White to play and checkmate in two moves

Problems 517 to 528

517

(Yochanan Afek - Probleemblad 3rd Prize, 1980)

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1.Kc7! ~ 2.Re8#
1...Qxe5+ 2.Bd6#
1...Qd4 2.Bc5#
1...Qe1 2.Bb4#


Date added: 23/5/2021

518

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  1. Rd4 - Kh6

  2. Rh4#

    Date added: 24/5/2021

519

(Eric Manfred Hassberg - British Chess Federation 66th Tourney 4th HM, 1950-1951, 1950)

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1.Rg5! (2.Nc7#/Qxc4#)
1...Rd5/Re5/Rf5/Rxg5/Qh2 2.Qxc4#
1...Rh4/Qd4/Bxe6/Nd6/Nb6 2.Nc7#
1...Ne3 2.Nc7#/Qxc5#/Qb4#/Rxc5#
1...Nce5 2.Qb4#
1...Ncb2/Na3 2.Nc7#/Qb4#
1...Nxa5+ 2.Qxa5#
1...Ne1/Nf2/Nf4 2.Nc7#/Bxc4#/Rb6#
1...Nde5 2.Rb6#
1...Ndb2 2.Nc7#/Rb6#
1...Nb4 2.Bxc4#

Date added: 24/5/2021

520

(Eric Manfred Hassberg - Stratford Express 4th Prize, 1950)

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1.Nd5! (2.Bxc5#)
1...Ne8/Nf7/Nc8/Nb5/Nb7 2.Qxe4#
1...Nf5 2.Nxe6#

Date added: 24/5/2021

521

(Nikolaj Ivanovich Belik - Die Schwalbe, 1991)

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1.Ba4! (2.Qf4#/Qb3#)
1...Kxa4 2.Qc4#
1...c2/a2 2.Qb3#

Date added: 25/5/2021

522

(Walter Irving Kennard - Checkmate, Feb 1904)

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1.Qg1! ~ 2.Bd4#
1...Nxf2 2.Qa1#
1...Ne3 2.Qa1#
1...Rd5 2.Nd7#
1...Kxf6 2.Qg7#
1...Qxd6 2.Rf5#
1...Nxf6 2.Qh2#

Date added: 31/5/2021

523

(John Ormerod Scarlett Thursby - Seventy Five Chess Problems, 1883)

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1.Ba3! zz
1...Kxe6 2.Nf4#
1...Kc4/Rf6/Rf8/Re7/Rd7/Rc7/Rb7/Ra7/Rg7/Rh7 2.Ne3#

Date added: 31/5/2021

524

(Tivadar Kardos - De Waarheid, 1962)

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1.b6! zz
1...Kc6/Ka8 2.c8Q#
1...Kc8/Ka6 2.a8Q#

Date added: 31/5/2021

525

(William Anthony Shinkman - Detroit Free Press, 1885)

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1.Qh1!
1...d5 2.Qc1#
1...d6 2.Bf2#
1...dxe6 2.Nxe6#
1...dxc6 2.Qh5#
1...Bxg6 2.Nxd7#
1...Bf7 2.Nxd7#

Date added: 31/5/2021

526

(Samuel Loyd - New York State Chess Association, 22 Feb 1892)

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1.Ra6! ~ 2.Qf1#
1...Rxf5 2.Rxa4#
1...e2 2.Qf2#
1...Ra1 (Ra2) 2.Qe4#
1...Kxf5 2.Rf6#
1...gxf5 2.Bg5#
1...Nxf5 2.Bg5#
1...Ng4 2.Qxg4#

Date added: 31/5/2021

527

(Werner Speckmann - Deutsche Schachzeitung, 1971)

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1.Nd3!
1...Ka4 2.Qb4#
1...Ka2 2.Qb2#

Date added: 1/6/2021

528

(Rudolf L'hermet - Wiener Schach-Zeitung, 1913)

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1.Qb7! zz
1...Kf8 2.Qf7#
1...Kh8/Bf8 2.Qh7#
1...Bg5/Bg7 2.Qg7#
1...Bf4 2.Qg7#/Qc8#
1...Be3/Bd2/Bc1 2.Qb8#/Qg7#/Qc8#/Qa8#

Date added: 31/5/2021