MESON Chess Problem Database

Problem Display
PID: 24204 (8/5K2/8/8/4k3/4NN2/2R5/6Q1 w - - 0 1)

Feist, CWM

Hampshire Magazine, 1884

8/5K2/8/8/4k3/4NN2/2R5/6Q1

#2

5 + 1

2786 More Fun with Chess Miniatures 2000
5454 Near Snap 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Re2?
      • 1...Kxf3
        • 2.Qg4#
      • 1...Kf4
        • 2.Qg4#
      • 1...Kd3!
    • 1.Rc3?
      • threat
        • 2.Qg4#
      • 1...Kf4
        • 2.Qg4#
      • 1...Kxf3!
    • 1.Qf2?
      • 1...Kf4
        • 2.Rc4#
      • 1...Kd3!
    • 1.Qg4+?
      • 1...Kd3
        • 2.Qd4#
      • 1...Kxe3!
  • Keys
    • 1.Sd5!
      • 1...Kd3
        • 2.Qg6#
      • 1...Kxf3
        • 2.Qg2#
      • 1...Kxd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qg6#

This anticipates 165386(1891), 170483(1958)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::QAB1(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAR2(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAB(A)
      • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
      • K(a);S_FLIGHT,XS(C)::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
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