Free online chess problem of the day

Like chess? Come on daily, and try to solve these free online chess games. These free online chess problems should help you to improve your chess strategies and tactics.

Each day I offer you a different free online chess problem with various difficulties. One day you will have to solve an easy checkmate in 2 and the day after a very difficult free online chess problem in 2 or a checkmate in 6.

Bruno's Chess Problem: 05/16/2022

F.Fleck, Magyar Sakkvilag, 1943

Mate in 2(***)
chess problem diagram
White to play


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2022-05-16 06:30:17, by problemist
"My only love sprung from my only hate! \ Too early seen unknown, and known too late!" William Shakespeare (1564-1616), "Romeo and Juliet" act I, v, l. 142.

FIDE Album. 1st HM. Mutate, for each black move a mate is set 1.. d2, exd4, e6, N~, g3 2. Bc2#, Rxe7#, Nf6#, Nhg3#, Bf3#, but they cannot be retained by a waiting move. The key 1. Nf5 creates again zugzwang and changes all mates 1.. d2, exd4, e6, N~, g3 2. Qc2#, Qxd4#, Nxd6#, Nfg3#, f3#. This is a mutate for the textbook! Reprinted in "Die Tat", 15 Jun 1946 (101) and Fleck's "Ein Lebenslauf, in Problemen erzählt", No. 55.

Ferenc Fleck (* 17.2.1908 in Budafok, † 25.2.1994 in Budapest) Hungarian composer, Honorary Master and FIDE Master, see wikipedia de, it, lv. The German article is to be recommended as it is particularly comprehensive and contains an extensive discussion of the Fleck theme and its variants. "Ferenc Fleck was Honorary Master in chess composition but also an international judge and left his name to the Fleck theme: "Separation of the threats (at least 3) by an equivalent number of black defences, and there is no dual after each defence" (source: Problemesis)." For more biographical details see also the Hungarian site

From Günter Büsing's 'Kalenderblatt' in 'Die Schwalbe', April 2008: "Mehrfache Drohungen sind in der Regel unerwünscht, doch anders ist es beim Fleck-Thema, wo es darum geht, dieselben durch schwarze Verteidigungszüge zu differenzieren. Wie weit dieses Spiel getrieben werden kann, zeigt die Aufgabe von [Petrus] Overkamp (Niederländisches JT, 1951–52, 2. Preis), in der [...] nicht weniger als sieben Drohungen [...] durch die schwarzen Züge eindeutig separiert werden [...] Den Erfinder dieses Vorwurfs, Ferenc Fleck (17.2.1908-25.2.1994), konnte der Schreiber 1987 bei einem Besuch des Münchner Problemkreises in Budapest noch persönlich kennenlernen."

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