Changed blocks
Different self-blocks on the same square in two or more phases.
See also: Stocchi blocks; Blocking piece replacement.
Alias: Blockwechsel (Ger.); Pseudo Stocchi blocks.
Bakcsi, György
Sahs/Shakhmaty (Riga), 1961
2nd Prize
1.Sxe2
Rxg7
2.dxe5
Rf7#
1.Sh5
Rg6
2.Bxe5
Bc2#
1.Se4
Rg4
2.Sxe5
Rf4#
Sonnenfeld, Felix Alexander
Schach-Echo, 1976
1.Rxg3
Rb1
2.Rxg5
Rf1#
1.Bxd2
Bf1
2.Bxg5
Bh3#
1.h6
d3
2.hxg5
dxe4#
1.Se6
Sg6
2.Sxg5
Sh4#
Abdurahmanović, Fadil
Schach-Echo, 1980 (v)
4th HM
1.Se3
Sxf3+
2.Qe5
Rd4#
1.Sd4
Sc4+
2.R1e5
Se3#
1.Se7
Sd7+
2.Be5
Sf6#
1.Sf6
Sxc6+
2.R8e5
Se7#
Shorokhov, Boris
Azemmour TT-4, Belgrade, 2016
1st-3rd Prize
1.Rxb4
Bxg4
2.Rd4
Bf5#
1.Scxe2
Rc3
2.Sd4
Re3#
1.Bxc5
Sd5
2.Bd4
Sf6#
FEN: 8/bpp2K2/4P3/1pR1P2R/1N2knp1/2n5/br1PBrP1/5q2
External links:
- YACPDB: 413176
Kardos, Tivadar
Skakbladet, 1955
1st Prize
1.Rg1
Kxc5
2.Rxg4
Sg6#
1.Rg2
Kxd5
2.Rxg4
Sg6#
1.Qb4
Kc7
2.Qxg4
Sg6#
1.Be2
Kc6
2.Bxg4
Sg6#
1.f5
Ke5
2.fxg4
Sg6#
1.Sh6
Ke7
2.Sxg4
Sg6#
Hernitz, Zvonimir
Wola Gulowska, 1995
1st Prize
1.Sxf4
Kg1
2.Sd5
Sc5#
1.Rxd3
c3
2.Rd5
Sg5#
1.Qxf3
Kh2
2.Qd5
f5#
Moser, Hans
Schach-Echo, 1972
1.a4
Sc6
2.Scd4
Sb4#
1.g4
Sxe6
2.Sed4
Sf4#
1.Bf2
Sxc2
2.Bd4
Sxe1#
1.Rd6
Sc6
2.Rd4
Se5#
1.Rc4
Sxe6
2.Rd4
S6c5#
1.Qa1
Sxe2
2.Qd4
Sc1#