MESON Chess Problem Database

Problem Display
PID: 24978 (3k4/5K2/3PP3/2Rn4/8/3B4/8/8 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

HM., Goteborg Postens, 1993

3k4/5K2/3PP3/2Rn4/8/3B4/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Se7
      • 2.dxe7#
  • Tries
    • 1.Bb5?
      • 1...Sc3
        • 2.e7#
      • 1...Se3
        • 2.e7#
      • 1...Sb4
        • 2.e7#
      • 1...Sf4
        • 2.e7#
      • 1...Sb6
        • 2.e7#
      • 1...Sf6
        • 2.e7#
      • 1...Se7
        • 2.dxe7#
      • 1...Sc7!
    • 1.Ba6?
      • threat
        • 2.Rc8#
      • 1...Sc7
        • 2.dxc7#
      • 1...Se7
        • 2.dxe7#
      • 1...Sb6!
  • Keys
    • 1.Bf5!
      • 1...Sc7
        • 2.e7#
      • 1...Sc3
        • 2.e7#
      • 1...Se3
        • 2.e7#
      • 1...Sb4
        • 2.e7#
      • 1...Sf4
        • 2.e7#
      • 1...Sb6
        • 2.e7#
      • 1...Sf6
        • 2.e7#
      • 1...Se7
        • 2.dxe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE::P(C),XS(a)
  • Tries
    • Try
      • B(A);
      • Vars
        • S(a);N_GUARD::P(D)
        • S(a);OGATE::P(C),XS(a)
      • Refutation
        • S(a);
    • Try
      • B(A);
      • Threat
        • R1(B)
      • Vars
        • S(a);OGATE::P(C),XS(a)
      • Refutation
        • S(a);
  • Actual
    • B(A);
    • Vars
      • S(a);N_GUARD::P(D)
      • S(a);OGATE::P(C),XS(a)
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