MESON Chess Problem Database

Problem Display
PID: 18165 (8/8/1K2pp2/3R4/4kP2/8/B1PP4/5Q1b w - - 0 1)

Ruff, Ian

Time & Tide, 1953

8/8/1K2pp2/3R4/4kP2/8/B1PP4/5Q1b

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.Qc4#
  • Tries
    • 1.Rd4+?
      • 1...Kxd4
        • 2.Qd3#
        • 2.Qc4#
      • 1...Kf5!
    • 1.Re5+?
      • 1...Kd4
        • 2.Qd3#
        • 2.Qc4#
        • 2.Qa1#
        • 2.Qg1#
        • 2.Qf2#
        • 2.c3#
      • 1...fxe5!
  • Keys
    • 1.Bb1!
      • threat
        • 2.c4#
      • 1...Kxd5
        • 2.Qd3#
      • 1...exd5
        • 2.c3#
      • 1...Bf3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAR2(A)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • P(d);XR(F)
  • Actual
    • B(B);
    • Threat
      • B(B)+P(C)
    • Vars
      • K(b);S_FLIGHT,XR(F)::QAR2(A)
      • P(c);SBLOCK,XR(F)::B(B)+P(C)
      • B(a);SBLOCK::QAR2(A)
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