White to play and checkmate in two moves

Problems 529 to 540

529

(Werner Speckmann - Diagramme und Figuren, 1967)

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1.Kc3! ~
2.Qb4#
2.Qa7#
1...Ka5 2.Qa7#
1...b4+ 2.Qxb4#

Date added: 15/5/2021

530

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

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1.Qg1! zz
1...Kd5/Kxd6 2.Qxc5#
1...Kf4 2.Qg3#
1...Kf6 2.Qg7#
1...Ncd5/Ne8/Nb5/Nxa6/Nca8/Nc4/Nc8/Nbd5/Na4/Nba8 2.Qg5#
1...cxb4/c4 2.Qd4#

Date added: 1/6/2021

531

(Jozef Klemensiewic - La Stratégie, Jan 1926)

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1.Ne2! ~ 2.Rh2#
1...Nf2 2.Rg3#
1...Ne3 2.Rf4#
1...Kxe4 2.Rg3#

Date added: 1/6/2021

532

(Godfrey F. Heathcote - Revue d'Échecs 1st Prize, 1904)

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1.Qa6! ~ 2.Rd1#
1...Ke1 2.Qa1#
1...e1=Q (N, R) 2.Rf3#
1...e1=B
2.Rf3#
2.Re3#
1...d5+ 2.Bc5#
1...Re4+ 2.Bd4#
1...Rb7+ 2.Bb6#

Date added: 1/6/2021

533

(Ernest Clement Mortimer - The Chess Amateur, Feb 1922)

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1.Rb3! Ka6 2.Ra3#

Date added: 2/6/2021

534

(Rosario Notaro - Scacco!, 1977)

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1.Rf8! zz
1...Rf5/Re6/Rd6/Rc6/Rb6/Ra6 2.Rxf5#
1...Rf4/Rf3/Rf2/Rf1/Rf7/Rxf8/Rg6 2.Bg6#

Date added: 2/6/2021

535

(Walter Gleave - Bristol Mercury 1st Prize, 1889 )

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1. Kd1! waiting
1. ... Rxc6 2. Nxc6#
1. ... Rd7/d8/g6 2. Ne(x)g6#
1. ... Re6 2. Nd7#
1. ... Rf6 2. Re3#
1. ... Ng8/f7/f5/g4 2. R(x)f5#
1. ... d4 2. Qe1#
1. ... g4 2. Qf4#

Date added: 2/6/2021

536

(William Alexander Beers - The Atlanta Journal, 14 Sep 1934)

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1.Na5! ~ 2.Rc4#
1...Qd4 2.Qxd4#
1...Rb4 2.Nxd3#
1...Rc3 2.Nxb7#
1...Nb4 2.Bb6#
1...Nc3 2.Nxd3#
1...Ne3 2.Qd4#
1...Nf4 2.Qxg1#
1...Nf6 2.Qxf8#
1...Ne7 2.Bd6#
1...Nxc7 2.Qxc7#
1...Nb6 2.Nxb7#
1...b5
2.Rc6#
2.Nb7#

Date added: 15/5/2021