Solution:
1...Qxe4[b] 2.Nd7#
1.Bf7? (2.Rxe8#)
1...Re6 2.Qxe6#
1...Nxc5 2.Qc3#
but 1...Re7!
1.Bd5? (2.Ng4#)
1...Qxe4 2.Rxe8#
but 1...Rg1!
1.Nd4! (2.Nf3#)
1...Qxe4 2.Ng4#
1...f3 2.Qh2#
1...Qh5/Qf5 2.Qf5#
Keywords:
- Changed mates
- Threat reversal
- Urania
References:
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ProblemsPGN.rar (pgn)
[Event "Original 1980 (1167)"]
[Site "Original 1980 (1167)"]
[Date "1980.??.??"]
[Round "?"]
[White "I.KISS"]
[Black "#2"]
[Result "1-0"]
[SetUp "1"]
[FEN "3Rr3/7q/2p1BN2/1bP1k1P1/nKp1Pp1p/1p5Q/4NP2/r7 w - - 0 1"]
[PlyCount "1"]
[EventDate "1980.??.??"]
1. Nd4 1-0
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Problemiste PBM Collections (pbm2py)
Author I.KISS
Origin Original 1980 (1167)
Remark file://Pravda.pbm/1076
Stipulation #2
Forsyth 3Rr3/7q/2p1BS2/1bP1k1P1/sKp1Pp1p/1p5Q/4SP2/r7
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Gabriel Török Twomovers Collection (csv)
"KISS IVAN";"PRAVDA";1980;;"2x";;"b4";"h3";"d8";;"e2";"f6";"e6";;"c5";"e4";"f2";"g5";;;;;"e5";"h7";"a1";"e8";"a4";;"b5";;"b3";"c4";"c6";"f4";"h4";;;