1.Rg7? (2.Rg4#),
1...Bd1 2.Bb8+ Bc7 3.Bxc7#,
1...Bxe4 2.Qd6+ Kf5 3.Sd4#,1...Rxe4!
1.Qd5? (2.Qf5#),
1...Bb6 2.Qf5+ Ke3 3.Qf3#, 1...Bxe4!
1.Qd6+? Kg5 2.Rg7+ Kh5 3.Qg6#,1...Kxe4!
1.Qc5! (2. Qf5#),
1...Rxe4 2.Rf7+ Bf6 3.Rxf6#,
1...Bxe4 2. Bb8+ Bc7 3.Bxc7#,Latvian Novotny,perfect.
1...Kxe4 2.Rb4+ Kd3 3.Qc4#,
(1...Bb6 2.Qf5+ Ke3 3.Qf3#)
It may be that , it's the first presentation of Latvian Novotny,perfect,in a three-mover.