MESON Chess Problem Database

Problem Display
PID: 70689 (6K1/1p3pnR/4pp2/1r4Np/6kB/1q1Bn1P1/8/4R1N1 w - - 0 1)

Michel, Francois

Oudot, Jean

diagrammes, 1975

6K1/1p3pnR/4pp2/1r4Np/6kB/1q1Bn1P1/8/4R1N1

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sef5
      • 2.Re4#
    • 1...Sgf5
      • 2.Be2#
    • 1...f5
      • 2.Be2#
  • Keys
    • 1.Sxf7!
      • threat
        • 2.Sh6#
      • 1...Sef5
        • 2.Re4#
      • 1...Sgf5
        • 2.Be2#
      • 1...e5
        • 2.Rxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(b);OGATE,SBLOCK::R(A)
    • S(j);SBLOCK::B(C)
    • P(g);SBLOCK::B(C)
  • Actual
    • S(F);XP(i)
    • Threat
      • S(F)
    • Vars
      • S(b);OGATE,SBLOCK::R(A)
      • S(j);SBLOCK::B(C)
      • P(f);P_PINS(F),S_CUTR(d)::R(G),XS(j)
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