MESON Chess Problem Database

Problem Display
PID: 65976 (8/4R1p1/R3n3/4k3/3pP3/3P1p2/3K1B2/8 w - - 0 1)

Liberali, Giuseppe

The Chess Monthly (Hoffer), 1881

8/4R1p1/R3n3/4k3/3pP3/3P1p2/3K1B2/8

#2

6 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Be3?
      • threat
        • 2.Raxe6#
        • 2.Rexe6#
      • 1...Kf6
        • 2.Raxe6#
      • 1...dxe3+!
  • Keys
    • 1.Rxg7!
      • 1...Kf4
        • 2.Bg3#
      • 1...Kf6
        • 2.Bxd4#
      • 1...Sxg7
        • 2.Bg3#
      • 1...Sf4
        • 2.Rg5#
      • 1...Sc5
        • 2.Bg3#
      • 1...Sg5
        • 2.Bg3#
      • 1...Sc7
        • 2.Bg3#
      • 1...Sd8
        • 2.Bg3#
      • 1...Sf8
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);S_FLIGHT::R1(E),XS(d)
      • Refutation
        • P(b);CHECK,XB(B)
  • Actual
    • R(F);N_PINS(d),XP(e)
    • Vars
      • K(c);S_FLIGHT::B(B)
      • K(c);P_SPINS(d),S_FLIGHT::B(B),XP(b)
      • S(d);N_GUARD,XR(F)::B(B)
      • S(d);N_GUARD,SBLOCK::R(F)
      • S(d);N_GUARD::B(B)
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