MESON Chess Problem Database

Problem Display
PID: 167756 (8/8/8/8/8/6p1/5PRb/5KNk w - - 0 1)

Lincoln, Robert A

2nd HM., Springaren, 2014

8/8/8/8/8/6p1/5PRb/5KNk

#2

4 + 3

145 StrateGems 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • 1...Bg1
        • 2.Sxg3#
      • 1...gxf2!
    • 1.Sh3?
      • 1...gxf2
        • 2.Sxf2#
      • 1...Bg1!
  • Keys
    • 1.Sf3!
      • 1...gxf2
        • 2.Rxh2#
      • 1...Bg1
        • 2.Rxg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • B(b);N_GUARD::S(B),XP(c)
      • Refutation
        • P(c);XP(C)
    • Try
      • S(B);
      • Vars
        • P(c);XP(C)::S(B),XP(c)
      • Refutation
        • B(b);
  • Actual
    • S(B);
    • Vars
      • P(c);N_GUARD,XP(C)::R1(D),XB(b)
      • B(b);N_GUARD::R1(D),XB(b)
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