MESON Chess Problem Database

Problem Display
PID: 16799 (2K5/3R1p2/1Q6/2N2p2/4P3/4k1pb/R3B1p1/6b1 w - - 0 1)

Mansfield, Comins

Evening Standard, 1943

2K5/3R1p2/1Q6/2N2p2/4P3/4k1pb/R3B1p1/6b1

#2

7 + 7

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Kf2
      • 2.Sd3#
    • 1...fxe4
      • 2.Sd3#
      • 2.Se6#
  • Tries
    • 1.Qh6+?
      • 1...Kf2
        • 2.Sd3#
      • 1...f4!
  • Keys
    • 1.Re7!
      • threat
        • 2.Sd3#
      • 1...fxe4+
        • 2.Se6#
      • 1...f4+
        • 2.Sd7#
      • 1...Kf2
        • 2.Sd3#
      • 1...Kd4
        • 2.Sa4#
      • 1...Kf4
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB(E)+S(D),DCHECK
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);S_FLIGHT::S(D)
      • Refutation
        • P(f);P_PINR(F),P_SPINP(f)
  • Actual
    • R(F);
    • Threat
      • QAB(E)+S(D)
    • Vars
      • P(f);CHECK,P_SPINP(f),SBLOCK,XP(C)::QAB(E)+S(D)
      • P(f);CHECK,SBLOCK::QAB(E)+S(D)
      • K(c);S_FLIGHT::QAB(E)+S(D),DCHECK
      • K(c);S_FLIGHT::QAB(E)+S(D)
      • K(c);S_FLIGHT::QAB(E)
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