Cycle of squares

The key squares of a play in different phases appear in cyclic fashion.

See also: Cycle of moves; Cycle of pieces.

Gurov, Valery

Probleemblad, 2001

1st Prize

Example: Cycle of squares
h#2 3.1... (11+10)

1.Qxd2 b6 2.Sxa5 Sb5#
1.Qxa5 f5 2.Sxd4 Bf4#
1.Qxd4 a7 2.Sxd2 Ra6#

Cycle of squares (B1/B2).

View in Helpmate Analyzer

FEN: 8/1R6/P2k1pp1/RPpP2P1/p2N1P2/Knq5/B1rB4/r1n5

External links:

Lehen, Ludovit

Gvozdjak, Peter

Al Hamishmar, 1988

Example: Cycle of squares
h#2 2.1... (4+8)

1.Qg4 d4 2.f3 Qe5#
1.d4 f3 2.Qe5 Qg4#

Complete cycle of squares ABCD-BCDA.

View in Helpmate Analyzer

FEN: b6b/8/5rp1/3p1k2/5p2/3P2Q1/4qP2/K7

External links:

Klemanič, Emil

M. Kolesnik-50 JT, 2019

1st Prize

Example: Cycle of squares
h#2 3.1... (6+14)

1.Bb5 Bxb5 2.Qc6+ Bxc6#
1.Qc6+ Sxc6 2.Rb4 Sxb4#
1.Rb4 Rxb4 2.Bb5 Rxb5#

Cycles of squares B1/B2, W1/W2, B1/W2, W1/B2.

View in Helpmate Analyzer

FEN: qNK1bbn1/p4pp1/1p1p4/3k1P2/4R3/prpBB1n1/8/8

External links: