MESON Chess Problem Database

Problem Display
PID: 49420 (6b1/4K1n1/4N3/5k1p/Q4Bp1/6P1/8/n7 w - - 0 1)

Gold, Samuel

Source?, 0000

6b1/4K1n1/4N3/5k1p/Q4Bp1/6P1/8/n7

#2

5 + 6

5166 200 Schachaufgaben 1883
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Qxc2#
  • Tries
    • 1.Qb5+?
      • 1...Kg6
        • 2.Sf8#
      • 1...Ke4!
    • 1.Qa5+?
      • 1...Kg6
        • 2.Sf8#
      • 1...Ke4!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qd3#
      • 1...Ke4
        • 2.Sg5#
      • 1...Kg6
        • 2.Sf8#

This anticipates 214079(1977)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD::QAB(B),XS(a)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::S(D)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::S(D)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB(B)
    • Vars
      • K(c);S_FLIGHT::S(D)
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