Author: Uri Blass
Date: 16:27:49 09/05/04
Go up one level in this thread
On September 05, 2004 at 19:17:24, Günther Simon wrote: >On September 05, 2004 at 19:04:48, Uri Blass wrote: > >>On September 05, 2004 at 18:55:53, Günther Simon wrote: >> >>>On September 04, 2004 at 11:46:48, Ed Schröder wrote: >>> >>>>Does someone possess a good test set for testing Perpetual Checks ? >>>> >>>>Thanks. >>>> >>>>Ed >>> >>> >>>Well may be this one is too difficult for all current programs ;) >>>For the record, this game really happened just one hour ago >>>in a RWBC test tourney with live broadcast. >>>Humans immediately see the draw I guess... >>>The prog with Black resigned a few moves after it saced the first rook >>>and started to check. May be with resign off it would have played >>>alright until 50 moves rule? (Resign was -8) >>> >>>[D] 7k/R5R1/8/3r3P/3r3K/5P2/6P1/8 w - - 0 59 >> >>No draw >>Movei finds the line >> >>g4 Rxg4+ Rxg4 Rxh5+ Kg3 Rh3+ Kf4 Rxf3+ Ke4 Re3+ Kd4 Rd3+ Kc4 Rc3+ Kb5 Rc5+ Ka4 >> >>Uri > >Movei is wrong. > >Günther No g4 Rxg4+ is the only check Rxh5+ Kxh5 Rd5+(only check) Rg5 Rxg5+ Kxg5 no stalemate later it is easy for me to see that black moves are the only checks and in the end after Ka4 white can take with the rook to avoid stalemate. Uri
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