MESON Chess Problem Database

Problem Display
PID: 287194 (8/1p6/1K6/5P2/3k1BP1/1p6/1P3pQ1/3B4 w - - 0 1)

Authier, Gabriel

Jerusalem Post, 1955

8/1p6/1K6/5P2/3k1BP1/1p6/1P3pQ1/3B4

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qd5#
    • 1...Kc4
      • 2.Qe4#
  • Tries
    • 1.Bc2?
      • threat
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
      • 1...bxc2!
  • Keys
    • 1.Qf1!
      • 1...Ke4
        • 2.Qc4#
      • 1...Kd5
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(c);N_GUARD,P-FLIGHT::QAR2(C)
  • Tries
    • Try
      • B(A);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • P(b);XB(A)
  • Actual
    • Q(C);
    • Vars
      • K(c);N_GUARD,P-FLIGHT::QAR2(C)
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