Solution:
1.Nb5! (2.Bxd4#)
1...Ne2 2.Qf8#
1...Ne6 2.Rxd5#
1...Re4 2.Qc1#
References:
-
Eduardo Sadier Twomovers Collection (pgn)
[Event "?"]
[Site "Pravda 1981"]
[Date "1981.??.??"]
[Round "?"]
[White "SUMNY Milan"]
[Black " #2"]
[Result "1-0"]
[SetUp "1"]
[FEN "6b1/1K1R4/2B5/2kp2p1/1p1p1n2/NP1p4/1B6/4rQ2 w - - 0 1"]
1. Nb5 1-0
-
ProblemsPGN.rar (pgn)
[Event "Original 1981 (1221)"]
[Site "Original 1981 (1221)"]
[Date "1981.??.??"]
[Round "?"]
[White "M.SUMMY"]
[Black "#2"]
[Result "1-0"]
[SetUp "1"]
[FEN "6b1/1K1R4/2B5/2kp2p1/1p1p1n2/NP1p4/1B6/4rQ2 w - - 0 1"]
[PlyCount "1"]
[EventDate "1981.??.??"]
1. Nb5 1-0
-
Problemiste PBM Collections (pbm2py)
Author M.SUMMY
Origin Original 1981 (1221)
Remark file://Pravda.pbm/1122
Stipulation #2
Forsyth 6b1/1K1R4/2B5/2kp2p1/1p1p1s2/SP1p4/1B6/4rQ2
-
Gabriel Török Twomovers Collection (csv)
"ŠUMNÝ MILAN";"PRAVDA";1981;;"2x";"Jb5";"b7";"f1";"d7";;"a3";;"b2";"c6";"b3";;;;;;;;"c5";;"e1";;"f4";;"g8";;"b4";"d3";"d4";"d5";"g5";;;