Author: Mike Byrne
Date: 20:12:45 01/29/06
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On January 29, 2006 at 21:58:16, Mike S. wrote: >Hi Mike, > >do you know the source (game or study) of the position you posted here: > >http://www.talkchess.com/forums/1/message.html?483032 >[D]8/3R1P2/1ppP1p2/3r4/8/K7/p4k2/8 w - - 0 1 > >(I collect good test positions) > >Thanks, >M.Scheidl A. Herbstmann 1954 Another study by Herbstmann not full appreciated by Rybka due to the possible knight promotions [d]8/8/8/7n/8/7N/3kp1K1/5n2 w - - 0 1 However, Rybka does find this mate-in-14 pretty quickly [d] 8/1N6/8/8/3n2n1/3k4/4n3/3K4 b - - 21 13 Rybka 1.01 Beta 13b: 3 00:00 792 0 +8.70 13. ... Nc3+ 14.Kc1 4 00:00 2.112 0 +8.65 13. ... Nc3+ 14.Kc1 4 00:00 2.472 0 +8.73 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 5 00:00 5.728 0 +9.61 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 6 00:00 9.089 282.034 +6.76 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 7 00:00 28.071 363.857 +6.76 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 8 00:00 55.574 360.175 +9.61 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 9 00:00 75.828 329.016 +9.61 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 10 00:00 119.960 313.364 +9.67 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 11 00:00 201.417 306.465 +9.67 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 12 00:01 340.606 305.412 +9.67 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1 13 00:01 448.390 312.347 +M14 13. ... Nf2+ 14.Ke1 Ne4 15.Kf1 Ke3 16.Ke1 Nc2+ 17.Kd1 Nb4 18.Na5 N4c3+ 19.Ke1 Nd3+ 20.Kf1
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