Meson Chess Problem Database

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Problem Display

PID: 236376 (2Q5/r1p1B1p1/2k1p1P1/2P5/p1p1P3/2N5/8/K7 w - - 0 1)

Gfeller, Heinz

2nd Prize, Roi Blanc Peugeot, 1962

2Q5/r1p1B1p1/2k1p1P1/2P5/p1p1P3/2N5/8/K7

#4

7 + 7

15257	Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel)	1968

SOLUTION

SOUND
Keys
- 1.Bf8!
  - 1...Ra5
    - 2.Sb5
      - threat
        3.Sd4#
      - 2...Rxb5
        3.Qa8+
        3...Kd7
        4.c6#
        3...Rb7
        4.Qe8#
      - 2...e5
        3.Qxc7+
        3...Kxb5
        4.Qb6#
        4.Qb7#
  - 1...Ra6
    - 2.Qxa6+
      - 2...Kd7
        3.c6+
        3...Kd8
        4.Qa8#
        3...Ke8
        4.Qc8#
        4.Qa8#
  - 1...a3
    - 2.Bd6
      - 2...a2
        3.e5
        3...Ra3
        4.Qxc7#
        3...Ra4
        4.Qxc7#
        3...Ra5
        4.Qxc7#
        3...Ra6
        4.Qxc7#
        3...Rb7
        4.Qe8#
        3...Ra8
        4.Qxc7#
      - 2...e5
        3.Ka2
        3...Ra4
        4.Qxc7#
        3...Ra5
        4.Qxc7#
        3...Ra6
        4.Qxc7#
        3...Rb7
        4.Qe8#
        3...Ra8
        4.Qxc7#
  - 1...e5
    - 2.Bd6
      - 2...a3
        3.Ka2
        3...Ra4
        4.Qxc7#
        3...Ra5
        4.Qxc7#
        3...Ra6
        4.Qxc7#
        3...Rb7
        4.Qe8#
        3...Ra8
        4.Qxc7#

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