White to play and checkmate in two moves

1.Qd4! (2.Qa1#)
1...Ka5/Bd6/Be5 2.Qa7#

Date added: 10/2/2021

1. Qc6! [2. Qd7#]
1. ... Kc8 2. Re8#
1. ... Nb8/c5 2. Qxc7#
1. ... Rxe7 2. fxe7#

Date added: 10/2/2021

1. Rxd4! [2. Qxd6#]
1. ... Bf8 2. Ne4#
1. ... Kxd4 2. Qe3#
1. ... Rd5 2. Rxd5#
1. ... f3 2. Nb7#
1. ... Nbc4 2. Rxc4#

Date added: 10/2/2021

1. Qh1! [2. Qe4#]
1. ... Nf6/c5 2. Qh2#
1. ... Kf4 2. Nxg6#
1. ... Kd4 2. Qd5#

Date added: 10/2/2021

1.Bd5! ~ 2.Qxb7#
1...Bxd5 2.Qxa7#
1...Bc6 2.Qxa7#

Date added: 11/2/2021

1.Qe3!
1...Kc4 2.Qc5#
1...Kc6 2.Qc5#
1...Kd6 2.Qc5#
1...Ba1 (Be5~) 2.Qc5#
1...Bd6! 2.Qe4#
1...Bd4 2.Qe6#

Date added: 11/2/2021

1.Bb1!
1...Kd4 2.Qc5#
1...Kf4 2.Qe4#
1...Kf6 2.Qf5#
1...Kd5 2.Qe4#
1...Ke6 2.Qf5#

Date added: 11/2/2021

1.Qa8!
1...Ra1 2.Qxa1#
1...Nd1 2.Nd3#
1...Nd3+ 2.Nxd3#
1...Nc4 2.Nd3#
1...Na4 2.Nd3#
1...Ne2 2.Nxe2#
1...Nf1 2.Ne2#
1...Nh1 2.Ne2#
1...Nh5 2.Ne2#
1...Nf5 2.Ne2#
1...Ne4 2.Ne2#

Date added: 10/2/2021

1. Qb8 - Kg1

2. Qg3#

Date added: 11/2/2021

1.e5! zz
1...Kxe5 2.Qf4#
1...Bxe5 2.Qc5#
1...Bc4 2.Qf4#
1...B5~ 2.Qc5#
1...B6~ 2.Qf4#
1...Bxe5 2.Qc5#

Date added: 11/2/2021

1.Qf8!
1...Kxe6 2.Sc7#
1...Kxc6 2.Qa8#
1...Kc4 2.Qc5#
1...Ke4 2.Qf5#
1...Bxb2 (B~) 2.Qf5#

Date added: 10/2/2021

1.Ne3! ~ 2.Qf1#
1...Nc3+ (Ne4~+) 2.d4#
1...Nxd2+! 2.Ng4#

Date added: 12/2/2021