MESON Chess Problem Database

Problem Display
PID: 66974 (2K5/8/8/1kP4R/8/p1B5/P1P1R1B1/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Comm., Praca, 1996

2K5/8/8/1kP4R/8/p1B5/P1P1R1B1/8

#2

8 + 2

5417 FIDE Album (1995-1997) 2004
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Bc6#
  • Tries
    • 1.Kb7?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kc4!
    • 1.Bb7?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kc4!
    • 1.Re3?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kc4
        • 2.Bf1#
      • 1...Ka6!
    • 1.Re4?
      • 1...Kc6
        • 2.Rb4#
      • 1...Ka6!
    • 1.Re6?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kc4!
    • 1.Re7?
      • 1...Ka4
        • 2.Bc6#
      • 1...Ka6
        • 2.Bf1#
      • 1...Kc4!
  • Keys
    • 1.Bf1!
      • 1...Ka4
        • 2.Re4#
      • 1...Kc4
        • 2.Re3#
      • 1...Ka6
        • 2.Re7#
      • 1...Kc6
        • 2.Re6#

Anticipated by 47459(1969)

This anticipates 163117(2015)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(D)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(b);S_FLIGHT::B(D)+R(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(b);S_FLIGHT::R(C)
      • K(b);S_FLIGHT::B(D)+R(C)
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