White to play and checkmate in two moves
649
(A. C. Palmer - A. C. Palmer: Collection of Chess Problems, 1890)
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1.Bd2! zz
1...f5 2.Bg5#
1...b5 2.Ba5
Date added: 23/6/2021
650
(William Anthony Shinkman - Checkmate, Feb 1903)
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1.d3! zz
1...B~ 2.Bf2#
1...Be3 2.Qc4#
1...Na~ 2.Qxc5#
1...Nc3 2.Qxg1#
1...Nc~ 2.Ne6#
1...e4 2.Bf6#
1...g5 2.Nf5#
Date added: 24/6/2021
651
(Odon Nagy - Budai Sakkozó Társaság 1st Prize, 1922)
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1.Bd5! ~ 2.Nxe4#
1...Rxf2 2.Nxb3#
1...Rc3 2.Qf8#
1...Rd3 2.Qf8#
1...Re3 2.Qf8#
1...Rf8
2.Qxf8#
2.Nxb3#
1...Rf7 2.Nxb3#
1...Rf6 2.Nxb3#
1...Rf5 2.Nxb3#
1...Rf4 2.Nxb3#
1...Rh3 2.Qf8#
1...Rg3 2.Qf8#
1...e3 2.Nxb3#
1...Nc4 2.Na6#
Date added: 24/6/2021
652
(David Shire - The Problemist, 1990)
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1. Ke3! [2. Rd6#]
1. ... Rc6 2. Re5#
1. ... Rxc5 2. Rd1#
1. ... dxe6 2. Bg2#
Date added: 24/6/2021
653
(Gurusisya Chess Academy, 2021)
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1. Bxg4! waiting
1. ... gxh5/g5 2. Bf5#
Date added: 26/6/2021
654
(Serge Vladimir Galitznin - Le Monde Illustré, 1859)
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1.Kb1! Kb3
2.Qh3#
Date added: 10/6/2021
655
(Alain Campbell White - The Cricket and Football Field, 21 Apr 1906)
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1.Rc1! (2.Kd1#)
1...Nb2 2.Kxb2#
1...Nc3 2.Kxc3#
1...e5 2.Qd7#
1...c3 2.Qd3#
1...Qxf1 2.Rxf1#
1...Qf3 2.Rxf3#
1...e2 2.Kxd2#
1...dxc1Q+/dxc1R+/dxc1N+ 2.Kxc1#
Date added: 26/6/2021
656
(A. C. Palmer - A. C. Palmer: Collection of Chess Problems, 1890)
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1.Bh2! zz
1...Bh5 2.Nf5#
1...Bh7/Be4/Bd3/Bc2/Bb1 2.Nxf7#
1...Bf5 2.Nxf5#/Nxf7#
1...Rb7/Rb6 2.Ne8#
1...Ra8/Rc8/Rd8/Rf8/Rg8/Rh8 2.Nxb5#
1...Re8 2.Nxe8#/Nxb5#
compare to #741
Date added: 26/6/2021
657
(William Edward Lester - Empire Review, Jan 1924)
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1.Qb1!
1...Bh4 (Be1~) 2.Qf1#
1...d1=Q 2.Qe4#
1...d1=N 2.Qb5#
Date added: 27/6/2021
658
(Valerij Adol'fovich Kalashnikov - Проблемист Прибужья (Problemist of Pribuzhie), Sep 1990)
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1.f8=B! zz
1...Kh8 2.Rh5#
Date added: 28/6/2021
659
(Emilio Battaglia - The Problemist, Jul 1990)
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1.b7! ~
2.bxc8=Q#
2.bxc8=B#
2.b8=N#
1...Na7 2.b8=N#
1...Nb6 2.b8=N#
1...Nxe7 2.bxa8=Q#
Date added: 30/6/2021
660
(Frederick E. Gamage - Tidskrift för Schack 1st Prize, 2nd Tourney, Aug 1914)
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1.Rgg5! ~ 2.Qh6#
1...Rc3 2.Re3#
1...Rd4 2.Re4#
1...Nd4 2.Re2#
1...Bxe5+ 2.Qxe5#
1...Ra4 (Rb4, Re4, Rf4, Rg4, Rh4) 2.Bc5#
1...Rc5 2.Bxc5#
1...h5 2.Rg6#
Date added: 30/6/2021