Meson Chess Problem Database

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Problem Display

PID: 235585 (1K1B4/1p4n1/1QN2R2/p1P3p1/P1p1k2r/2p1P3/4PP1n/bb5q w - - 0 1)

Seider, Shlomo

Schweizerische Schachzeitung, 1988

1K1B4/1p4n1/1QN2R2/p1P3p1/P1p1k2r/2p1P3/4PP1n/bb5q

#3

10 + 12

SOLUTION

SOUND
Sets
- 1...Sf5
  - 2.Re6+
    - 2...Kd5
      - 3.Re5#
- 1...bxc6
  - 2.Qxc6+
    - 2...Ke5
      - 3.Bc7#
Keys
- 1.Qxb7!
  - threat
    - 2.Qe7+
      - 2...Kd5
        3.Qe5#
      - 2...Se6
        3.Qxe6#
  - 1...Kd5
    - 2.Qd7+
      - 2...Ke4
        3.Qd4#
      - 2...Kxc5
        3.Qd6#
  - 1...Sf3
    - 2.Sb4+
      - 2...Ke5
        3.Qd5#
  - 1...Sg4
    - 2.Sxa5+
      - 2...Ke5
        3.Sxc4#
  - 1...Sf5
    - 2.Sd4+
      - 2...Ke5
        3.Re6#
    - 2.Se7+
      - 2...Ke5
        3.Sg6#
    - 2.Re6+
      - 2...Kd5
        3.Re5#
    - 2.Qd7
      - threat
        3.Re6#
        3.Qxf5#
        3.Qe6#
      - 2...Sd4
        3.Qxd4#
      - 2...Sg7
        3.Qd4#
  - 1...Sh5
    - 2.Sb4+
      - 2...Ke5
        3.Qe7#
    - 2.Sd4+
      - 2...Ke5
        3.Re6#
    - 2.Qd7
      - threat
        3.Qf5#
        3.Qe6#
        3.Qd4#
    - 2.Qe7+
      - 2...Kd5
        3.Qe5#
  - 1...Se6
    - 2.Sd4+
      - 2...Ke5
        3.Rxe6#
  - 1...Se8
    - 2.Sb4+
      - 2...Ke5
        3.Qe7#
    - 2.Sd4+
      - 2...Ke5
        3.Re6#
    - 2.Qd7
      - threat
        3.Qf5#
        3.Qe6#
        3.Qd4#
    - 2.Qe7+
      - 2...Kd5
        3.Qe5#
  - 1...c2
    - 2.Se7+
      - 2...Ke5
        3.Sg6#

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