MESON Chess Problem Database

Problem Display
PID: 160114 (rk5K/1B4R1/3P4/1Np4p/p7/8/8/1Q1q4 w - - 0 1)

Barry, Henry William

Source?, 1905

rk5K/1B4R1/3P4/1Np4p/p7/8/8/1Q1q4

#2

6 + 6

15 British Chess Magazine 1908

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5?
      • threat
        • 2.Qc8#
        • 2.Qf8#
      • 1...Qxd6
        • 2.Qc8#
      • 1...Qe2
        • 2.Qc8#
      • 1...Qf3
        • 2.Qc8#
      • 1...Qe1
        • 2.Qc8#
      • 1...Qf1
        • 2.Qc8#
      • 1...Qg4!
  • Keys
    • 1.Sa7!
      • threat
        • 2.Sc6#
      • 1...Kxa7+
        • 2.Bc8#
      • 1...Qxd6
        • 2.Bc6#
      • 1...Rxa7
        • 2.Rg8#
      • 1...Qf3
        • 2.Bxf3#
      • 1...Qh1
        • 2.Bxh1#
      • 1...Qd5
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);XP(C)::QAR1(A)
        • Q(a);::QAR1(A)
      • Refutation
        • Q(a);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(f);CHECK,S_FLIGHT,XS(B)::R(E)+B(D)
      • Q(a);N_GUARD,XP(C)::QAR(A)+B(D)
      • R(e);SBLOCK,XS(B)::R(E)
      • Q(a);N_GUARD::QAR(A)+B(D),XQ(a)
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