Peter Gvozdják
Original
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1.Rd5? th 2.Sg5# A
1...Qd8 x 2.Sd2# B
1...Qxd5!
1.Sb4? th 2.Sd2# B
1...Qd8 x 2.Bf5# C
1...Qxd5!
1.Re7! th 2.Bf5# C
1...Qd8 x 2.Sg5# A
Here, 1...Qxd8 is the "long-distance" move.
Comment by JL: Peter chose a bit unfortunate name for the property of defence that is required.
He told me that he had been motivated by "long-distance telephone call", but in my opinion a name like
"distanced from Black king" or "far from Black king" would be more appropriate. In any case, the
explanation in parentheses is clear.
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