MESON Chess Problem Database

Problem Display
PID: 142031 (1K1N4/8/8/4k3/4b3/4B3/8/3Q4 w - - 0 1)

Nield, Joshua

Bolton Football Field, 1926

1K1N4/8/8/4k3/4b3/4B3/8/3Q4

#2

4 + 2

14867 BCPS Library 2011
5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Qd4#
  • Tries
    • 1.Qd6+?
      • 1...Kf5
        • 2.Qe6#
      • 1...Kxd6!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe6#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd6
        • 2.Qe6#
      • 1...Kf6
        • 2.Qg5#
      • 1...Bd5
        • 2.Qf4#
      • 1...Bf5
        • 2.Qd4#

Anticipated by 57310(1872), 207506(1872), 212972(1882), 5103(1899), 248100(1899)

There are these versions: 64275

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);P-FLIGHT::QAB1(A)
      • K(b);S_FLIGHT::QAR1(A)
      • K(b);S_FLIGHT::QAB1(A)
      • B(a);SBLOCK::QAB1(A)
      • B(a);OGATE,SBLOCK::QAB1(A)
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