MESON Chess Problem Database

Problem Display
PID: 52655 (8/4Np1b/2Q4n/2P3p1/4PkN1/7K/4P2b/8 w - - 0 1)

Healey, Percy E

Chess Amateur (The), 1908

8/4Np1b/2Q4n/2P3p1/4PkN1/7K/4P2b/8

#2

7 + 6

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Qd6#
      • 2.Qc7#
  • Tries
    • 1.Qe6?
      • threat
        • 2.Sd5#
        • 2.Qe5#
      • 1...Bxe4
        • 2.Qe5#
        • 2.Qd6#
      • 1...Sxg4
        • 2.Sd5#
      • 1...f6
        • 2.Sd5#
      • 1...fxe6!
    • 1.Qf6+?
      • 1...Bf5
        • 2.Qe5#
      • 1...Sf5
        • 2.Qe5#
      • 1...Kxe4!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Sd5#
      • 1...Kxe4
        • 2.Qa4#
      • 1...Bxe4
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);XS(D)::S(G)
        • P(e);::S(G)
      • Refutation
        • P(e);XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • B(f);P_PINS(D),P_SPINB(f)::QAB1(F)
        • S(d);P_SPINS(d)::QAB1(F)
      • Refutation
        • K(b);P-FLIGHT,XP(C)
  • Actual
    • Q(F);
    • Threat
      • S(G)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(C)::QAR(F)
      • B(f);SBLOCK,XP(C)::QAB(F)
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