MESON Chess Problem Database

Problem Display
PID: 61300 (8/3K4/8/5kPQ/8/6P1/4R1n1/2b2B1b w - - 0 1)

Rice, John Michael

The Problemist, 1972

8/3K4/8/5kPQ/8/6P1/4R1n1/2b2B1b

#2

6 + 4

136 Problem Observer 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.g4#
    • 1...Se1
      • 2.Bh3#
    • 1...Sf4
      • 2.g4#
    • 1...Sh4
      • 2.Bh3#
  • Keys
    • 1.Re6!
      • threat
        • 2.Bd3#
      • 1...Se1
        • 2.Bh3#
      • 1...Se3
        • 2.g6#
      • 1...Sf4
        • 2.g4#
      • 1...Sh4
        • 2.Bh3#

This is after

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(a);SBLOCK::P(C)
    • S(c);OGATE::B(A)
    • S(c);SBLOCK::P(C)
  • Actual
    • R(B);
    • Threat
      • B(A)
    • Vars
      • S(c);OGATE::B(A)
      • S(c);S_CUTB(a)::QAR(E)+P(D)
      • S(c);SBLOCK::P(C)
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