MESON Chess Problem Database

Problem Display
PID: 234631 (8/3BR1K1/8/7k/7N/5nR1/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2005

8/3BR1K1/8/7k/7N/5nR1/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sg6?
      • 1...Sg5
        • 2.Bg4#
      • 1...Se1
        • 2.Re5#
      • 1...Sg1
        • 2.Re5#
      • 1...Sd2
        • 2.Re5#
      • 1...Sh2
        • 2.Re5#
      • 1...Sh4
        • 2.Sf4#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sd4!
  • Keys
    • 1.Sg2!
      • threat
        • 2.Be8#
      • 1...Sg5
        • 2.Bg4#
      • 1...Sh4
        • 2.Sf4#
      • 1...Se5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • S(a);SBLOCK::B(C)
        • S(a);N_GUARD::R(D)
        • S(a);SBLOCK::S(B)
        • S(a);N_GUARD::R(D),XS(a)
      • Refutation
        • S(a);
  • Actual
    • S(B);
    • Threat
      • B(C)
    • Vars
      • S(a);SBLOCK::B(C)
      • S(a);SBLOCK::S(B)
      • S(a);N_GUARD::R(D),XS(a)
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