MESON Chess Problem Database

Problem Display
PID: 68856 (K5Q1/3p1R2/3P3p/5N1p/3Pk2P/3p1p2/3B4/7B w - - 0 1)

Abbott, Joseph William

The Chess Players' Quarterly Chronicle, 1870

K5Q1/3p1R2/3P3p/5N1p/3Pk2P/3p1p2/3B4/7B

#2

9 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Bg2?
      • 1...fxg2
        • 2.Qxg2#
      • 1...Kd5!
    • 1.Qg2?
      • threat
        • 2.Qxf3#
      • 1...fxg2
        • 2.Bxg2#
      • 1...Kd5!
  • Keys
    • 1.Kb7!
      • 1...Kd5
        • 2.Re7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • P(b);N_SPINP(b),OGATE,XB(A)::QAB(I),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(I);
      • Threat
        • QAB1(I),XP(b)
      • Vars
        • P(b);OGATE,XQ(I)::B(A),XP(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • K(H);S_FLIGHT
    • Vars
      • K(c);S_FLIGHT::QAB(I)+R(G)
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