MESON Chess Problem Database

Problem Display
PID: 234719 (8/5R2/7K/8/6kN/8/5P2/4n2R w - - 0 1)

Lincoln, Robert A

Kudesnik, 2013

8/5R2/7K/8/6kN/8/5P2/4n2R

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sg2?
      • threat
        • 2.Se3#
        • 2.Rh4#
        • 2.Rf4#
      • 1...Sc2
        • 2.Rh4#
        • 2.Rf4#
      • 1...Sd3
        • 2.Se3#
        • 2.Rh4#
      • 1...Sf3
        • 2.Se3#
        • 2.Rf4#
      • 1...Sxg2!
    • 1.Sf3?
      • threat
        • 2.Se5#
        • 2.Rh4#
      • 1...Sg2
        • 2.Se5#
      • 1...Sd3
        • 2.Rh4#
      • 1...Sxf3!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Se5#
        • 2.Rh4#
        • 2.Rf4#
      • 1...Sg2
        • 2.Se5#
      • 1...Sd3
        • 2.Rh4#
      • 1...Sf3
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(3)
      • Refutation
        • S(a);XS(C)
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::S(C)
        • S(a);::R1(A)
      • Refutation
        • S(a);XS(C)
  • Actual
    • S(C);
    • Threat
      • DUALS(3)
    • Vars
      • S(a);::S(C)
      • S(a);::R1(A)
      • S(a);::R1(E)
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