MESON Chess Problem Database

Problem Display
PID: 15233 (knK5/p6Q/8/8/8/8/7p/7b w - - 0 1)

Speckmann, Werner

Miniature Chess Problems from Many Countries, 1981

knK5/p6Q/8/8/8/8/7p/7b

#2

2 + 5

3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7+
      • 2.Qxb7#
    • 1...Sc6
      • 2.Qb7#
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qxb8#
      • 1...Bb7+
        • 2.Qxb7#
      • 1...Sa6
        • 2.Qxh1#
      • 1...Sc6
        • 2.Qb7#
      • 1...Sd7
        • 2.Qxh1#

Anticipated by 16631(1942)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);CHECK,N_GUARD::QAB1(A),XB(a)
    • S(e);S_CUTB(a)::QAB1(A)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XS(e)
    • Vars
      • B(a);CHECK,N_GUARD::QAB1(A),XB(a)
      • S(e);N_GUARD::QAB(A),XB(a)
      • S(e);S_CUTB(a)::QAB1(A)
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