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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: 2558
PostPost subject: Re: Last position White to play and win with Rd+    Posted: Sat Mar 17, 2012 8:09 pm Reply to topic Reply with quote
Last position to solve, white to play and win, let see if FruitFly can find Rd6+
[D]1nb3rr/2pp3p/p1k2P2/n1q1PN2/P1pR3N/b4PBp/1R2P3/1KQ5 w - - 0 1
   BN BB ::    :: BR BR
::    BP BP ::    :: BP
BP :: BK ::    WP    ::
BN    BQ    WP WN ::    
WP :: BP WR    ::    WN
BB    ::    :: WP WB BP
   WR    :: WP ::    ::
:: WK WQ    ::    ::    
ZirconiumX wrote:
Albert - I am merely testing these as a sanity test for FruitFly.

Jorge - See below

[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    ::    ::    


A first test to see what FruitFly would give:

Score : +2.30
Depth : 14/1
Time : 00:01:08
Nodes : 6080000
N/sec : 88975
1. Rxe6 Qxe6 2. Qc5 Qa6 3. Ne7 Kf7 4. Bxd5 Bxd5 5. Nxd5

Clear hash test #2:

Score : -0.13
Depth : 5/1
Time : 00:00:00
Nodes : 11504
N/sec : 21570
1. Rxe6 Ra6

Less than one second.

Yawn.

Next!

Matthew:out
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Display posts from previous:   
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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