(Johannes Kohtz & Carl Kockelkorn - Schachzeitung 2nd Prize, Feb 1867)
1. Qa2! waiting
1. ... c5 2. Qa8#
1. ... Rb4/a4/c5 2. N(x)c5#
1. ... Rd4 2. Nc5, exd4#
1. ... Kd5+ 2. e4#
1. ... Na4/d3/d1 2. Qxc4#
Date added: 11/1/2023
(Hyacinth R. Agnel - American Chess-Nuts, 1868)
1. Qc7! ad lib 2. Qxc3#
Date added: 11/1/2023
(Ugo Lancia - The Chess World, Mar 1946)
1. Qf2! waiting
1. ... exd6 2. Nd7#
1. ... Kxd6 2. Qf4#
1. ... Bg4/g6 2. Nf7#
1. ... Be4/d3/c2/b1 2. Rxe6#
1. ... Na5/c5/d4/d2/a1/c1 2. Q(x)d4#
1. ... Nxf2 2. Bxg3#
Date added: 12/1/2023
(Peter August d’Orville - Problèmes d'Échecs, 1842)
1. Rd5! waiting
1. ... Kxd5 2. Qd4#
Date added: 12/1/2023
(Francois Paul Loquin - Le Palamède, 1843)
1. Nb7! waiting
1. ... Kd5 2. Qe4#
Date added: 12/1/2023
(Ferdinand Julius Brede - Almanach für Freunde vom Schachspiel, 1844)
1. Qa5! waiting
1. ... c5 2. Qa1#
Date added: 12/1/2023
(Josef Kling - Brown, Chess Problems, 1844)
1. e4! [2. Qd5, Rc4, Rd5#]
1. ... c6 2. Qxd6, Rc4/d5#
1. ... Rxe6, Ba7, Bc4, Bxe4, Nb4, Qxe4 2. Rc4/d5#
1. ... Bxb5 2. Qd5, Rc4#
1. ... Nxd4 2. Qd5, Bxd4#
1. ... Ne3 2. Rd5#
1. ... Qxf2 2. Qd5, Rd5#
Date added: 12/1/2023
(Rosario Aspa - The Illustrated London News, 1841)
1. Bg6! waiting
1. ... Nf6/h6/f2/h2 2. e3#
1. ... Ne5 2. Qb6#
1. ... Ne3 2. Qf6#
Date added: 13/1/2023
(Josef Pospisil - Görlitzer Schachverein Lusatia 1st HM, (set), Best Two-mover, 1885)
1. Qc1! [2. Qxc4#]
1. ... Kxe4 2. Qh1#
1. ... Kc6, Rc3/c2/xc1 2. Ne7#
1. ... Rxb4/d4 2. Nf6#
1. ... Rc5 2. Ne7, Qxc5#
1. ... Rc6 2. Ne7/e3#
1. ... Rxe4 2. Rb5#
Date added: 19/1/2023
(Gennadij Petrovich Ignatenko - SuperProblem Comm., for miniatures, 9 Mar 2022)
1. Ng3! [2. Qe1#]
1. ... Kxg3 2. Qh4#
1. ... Rxg3 2. Re2#
1. ... Rh2 2. Qxh2#
1. ... Rg1 2. Qf3#
Date added: 19/1/2023
(Mircea Mihai Manolescu - Revista de Şah 1st Prize, Meredith Section, Apr 1956)
1. Be3! [2. Rb4#]
1. ... Rb3 2. Rc5#
1. ... Rc3, Bd4 2. Q(x)d4#
1. ... Rd3 2. Qb4#
1. ... Rxe3 2. Nxe3#
1. ... Bc3 2. Qe2#
Date added: 19/1/2023
(Waclaw Potempski - Шахматный журнал (SHahmatnyj zhurnal), 1892)
1. Be5! waiting
1. ... c4 2. Qd6#
1. ... Kc4 2. Qg8#
1. ... Kc6 2. Qa8#
Date added: 19/1/2023