White to play and checkmate in two moves
1669
(Emile Bertrand - La Nature 2nd Prize, ex aequo, 1880)
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1. Nh1! waiting
1. ... Rxf6/g7/g8/g5 2. Qd3#
1. ... Rf4/e4/g5/h4/g3/g2/g1 2. Bd7#
1. ... Rxd4 2. Nxd4#
1. ... Nf3/f1 2. B(x)f1#
1. ... Na3/c3/d2 2. N(x)a3#
Date added: 3/1/2022
1670
(Dimitris N. Kapralos & Nikos Siotis - Bulgaria-1300 JT 1st Prize, 1983)
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1. e5! [2. Qc2, Ne6, Nd3#]
1. ... Rc7/b7/a7/d8/e7/xd6, b3 2. Ne6/d3#
1. ... Rxf7 2. Ne6#
1. ... Kc5 2. Qc2#
1. ... exd2 2. Nd3#
Date added: 3/1/2022
1671
(Stephen Rothwell - The Problemist, Jan 1991 )
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1. Qg4! waiting
1. ... Ka8 2. Qc8#
1. ... gxh4 2. Qg8#
1. ... hxg4 2. Rh8#
Date added: 4/1/2022
1672
(B. J. M. Markx - Nederlandse Schaakbond 1st Prize, 1899)
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1. Qe8! waiting
1. ... a5 2. Qb5#
1. ... e5 2. Qf7#
1. ... Nxe8/d7 2. Ne3#
1. ... Ng8/h7/h5/e4 2. Qc6, Ne3#
1. ... Ng4, Kc4 2. Qc6#
1. ... Ke5 2. Qh5#
Date added: 4/1/2022
1673
(Albert M. Burmeister - Tägliche Rundschau 2nd Prize, 1904)
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1. Nc7! [2. Qb6#]
1. ... Bd5/xb3 2. e8=N#
1. ... Be8 2. Nxe8#
1. ... Kxc7 2. Be5#
1. ... Ra6/b5 2. N(x)b5#
1. ... Nxg7/f6 2. Qg3#
Date added: 4/1/2022
1674
(Percy Francis Blake - Hampstead and Highgate Express 1st Prize, 1905)
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Date added: 5/1/2022
1675
(Adolph Jay Fink - Los Angeles Examiner 1st Prize, 1919)
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1. Qc1! [2. Qe3#]
1. ... Re4 2. Rd5#
1. ... Rf5 2. Ne6#
1. ... Rg4 2. Nef5#
1. ... Rf3 2. Re4#
1. ... Nd3 2. Rxc4#
1. ... Nc2 2. Qd2#
Date added: 6/1/2022
1676
(Alberto Batori - The Good Companion Chess Problem Club 1st Prize, Magee Theme Tourney, Oct 1919)
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Date added: 6/1/2022
1677
(Maxwell Bukofzer - Good Companion 1st Prize, Oct 1922)
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1. Rb4! [2. Qxd4#]
1. ... Rd6 2. Qxd6, Bxd6#
1. ... Rd5, Nb5 2. Q(x)d5#
1. ... Nc6 2. Qd6#
1. ... Ne6 2. Qxf6#
1. ... Nf5 2. Nxg6#
1. ... Nf3, Qd3 2. gxf4#
1. ... Nc2 2. Re4#
1. ... Ne2, Qf2/c4+ 2. N(x)c4#
1. ... Qg1 2. gxf4, Nc4#
Date added: 6/1/2022
1678
(Jan Hartong - Western Morning News and Mercury 1st Prize, 11 Feb 1922)
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1. Qa8! [2. Qxb8#]
1. ... Qxa8/c8/d8/e8/f8/h8 2. Bxe4#
1. ... Qg8/c7/d6/e5 2. Qxg8, Bxe4#
1. ... Qb7/b6/b5/b4/xb3 2. Qg8#
1. ... Qf4 2. Be1#
1. ... Bxf3 2. Qxf3#
1. ... Bxa8 2. Bb7#
Date added: 6/1/2022
1679
(Arnoldo Ellerman - Tijdschrift van den Nederlandschen Schaakbond 2nd Prize, 1922)
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1. Bg3! [2. Ne5#]
1. ... Nfd7 2. Nd4#
1. ... Ng6 2. Rxe6#
1. ... Nbd7 2. Bd5#
1. ... Nd5/c4 2. Ba4#
Date added: 6/1/2022
1680
(Pieter ten Cate - Western Morning News and Mercury 2nd Prize, 1923)
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1. Qe7! [2. Nc4#]
1. ... Kb6 2. Nc4#
1. ... Qc5, Ne5 2. Q(x)c5#
1. ... Ne3 2. Nd5#
1. ... Bb3 2. Nca4#
Date added: 7/1/2022