1 problem(s) found in 2642 milliseconds (displaying 1 problem(s)). [PROBID='P1298076'] [download as LaTeX]
1 - P1298076
Andrew Buchanan
www.anselan.com 2002
(13+15) C+
White can draw with his next move
PG in 9.0
Andrew Buchanan
www.anselan.com 2002
(13+15) C+
White can draw with his next move
PG in 9.0
1. Sc3 Sf6 2. Se4 Sxe4 3. a4 Sxf2 4. a5 Sh3 5. a6 Sxg1 6. Txg1 Sc6 7. Th1 Sb8 8. Tg1 Sc6 9. Th1 Sb8 then 10. Tg1= draw by 3Rep
Trying each reversible White move in turn (7 of them) only 10. Rg1 yields any way to reach the new diagram in 5.5 moves. The remaining 4.0 moves must be executed in a way that leaves castling rights unchanged. The position cannot repeat at 5.0 mark or any shorter number of moves.
Precursor of P1338392.
Trying each reversible White move in turn (7 of them) only 10. Rg1 yields any way to reach the new diagram in 5.5 moves. The remaining 4.0 moves must be executed in a way that leaves castling rights unchanged. The position cannot repeat at 5.0 mark or any shorter number of moves.
Precursor of P1338392.
Keywords: Unique Proof Game, Draw by repetition, Homebase (S), Constrained problem, Castling
Genre: Retro
Computer test: Popeye 4.79 then a little bit of thinking
FEN: rnbqkb1r/pppppppp/P7/8/8/8/1PPPP1PP/R1BQKB1R
Input: A.Buchanan, 2015-02-25
Last update: A.Buchanan, 2021-06-05 more...
Genre: Retro
Computer test: Popeye 4.79 then a little bit of thinking
FEN: rnbqkb1r/pppppppp/P7/8/8/8/1PPPP1PP/R1BQKB1R
Input: A.Buchanan, 2015-02-25
Last update: A.Buchanan, 2021-06-05 more...
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A.Buchanan (1)
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