Problème d'il y a 3 jours

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Bruno's Chess Problem: 20/09/2023

E.Holladay, Northwest Chess, 1977

Mat en 2(****)
chess problem diagram

Les blancs jouent

Astuce :

La solution du problème de mat du jour est disponible à partir du lendemain.

1. Ba3! ... 2. Nb4#
  1... bxa4+ 2. Nb3#
  1... b4 2. Ne4#
  1... Rf4 2. Nxe5#

2023-09-20 06:10:38, by problemist: "O villain, villain, smiling, damned villain! \ My tables—meet it is I set it down, \ That one may smile, and smile, and be a villain; \ At least I’m sure it may be so in Denmark." William Shakespeare (1564-1616), "Hamlet" act I, sc. v, l. 106.

Shown is a check provocation after the key 1. Ba3 (2. Nb4# which also follows on a K-flight) bxa4+ opening the line of wQa5 such that the discovered cross-check mate 2. Nb3# works. Further 1.. b4 2. Ne4# another discovered check using the line opening of the wQ. 1.. Rf4 Grimshaw interference answered by 2. Nxe5#.

Edgar Dinwiddie Holladay (* 26.10.1925 in Cleveland, Ohio, † 8.9.2003 in Carmel, Indiana) American composer and International Master, see wikipedia it, lv. "Edgar Holladay wrote several books: "To Alain White" (1945), "C.W.Sheppard Twomovers" (1963) containing 100 twomovers, "O. Wurzburg Artistry" (1974) with 200 problems by Wurzburg and "E.M. Hassberg Ingenuity" (1978). In 2007 was posthumously published his book "Holladay Chess Problems". He was the editor of the problem section of the "American Chess Bulletin" from 1949 until 1963. In 1963 he founded the "US Problem Bulletin". He was an International Judge."
2023-09-20 06:10:32, by problemist: "O villain, villain, smiling, damned villain! \ My tables—meet it is I set it down, \ That one may smile, and smile, and be a villain; \ At least I’m sure it may be so in Denmark." William Shakespeare (1564-1616), "Hamlet" act I, sc. v, l. 106.

Shown is a check provocation after the key 1. Ba3 (2. Nb4# which also follows on a K-flight) bxa4+ opening the line of wQa5 such that the discovered cross-check mate 2. Nb3# works. Further 1.. b4 2. Ne4# another discovered check using the line opening of the wQ. 1.. Rf4 Grimshaw interference answered by 2. Nxe5#.

Edgar Dinwiddie Holladay (* 26.10.1925 in Cleveland, Ohio, † 8.9.2003 in Carmel, Indiana) American composer and International Master, see wikipedia it, lv. "Edgar Holladay wrote several books: "To Alain White" (1945), "C.W.Sheppard Twomovers" (1963) containing 100 twomovers, "O. Wurzburg Artistry" (1974) with 200 problems by Wurzburg and "E.M. Hassberg Ingenuity" (1978). In 2007 was posthumously published his book "Holladay Chess Problems". He was the editor of the problem section of the "American Chess Bulletin" from 1949 until 1963. In 1963 he founded the "US Problem Bulletin". He was an International Judge."

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