Brunner-Turton doubling
Special case of Turton doubling in which pieces A and B are of the same strength.
The difference from Brunner-Loyd clearance is that the critical piece preserves its supportive power of the other piece.
See also: Turton doubling; Loyd-Turton doubling; Brunner-Loyd clearance.
Alias: Brunner-Turton.
Abdurahmanović, Fadil
Gravure, 2019
2nd Prize
h#2.5 2.1... (4+6)
1...Rd3
2.Ka4
Rcc3
3.Qb5
Ra3#
1...Rc1
2.Qc2
Rc3
3.Qa4
Rc5#