Author: Uri Blass
Date: 06:55:08 06/22/04
Go up one level in this thread
On June 22, 2004 at 09:46:36, Dieter Buerssner wrote: >On June 20, 2004 at 17:17:37, Vincent Lejeune wrote: > >>On June 19, 2004 at 19:09:05, Dieter Buerssner wrote: >> >>>On June 18, 2004 at 07:17:04, Joachim Rang wrote: >>> >>>>Hi, >>>> >>>>Dr John nunn created a Testset containing 10 endgame positions on the boarder >>>>between draw ans won for one side: >>>> >>>>http://www.geocities.com/CapeCanaveral/Launchpad/2640/pgn/tests/NET.zip >>>> >>>>The position Nr. 8 is this: >>>> >>>>[D]8/8/p4Bp1/1pPb2P1/1P2kp2/P7/5K2/8 w - - 0 1 >>>> >>>>Winning: >>>> >>>>1.Bf6-g7 Ke4-d3 2.Bg7-e5 f4-f3 3.Be5-g3 Bd5-c6 4.Kf2-f1 Kd3-c3 5.Bg3-e1+ Kc3-b2 >>>>6.Kf1-f2 Kb2xa3 7.Be1-d2 a6-a5 8.b4xa5 b5-b4 9.Kf2-e3 b4-b3 10.Bd2-c3 b3-b2 >>>>11.Bc3xb2+ Ka3xb2 12.Ke3-d2 Kb2-b3 13.Kd2-d3 Kb3-b4 14.a5-a6 Kb4xc5 15.a6-a7 >>>>Bc6-a8 16.Kd3-e3 Kc5-c4 >>> >>>How do you continue after 5.Bc7 instead of 5. Be1+? (Idea, witch B on c7, a6-a5 >>>will not be possible). > >>If the white bishop want to avoid a5, the black king go to f5 to force the white >>bishop to protect the g5 pawn and then push a5! > >Thanks Vincent. I got it know. Actually I get +5 score now after 3. Bg3. But now >Yace suggests 3. c6. I don't find a win here for black. Can you suggest a line? >I tried grabbing the a-pawn, then going with black K to f5, then pushing a5. >Black will capture on a5 with the bishop, and give the g-pawn for free. > >[D] 3B4/8/p5p1/1p1b1kP1/1P6/4Kp2/8/8 b - - > >a5 Bxa5. > >And from here, I cannot find progress. Of course one can push the g-pawn a bit, >But I didn't find more. Can you, or anybody else show a line? > >Regards, >Dieter Maybe black needs to play Bc6 immediatly if white does not play 1.c6. I had no time to analyze it. Uri Uri
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