White to play and checkmate in two moves
661
(John Ormerod Scarlett Thursby - Seventy Five Chess Problems, 1883)
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1.dxc5! zz
1...Kxd5 2.Qxe4#
1...Kb5/cxd5 2.Qf1#
1...Rb5/Bb5 2.Rd4#
1...Rxc5 2.Rxc5#
1...Bxb3 2.Qxb3#
1...exf3/e3 2.Qd3#
1...Nh3/Nh7/Nxf3/Nf7/Ne6 2.Qf1#/Nxa5#
Date added: 30/6/2021
662
(Johannes Jacob Rietveld - Western Morning News and Mercury 1st Prize, 1923)
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1. Qe4! [2. Qd3#]
1... Re~+ 2. Nf5#
1... Rc5/b5/a5 2. Nxc6#
1... Rdd6 2. Nxe5#
1... Rd7/d8 2. Rxc6#
1... Rxd4 2. Qxc6#
1... N~ 2. Rc3#
Date added: 30/6/2021
663
(Alberto Mari - Good Companion 1st Prize, May 1921)
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1.Nxc4! ~ 2.Qxe5#
1...Bd4 2.Nd6#
1...Bd6 2.Nxe3#
1...Nd5 2.Qd6#
1...Ng4 2.Nxf4#
1...Qxg5 2.Nxg5#
1...Bf6 (Be5~) 2.Rxf6#
1...d5 (d6)
2.c8=Q# (c8=B#)
2.Qe7#
Date added: 30/6/2021
664
(Frederick E. Gamage - Meredith Ty., 1941 1st Prize The Chess Correspondent, Nov 1941)
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1.Rf4!
1...g5 2.Rc6#
1...g6 2.Rf7#
1...gxh6 2.Rc8#
1...Kxh6 2.Rh4#
1...Kxh8 2.Rc8#
Date added: 30/6/2021
665
(Frank Janet - The Chess Amateur, May 1918)
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1.Re8!
1...Ne6 2.Ne7#
1...Na1 (Nc1, Nd2) 2.Ra5#
1...Nd4 2.Re5#
1...Nc5 2.Nc3#
1...Na5 2.Rxa5#
1...Nc6 2.Bxb3#
Date added: 30/6/2021
666
(Fritiof Lindgren - Svenska Dagbladet 1st Prize, 8 Apr 1928)
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1.Qe3! ~
2.Qd3#
2.Rc1#
1...Kxd1 2.Qd2#
1...e1=Q 2.Qd3#
1...e1=N 2.Rc1#
1...e1=R 2.Qd3#
1...exd1=Q 2.Qc3#
1...exd1=N 2.Na3#
1...exd1=R 2.Qc3#
1...exd1=B
2.Qc3#
2.Na3#
Date added: 30/6/2021
667
(Gurusisya Chess Academy)
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1. b4+!
1. ... Qxb4, Kd5 2. Qe5#
Date added: 2/7/2021
668
(Zsigmond Schuster - Budapesti Sakk-Szemle 1st Prize, Jul 1895)
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1.d4! ~ 2.Qe2#
1...Kd3 2.Qc2#
1...exd4 ep. 2.Na3#
Date added: 2/7/2021
669
(Henry John Clinton Andrews - Chess Problem, 1887)
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1.Qg1! zugzwang
1...Ka5 2.R4d5#
1...Kc5 2.R4d5#
1...Kc7 2.R4d7#
1...Ka7 2.R4d7#
1...Kb5 2.R4d5#
1...Kb7 2.R4d7#
Date added: 2/7/2021
670
(Alain Campbell White - American Chess Bulletin, Jan 1942)
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1.Qc3! (2.Ne2#)
1...Bf3 2.Nd3#
1...Qd4/Qf2 2.Nxe6#
1...Qe3/Rd4 2.Qxe3#
Date added: 2/7/2021
671
(Miklos S. Locker - Шахматы в СССР (Shakhmaty v SSSR) Special Comm., 1974)
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1.Qe6!
1...d4 2.Qc4#
1...Sb6 2.Qxb6#
1...Sc7 2.Qb6#
Date added: 2/7/2021
672
(N. Fadeev - Ижорец, 1982)
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1.Qa1!
1...b4 2.Qa5#
1...Ke5 b 2.Rc5#
1...e5 a 2.Qa2#
Date added: 3/7/2021