[Event "The Problemist"]
[Site "yacpdb.org/#33139"]
[Date "1930.07.??"]
[Round "?"]
[White "Loschinski, Lev"]
[Black "wtm #2"]
[Result "1-0"]
[SetUp "1"]
[FEN "K5B1/pR6/k7/3p4/7r/5n1R/4n3/b3BQ2 w - - 0 1"]

1. Qf2 {threat 2.Qxa7#} 1... Bd4 {Black bishop has interfered with the fourth
rank}  (1... Nfd4 {Black line-opening third rank, valve closing 4th} 2. Ra3# (
2. Qxe2+ Nxe2) )  (1... Ned4 {Black line-opening third rank, valve closing 4th}
2. Qa2# (2. Qe2+ Nxe2) )  (1... d4 {Black pawn has interfered with the fourth
rank} 2. Bc4# (2. Qxe2+ d3) )  (1... Rd4 {Completing the Grimshaw (defintion:
Two variations in which Bishop and Rook interfere with the other on the same
square) Black rook has vacated the h file (line-clearance) while BB's control
of h6 (sic) has been interfered with, this is Grimshaw} 2. Rh6# (2. Qxe2+ Rc4) 
) 2. Qxe2# 1-0

[Event "The Pittsburgh Post"]
[Site "yacpdb.org/#8085"]
[Date "1923.04.01"]
[Round "?"]
[White "Funk, Jacob E"]
[Black "wtm #2"]
[Result "1-0"]
[SetUp "1"]
[FEN "rn4nr/3pR3/2q2kN1/2p2NRp/6pK/6p1/6P1/b3Q3 w - - 0 1"]

1. Ng7 {threat 1.Ne8#} 1... Na6 (1... Nh6 2. Nxh5#)  (1... d6 2. Qe6#)  (1...
d5 2. Qf1#) 2. Qxa1# 1-0

