White to play and checkmate in three moves

1.Ra4! ~ 2.Nd3+
2...cxd3 3.Rxe4#
2...exd3 3.Rxc4#
1...exd5 2.d4 ~ 3.Nxd5#
2...cxd4 ep. 3.Nxd3#
2...exd4 ep. 3.Nxd3#
1...Bxe5 2.Rd3 ~ 3.Bg3#
2...cxd3 3.Nxd3#
2...e3 3.dxe3#
2...exd3 3.Nxd3#

Date added: 15/6/2021

1.Bh7!
1...Ke5 2.Qc7+!
2...Kd5 3.Qc5#
2...Kf6 3.Ne4# (Model mate)
2...Kd4 3.Qc5#
1...Kd4 2.Qd2+! (a threat) Ke5 3.Ng4# (Model mate)
1...Kd6 2.Qd8+! (another threat) Ke5 3.Nd3# (Model mate)
1...e5 2.Bg8+
2...Kd6 3.Qd8#
2...Kd4 3.Qd2#

Date added: 16/6/2021

1.Nf5! ~ 2.Qh3 ~
3.Ne3#
3.Ne7#
2...c3 3.Ne3#
2...Kxe6 3.Nc5#
2...gxf5 3.Qxf5#
1...gxf5 2.Qd1+ Kxe6 3.Qd6#
1...Kxe6 2.Nc5+ Kxf5 3.Qh3#
1...c3 2.Qb1 ~ 3.Qa2#
2...Kxe6 3.Nc5#
2...Kc4 3.Ne3#
1...g5 2.Bg4 ~
3.Ne3#
3.Ne7#
2...c3 3.Ne3#
2...Kxe6 3.Nc5#
2...Ng6 3.Ne3#
1...Nf7 2.Kxf7
2...c3 3.Ne3#
2...gxf5 3.Qd1#

Date added: 15/5/2021

1.Ne5! ~ 2.Qb2 ~
3.Nxg4#
3.Nd7#
2...Rc3 3.Nd7#
2...Rc3 3.Nxg4#
1...Rdd4 2.Qe4 ~
3.Nxg4#
3.Qxg6#
1...Rcb4 2.Qxb4 ~
3.Nxg4#
3.Qe7#
1...Rd4 2.Qd5 ~ 3.Nd7#
2...Rxd5 3.Nxg4#
1...g3 2.Qf3+
2...Rxf3 3.Nd7#
2...Rf4 3.Ng4#
1...Na7-b5 2.Qc6+
2...Rd6 3.Nd7#
2...Rxc6 3.Nxg4#
2...Nd6 3.Nd7#
2...Nxc6 3.Re6#
2...Ne6
3.Rxe6#
3.Qxe6#
1...Na7-c6 (Nc8) 2.Qxc6+
2...Rd6 3.Nd7#
2...Rxc6 3.Nxg4#
2...Nxc6 3.Re6#
2...Ne6
3.Rxe6#
3.Qxe6#

Date added: 15/5/2021

1.Qd2! ~ 2.Qd8#
1...Bf6 2.Qd6+ Bc6
3.Qc7#
3.Qxc6#
1...Be5 2.Qd8+ Bc7 3.Qxc7#
1...Bd4 2.c5+ Bxc5 3.Qd8#
1...Qh2 2.c5#
1...Qc5 2.Qd8+ Qc7
3.Qxc7#
3.c5#
1...Qd4 2.Qh6+
2...Qf6 3.c5#
2...Qd6 3.c5#
2...Bc6 3.Qxc6#
1...Qd1 2.c5#
1...Qg3 2.c5#
1...Bxc4 2.Qd6+ Kb5 3.Qc6#
1...Bd7 2.Qd6+ Bc6
3.Qc7#
3.Qxc6#
3.Qd8#
1...Bxa6 2.Qd6#

Date added: 15/5/2021

1.Nd8! ~ 2.exd5+
2...Qg4 3.Ne6#
2...Qxh4 3.Ne6#
2...e4
3.Rxe4#
3.Qxe4#
2...Bg4
3.Qe4#
3.Ne6#
1...exd2
2.Qxd2+ Qd3
3.Ne6#
3.Bf2#
2.Bf2+ Qe3
3.Ne6#
3.Qxd2#
1...Qf5 2.exf5+
2...e4
3.Rxe4#
3.Qxe4#
2...Bg4
3.Qe4#
3.Ne6#
3.Ne2#
1...Qg4 2.Ne2+ Qxe2 3.Ne6#
1...Nxc3
2.dxc3+ Rxc3 3.Qxc3#
2.bxc3+ Rxc3 3.Qxc3#
1...Rxc3 2.dxc3+
2...Nxc3 3.Qxc3#
2...Kc4 3.b3#
1...Rxb4
2.Ne2+ Bxe2 3.Nc6#
2.Nxb5+
2...Rxb5 3.Nc6#
2...Rxb5 3.Nc6#
1...Rc6
2.Nxc6+ Kc4
3.Nxa4#
3.b3#
2.Ne2+ Bxe2 3.Nxc6#
2.Nxb5+ Rxb5 3.Nxc6#
1...Rc5 2.Nxb5+ Rxb5 3.Nc6#
1...Rc5 2.Nc6+ Rxc6 3.Nxb5#
1...Bf3 2.dxe3+ Kxe3 3.Bf2#
1...Bg4 2.Ne6+ Bxe6 3.Ne2#

Date added: 16/6/2021

1.Bf1! ~ 2.Rd2+
2...Kc1 3.Qc2#
2...cxd2 3.Qb1#
1...cxb2 2.Rc4 ~
3.Qb1#
3.Qe2#
2...Bxe1
3.Qc2#
3.Qe2#
2...Bd2 3.Qe2#
2...Bc3 3.Qb1#
2...Bxc4 3.Qb1#
2...Rg2 3.Qb1#
2...Re5 3.Qb1#
1...Bxf1 2.Re2 ~ 3.Qc2#
2...Bxe2 3.Qb1#
1...Bd3 2.Qxd3+ Kxe1 3.Qe2#
1...Rc5 2.Be2+
2...Kxe1 3.Qh4#
2...Bxe2 3.Qxe2#

Date added: 16/6/2021

1.Nh3! ~
2.Be2 ~ 3.Qd3#
2.Be6 ~ 3.Qd3#
1...Kxh3 2.Qg6 ~
3.Qg2#
3.Bf1#
3.Be6#
2...d3
3.Qg2#
3.Be6#
1...Kg4 2.Kg2 ~ 3.Qg6#
2...Kf5 3.Qe6#
2...Kh5 3.Be2#
1...Kf3 2.Be2+
2...Kg3 3.Qd3#
2...Ke3 3.Qd3#
2...Ke4 3.Qe6#
1...d3 2.Be6 ~ 3.Qxd3#

Date added: 15/5/2021

1.Qf1! ~ 2.Ke2 ~
3.Qb1#
3.Qf3#
2...Bc1 3.Qf3#
2...Bf4
3.Qb1#
3.Qxf4#
2...Nc4 3.Qf3#
1...Bf4
2.Bb1+ Kd5 3.Nxf4#
2.Qxf4+ Kd3 3.Qf5#
1...Na4 (Nd7) 2.Qf3+ Kxf3 3.Bd5#
1...Nc4 2.Qd3+
2...Kd5 3.Bxc4#
2...Kxd3 3.Bb1#
1...Nc6 2.Bb1+ Kd5 3.Qf7#
1...Ne6 2.Qf5+ Kxf5 3.Bb1#
1...Nf7 2.Bb1+ Kd5 3.Qxf7#

Date added: 16/6/2021

1.f8=B! Kf6 2.Rg3 Ke6 3.Rg6#

Date added: 16/6/2021

1.Qg2! ~
2.Re4+ Kd6 3.Be5#
2.Qg7+ Kd6
3.Qf6#
3.Qe7#
1...Bxd4 2.Qg3+
2...Ke4 3.Bb1#
2...Kf6 3.Bxd4#
2...f4 3.Qxf4#
1...Kd6 2.Ba3+
2...Ke5 3.Qg7#
2...c5 3.dxc5 ep.#
1...cxb6 2.Re4+ Kd6 3.Be5#

Date added: 16/6/2021

1.d7! ~ 2.d8=Q ~
3.Qb6#
3.Qe7#
3.d5#
2...exd4
3.Qb6#
3.Qe7#
3.Qd6#
2...exf4
3.Qb6#
3.Qe7#
1...exd4 2.d8=R ~ 3.Rd6#
1...exf4 2.d8=B Kd6 3.Ra6#
1...Kd6 2.d8=N ~
3.Rd7#
3.Bxe5#
2...exf4 3.Rd7#

Date added: 16/6/2021