MESON Chess Problem Database

Problem Display
PID: 68276 (3N4/2p1p3/3bB2K/2p1k3/4Np2/5P2/3P2b1/3n2Q1 w - - 0 1)

Braune, Robert

Bohemia, 1908

3N4/2p1p3/3bB2K/2p1k3/4Np2/5P2/3P2b1/3n2Q1

#2

7 + 8

5821 Robert Braune - Apotre de la Symetrie 1914

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qg7#
    • 1...Bh1
      • 2.Qg7#
    • 1...Bh3
      • 2.Qg7#
    • 1...Sf2
      • 2.Qa1#
    • 1...Se3
      • 2.Qa1#
  • Tries
    • 1.Sxc5?
      • threat
        • 2.Sd7#
      • 1...Kf6
        • 2.Sd7#
      • 1...Bxf3
        • 2.Qg7#
      • 1...Sf2
        • 2.Qa1#
      • 1...Se3
        • 2.Qa1#
      • 1...Bxc5!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Sg4#
      • 1...Kd4
        • 2.Sc6#
      • 1...Kf6
        • 2.Sg4#
      • 1...Bxf3
        • 2.Qg7#
      • 1...Sxf2
        • 2.Qa1#
      • 1...Bh3
        • 2.Qg7#
      • 1...Se3
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(b);OGATE::QAB(A)
    • S(a);OGATE::QAB(A)
  • Tries
    • Try
      • S(D);XP(d)
      • Threat
        • S(D)
      • Vars
        • K(e);S_FLIGHT::S(D)
        • B(b);OGATE,XP(C)::QAB(A)
        • S(a);OGATE::QAB(A)
      • Refutation
        • B(f);XS(D)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(e);S_FLIGHT::S(G)
      • K(e);S_FLIGHT::S(D)
      • B(b);OGATE,XP(C)::QAB(A)
      • S(a);OGATE,XS(D)::QAB(A)
      • B(b);OGATE::QAB(A)
      • S(a);OGATE::QAB(A)
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