MESON Chess Problem Database

Problem Display
PID: 206258 (nR2KB1k/2p4p/4p1rP/8/8/8/8/8 w - - 0 1)

Eighch, Eustace

Schackvarlden, 1925

nR2KB1k/2p4p/4p1rP/8/8/8/8/8

#2

4 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kf7?
      • threat
        • 2.Bg7#
      • 1...Rg7+
        • 2.Bxg7#
        • 2.hxg7#
      • 1...Rf6+!
    • 1.Bg7+?
      • 1...Kg8
        • 2.Ke7#
      • 1...Rxg7!
  • Keys
    • 1.Ke7!
      • threat
        • 2.Bg7#
      • 1...Rg7+
        • 2.Bxg7#
      • 1...Kg8
        • 2.Bg7#
      • 1...Rxh6
        • 2.Bxh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • R(B)+B(D),DCHECK
      • Refutation
        • R(b);CHECK
    • Try
      • B(D);CHECK
      • Vars
        • K(f);P-FLIGHT::R(B)+K(C)
      • Refutation
        • R(b);XB(D)
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • R(B)+B(D),DCHECK
    • Vars
      • R(b);CHECK::R(B)+B(D),DCHECK,XR(b)
      • K(f);P-FLIGHT::R(B)+B(D)
      • R(b);OGATE,XP(A)::R(B)+B(D),XR(b)
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