Solution:
a)
1.Ra1-e1 ! threat:
2.Bc2*e4 #
1...d4-d3
2.Qc5*e5 #
1...d7-d5
2.Qc5-c8 #
b) -wPh5 +bPf6
1.Bc3-d2 ! threat:
2.Rh4*f4 #
1...Sh2-g4
2.Rh4-h5 #
1...d7-d5
2.Qc5-c8 #
c) -wPh5 +bPe3
1.Ra1-a6 ! threat:
2.Ra6-f6 #
1...Sh2-g4
2.Rh4-h5 #
1...d4-d3
2.Qc5*e5 #
1...d7-d6
2.Qc5-c8 #
Similar diagrams (1):
References:
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ProblemsPGN.rar (pgn)
[Event "Original 1977 (888)"]
[Site "Original 1977 (888)"]
[Date "1977.??.??"]
[Round "?"]
[White "J.GOLHA"]
[Black "#2"]
[Result "1-0"]
[SetUp "1"]
[FEN "5N2/3pK2N/8/2Q1pk1P/3pnp1R/2B5/1bB3pn/R7 w - - 0 1"]
[PlyCount "1"]
[EventDate "1977.??.??"]
1. Ra6 1-0
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Problemiste PBM Collections (pbm2py)
Author J.GOLHA
Origin Original 1977 (888)
Remark text: Original diagram 3 solutions
Remark text: +Ph5
Remark text: added b) , c)
Remark file://Pravda.pbm/822
Stipulation #2
Forsyth 5S2/3pK2S/8/2Q1pk1P/3psp1R/2B5/1bB3ps/R7
Twin remove h5 add black pf6
Twin remove h5 add black pe3