Visserman
Two white pieces A and B are pinned by a and b. In the first phase, a captures A giving check, the white King moves in such a way that B remains pinned, a unpins B moving on the white King initial square, then B moves. In the second phase, b captures B giving check, the white King moves in such a way that A remains pinned, b unpins A moving on the white King initial square, then A moves.
Visserman, Eeltje
Sahs/Shakhmaty (Riga), 1965
2nd Prize
1.Bxb2+
Kf7
2.Bf6
Sd5#
1.Rxf4+
Kg7
2.Rf6
Sd1#
Visserman, Eeltje
Al Hamishmar, Israel Ring Tourney, 1964
6th Prize
a) 1.Bxd5+
Kxd6
2.Be6+
Bxd3#
b) 1.Rxg6+
Kf7
2.Re6+
Rxh5#
Bogdanov, Evgeny
Zalokocky, Roman
feenschach, 1983
Comm.
1.Bxb3+
Kxb4
2.Bc4
Bxc1
3.Ba2+
Bf4#
1.Rxf4+
Kd5
2.Rc4
Sxc1
3.Rcg4+
Sb3#
Soroka, Ivan
Orbit, 2006
Prize
1.Rxb4+
Ka2
2.Rb3
Sxe3
3.fxe3
Rxe4#
1.Bxc4+
Kb2
2.Bb3
Sd3
3.exd3
Rxf4#
FEN: 6b1/7p/1q5B/Prb2PPr/RNN1pp1k/1KP1pp1p/5P2/4n3
External links:
- PDB: P1087303
Ivunin, Aleksey
Pankratjev, Aleksandr
V. Lastivka-55 JT, 2017
Spec. HM
1.Bxf5+
Kxg7
2.Bg6
Bd2+
3.Ka4
Ra5#
1.Rxg5+
Kh7
2.Rg6
Sd4+
3.Kb6
Rb5#
FEN: 5r2/p1p2np1/n5K1/k4NBR/4b1r1/1p6/8/1q6
Soroka, Ivan
Problemist of Ukraine, 2007
1st-2nd Prize
1.Rxb3+
Kd4
2.Rc3
Sd3
3.Kc7
Sb4
4.Kb8
Sa6#
1.Bxb2+
Kd3
2.Bc3
Bxa4
3.Se7
Rb5
4.Ke8
Rb8#
FEN: r1nk4/p4b2/3p4/8/p1P2p2/rBK1p3/pNp5/bRq2n2
External links:
- PDB: P1258527
Soroka, Ivan
Shakhmatnaya Poeziya, 2007
1st Prize
a) 1.Bxg6+
Kf4
2.Bf5
Bxe7
3.Ra4
Rd6
4.Kb4
Rb6#
b) 1.Rxf6+
Kxe4
2.Rf5
Be8
3.Sb3
Rc6
4.Ka4
Ra6#