MESON Chess Problem Database

Problem Display
PID: 34913 (6bK/4Np2/4k3/2Q5/8/8/8/2B5 w - - 0 1)

Watanabe, Kazuo

Problem Paradise, 1999

6bK/4Np2/4k3/2Q5/8/8/8/2B5

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Qd6#
  • Tries
    • 1.Qd5+?
      • 1...Kf6
        • 2.Bg5#
        • 2.Qd6#
      • 1...Kxe7!
  • Keys
    • 1.Ba3!
      • threat
        • 2.Qd6#
        • 2.Qf5#
      • 1...Kf6
        • 2.Qf5#
      • 1...Kd7
        • 2.Qc8#
      • 1...f5
        • 2.Qxf5#
      • 1...Bh7
        • 2.Qd6#
      • 1...f6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR2(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • B(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAB1(B)
      • P(b);::QAB1(B),XP(b)
      • B(c);::QAR1(B)
      • P(b);SBLOCK::QAB1(B)
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