White to play and checkmate in two moves

Problems 1633 to 1644

1633

(Peter Gvozdjak - B.Formánek 60 JT 1st HM, 1993-94, 1993)

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1.Nd4! ~ 2.Re2#
1...Nd2 (N~) 2.Bxd2#
1...Nxd4 2.Rf3#
1...Rxd4 2.Rxf3#

Date added: 6/11/2021

1634

(Edith Elina Helen Baird - Pen and Pencil, 1888)

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1.Qa5! (2.Qxe1#/Qb6#)
1...Kxf2/d5 2.Qxe1#
1...c3/Qe2/Qc1 2.Qb6#
1...Qd1/Qc3/Qb4/Qxa5 2.Nxd1#
1...Qb1/Qa1/Qxf1/Qd2 2.Qd2#[B]
1...Qxf2 2.Qc3#/Qb6#

Date added: 7/11//2021

1635

(Zdenek Masek - Probleemblad 4th Prize, 1979)

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1.Nce3! (2.Qf4#)
1...Bh6 2.Qe7#
1...Be5 2.Qxg6#
1...Rf8 2.Qd5#
1...Qc7 2.Nc3#
1...Nxg3/Nf2+ 2.Nf2#
1...Ng2 2.c3#
1...Nd3 2.cxd3#
1...Nxc2 2.Bxc2#

Date added: 7/11/2021

1636

(Otto Georg Edgar Dehler)

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1.Rd3! (2.Qe7#)
1...Rg5/Rg6 2.Qf2#
1...Ng6 2.Qd4#/Qc4#/Qb4#/Rc3#
1...Ne6 2.Qb4#
1...Nxd3 2.Qc4#
1...Nd5 2.Qd4#

Date added: 7/11/2021

1637

(Vitalij Semionovich Kovalenko - Шаховий Леополіс, Sep 2007)

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1.Re7! (2.Qe3#)
1...d4 2.Re4#
1...Bf3 2.Qd6#

Date added: 7/11/2021

1638

(Valentin Viktorovich Lider - Die Schwalbe, 1978)

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1. Ne8+!
1. ... Qd6 2. Re7#
1. ... Ke4 2. Rxe6#

1. Ne4+!
1. ... Qd6 2. Re7#
1. ... Kxe4 2. Rxe6#

1. Qf3! [2. Qe4#]
1. ... Qxd6 2. Bxd6#
1. ... Qxf5 2. Nxf5#
1. ... Qxd5 2. Qxd5#
1. ... Qxf7 2. Nxf7#
1. ... Rxc4 2. Nxc4#
1. ... d2 2. Qc3#

Date added: 7/11/2021

1639

(Luis Alberto Garaza - The Chess World, Feb 1946)

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1. b8=Q/B! waiting
1. ... d4, Re4 2. Rf7#
1. ... Rf5 2. R7c4#
1. ... Ke4 2. R2c4#
1. ... Kf5 2. Rf2#

Date added: 7/11/2021

1640

(Charles William Sheppard - Good Companion Folder, Jan 1920)

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1.g5! (2.Re7#)
1...Nxg5/Nd6 2.Bd5#
1...Nc5 2.Qd5#
1...Qxd4+ 2.Nxd4#
1...Rc5 2.Qf6#
1...c5 2.Qd7#

Date added: 7/11/2021

1641

(Andrej Ancin - Svet Socializmu, 1954)

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1. Ne4! [2. Nc5#]
1. ... Ne5 2. Qf5#
1. ... e6 2. Qd6#
1. ... e5 2. Qd2#

Date added: 7/11/2021

1642

(Anatolij Lazarevich Sarkic - Задачи и этюды, 2005)

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1. Qb4! waiting
1... Qc6 2. Bxc6#
1... Qxb7 2. Qxb7#
1... Re6 2. Rxe6#
1... Rxe7 2. Qxe7#
1... c3 2. Qxd4#
1... dxe3/d3 2. Qxc4#
1... h3 2. Nhxg3#
1... gxh2 2. Nf2#
1... Nf4/e1 2. R(x)f4#
1... Nxe3 2. Nd2#

Date added: 8/11/2021

1643

(Evgenij Nikolaevich Permyakov - 22th МК З.Бирнова 4th Comm., 2015)

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1.Nf4! ~ 2.Nd7#
1...Qxf6 2.Qe4#
1...Nf2 2.Qc3#
1...Kxf6 2.Nxd3#
1...Qxe7 2.Nxg6#

Date added: 12/11/2021

1644

(Visvaldis M. Veders - Leipziger Volkszeitung, 7 Dec 1996 )

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1.Qc5! ~ 2.Qxd4#
1...Ne6 2.Qxb5#
1...Re4 2.Nb4#
1...Nc6 2.Nf4#

Date added: 12/11/2021