MESON Chess Problem Database

Problem Display
PID: 157069 (8/8/8/8/8/3BP3/pk2K1Q1/N7 w - - 0 1)

Abdurahmanovic, Fadil

Bilten, 1955

8/8/8/8/8/3BP3/pk2K1Q1/N7

#2

5 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa1
      • 2.Qg7#
  • Tries
    • 1.Kd1+?
      • 1...Kxa1
        • 2.Qg7#
      • 1...Kc3
        • 2.Qd2#
      • 1...Ka3!
    • 1.Ke1+?
      • 1...Kxa1
        • 2.Qg7#
      • 1...Kc1
        • 2.Sb3#
        • 2.Qc2#
        • 2.Qd2#
      • 1...Kc3
        • 2.Qd2#
      • 1...Ka3!
    • 1.Kd2?
      • 1...Kxa1
        • 2.Qg7#
      • 1...Ka3!
    • 1.Qd5?
      • 1...Kxa1
        • 2.Qd4#
        • 2.Qe5#
      • 1...Ka3
        • 2.Qb3#
      • 1...Kc3
        • 2.Qb3#
        • 2.Qd4#
      • 1...Kc1!
    • 1.Qc6?
      • 1...Kxa1
        • 2.Qc1#
        • 2.Qc3#
        • 2.Qf6#
      • 1...Ka3!
    • 1.Qb7+?
      • 1...Kxa1
        • 2.Qg7#
      • 1...Ka3
        • 2.Qb3#
      • 1...Kc3
        • 2.Qb3#
      • 1...Kc1!
    • 1.Qg7+?
      • 1...Kc1
        • 2.Sb3#
        • 2.Qc3#
      • 1...Ka3!
    • 1.Qg8?
      • 1...Kxa1
        • 2.Qg7#
        • 2.Qh8#
      • 1...Ka3
        • 2.Qb3#
      • 1...Kc3
        • 2.Qb3#
      • 1...Kc1!
  • Keys
    • 1.Qa8!
      • 1...Kxa1
        • 2.Qh8#
      • 1...Kc1
        • 2.Qa3#
      • 1...Kc3
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT,XS(A)::QAB(C)
  • Tries
    • Try
      • K(B);CHECK,S_FLIGHT
      • Vars
        • K(b);S_FLIGHT,XS(A)::QAB(C)
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(B);CHECK,P-FLIGHT
      • Vars
        • K(b);S_FLIGHT,XS(A)::QAB(C)
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT,XS(A)::QAB(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);S_FLIGHT,XS(A)::QAB(C)
        • K(b);S_FLIGHT::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT,XS(A)::QAB(C)
      • K(b);S_FLIGHT::QAB(C)
      • K(b);S_FLIGHT::QAR2(C)
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