MESON Chess Problem Database

Problem Display
PID: 16539 (B1NN4/1b4B1/3P4/n1Q1pk2/5p1K/3R4/3b1PP1/8 w - - 0 1)

Murphy, F

Chess, 1941

B1NN4/1b4B1/3P4/n1Q1pk2/5p1K/3R4/3b1PP1/8

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg2
      • 2.Se7#
    • 1...Bf3
      • 2.Se7#
    • 1...Be4
      • 2.Se7#
    • 1...Ba6
      • 2.Se7#
  • Keys
    • 1.Qc2!
      • threat
        • 2.Rd5#
      • 1...Ke4
        • 2.Rxd2#
      • 1...Kg6
        • 2.Rg3#
      • 1...Bxg2
        • 2.Se7#
      • 1...f3
        • 2.Rxf3#
      • 1...Bf3
        • 2.Se7#
      • 1...Be4
        • 2.Se7#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Ba6
        • 2.Se7#
      • 1...e4
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(f);XP(B)::S(I)
    • B(f);::S(I)
  • Actual
    • Q(E);N_PINP(d)
    • Threat
      • QAB(E)+R(C)
    • Vars
      • K(e);P_SPINB(f),S_FLIGHT::QAB(E)+R(C),XB(a)
      • K(e);S_FLIGHT::QAB(E)+R(C),DCHECK
      • B(f);XP(B)::S(I)
      • P(b);::QAB(E)+R(C),DCHECK,XP(b)
      • B(f);::S(I)
      • B(f);::QAB(E)+R(C),XB(f)
      • P(d);SBLOCK::S(I)
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