MESON Chess Problem Database

Problem Display
PID: 28732 (8/1B6/6K1/3q4/4k3/4P3/Q7/4N3 w - - 0 1)

Barry, John Finan

Quebec Chronicle, 1885

8/1B6/6K1/3q4/4k3/4P3/Q7/4N3

#2

5 + 2

3248 Miniatures canadiennes 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qxd5#
    • 1...Qc6+
      • 2.Qe6#
    • 1...Qxb7
      • 2.Qe6#
  • Tries
    • 1.Kf6?
      • 1...Qc6+
        • 2.Qe6#
      • 1...Qxb7
        • 2.Qe6#
      • 1...Kxe3!
    • 1.Ba8?
      • 1...Qc6+
        • 2.Qe6#
      • 1...Ke5
        • 2.Qxd5#
      • 1...Qxa8
        • 2.Qe6#
      • 1...Qb7
        • 2.Qe6#
      • 1...Kxe3!
    • 1.Qc4+?
      • 1...Ke5
        • 2.Qxd5#
      • 1...Kxe3!
    • 1.Qd2?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qxd5#
      • 1...Qc6+!
    • 1.Qg2+?
      • 1...Ke5
        • 2.Qxd5#
      • 1...Kxe3!
  • Keys
    • 1.Qb3!
      • 1...Qc6+
        • 2.Qe6#
      • 1...Ke5
        • 2.Qxd5#
      • 1...Qxb7
        • 2.Qe6#

There are these versions: 107693

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINQ(b),P-FLIGHT::QAR1(B),XQ(b)
    • Q(b);CHECK,OGATE::QAR2(B)
    • Q(b);N_SPINQ(b),OGATE,XB(E)::QAR2(B)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • Q(b);CHECK,OGATE::QAR2(B)
        • Q(b);N_SPINQ(b),OGATE,XB(E)::QAR2(B)
      • Refutation
        • K(a);N_SPINQ(b),P-FLIGHT,XP(C)
    • Try
      • B(E);
      • Vars
        • Q(b);CHECK,OGATE::QAR2(B)
        • K(a);N_SPINQ(b),P-FLIGHT::QAR1(B),XQ(b)
        • Q(b);N_SPINQ(b),OGATE,XB(E)::QAR2(B)
        • Q(b);OGATE::QAR2(B)
      • Refutation
        • K(a);N_SPINQ(b),P-FLIGHT,XP(C)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINQ(b),P-FLIGHT::QAR1(B),XQ(b)
      • Refutation
        • K(a);N_SPINQ(b),P-FLIGHT,XP(C)
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);N_SPINQ(b),P-FLIGHT::QAR1(B),XQ(b)
      • Refutation
        • Q(b);CHECK
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINQ(b),OGATE,P-FLIGHT::QAR1(B),XQ(b)
      • Refutation
        • K(a);N_SPINQ(b),P-FLIGHT,XP(C)
  • Actual
    • Q(B);
    • Vars
      • Q(b);CHECK,OGATE::QAR2(B)
      • K(a);N_SPINQ(b),P-FLIGHT::QAR1(B),XQ(b)
      • Q(b);N_SPINQ(b),OGATE,XB(E)::QAR2(B)
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