White to play and checkmate in two moves
481
(Jan Hartong - Tijdschrift van den Koninklijken Nederlandschen Schaakbond 1st Prize, Dec 1942)
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1.Kf8!
1...Qxg1 2.Nxf3#
1...Qg3 2.Qe3#
1...Qd4 2.Qe1#
1...Qe3 2.Qxe3#
1...Qf1 2.Qe3#
1...Qe2 2.Qa5#
1...Qe1
2.Nxf3#
2.Qxe1#
1...Qh4
2.Nxf3#
2.Qe3#
1...Qa7
2.Nxf3#
2.Qe1#
1...Qb6
2.Nxf3#
2.Qe1#
1...Qc5
2.Nxf3#
2.Qe1#
1...Qh2
2.Nxf3#
2.Qe1#
2.Qe3#
1...Qg2
2.Qe1#
2.Qe3#
Date added: 10/5/2021
482
(Henri Gerard Marie Weenink - Good Companion, Dec 1918)
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1.Bb7! (2.Rd6#)
1...Kf3 2.Ng1#
1...Kd3 2.Nc5#
1...Kd5 2.Nf6#
Date added: 10/5/2021
483
(Alfred Hochberger & Zoltan Zilahi - Die Schwalbe, Sep 1932)
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1.Qd4! ~ 2.Bf5#
1...Rxe4 2.Qc4#
1...Ne5 (N~) 2.Ng5#
1...Nxd6
2.Bd5#
2.Ng5#
Date added: 10/5/2021
484
(Richard Maillard - Czechoslovakia - France 2nd Prize, 1938)
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1.Qxf3! (2.Nd3#)
1...Qxf3+ 2.Nxf3#
1...Qf5 2.Ng2#
1...Ng3 2.Qxf2#
1...Ne3 2.Qe2#
Date added: 10/5/2021
485
(Walter Irving Kennard - Checkmate, 1904)
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1.Rg4! zz
1...Nd3/Ne2/Nxb3/Na2 2.Ke2#
1...Bf2 2.Kxf2#
1...Be3 2.Kxe3#
1...Bd4 2.Rxd4#
1...Bxc5/dxc5 2.Nc7#
1...Ne6 2.Qa8#
1...Nc6/Nb7 2.Qxf7#
1...fxg4+ 2.Kxg4#
1...f4 2.Rxg5#
1...h3 2.Kg3#
Date added: 10/5/2021
486
(Vitalij Gal'bershtadt - L'Éclaireur du Soir, 17 Sep 1928)
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1.Bc3! (2.Nxe3#/Ne5#)
1...Rxc3 2.Ne5#
1...Rg5/Bxc3 2.Nxe3#
1...Rxg4/Rc6/Be6 2.Qc6#
1...Re6 2.Qd5#
1...Nd3 2.cxd3#/Nxe3#/Qxd3#
1...Nxe2 2.Qd3#
Date added: 10/5/2021
487
(Edouard Pape - Zürcher Illustrierte 2nd Prize, 1936)
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1.e4! ~ 2.Rd5#
1...dxe4 ep.+ 2.Re5#
1...fxe4 ep.+ 2.Rf5#
1...Nc5 2.Rb6#
1...Nd6 2.axb8=S#
Date added: 10/5/2021
488
(Nikolaj Aleksandrovich Ivanovskij - Пионерская правда, 1931)
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1.Qd6! (2.Qf4#)
1...Be3 2.Bd3#/Qd5#
1...Be5 2.Qd3#
Date added: 10/5/2021
489
(Unknown Composer)
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1. Qe2! waiting
1. ... Kf5/f4/f6 2. Qe5#
1. ... Kh4 2. Qg4#
Date added: 10/5/2021
490
(William Anthony Shinkman - Chess Monthly, May 1885)
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1.Qg1! (2.Qxh2#)
1...Rb2 2.Nc4#
1...Bxg1/Bf4 2.Bf4#
1...Bg3 2.Qxg3#
1...Be5 2.Bxc5#
Date added: 10/5/2021
491
(Stefan Parzuch - Szachista, 1999-2002 5th Prize, 2000)
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1.f3 ~ 2.Re4#
1...B×f3 2.N×f3#
1...R×e2 2.N×e2#
1...B×e3 2.Rd5#
Date added: 11/5/2021
492
(Samuel Loyd - Evening Telegram (New York), 1890)
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1.Ka5![2. Kb6#]
1. ... Ka2 2. Kb6#
Date added: 11/5/2021