MESON Chess Problem Database

Problem Display
PID: 150930 (2bR4/r4pK1/p4P1N/1p1Pk3/1B2Np2/2P2B2/8/2n5 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Die Schwalbe, 2013

2bR4/r4pK1/p4P1N/1p1Pk3/1B2Np2/2P2B2/8/2n5

#2

9 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • threat
        • 2.Bd6#
      • 1...Rd7
        • 2.Sfg4#
      • 1...Bd7!
    • 1.Sg5?
      • threat
        • 2.Bd6#
      • 1...Bd7
        • 2.Sgxf7#
      • 1...Rd7!
    • 1.Sxf7+?
      • 1...Kf5
        • 2.Sd6#
      • 1...Rxf7+!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Bd6#
      • 1...Bd7
        • 2.Sxf7#
      • 1...Rd7
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • B(C)
      • Vars
        • R(f);S_CUTB(h)::S(D)
      • Refutation
        • B(h);
    • Try
      • S(D);
      • Threat
        • B(C)
      • Vars
        • B(h);S_CUTR(f)::S(D),XP(g)
      • Refutation
        • R(f);
    • Try
      • S(G);CHECK,P_SPINS(G),XP(g)
      • Vars
        • K(d);P-FLIGHT::S(D)
      • Refutation
        • R(f);CHECK,XS(G)
  • Actual
    • S(D);
    • Threat
      • B(C)
    • Vars
      • B(h);S_CUTR(f)::S(G),XP(g)
      • R(f);S_CUTB(h)::S(G)
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