MESON Chess Problem Database

Problem Display
PID: 157014 (6KN/8/4P2k/4p3/4PnP1/7N/3p1R2/2B5 w - - 0 1)

Andersen, Idon Bruno Hovedskou

Thema Danicum, 1982

6KN/8/4P2k/4p3/4PnP1/7N/3p1R2/2B5

#2

8 + 4

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Rf6#
    • 1...Sg2
      • 2.Rf6#
    • 1...Sd3
      • 2.Rf6#
    • 1...Sh5
      • 2.g5#
    • 1...Sxe6
      • 2.Rf6#
    • 1...Sg6
      • 2.Sf7#
  • Tries
    • 1.Ba3?
      • threat
        • 2.Bf8#
      • 1...Sxe6
        • 2.Rf6#
      • 1...Sh5
        • 2.g5#
      • 1...Sg6
        • 2.Sf7#
      • 1...Sxh3!
  • Keys
    • 1.Rxd2!
      • 1...Sxh3
        • 2.Rh2#
      • 1...Sxe6
        • 2.Rd6#
      • 1...Se2
        • 2.Rxe2#
      • 1...Sg2
        • 2.Rxg2#
      • 1...Sd3
        • 2.Rxd3#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Sh5
        • 2.g5#
      • 1...Sg6
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,P_SPINP(a)::R(B)
    • S(b);P_SPINP(a),SBLOCK::P(E)
    • S(b);OGATE,P_SPINP(a),XP(F)::R(B)
    • S(b);P_SPINP(a),SBLOCK::S(H)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • S(b);OGATE,XP(F)::R(B)
        • S(b);SBLOCK::P(E)
        • S(b);SBLOCK::S(H)
      • Refutation
        • S(b);XS(C)
  • Actual
    • R(B);XP(a)
    • Vars
      • S(b);OGATEB,XS(C)::B(A)+R(B)
      • S(b);OGATEB,XP(F)::B(A)+R(B)
      • S(b);OGATEB::B(A)+R(B),XS(b)
      • S(b);SBLOCK::P(E)
      • S(b);SBLOCK::S(H)
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