MESON Chess Problem Database

Problem Display
PID: 178206 (7k/5Kbp/8/6B1/7Q/8/8/8 w - - 0 1)

Miloseski, Bosko

Vratnica-64, 2004

7k/5Kbp/8/6B1/7Q/8/8/8

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Qxd4#
    • 1...Bf6
      • 2.Bxf6#
  • Tries
    • 1.Qd4?
      • threat
        • 2.Qxg7#
      • 1...Be5
        • 2.Qxe5#
        • 2.Qd8#
      • 1...Bf6
        • 2.Bxf6#
        • 2.Qxf6#
      • 1...Bxd4!
    • 1.Qh6?
      • threat
        • 2.Qxg7#
      • 1...Bf8
        • 2.Qxf8#
      • 1...Ba1
        • 2.Qf8#
      • 1...Bb2
        • 2.Qf8#
      • 1...Bc3
        • 2.Qf8#
      • 1...Bd4
        • 2.Qf8#
      • 1...Be5
        • 2.Qf8#
      • 1...Bf6
        • 2.Bxf6#
        • 2.Qf8#
        • 2.Qxf6#
      • 1...Bxh6!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Bxg7#
      • 1...Bxf6
        • 2.Qxf6#
      • 1...h5
        • 2.Qxh5#
      • 1...h6
        • 2.Qxh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(a);OGATEB::QAB(A),XB(a)
    • B(a);OGATEB::B(B),XB(a)
  • Tries
    • Try
      • Q(A);N_PINP(b),P_PINB(a)
      • Threat
        • QAB1(A),XB(a)
      • Refutation
        • B(a);N_SPINB(a),XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XB(a)
      • Vars
        • B(a);OGATE::QAR2(A),XB(a)
        • B(a);OGATE::QAR2(A)
      • Refutation
        • B(a);N_SPINP(b),XQ(A)
  • Actual
    • B(B);P_PINB(a)
    • Threat
      • B(B),XB(a)
    • Vars
      • B(a);N_SPINB(a),OGATE,XB(B)::QAB(A),XB(a)
      • P(b);OGATEB::QAR(A),XP(b)
      • P(b);OGATEB::QAR2(A),XP(b)
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