MESON Chess Problem Database

Problem Display
PID: 214588 (8/6Pk/8/8/3Q2NK/8/8/8 w - - 0 1)

Fitzgerald, DE

Newark Sunday Call, 1879

8/6Pk/8/8/3Q2NK/8/8/8

#2

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5?
      • 1...Kg6
        • 2.g8Q#
      • 1...Kg8!
    • 1.Qa7?
      • 1...Kg8
        • 2.Sf6#
      • 1...Kg6!
    • 1.Qd5?
      • threat
        • 2.g8Q#
      • 1...Kg6
        • 2.g8Q#
      • 1...Kxg7!
    • 1.g8B+?
      • 1...Kg6
        • 2.Qf6#
      • 1...Kxg8!
  • Keys
    • 1.Qd7!
      • 1...Kg6
        • 2.g8Q#
        • 2.g8R#
      • 1...Kg8
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • P=Q
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • P(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XB(D)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::P=Q
      • K(a);S_FLIGHT::S(B)
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