Author: Sune Larsson
Date: 22:13:59 12/26/05
Go up one level in this thread
On December 26, 2005 at 17:04:11, Ross Boyd wrote: >On December 26, 2005 at 15:28:39, J. Wesley Cleveland wrote: > >>On December 26, 2005 at 13:17:59, Sune Larsson wrote: >> >>>We were discussing the possibility of making a *Ratinglist for Endings*. >>>Starting off from the Nunn endings [except n:o 3] - and then adding some. >>>Proposed are 40 moves in 40 minutes. >>> >>>The Nunn positions: >>> >>>8/1ppr1kp1/p1p4p/8/8/5P2/PPP1RKPP/8 w - - 0 1 >>>8/1pk3pp/p7/3p1p2/3K4/6P1/PP2PP1P/8 b - - 0 1 >>>8/4k3/r4pp1/pR6/P4KP1/5P2/8/8 w - - 0 1 >>>8/p1p1k3/1p1p2p1/3Pq2p/2P1P3/1P3QPK/P7/8 w - - 0 1 >>>8/p3ppk1/1p4pp/3nN3/6PP/1P3P2/P3PK2/8 w - - 0 1 >>>7k/pp4pp/2n5/8/8/P7/1P4PP/2K1B3 b - - 0 1 >>>8/8/p4Bp1/1pPb2P1/1P2kp2/P7/5K2/8 w - - 0 1 >>>8/4k3/p1B4p/2K5/1P4bP/8/8/8 b - - 0 1 >>>3R4/1p6/2b5/2P1k2p/p3p2P/P6r/1P2KB2/8 b - - 0 1 >>> >>>Possible adds right now - but these have to be checked a bit more. >>>Maybe change one "good knight vs bad bishop" [there are 3 of them here] - >>>for another pawn ending. >>> >>>8/5b2/1k2p1p1/2NpP1P1/1K1P4/8/8/8 w - - 0 1 >>>8/5p1k/r5pp/P7/3R3P/6P1/5PK1/8 w - - 0 1 >>>4b3/5k2/4p1p1/3pP2p/2pP1P1P/2P5/6N1/2K5 w - - 0 1 >>>8/1p1b2k1/p1p1p1p1/2P1P2p/1P3P1P/P2B4/5K2/8 w - - 0 1 >>>6k1/2p3np/1p1p2p1/3P4/1PPK1R2/6PB/7P/4r3 w - - 0 1 >>>1n6/4k2p/p3ppp1/1pPp4/3P1PP1/3NP3/P3K2P/8 w - - 0 1 >>>3r4/7p/Rp4k1/5p2/4p3/2P5/PP3P1P/5K2 b - - 0 1 >>>8/4k3/1p2b1pp/p1p1p3/P1P1P3/1P3P1P/5KB1/8 b - - 0 37 >>>2r5/1p1k1p2/p2p2p1/P1PPnp1p/1P1K1N1P/5P2/4R1P1/8 w - - 0 1 >>>8/6b1/4k2p/p1p1p1p1/2P1K1P1/PP3N1P/8/8 w - - 0 1 >>>2r3k1/4pp1p/3p2p1/p2R4/1r6/1P4P1/P3PP1P/R5K1 b - - 0 1 >>> >> >>Do you have solutions for these? > >I think the idea is to play matches between engines using these positions as >starting positions - and thus measure endgame performance. The positions are >meant to be fairly balanced. > >Ross Yes, fairly balanced is the word for the first 9 Nunn positions. In my 11 additions there are several won positions - rookE - "good knight vs bad bishop" - bishopE with the better bishop etc. In these positions the point is winning and not throw away half a point. /S
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