MESON Chess Problem Database

Problem Display
PID: 12071 (8/3N4/2pp2B1/p1p1P3/bpk5/1p2K3/1P6/3R4 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1974

8/3N4/2pp2B1/p1p1P3/bpk5/1p2K3/1P6/3R4

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Sb6#
    • 1...d5
      • 2.Bd3#
  • Tries
    • 1.Rc1+?
      • 1...Kd5
        • 2.Bf7#
      • 1...Kb5!
    • 1.exd6?
      • 1...Bb5
        • 2.Se5#
        • 2.Sb6#
        • 2.Bf7#
      • 1...Kb5!
    • 1.e6?
      • 1...Bb5
        • 2.Sb6#
      • 1...d5
        • 2.Bd3#
      • 1...Kb5!
  • Keys
    • 1.Rd5!
      • 1...Kb5
        • 2.Bd3#
      • 1...Kxd5
        • 2.Bf7#
      • 1...cxd5
        • 2.Bd3#
      • 1...dxe5
        • 2.Rxc5#
      • 1...Bb5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(b);SBLOCK::S(F)
    • P(h);SBLOCK::B(E)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(d);S_FLIGHT::B(E)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • P(D);XP(h)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • B(b);SBLOCK::S(F)
        • P(h);SBLOCK::B(E)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(d);P_SPINP(f),S_FLIGHT::B(E)
      • K(d);OGATEB,S_FLIGHT,XR(A)::B(E)
      • P(g);SBLOCK,XR(A)::B(E)
      • P(h);N_GUARD,XP(D)::R1(A),XP(f)
      • B(b);SBLOCK::S(F)
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