MESON Chess Problem Database

Problem Display
PID: 133729 (1B6/8/1p5K/6pn/3pB1kp/R6N/3N1p2/4b2R w - - 0 1)

Ahues, Herbert Siegfried Oskar

Comm., Die Schwalbe, 2009

1B6/8/1p5K/6pn/3pB1kp/R6N/3N1p2/4b2R

#2

7 + 8

23 Die Schwalbe 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd2
      • 2.Sxf2#
  • Tries
    • 1.Sf1?
      • threat
        • 2.Sh2#
      • 1...Bc3
        • 2.Sxf2#
      • 1...d3
        • 2.Se3#
      • 1...Sg3!
    • 1.Sf3?
      • threat
        • 2.Sh2#
        • 2.Se5#
      • 1...f1S
        • 2.Se5#
      • 1...Bc3
        • 2.Sxf2#
      • 1...Sg3
        • 2.Se5#
      • 1...d3!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Se5#
      • 1...Bc3
        • 2.Sxf2#
      • 1...d3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD,XS(B)::S(D),XP(b)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • B(a);N_GUARD::S(D),XP(b)
        • P(c);N_GUARD::S(B)
      • Refutation
        • S(g);
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::S(B)
        • B(a);N_GUARD::S(D),XP(b)
        • S(g);::S(B)
      • Refutation
        • P(c);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • B(a);N_GUARD::S(D),XP(b)
      • P(c);N_GUARD::S(B)
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