[White "Mikhail Kroitor Study"]   [Black "White to play and win"]   [Result "1-0"]   [FEN "5k2/8/3p2K1/P2R1Np1/8/6p1/4p3/8 w - - 0 1"]   {The main motive behind this study is the epaulette mate.   First moves are kinda obvious:}   1 Rb5 e1Q 2 Rb8+ Qe8+ 3 Rxe8+ Kxe8   {Still, it is not clear how White should win. But there is a very nice tactical way.}   4 a6!!    {Going for the queen and letting the g-pawn queen.}   4... g2 5 a7 g1Q 6 a8Q+ Kd7 7 Qb7+ Ke6   {And now comes the whole point of the study.}   8 Nd4+!!!    {An amazing solution. Black has only two possible moves:}   8... Qxd4 (8... Ke5 9 Nf3+ {wins the queen}) 9 Qf7+ Ke5 10 Qf5 { and we have arrived to the afore-mentioned epaulette mate. Very nice.}