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Redundant knight
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Lyudmil Tsvetkov



Joined: 12 Jun 2012
Posts: 5988

PostPost subject: Re: Redundant knight    Posted: Sat Jun 21, 2014 11:59 am Reply to topic Reply with quote

[d]4rbk1/1pp2ppp/p1b2n2/8/8/P1N2N1P/1P3PP1/R2R2K1 w - - 0 1
   ::    :: BR BB BK ::
:: BP BP    :: BP BP BP
BP :: BB ::    BN    ::
::    ::    ::    ::    
   ::    ::    ::    ::
WP    WN    :: WN :: WP
   WP    ::    WP WP ::
WR    :: WR ::    WK    

Another typical redundancy-related position. Pair of bishops + pawn are usually completely equal to R+N, but here there are specificities in terms of available redundancies for both sides.

Black does not have even a single redundancy, even partial, in a set of 4 pieces, while white has 2 redundant rook and knight pairs. This would give white an additional advantage of some 30cps, and therefore I think objectively black is better here.

[d]6k1/1pp1bpp1/p1b4p/8/8/P1N4P/1P3PP1/3R2K1 w - - 0 1
   ::    ::    :: BK ::
:: BP BP    BB BP BP    
BP :: BB ::    ::    BP
::    ::    ::    ::    
   ::    ::    ::    ::
WP    WN    ::    :: WP
   WP    ::    WP WP ::
::    :: WR ::    WK    

Once we remove the redundant pairs, the position is completely equal.
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Subject Author Date/Time
Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 10:38 am
      Re: Redundant knight H.G.Muller Fri Jun 20, 2014 11:03 am
            Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 11:54 am
                  Re: Redundant knight H.G.Muller Fri Jun 20, 2014 4:01 pm
      Re: Redundant knight Lucas Braesch Fri Jun 20, 2014 11:21 am
            Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 12:03 pm
      Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 11:37 am
      Re: Redundant knight Louis Zulli Fri Jun 20, 2014 11:50 am
            Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 12:13 pm
                  Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 12:36 pm
                        Thanks Louis Zulli Fri Jun 20, 2014 1:27 pm
                              Re: Thanks Lyudmil Tsvetkov Fri Jun 20, 2014 2:09 pm
                                    Re: Thanks Arjun Temurnikar Fri Jun 20, 2014 2:32 pm
                                    Re: Thanks Louis Zulli Fri Jun 20, 2014 4:12 pm
                                    Re: Thanks Louis Zulli Fri Jun 20, 2014 4:21 pm
                                          Re: Thanks Lyudmil Tsvetkov Fri Jun 20, 2014 4:30 pm
                                    Re: Thanks Robert Hyatt Sat Jun 21, 2014 2:51 am
                                          Re: Thanks Lyudmil Tsvetkov Sat Jun 21, 2014 6:53 am
      Re: Redundant knight Arjun Temurnikar Fri Jun 20, 2014 1:41 pm
            Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 2:26 pm
                  Re: Redundant knight Arjun Temurnikar Fri Jun 20, 2014 3:03 pm
                        Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 3:40 pm
                              Re: Redundant knight Arjun Temurnikar Fri Jun 20, 2014 4:43 pm
            Re: Redundant knight Joerg Oster Fri Jun 20, 2014 2:33 pm
                  Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 3:12 pm
                        Re: Redundant knight Arjun Temurnikar Fri Jun 20, 2014 3:19 pm
                              Re: Redundant knight Arjun Temurnikar Fri Jun 20, 2014 3:35 pm
                                    Re: Redundant knight Lyudmil Tsvetkov Fri Jun 20, 2014 3:51 pm
                                    Re: Redundant knight Lucas Braesch Fri Jun 20, 2014 6:47 pm
                                          Re: Redundant knight Arjun Temurnikar Fri Jun 20, 2014 7:23 pm
                                                Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 1:31 am
                                                      Re: Redundant knight Bernhard Bauer Sat Jun 21, 2014 5:31 am
                                                            Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 6:57 am
                                                      Re: Redundant knight H.G.Muller Sat Jun 21, 2014 7:54 am
                                                            Re: Redundant knight Matthew R. Brades Sat Jun 21, 2014 8:04 am
                                                                  Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 8:57 am
                                                            Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 8:48 am
                                                                  Re: Redundant knight H.G.Muller Sat Jun 21, 2014 9:19 am
                                                                        Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 10:00 am
      Re: Redundant knight Bernhard Bauer Sat Jun 21, 2014 5:22 am
            Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 7:07 am
                  Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 9:30 am
                        Re: Redundant knight H.G.Muller Sat Jun 21, 2014 9:45 am
                              Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 10:21 am
                                    Re: Redundant knight H.G.Muller Sat Jun 21, 2014 11:31 am
                                          Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 11:38 am
                                          Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 11:38 am
                                                Re: Redundant knight H.G.Muller Sat Jun 21, 2014 11:52 am
                                                      Re: Redundant knight Arjun Temurnikar Sat Jun 21, 2014 2:23 pm
                              Re: Redundant knight Kevin Hearn Sat Jun 21, 2014 10:30 am
                                    Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 11:16 am
                                          Re: Redundant bishop Bernhard Bauer Sat Jun 21, 2014 11:36 am
                                                Re: Redundant bishop Lyudmil Tsvetkov Sat Jun 21, 2014 12:10 pm
                                                      Re: Redundant bishop H.G.Muller Sat Jun 21, 2014 12:16 pm
                                          Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 11:59 am
                                                Re: Redundant knight Lyudmil Tsvetkov Sat Jun 21, 2014 12:58 pm
                                          Re: Redundant knight H.G.Muller Sat Jun 21, 2014 12:11 pm
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