MESON Chess Problem Database

Problem Display
PID: 169121 (1k6/R4N2/1P6/K7/8/7B/8/1R6 w - - 0 1)

Abramenko, Sergey Petrovich

SuperProblem 118. TT, 2014

1k6/R4N2/1P6/K7/8/7B/8/1R6

#2

6 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Ra8+?
      • 1...Kb7
        • 2.Bg2#
      • 1...Kxa8!
  • Keys
    • 1.b7!
      • 1...Kxa7
        • 2.b8Q#
      • 1...Kc7
        • 2.b8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT,XR(E)
  • Actual
    • P(D);
    • Vars
      • K(a);OGATE,S_FLIGHT,XR(E)::P=Q
      • K(a);OGATE,S_FLIGHT::P=S
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