Author: John Merlino
Date: 15:37:05 04/02/02
Go up one level in this thread
On April 02, 2002 at 16:37:41, José Antônio Fabiano Mendes wrote: > [D]8/p6R/k1K5/b4R2/8/7n/1P6/6n1 w > Source ==> http://www.chathurangam.com/problemcorner/article16.asp > > "In Rundlauf a piece has to describe a closed figure. In other words, the >piece which commences the de tour must complete by arriving at the starting >square. The five-mover below is an impressive example of a rectangular Rundlauf >which can be shown only in a problem of such length. There is white strategy in >forcing the bishop moves. The two white rooks are sacrificed en route and the >little white pawn has the last laugh. >Dr E Zepler, Schwalbe 1937 >White:Kc6 Rf5 Rh7 Pb2 Black: Ka6 Ba5 Ng1 Nh3 Pa7 >White to mate in five moves >Solution: 1.R(h)h5, Be1 2.Rh4!, Bxh4 3.b4, Bd8 4.Ra5+!, Bxa5 5.b5 mate." Twelve seconds for Chessmaster on a PIII-600: Time Depth Score Positions Moves 0:00 1/3 2.39 971 1.Rh4 Ne2 2.Rxa5+ Kxa5 3.Rxh3 0:00 1/3 4.04 3392 1.b4 Bxb4 2.Rff7 Be7 3.Rxe7 0:00 2/4 5.15 6305 1.b4 Bxb4 2.Rff7 Be7 3.Rxe7 Ka5 4.Rxa7+ Kb4 0:00 3/5 Mate06 20772 1.b4 Bxb4 2.Rff7 Be7 3.Rxe7 Ka5 4.Re4 a6 5.Rh5+ Ng5 6.Rxg5# 0:00 4/6 Mate06 46670 1.b4 Bxb4 2.Rff7 Be7 3.Rxe7 Ka5 4.Re4 a6 5.Rh5+ Ng5 6.Rxg5# 0:01 5/7 Mate06 152447 1.b4 Bxb4 2.Rff7 Be7 3.Rxe7 Ka5 4.Re4 a6 5.Rh5+ Ng5 6.Rxg5# 0:03 6/8 Mate06 374222 1.b4 Bxb4 2.Rff7 Be7 3.Rxe7 Ka5 4.Re4 a6 5.Rh5+ Ng5 6.Rxg5# 0:08 7/9 Mate06 1008862 1.b4 Bxb4 2.Rff7 Be7 3.Rxe7 Ka5 4.Re4 a6 5.Rh5+ Ng5 6.Rxg5# 0:12 7/9 Mate05 1429391 1.Rhh5 Ng5 2.Rhxg5 Bd2 3.Rf1 Be1 4.Rxe1 Ne2 5.Ra1# jm
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