Originally posted by SwissGambit--- Spoiler ---
Add white pieces, then mate in 1.
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?
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#