MESON Chess Problem Database

Problem Display
PID: 187305 (8/3p4/Kn5p/2NP3R/1P1kp1nN/3p4/BPpB4/7b w - - 0 1)

Ahues, Herbert Siegfried Oskar

harmonie-aktiv, 2013

8/3p4/Kn5p/2NP3R/1P1kp1nN/3p4/BPpB4/7b

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Bc3#
    • 1...Se5
      • 2.Sf5#
    • 1...Sc4
      • 2.Sb3#
    • 1...Sxd5
      • 2.Rxd5#
    • 1...e3
      • 2.Bc3#
    • 1...d6
      • 2.Se6#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Sb3#
      • 1...Se5
        • 2.Sf5#
      • 1...e3
        • 2.Bc3#
      • 1...c1S!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Sf5#
      • 1...Se3
        • 2.Be5#
      • 1...Sc4
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • S(f);SBLOCK::B(C)
    • S(f);SBLOCK::S(E)
    • S(g);SBLOCK::S(F)
    • S(g);OGATE,XP(G)::R1(H),XS(g)
    • P(e);SBLOCK::B(C)
    • P(i);N_GUARD::S(F)
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Threat
        • S(F)
      • Vars
        • S(f);SBLOCK::S(E)
        • P(e);SBLOCK::B(C)
      • Refutation
        • P(b);
  • Actual
    • B(C);
    • Threat
      • S(E)
    • Vars
      • S(f);N_GUARD,SBLOCK::B(C)
      • S(g);SBLOCK::S(F)
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