MESON Chess Problem Database

Problem Display
PID: 254672 (8/8/3n4/kP6/NpR5/NPRP4/2K5/4B3 w - - 0 1)

Subotic, Miroslav

idee & form, 2018

8/8/3n4/kP6/NpR5/NPRP4/2K5/4B3

#2

9 + 3

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...bxc3
      • 2.Bxc3#
  • Tries
    • 1.Rc5?
      • 1...bxa3
        • 2.R3c4#
      • 1...bxc3
        • 2.Bxc3#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Se4
        • 2.Sc4#
      • 1...Sf5
        • 2.Sc4#
      • 1...Sb7
        • 2.Sc4#
      • 1...Sf7
        • 2.Sc4#
      • 1...Sc8
        • 2.Sc4#
      • 1...Se8
        • 2.Sc4#
      • 1...Sxb5!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Ra6#
      • 1...Sxb5
        • 2.Sc4#
      • 1...bxa3
        • 2.R3c5#
      • 1...bxc3
        • 2.Bxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATE,P_SPINP(a),XR(E)::B(A),XP(a)
  • Tries
    • Try
      • R(H);
      • Vars
        • P(a);OGATEB,XS(C)::B(A)+R(E)
        • P(a);OGATE,P_SPINP(a),XR(E)::B(A),XP(a)
        • S(c);N_GUARD::S(C),XS(c)
        • S(c);N_GUARD::S(C)
      • Refutation
        • S(c);P_SPINS(c),XP(I)
  • Actual
    • R(H);
    • Threat
      • R1(H)
    • Vars
      • S(c);N_GUARD,SBLOCK,XP(I)::S(C)
      • P(a);OGATEB,XS(C)::B(A)+R(E)
      • P(a);OGATE,P_SPINP(a),XR(E)::B(A),XP(a)
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