Umnov mate

The white mating piece arrives (on the mating move) on a square that has just been vacated by a black piece.

See also: Umnov move; Consecutive Umnov; Closed chain of Umnov; Delayed Umnov; FML.

Avner, Uri

J. & M. Figueiredo MT, 2011

1st Prize

Example: Umnov mate
h#2 b) wKc1→f8  (11+10)

a) 1.Sc3 Sa4+ 2.Sd5+ Sc3#
b) 1.Sd6 Sb7+ 2.Sf5+ Sd6#

View in Helpmate Analyzer

FEN: 2r1B3/1n3PPb/p1q3P1/pkN4R/nb1BP3/3P4/3r4/1RK5

External links:

Pachl, Franz

The Problemist, HOTF Ty, 2003

1st Prize

Example: Umnov mate
h#2 2.1... (7+10)
b) bQd4

a)
1.fxe5 Rc5 2.exd4 Bc4#
1.Rxd5 Bf4 2.Rxd4 Re3#
b)
1.Ke3 Bg6 2.Qf4 Bd4#
1.Kc4 Rb8 2.Qc5 Rd4#

Umnov mates in b).

View in Helpmate Analyzer

FEN: 4R2r/3r1B2/2n2p1b/3RB3/1p1P2b1/3k1n2/2p5/1N5K

External links: