MESON Chess Problem Database

Problem Display
PID: 48026 (8/8/8/B6Q/2kp4/R1p5/8/5K2 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

8/8/8/B6Q/2kp4/R1p5/8/5K2

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qe2#
  • Tries
    • 1.Bb4?
      • 1...Kd3
        • 2.Qe2#
      • 1...c2
        • 2.Qc5#
      • 1...d3
        • 2.Qc5#
      • 1...Kxb4!
    • 1.Rb3?
      • threat
        • 2.Qb5#
      • 1...Kd3
        • 2.Qe2#
      • 1...d3
        • 2.Rb4#
      • 1...Kxb3!
    • 1.Ra4+?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb3!
    • 1.Qe5?
      • 1...Kd3
        • 2.Qe2#
      • 1...d3
        • 2.Rxc3#
      • 1...c2!
  • Keys
    • 1.Bb6!
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb4
        • 2.Qc5#
      • 1...c2
        • 2.Qc5#
      • 1...d3
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINP(a),S_FLIGHT::QAB1(D)
  • Tries
    • Try
      • B(C);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB1(D)
        • P(a);::QAR1(D)
        • P(c);SBLOCK::QAR1(D)
      • Refutation
        • K(b);P-FLIGHT,XB(C)
    • Try
      • R(B);
      • Threat
        • QAB1(D)
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB1(D)
        • P(c);SBLOCK::R1(B)
      • Refutation
        • K(b);S_FLIGHT,XR(B)
    • Try
      • R(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB1(D)
        • P(c);N_GUARD::R1(B),XP(a)
      • Refutation
        • P(a);
  • Actual
    • B(C);
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::QAB1(D)
      • K(b);P-FLIGHT::QAB1(D)
      • P(a);::QAR1(D)
      • P(c);SBLOCK::QAR1(D)
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