Anticipatory interference

A line is closed in advance, before it is actually created directly (by arrival of a line piece) or indirectly (by opening a line).

See also: Anticipatory pin; Anticipatory self-unpin; Anticipatory self-pin.

Alias: Anticipatory line-closing; Anticipatory shut-off; Vorausverstellung (Ger.).

Feather, Christopher John

Moultings 5, 1991

h#2 2.1... (7+11)

1.Qxg8 Rf3 2.Ke6 Re2#
1.Qxf8 Bc4 2.Kf6 Bc3#

View in Helpmate Analyzer

FEN: 5RBn/K2pNqp1/p2P2pn/4k3/rB6/8/p5R1/7b

External links:

• PDB: P0537308
• YACPDB: 88171

Chlubna, Friedrich

Schach, 1978

2nd HM

h#2 2.1... (5+11)

1.Sd4 Bc2 2.Rb4 Sd6#
1.Sg4 Se5 2.Qb4 Bxc6#

View in Helpmate Analyzer

FEN: 8/8/pBp5/Pk2n3/2N1B2K/prq5/1pn4b/7r

External links:

• PDB: P0540693
• YACPDB: 625676