MESON Chess Problem Database

Problem Display
PID: 70688 (qrRNkb2/PpQ1p1pp/1pp1R3/2PpKpP1/6N1/7B/1P1PPP2/8 w - f5 0 1)

Oudot, Jean

La Nation Belge, 1956

qrRNkb2/PpQ1p1pp/1pp1R3/2PpKpP1/6N1/7B/1P1PPP2/8

#2

14 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Sxb7+?
      • 1...Rxc8
        • 2.Sd6#
      • 1...Kf7!
    • 1.Sf7+?
      • 1...Rxc8
        • 2.Sd6#
      • 1...Kxf7!
  • Keys
    • 1.gxf5 ep!
      • threat
        • 2.f7#
      • 1...gxf6+
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(g);N_GUARD::S(F)
  • Tries
    • Try
      • S(N);CHECK,XP(e)
      • Vars
        • R(j);XR(M)::S(N)
      • Refutation
        • K(k);S_FLIGHT
    • Try
      • S(N);CHECK
      • Vars
        • R(j);XR(M)::S(N)
      • Refutation
        • K(k);S_FLIGHT,XS(N)
  • Actual
    • P(I);EP,XP(b)
    • Threat
      • P(I)
    • Vars
      • P(g);CHECK,XP(I)::S(F),XP(g)
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