October 15th

Norman Martin Gibbins (15-10-1882 - 09-10-1956) British composer

'Headmaster Gibbins, mathematics master Evans, and Dan Pedoe, 1927'.
[Sources: The College Mathematics Journal 1988, David Gibbins]

Norman Gibbins was a Cambridge mathematician and composed direct mates and reflexmates.
More about him can be read here and here.

Gibbins, Norman Martin
A.C.White-50 JT, The Problemist, 1930

r#2

6 + 3

Show Solution

1.Bg6-b1 ! (2.Rf6-g6 Rf7-h7#)

1...Rc7xc6 2.Rf6-f5 Rc6xh6#
1...Rf7xf6 2.Rc6-c2 Rf6xh6#
First pair of variations, where the white Rooks exchange their functions.
1...Kf8-e7 2.Rc6-b6 Rc7-c8#
1...Kf8-e8 2.Rf6-d6 Rf7-f8#
Second pair of variations, where the black Rooks exchange their functions.
(1...Rc7-c8 2.Rc6-b6 Kf8-e7#)