A play of two adjacent pawns from their initial game-array squares without capture to four squares available to them (single- and double-step).
The theme was proposed by Igor Agapov for the SuperProblem TT-77 (2013).
Note: In TT-77, due to the ambiguous initial definition, simplified forms of the theme were allowed, e.g., without single-step pawn moves.
Rice, Russell Ernest
Ideal-Mate Review, 1983
3rd Prize
a) 1.Kd5
Kc2
2.Kd4
d3
3.Se5+
Kd2
4.Qd5
e3#
b) 1.Qd6
Ke3
2.Se6
d4
3.Kd5
Kd3
4.Rc6
e4#
c) 1.Rf5
e3
2.Kd5
e4+
3.Ke5
Ke3
4.Rf6
d4#
Rudenko, Valentin
Melnichenko Viktor
1st V. Archakov MT, 2006
1st Prize
1.Kd5
d4
2.Re6
e3
3.Rc6
e4#
1.Rd3
e4
2.Rd6
d3
3.Rf6
d4#
Marandyuk, Mihajlo
Kopil, Valery
Quick tourney, WCCC (Jesi), 2011 (v)
1st Prize
a) 1.Se5
d3
2.Be6
e4#
b) 1.Be5
e3
2.Re4
c4#
c) 1.Kc5
c3
2.d5
d4#
Maksimov, Aleksandr
SuperProblem TT-77, 2013
1st Place (h#3)
1.c5
Sd6
2.Kd4
Be4
3.Re5
c3#
1.d5
Bh3
2.Ke4
Bg4
3.Re5
d3#
1.d6
Sa3
2.Kd4
c3+
3.Kc5
d4#
1.c6
Bf1
2.Kd5
d4
3.Re4
c4#
Smits, Gerard
Caillaud, Michel
Probleemblad, 2015
2nd Prize
1.c6
c3
2.Qb6
e4+
3.Kc5
d4#
1.c5
e3
2.Be2
d3
3.Sc6
c4#
FEN: 8/2p1n3/5K2/1r1kPp2/2b5/8/2PPPq2/5r2
Paliulionis, Viktoras
SuperProblem TT-170, 2016
2nd Prize
1.Qa1
Kd2
2.Kd4
e3+
3.Ke4
Ke2
4.Qe5
f3#
1.Kd6
Bf7
2.Ke5
f4+
3.Kf5
Kf3
4.Qf6
e4#
Abrosimov, Viktor
Seven Chess Notes, 2016
1st Prize
1.Qf5+
Ke2
2.Sg5
f3
3.Kf4+
Kf2
4.Re5
g3#
1.Sf4+
Ke3
2.Sg6+
f4+
3.Kf5+
Kf3
4.Qf6
g4#