MESON Chess Problem Database

Problem Display
PID: 15816 (2RnQ2B/5p1n/BK1p1r2/3N3R/2NkP3/3ppP2/b7/8 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Die Schwalbe, 1988

2RnQ2B/5p1n/BK1p1r2/3N3R/2NkP3/3ppP2/b7/8

#2

10 + 9

3297 FIDE Album (1986-1988) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc4
      • 2.Rxc4#
    • 1...Sg5
      • 2.Bxf6#
    • 1...Sf8
      • 2.Bxf6#
  • Tries
    • 1.Sa3?
      • threat
        • 2.Sb5#
      • 1...Bc4
        • 2.Rxc4#
      • 1...d2
        • 2.Sc2#
      • 1...Sc6!
  • Keys
    • 1.Sxd6!
      • threat
        • 2.Qe5#
      • 1...Sc6
        • 2.Sf5#
      • 1...Sg5
        • 2.Bxf6#
      • 1...Se6
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(a);OGATE,XS(B)::R1(H),XB(a)
    • S(h);N_GUARD::B(J),XR(f)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • B(a);N_GUARD::R1(H),XB(a)
        • P(b);N_GUARD::S(B)
      • Refutation
        • S(i);
  • Actual
    • S(B);P_SPINS(B),XP(e)
    • Threat
      • QAB1(I)
    • Vars
      • S(i);N_PINS(B)::S(B)
      • S(h);N_GUARD::B(J),XR(f)
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