MESON Chess Problem Database

Problem Display
PID: 2334 (8/1p6/B1p5/1Np3Q1/4k3/8/3K4/8 w - - 0 1)

Gardner, John Carey

Source?, 0000

8/1p6/B1p5/1Np3Q1/4k3/8/3K4/8

#2

4 + 4

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...Kd4
        • 2.Qe3#
        • 2.Qf4#
        • 2.Qf6#
        • 2.Qg7#
      • 1...Kf3!
    • 1.Qf4+?
      • 1...Kd5
        • 2.Sc7#
      • 1...Kxf4!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Sc3#
      • 1...cxb5
        • 2.Bxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Threat
      • S(B)
    • Vars
      • K(a);S_FLIGHT::S(B)
      • P(c);OGATEB,XS(B)::B(D),XP(d)
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