MESON Chess Problem Database

Problem Display
PID: 141256 (2bn4/r4p1B/5N1R/4k3/p2N3K/B2R1p2/7n/8 w - - 0 1)

Klinke, Arthur

1st Prize, Dresdner Arbeiter Schachklub, 1925

2bn4/r4p1B/5N1R/4k3/p2N3K/B2R1p2/7n/8

#2

7 + 8

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Bd6#
  • Tries
    • 1.Sxf3+?
      • 1...Kf4
        • 2.Sd5#
        • 2.Sh5#
        • 2.Bc1#
        • 2.Bd6#
      • 1...Ke6
        • 2.Re3#
      • 1...Sxf3+!
    • 1.Sc6+?
      • 1...Kf4
        • 2.Sd5#
        • 2.Sh5#
        • 2.Bc1#
        • 2.Bd6#
      • 1...Ke6
        • 2.Re3#
        • 2.Rd6#
      • 1...Sxc6!
    • 1.Re3+?
      • 1...Kf4
        • 2.Sd5#
        • 2.Re4#
      • 1...Kxd4!
    • 1.Rh5+?
      • 1...Kf4
        • 2.Sd5#
        • 2.Bc1#
        • 2.Bd6#
      • 1...Bf5
        • 2.Rxf5#
      • 1...Kxf6!
  • Keys
    • 1.Se6!
      • threat
        • 2.Re3#
      • 1...Kxe6
        • 2.Re3#
      • 1...Bxe6
        • 2.Bd6#
      • 1...Sxe6
        • 2.Bd6#
      • 1...fxe6
        • 2.Bd6#
      • 1...Bb7
        • 2.Sd7#
      • 1...Sf1
        • 2.Sg4#
      • 1...Sg4
        • 2.Sxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(d);S_FLIGHT::B(A)
  • Tries
    • Try
      • S(C);CHECK,XP(b)
      • Vars
        • K(d);P-FLIGHT::R(B)
      • Refutation
        • S(a);CHECK,XS(C)
    • Try
      • S(C);CHECK
      • Refutation
        • S(h);XS(C)
    • Try
      • R(B);CHECK
      • Refutation
        • K(d);S_FLIGHT,XS(C)
    • Try
      • R(F);CHECK
      • Vars
        • B(g);N_GUARD,P_SPINB(g)::R1(F),XB(g)
      • Refutation
        • K(d);S_FLIGHT,XS(E)
  • Actual
    • S(C);
    • Threat
      • R(B)
    • Vars
      • K(d);P-FLIGHT,XS(C)::R(B)
      • B(g);SBLOCK,XS(C)::B(A)
      • S(h);SBLOCK,XS(C)::B(A)
      • P(f);SBLOCK,XS(C)::B(A)
      • B(g);N_GUARD,S_CUTR(e)::S(E)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
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