MESON Chess Problem Database

Problem Display
PID: 107868 (8/6p1/R5P1/2N1Pn1R/2PkN3/1P6/3B4/1K6 w - - 0 1)

Campo, Achille

Fanfulla da Lodi, 1886-1888

8/6p1/R5P1/2N1Pn1R/2PkN3/1P6/3B4/1K6

#2

10 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Bc3#
    • 1...Sg3
      • 2.Rd6#
    • 1...Sh4
      • 2.Rd6#
    • 1...Sd6
      • 2.Rxd6#
    • 1...Sh6
      • 2.Rd6#
  • Tries
    • 1.Rd6+?
      • 1...Kxe5
        • 2.Rd5#
      • 1...Sxd6!
    • 1.Re6?
      • 1...Se3
        • 2.Bc3#
      • 1...Sg3
        • 2.Rd6#
      • 1...Sh4
        • 2.Rd6#
      • 1...Sd6
        • 2.Rxd6#
      • 1...Sh6
        • 2.Rd6#
      • 1...Se7!
  • Keys
    • 1.Sg5!
      • 1...Kxc5
        • 2.Se6#
      • 1...Kxe5
        • 2.Sf3#
      • 1...Se7
        • 2.Sge6#
      • 1...Se3
        • 2.Sge6#
      • 1...Sg3
        • 2.Sge6#
      • 1...Sh4
        • 2.Sge6#
      • 1...Sd6
        • 2.Sge6#
      • 1...Sh6
        • 2.Sge6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 5
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::B(B)
    • S(b);N_GUARD::R(I)
    • S(b);N_GUARD::R(I),XS(b)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT,XP(G)::R1(I)
      • Refutation
        • S(b);XR(I)
    • Try
      • R(I);
      • Vars
        • S(b);SBLOCK::B(B)
        • S(b);N_GUARD::R(I)
        • S(b);N_GUARD::R(I),XS(b)
      • Refutation
        • S(b);
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT,XS(F)::S(E)
      • K(a);S_FLIGHT,XP(G)::S(E)
      • S(b);::S(E)
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