Author: Vincent Lejeune
Date: 14:40:14 04/20/05
Go up one level in this thread
On April 20, 2005 at 08:21:38, Ricardo Gibert wrote: >On April 20, 2005 at 05:53:14, Vincent Lejeune wrote: > >>On April 19, 2005 at 22:42:50, Dan Andersson wrote: >> >>> The goal is Ke4/Be5/Rf5. And Rf5 first is a practical choice for a first move, >>>instead of Kg2/Be5. It helps keep the black pawns in line. >> >>"It helps keep the black pawns in line." <- why it help that and why "keep the >>black pawns in line", please ? > >No reason. The moves Rf5, Be5, Kg2, a4 all correspond to a clear winning plan >and are all equally good. > >It's pointless to give this position to an engine to see if it can find a win >from the beginning position, since it requires far too much depth. More >interesting is to let engines play it out to see if they wander all the way >through the correct winning line effectively by a process of elimination. Ok I understand now, the purpose of Rf5 and Be5 is to shelter the king from check. Great position ! (all black pawn push is welcome because it only weakend the pawn structure) [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "New"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "5r2/ppp3k1/5r1p/7P/8/2B5/PPP5/5R1K w - - 0 1"] [PlyCount "19"] 1. Rf5 R8f7 2. Kg2 Rf8 3. Be5 R8f7 4. Kf3 Rf8 5. Ke4 R8f7 6. b4 Rf8 (6... a6 7. c4 Rf8 8. b5 a5 9. c5 R8f7 10. b6 cxb6 11. cxb6) 7. b5 R8f7 8. a4 Rf8 9. a5 R8f7 10. a6 * 1-0 [d]8/ppp2rk1/P4r1p/1P2BR1P/4K3/8/2P5/8 b - - 0 10
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