Author: Mike Byrne
Date: 13:23:16 02/23/03
Ruffian , among others, like Shredder 7, gets confused by this position, It thinks it's mate in 18 for black and plays Kxd7 -- which, unfortunately leads to a Mate in 18 for BLACK!. The problem here is that the EGTB does not recognizing castling rights and the program is not examining them either. Proper play is Kd8 and black mates in 18 [d] 2k5/3P4/8/8/8/8/1r5p/R3K3 b Q - 0 1 Ruffian 1.0.1 analysis New game 2k5/3P4/8/8/8/8/1r5p/R3K3 b Q - 0 1 Analysis by Ruffian 1.0.1: 1. -+ (-#17): 1...Kxd7 2.0-0-0+ Ke6 3.Kxb2 Kf5 2. -+ (-#18): 1...Kd8 2.Ra8+ Kxd7 (Byrne, Secane, PA USA 23.02.2003) Proper Analysis: If black plays Kxd7, then it is mate for white in 18 with 0-0-0 as shown by Fritz 8. [d]8/3k4/8/8/8/8/1r5p/R3K3 w Q - 0 1 Analysis by Fritz 8: 1. +- (#18): 2.0-0-0+ Ke6 3.Kxb2 Ke5 4.Kc3 2. -+ (-#16): 2.Ra7+ Kc6 3.Rh7 h1Q+ 4.Rxh1 Rb1+ (Byrne, Secane, PA USA 23.02.2003)
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