MESON Chess Problem Database

Problem Display
PID: 18803 (8/8/3B1R2/1p6/3k4/5B2/2K5/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1958

8/8/3B1R2/1p6/3k4/5B2/2K5/8

#2

4 + 2

5454 Near Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Bc5#
    • 1...Kc4
      • 2.Rf4#
  • Tries
    • 1.Ba3?
      • 1...Ke3
        • 2.Bc5#
      • 1...Kc4
        • 2.Rf4#
      • 1...Ke5
        • 2.Bb2#
      • 1...b4!
    • 1.Rf5?
      • 1...Ke3
        • 2.Bc5#
      • 1...Kc4
        • 2.Rf4#
      • 1...b4!
    • 1.Rf7?
      • 1...Ke3
        • 2.Bc5#
      • 1...Kc4
        • 2.Rf4#
      • 1...b4!
    • 1.Rf8?
      • 1...Ke3
        • 2.Bc5#
      • 1...Kc4
        • 2.Rf4#
      • 1...b4!
  • Keys
    • 1.Bb4!
      • 1...Ke3
        • 2.Bc5#
      • 1...Kc4
        • 2.Rf4#
      • 1...Ke5
        • 2.Bc3#

Anticipated by 207138(1867), 175550(1900), 194220(1917)

This anticipates 94990(2003)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(C)
    • K(a);P-FLIGHT::R(D)
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);P-FLIGHT::R(D)
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