MESON Chess Problem Database

Problem Display
PID: 155137 (3n4/3b4/8/N5Q1/k1P5/2P5/7K/8 w - - 0 1)

Williams, Philip Hamilton

Holt School, 0000

3n4/3b4/8/N5Q1/k1P5/2P5/7K/8

#2

5 + 3

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5+?
      • 1...Ka3
        • 2.Qb3#
      • 1...Bxb5!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qa1#
      • 1...Ka3
        • 2.Qa1#
      • 1...Kxa5
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • B(b);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAR(E)
    • Vars
      • K(a);P-FLIGHT::QAR2(E)
      • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(E)
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