MESON Chess Problem Database

Problem Display
PID: 71162 (6Qr/2R1p1B1/6B1/3p1P2/8/1p6/3K3p/1kN5 w - - 0 1)

Ling, John Francis

Chess, 1951

6Qr/2R1p1B1/6B1/3p1P2/8/1p6/3K3p/1kN5

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.fxe5 ep#
    • 1...e6
      • 2.fxe6#
  • Keys
    • 1.Ra7!
      • threat
        • 2.Ra1#
      • 1...d4
        • 2.Qxb3#
      • 1...e5
        • 2.fxe5 ep#
      • 1...b2
        • 2.f6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(e);OGATE::B(D)+P(C),XP(e),EP
    • P(e);OGATE::B(D)+P(C),XP(e)
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • P(d);OGATE::QAR2(G),XP(c)
      • P(e);OGATE::B(D)+P(C),XP(e),EP
      • P(c);SBLOCK::B(D)+P(C)
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