(16.10.2014) Хубав обратен мат в три варианта с образуване на бели батареи и правилни матове от Иван Сорока.

   1.Rda5! (zz)

1...Bg2 2.Qg7+ Kd6 3.Rd8+ Ke6 4.Bd7+ Kd6 5.Bxg4+ Kc6 6.Bxf3+ Bxf3#

1...Kd6(b7) 2.Qd5+ Kc7 3.Qc5+ Kb7 4.Bc6+ Kc7 5.Bxf3+ Kd7 6.Bxg4+ Bxg4#

1…Bf1 2.R8a7+ Kd6 3.Bc5+ Ke5 4.Re7+ Kf5 5.Bf2+ Bb5 6.Re2! fxe2#

Three harmonic variations with creation and play of white batteries, the first two ofthem with a play of Siers battery creates echo. Very interesting is the 3rd variation withsilent move 6.Re2! Three model mates in very economical position and flight-givingkey. (Author)