MESON Chess Problem Database

Problem Display
PID: 169982 (8/8/3N4/pp5R/k7/7R/8/2K5 w - - 0 1)

Lincoln, Robert A

4th HM., Problemist Ukraini, 2016

8/8/3N4/pp5R/k7/7R/8/2K5

#2

4 + 3

145 StrateGems 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Kb2?
      • 1...Kb4
        • 2.R3h4#
      • 1...b4!
    • 1.Sc8?
      • 1...b4
        • 2.Sb6#
      • 1...Kb4!
  • Keys
    • 1.Sb7!
      • 1...Kb4
        • 2.R5h4#
      • 1...b4
        • 2.Rxa5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(c);
    • Try
      • S(D);
      • Vars
        • P(c);SBLOCK::S(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);P-FLIGHT::R(C)
      • P(c);OGATE,SBLOCK::R1(C),XP(b)
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