MESON Chess Problem Database

Problem Display
PID: 274677 (8/2B2p2/p1p2K2/2k5/2p5/2Q5/8/8 w - - 0 1)

Ganie, F Abdul

Problemnoter, 1964

8/2B2p2/p1p2K2/2k5/2p5/2Q5/8/8

#2

3 + 5

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Qa5#
    • 1...Kd5
      • 2.Qe5#
  • Tries
    • 1.Ke5?
      • threat
        • 2.Qa5#
      • 1...Kb5
        • 2.Qa5#
      • 1...a5
        • 2.Qxa5#
      • 1...f6+!
    • 1.Kxf7?
      • 1...Kb5
        • 2.Qa5#
      • 1...Kd5
        • 2.Qe5#
      • 1...a5!
    • 1.Bb6+?
      • 1...Kb5
        • 2.Qa5#
      • 1...Kd5
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kd6
        • 2.Qd2#
        • 2.Qd4#
      • 1...Kxb6!
    • 1.Bd8?
      • 1...Kb5
        • 2.Qa5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kd6
        • 2.Qd4#
      • 1...a5!
  • Keys
    • 1.Ba5!
      • threat
        • 2.Qe5#
      • 1...Kb5
        • 2.Qb4#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kd6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAR2(A)
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR1(A)
        • P(c);::QAR2(A),XP(c)
      • Refutation
        • P(e);CHECK
    • Try
      • K(B);P-FLIGHT,XP(e)
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
      • Refutation
        • P(c);
    • Try
      • B(C);CHECK
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XB(C)
    • Try
      • B(C);
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
        • K(b);N_GUARD,N_SPINP(a),S_FLIGHT::QAR2(A)
      • Refutation
        • P(c);
  • Actual
    • B(C);
    • Threat
      • QAR2(A)
    • Vars
      • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
      • K(b);N_SPINP(a),P-FLIGHT::QAR1(A)
      • K(b);N_GUARD,N_SPINP(a),S_FLIGHT::QAR2(A)
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