MESON Chess Problem Database

Problem Display
PID: 222377 (7K/5p2/1R6/4kn2/5N1P/B2P4/3P3N/8 w - - 0 1)

Benes, Jan

Le Monde Illustre, 1884

7K/5p2/1R6/4kn2/5N1P/B2P4/3P3N/8

#2

8 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sf3#
  • Tries
    • 1.Bd6+?
      • 1...Kd4
        • 2.Sf3#
        • 2.Rb4#
      • 1...Kf6
        • 2.Sg4#
      • 1...Sxd6!
    • 1.Rb5+?
      • 1...Kd4
        • 2.Sf3#
        • 2.Bb2#
        • 2.Rd5#
      • 1...Kf6
        • 2.Sg4#
      • 1...Kxf4!
  • Keys
    • 1.Rf6!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kxf6
        • 2.Sg4#
      • 1...Sxh4
        • 2.Bb2#
      • 1...Se3
        • 2.Bb2#
      • 1...Sg3
        • 2.Bb2#
      • 1...Sd4
        • 2.Sg4#
      • 1...Sd6
        • 2.Bb2#
      • 1...Sh6
        • 2.Bb2#
      • 1...Se7
        • 2.Bb2#
      • 1...Sg7
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(B)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • S(b);XB(C)
    • Try
      • R(G);CHECK
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
  • Actual
    • R(G);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);P_SPINS(b),S_FLIGHT,XS(E)::B(C)
      • K(a);S_FLIGHT,XR(G)::S(B)
      • S(b);N_GUARD,XP(F)::B(C)
      • S(b);N_GUARD::B(C)
      • S(b);SBLOCK::S(B)
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