White to play and checkmate in two moves
2533
(Alex Casa - Europe Échecs, 1966)
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1. Bf6! [2. Qd4#]
1. ... Be5 2. Rxe5#
1. ... e5 2. Rg4#
1. ... Ne6 2. Qxd5#
1. ... Nf5 2. Bxf5#
1. ... b3 2. f3#
1. ... Rd3 2. cxd3#
Date added: 19/8/2022
2534
(Ian Shanahan - Chess in Australia, Apr 1981)
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1. Qa4! waiting
1. ... c4 2. Qb5#
1. ... Bf4/c3 2. Nxf4/c3#
1. ... Bg3/h2/c7/b8 2. Nc3#
1. ... Bd4/b2/a1/f6/g7/h8 2. Nf4#
1. ... Bd6 2. Nf6, Nc3#
1. ... Nf7/h7/e6/e4/f3/h3 2. Q(x)e4#
Date added: 20/8/2022
2535
(Leopold Mieczyslaw Szwedowski - The Australian Problemist 2nd Prize, Apr 1962 )
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1. Bh8! waiting
1. ... Nb8/d8/a7/e7/e5/d4 2. N(x)e5#
1. ... Nb4 2. Rc3, Ne5#
1. ... Be6 2. Qxe6#
1. ... Bf7 2. Qxf7#
1. ... Bg8 2. Qxg8#
1. ... exf3 2. Qxd3#
1. ... a2 2. Nb2#
1. ... Nxe3/g3/h2 2. Nxd2#
Date added: 20/8/2022
2536
(Marjan Kovachevic - diagrammes 2nd Prize, 1990)
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1. Bg2! [2. Ne5#]
1. ... Nd7 2. Nd4#
1. ... Qb5 2. Qxb5#
1. ... Re7 2. Nxe7#
Date added: 20/8/2022
2537
(Sven Elias Almgren - The Chess Problem 3rd Prize, ex aequo, 1946)
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1. Qc6! [2. Qd6#]
1. ... Nc8/xc6/g6 2. Rxf5#
1. ... Nc7/b4/e3 2. Qe4#
1. ... Nf6 2. Ne2#
1. ... Nc3 2. Ne6#
1. ... g4 2. Qh6#
1. ... Bxd4+ 2. Rxd4#
Date added: 20/8/2022
2538
(Valerij YUr'evich SHan'shin - Проблеміст України (Problemist Ukrayini) 1st HM, 2009)
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1. Nf5! [2. Neg7, Qxc2#]
1. ... Bxf6, Qf7/d7, Re1/xf5 2. Qxc2#
1. ... Qe7/xh2 2. N(x)e7#
1. ... Qh6/h4/g6/g8 2. Ne7, Qxc2/xc7#
1. ... Qh3 2. Neg7, Ne7, Qxc7#
1. ... Qxf5 2. Qxc7#
1. ... Nb4/e3/a1/e1, Rc1/f2/f3, Rxh2 2. Neg7#
1. ... Nxd4 2. Nfxd4#
Date added: 24/8/2022
2539
(Reinhard Groth - Freie Presse, 1979)
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1. Ned3! [2. Bxc3#]
1. ... Qh8/xg7 2. Qf1#
1. ... Ree5 2. Qa7#
1. ... Be5 2. Ra6#
1. ... d4 2. Qa2#
1. ... Rge5 2. Rg1#
Date added: 24/8/2022
2540
(Herbert Siegfried Oskar Ahues - Arbeiter-Zeitung (Wien) HM, 1975)
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1. Nb1! [2. Qxb3#]
1. ... Qb5 2. Bxe6#
1. ... Rg3 2. Nd2#
1. ... Nc3 2. Qxc3#
1. ... Rh3 2. Qe4#
1. ... Bd3 2. Qxd3#
Date added: 24/8/2022
2541
(Antonin Klir - Československá republika, 1931)
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1. Qc3! [2. b3#]
1. ... Ra4 2. Nb3, b4#
1. ... Rb5/b6/b7/b8/xd4 2. b4#
1. ... Rc4/b3/xb2 2. N(x)b3#
1. ... Be2/c2/xb1 2. N(x)c2#
1. ... Bf1/c4/b5/a6 2. Nc2, Na3/d2#
1. ... axb1=Q/R/B/N 2. Qa3#
Date added: 24/8/2022
2542
(Nikolaj Dmitrievich Nadezhdin - Schach, 1986)
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1. Qh6! [2. Qd2#]
1. ... dxe4 2. Qe3#
1. ... b1=N 2. Nc5#
1. ... e1=Q/B 2. Bc2#
Date added: 24/8/2022
2543
(Vadim Aleksandrovich Ivanov - Wola Gułowska 2nd Commendation, 2001)
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1. fxe3! [2. e4#]
1. ... f3 2. Rxf3#
1. ... Nxe3 2. Rxe3#
Date added: 24/8/2022
2544
(Nikolaj Ivanovich Bel'chikov & Aleksej Matveevich Petrusenko - Szachy Comm., 1976)
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1. Qb6! waiting
1. ... Ke1 2. Nf3#
1. ... Kc1 2. Bg5#
1. ... Kc3 2. Qb4#
1. ... Ke3 2. Nb3#
Date added: 24/8/2022