MESON Chess Problem Database

Problem Display
PID: 215329 (8/8/K7/6R1/4k3/4b3/4Q3/8 w - - 0 1)

Riczu, Lajos

Land og Folk, 1975

8/8/K7/6R1/4k3/4b3/4Q3/8

#2

3 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qg4#
  • Tries
    • 1.Ka5?
      • 1...Kf4
        • 2.Qg4#
      • 1...Kd4!
    • 1.Kb7?
      • 1...Kf4
        • 2.Qg4#
      • 1...Kd4!
    • 1.Rc5?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf4!
  • Keys
    • 1.Kb5!
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf4
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • R(B);
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
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