White to play and checkmate in two moves
1225
(Adolf Hafen - Arbeiter-Schachzeitung (Bern), Mar 1930)
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1.Qa7! - zugzwang
1...Rc3 2.Qxd4#
1...Na2 (Nb~) 2.Rd5#
1...Bxb2 (Bd~) 2.Bf4#
1...bxc4 2.Nxc4#
1...Kxd6 2.Qc7#
1...f6 2.Re6#
1...Bc6 (Bd7) 2.Nxf7#
1...Nh6 (Ng~) 2.Qe7#
Date added: 1/9/2021
1226
(Vladimir Afanas'evich SHmatov - Задачи и этюды, 2013)
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1. Bg8! [2. Qd5#]
1... Kxe4/e5 2. Qd5#
1... Kd3 2. Qc4#
Date added: 1/9/2021
1227
(Gino Mentasti - Prontuario del Problemista, 1977)
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1.Nd2! ~ 2.Nb3#
1...Bd1 2.Ne4#
1...Nxc3 2.Nc2#
1...Nxe3 2.Bxe3#
1...Bxe3 2.Bxe3#
1...Bxd8 2.Nc4#
Date added: 2/9/2021
1228
(Efren Petite - Problemas, Apr 2015)
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1. Nh5! ~ 2. Ng3#
1... Nc6 2. Qxd7#
1... Nc4 2. Bc2#
1... Ke4 2. Ng3#
1... Ne7, Ne~ 2. N(x)e7#
Date added: 2/9/2021
1229
(Guido Cristoffanini - Il Secolo, 1926)
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1.Rc5! (2.Rd5#)
1...Bf3 2.Rxd3#
1...Bxb3+ 2.Nxb3#
1...Be5/Nf6 2.Qxe5#
1...Nc7 2.Rc4#
1...Rxc5 2.Qxc5#
1...Nf4/Ne3 2.Qxf4#
Date added: 2/9/2021
1230
(Frank Bradley Phelps - Central New Jersey Herald, 1890)
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1.Bb5!
1...Nd3
2.Qg6#
2.Qh5#
1...Ne2
2.Qg6#
2.Qh5#
1...Ng2
2.Qg6#
2.Qh5#
1...Nh3
2.Qg6#
2.Qh5#
1...Nh5
2.Qg6#
2.Qxh5#
1...Ng6 2.Qxg6#
1...Ne6
2.Qg6#
2.Qh5#
1...Nd5
2.Qg6#
2.Qh5#
1...Qxb5 2.Qe7#
1...Qc6 2.Qe7#
1...Qxf5+ 2.Qxf5#
1...Qe6 2.Qg7#
1...Qxe8
2.Qf6#
2.Qg7#
1...Qc8
2.Qe7#
2.Qf6#
2.Qg7#
1...Qxd6
2.Nxd6#
2.Qg7#
1...Qa7
2.Qf6#
2.Qg7#
1...Qb7
2.Qf6#
2.Qg7#
1...Qc7
2.Qf6#
2.Qg7#
1...Qd8 2.Qg7#
1...Qe7
2.Qxe7#
2.Qg7#
1...Kxe8+ 2.Qe7#
Date added: 2/9/2021
1231
(Eligiusz Zimmer - Problemas, Dec 2000)
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1.Nb2! zz
1...Ka5/Ka6 2.Qa4#
1...Kc5/a5 2.Qc4#
1...a6 2.Qd5#
Date added: 2/9/2021
1232
(ZHivko Janevski - Шаховий Леополіс, Aug 2010)
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1. Rd5! [2. Re5#]
1. ... Nxd5 2. Rxc4#
1. ... exd5 2. Re8#
1. ... Kxe3 2. Qe2#
1. ... Kxd5 2. Qf3#
1. ... fxe3 2. Qh1#
1. ... Bxe3 2. Nxc3#
Date added: 2/9/2021
1233
(Julio A. Vazquez - Club Ferro Carril Sud (Olavarría) Comm., 1944)
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1. a3! [2. Qb4#]
1. ... Rbxb6 2. Qc4#
1. ... Qh4 2. Ne6#
1. ... Rdxb6 2. Qd5#
1. ... Rd4 2. Nxb7#
1. ... Kd4 2. Qe3#
Date added: 2/9/2021
1234
(Zoltan Zilahi - problem (Zagreb), 1958)
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1.Qxf5! (2.Qxe4#)
1...Kxf3 2.Ne1#
1...Kd4/Qxf3 2.Bb6#
1...Bxf3 2.Qxf4#/Qc5#
1...Bxf5+ 2.Nxf5#
1...Bd5/Bc6/Bb7/Bxa8 2.Qxf4#
Date added: 2/9/2021
1235
(Ottavio Stocchi - Il Due Mosse 1st Prize, 1958)
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1.Bg8! ~ 2.Qd4#
1...Qxe6 2.Nf6#
1...Rxe6 2.a8=Q# (=B#)
1...Nxe6 2.Qd3#
Date added: 2/9/2021
1236
(Waldemar Tura - Biuletyn Częstochowskiego O. Z. Szach, 1986-1987 1st Prize, 1987)
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1.Qe2! ~ 2.Qe5#
1...Qxd5 2.Ne8#
1...Kxd5 2.Qd3#
1...Re6 2.Qxe6#
Date added: 2/9/2021