MESON Chess Problem Database

Problem Display
PID: 249152 (Bk2N3/8/1P6/1K3Q2/5b2/8/8/8 w - - 0 1)

Buglos, Janos

The Problemist, 1990

Bk2N3/8/1P6/1K3Q2/5b2/8/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6?
      • threat
        • 2.Qc8#
        • 2.Qf8#
      • 1...Kxa8
        • 2.Qc8#
        • 2.Qf8#
      • 1...Bg5
        • 2.Qc8#
      • 1...Bh6
        • 2.Qc8#
      • 1...Bxd6!
    • 1.Qd7?
      • threat
        • 2.Qb7#
        • 2.Qd8#
      • 1...Kxa8
        • 2.Qa7#
      • 1...Bg5
        • 2.Qb7#
      • 1...Bc7!
    • 1.Qxf4+?
      • 1...Kc8
        • 2.Qc7#
      • 1...Kxa8!
    • 1.Qd5?
      • threat
        • 2.Qb7#
        • 2.Qd8#
      • 1...Bg5
        • 2.Qb7#
      • 1...Bd6
        • 2.Qb7#
      • 1...Bc7
        • 2.Qb7#
      • 1...Kc8!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Sd6#
        • 2.Sf6#
        • 2.Sc7#
        • 2.Sg7#
      • 1...Kxa8
        • 2.Sd6#
      • 1...Kc8
        • 2.Sf6#
      • 1...Bg5
        • 2.Sf6#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Bh6
        • 2.Sg7#
      • 1...Bc7
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAR1(B)
      • Refutation
        • B(a);XS(E)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT,XB(D)::QAR1(B)
        • B(a);::QAR1(B)
      • Refutation
        • B(a);
    • Try
      • Q(B);CHECK,XB(a)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT,XB(D)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • DUALS(4)
    • Vars
      • K(b);P-FLIGHT,XB(D)::QAR(B)+S(E)
      • K(b);P-FLIGHT::QAR(B)+S(E)
      • B(a);::QAR(B)+S(E)
      • B(a);::QAR(B)+S(E),XB(a)
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