Author: Klaus Evers
Date: 12:20:12 06/18/99
Go up one level in this thread
On June 18, 1999 at 15:05:28, KarinsDad wrote: >On June 18, 1999 at 14:21:47, Klaus Evers wrote: > >> >>>>how about >>>>70 ... Re6 >>>>71 a7 Ra6 >>>>72 Rb6+ Rxb6 >>>>73 a8=Q Re6 >>>> >>>>can white win that position? >>>>definitely YES, if the bp would stand on e5. >>>>but it is on e4! >>>> >>>>what do you think? >>>> >>>>bye >>>>K.E. >>> >>>See my other post. This variation is listed there (without the 73 ... Re6 move) >>>and a five piece tablebase (kqkrp) may find a win here for white. >>> >>>But black is not forced to play 70 ... Re6. I think black is just required to >>>stay on the e file, but not e7. >>> >>>KarinsDad :) >> >>yes,70 ... Re6 is not the best idea. Re5->a5 is better, but in your prev. >>postigs you have been correct. wK-> a file .... wait... >>no!! >> >>black will check white all the time, no escape and no opportunity to >>do a8=Q !! >>K.E +++++++++First of all, you are a really cool calculator, doing all that in your head. and still not tired about it, well, I found a little mistake: > >How about: > >69 Rb7 Re8 >70 a7 Ra8 >71 Kxe4 Kf6 >72 Kd5 Kf5 >73 Kc6 Ke5 >74 Kb6 Rh8 >75 Rb8 Rh6+ >76 Kb5 any >77 a8/Q > >any attempt to check the king with the rook results in the king heading towards >the a file and the a pawn queening (after Rb8). So, Re8 looks real bad. > >69 Rb7 Re5 >70 a7 Ra5 >71 Kxe4 Kf6 >72 Kd4 Ke6 >73 Kc4 Kd6 >74 Kb4 Ra1 >75 Kb5 Rb1+ 76 Ka4 Ra1+ again!! and then back to the a file and then check again and on and on and on and on and on and on and on and on and on and on and on and on and on and on and on and on and on and on .... ok, only until 3 times reputition. >76 Ka4 Rxb7 >77 a8/Q > and now it would be kqkr, but I am not sure if a win can be forced in that. mostly kqkr is a win, (I saw it in a book by Juri Awerbach (do you want to get it by e-mail??) ) > >69 Rb7 Re6 >70 a7 Ra6 >71 Kxe4 Kf6 >72 Kd5 Kf5 >73 Kc5 Ke5 >74 Kb5 Ra1 >75 Kb6 Kd6 >76 Rb8 Rb1+ >77 Ka6 Ra1+ >78 Kb7 Rb1+ >79 Ka8 Rh1 >80 Rb2 Kc7 > >draw. So, the only possibility for white with black playing Re6 would seem to >be: > >69 Rb7 Re6 >70 a7 Ra6 >71 Rb6+ Rxb6 >72 a8/Q as I stated before, Re6 is not that good. overall Re5->a5 is the real cure! > >and whether kqkrp can be turned into a win is also beyond me (I doubt it >though). > >KarinsDad :) > >PS. I did these variations in my head, so if I screwed up, don't shoot me. Really good work, though. I had the support of a real chessboard. see U! Klaus Evers
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