Posers and Puzzles
28 Jan 09
29 Jan 09
Originally posted by SwissGambit--- Spoiler ---
[fen]8/pPpppp2/1p6/5P2/2NP4/8/b1K1kPP1/q3BR2 w[/fen]
Add white pieces, then mate in 1.
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Black has no last move, and will not have one even after the addition of the white pieces. So we must add pieces in such a way that after every 1st black move white will have mate in 1. At least I think so🙂
29 Jan 09
Originally posted by SwissGambitYes - if you add a bNh8, Black has a last move to retract in Ng6-h8. Now it appears Black has no move but:
Would that really help?
Add wBe4 - Black's last move was ...b2xa1=Q - the pawn has captured its way from g7 to a1, 6 pieces, so White has room only for ten units. Seeing there are only 9 White units now, White is allowed to add one unit. So +wBe4 and 1. Bd3#
30 Jan 09
3 edits
Originally posted by heinzkatSOLV'D [allowing bNh8 spoils the problem]
Yes - if you add a bNh8, Black has a last move to retract in Ng6-h8. Now it appears Black has no move but:
Add wBe4 - Black's last move was ...b2xa1=Q - the pawn has captured its way from g7 to a1, 6 pieces, so White has room only for ten units. Seeing there are only 9 White units now, White is allowed to add one unit. So +wBe4 and 1. Bd3#