MESON Chess Problem Database

Problem Display
PID: 184344 (Q4b2/3R2p1/n1rN1pP1/p2k4/4R2K/n1PN4/q2pP3/8 w - - 0 1)

Sparke, Arthur M

British Chess Magazine, 1916

Q4b2/3R2p1/n1rN1pP1/p2k4/4R2K/n1PN4/q2pP3/8

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Be7
      • 2.Qg8#
    • 1...Sc5
      • 2.Sf4#
    • 1...f5
      • 2.Re5#
  • Keys
    • 1.Ree7!
      • threat
        • 2.e4#
      • 1...Qc4+
        • 2.Se4#
      • 1...Bxe7
        • 2.Qg8#
      • 1...Sc5
        • 2.Sf4#
      • 1...f5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(j);OGATE::QAB(I)
    • S(f);SBLOCK::S(C)
    • P(h);N_GUARD::R1(D)
  • Actual
    • R(D);
    • Threat
      • P(A)
    • Vars
      • Q(a);CHECK,SBLOCK::R(H)+S(F)
      • B(j);OGATE,XR(D)::QAB(I)
      • S(f);SBLOCK::S(C)
      • P(h);N_GUARD::R1(D)
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