MESON Chess Problem Database

Problem Display
PID: 12280 (1B2K3/N3p3/2R3n1/1p1k4/1P1p4/3B4/8/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1977

1B2K3/N3p3/2R3n1/1p1k4/1P1p4/3B4/8/8

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Rd6#
    • 1...e6
      • 2.Rc5#
  • Tries
    • 1.Re6?
      • 1...Sf4
        • 2.Re5#
      • 1...Sh4
        • 2.Re5#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sf8
        • 2.Re5#
      • 1...Sh8
        • 2.Re5#
      • 1...Kxe6!
    • 1.Rxg6?
      • 1...e5
        • 2.Rd6#
      • 1...e6!
  • Keys
    • 1.Sc8!
      • 1...Kxc6
        • 2.Be4#
      • 1...Sf4
        • 2.Sxe7#
      • 1...Sh4
        • 2.Sxe7#
      • 1...Se5
        • 2.Sxe7#
      • 1...Sf8
        • 2.Sxe7#
      • 1...Sh8
        • 2.Sxe7#
      • 1...e5
        • 2.Rd6#
      • 1...e6
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD,SBLOCK::R1(C)
    • P(e);SBLOCK::R1(C)
  • Tries
    • Try
      • R(C);
      • Vars
        • S(d);N_GUARD::R1(C)
        • S(d);N_GUARD::R1(C),XS(d)
      • Refutation
        • K(c);S_FLIGHT,XR(C)
    • Try
      • R(C);XS(d)
      • Vars
        • P(e);N_GUARD,SBLOCK::R1(C)
      • Refutation
        • P(e);
  • Actual
    • S(D);
    • Vars
      • K(c);S_FLIGHT,XR(C)::B(A)
      • S(d);N_GUARD::S(D),XP(e)
      • P(e);N_GUARD,SBLOCK::R1(C)
      • P(e);SBLOCK::R1(C)
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