                  Re: These positions are too easy for engines around 2500-260 Jorge Pichard Sat Mar 17, 2012 7:08 pm
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