MESON Chess Problem Database

Problem Display
PID: 188033 (3R3B/KN5B/1p2p1r1/3P3N/4k1r1/2P2Rp1/n2p2P1/8 w - - 0 1)

Ahues, Herbert Siegfried Oskar

harmonie-aktiv, 2014

3R3B/KN5B/1p2p1r1/3P3N/4k1r1/2P2Rp1/n2p2P1/8

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Sxg3#
    • 1...Rh4
      • 2.Sxg3#
      • 2.Bxg6#
    • 1...b5
      • 2.Sc5#
    • 1...exd5
      • 2.Sd6#
      • 2.Re8#
    • 1...e5
      • 2.Sf6#
  • Tries
    • 1.Bd4?
      • threat
        • 2.Sf6#
      • 1...Rf4
        • 2.Sxg3#
      • 1...Sxc3!
    • 1.Re3+?
      • 1...Kf5
        • 2.Re5#
      • 1...Kxe3!
  • Keys
    • 1.Kxb6!
      • threat
        • 2.Sc5#
      • 1...exd5+
        • 2.Sd6#
      • 1...e5+
        • 2.Sf6#
      • 1...Rf4
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(e);N_GUARD::S(E),XP(c)
    • P(f);N_GUARD::S(G)
    • P(g);SBLOCK::S(E)
  • Tries
    • Try
      • B(J);
      • Threat
        • S(E)
      • Vars
        • R(e);N_GUARD::S(E),XP(c)
      • Refutation
        • S(a);XP(B)
    • Try
      • R(C);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::R1(C)
      • Refutation
        • K(d);N_SPINR(h),P-FLIGHT,XR(C)
  • Actual
    • K(F);S_FLIGHT,XP(f)
    • Threat
      • S(G)
    • Vars
      • P(g);CHECK,SBLOCK,XP(D)::S(G)
      • P(g);CHECK,SBLOCK::S(E)
      • R(e);N_GUARD::S(E),XP(c)
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