MESON Chess Problem Database

Problem Display
PID: 230744 (3r1R2/1PPBP3/3k4/8/3K4/8/8/8 w - - 0 1)

Latzel, Gerhard Paul

Deutsche Schachzeitung, 1970

3r1R2/1PPBP3/3k4/8/3K4/8/8/8

#2

6 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd8?
      • 1...Kxc7
        • 2.b8Q#
      • 1...Kxe7!
    • 1.cxd8R?
      • 1...Kc7
        • 2.b8Q#
      • 1...Kxe7!
  • Keys
    • 1.exd8R!
      • 1...Kxc7
        • 2.b8Q#
      • 1...Ke7
        • 2.c8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);XR(b)
      • Vars
        • K(a);S_FLIGHT,XP(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XP(E)
    • Try
      • P(C);XR(b)
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT,XP(E)
  • Actual
    • P(E);XR(b)
    • Vars
      • K(a);S_FLIGHT,XP(C)::P=Q
      • K(a);S_FLIGHT::P=S
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