MESON Chess Problem Database

Problem Display
PID: 246067 (8/pPP5/k7/8/nK6/8/8/8 w - - 0 1)

Zinoviev, Nikolai

Sa ogneupory, 1987

8/pPP5/k7/8/nK6/8/8/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.b8Q?
      • threat
        • 2.Qb5#
        • 2.c8Q#
        • 2.c8B#
      • 1...Sb2
        • 2.Qb5#
        • 2.c8Q#
        • 2.c8B#
      • 1...Sc3
        • 2.c8Q#
        • 2.c8B#
      • 1...Sc5
        • 2.Qb5#
      • 1...Sb6!
  • Keys
    • 1.c8Q!
      • threat
        • 2.b8Q#
        • 2.b8R#
      • 1...Kb6
        • 2.b8Q#
        • 2.b8R#
      • 1...Sb2
        • 2.Qc6#
        • 2.b8Q#
        • 2.b8R#
      • 1...Sc3
        • 2.Qc6#
        • 2.b8Q#
        • 2.b8R#
      • 1...Sc5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(B);
      • Threat
        • DUALS(3)
      • Vars
        • S(a);::P=Q
        • S(a);::QAB1(B)
      • Refutation
        • S(a);
  • Actual
    • P(C);
    • Threat
      • P=Q
    • Vars
      • K(b);P-FLIGHT::P=Q
      • S(a);N_GUARD::QAR2(C)
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