MESON Chess Problem Database

Problem Display
PID: 140913 (2R2B2/8/4k2P/6K1/4B3/8/8/8 w - - 0 1)

Albisoru, Constantin

Scacco!, 1971

2R2B2/8/4k2P/6K1/4B3/8/8/8

#2

5 + 1

15148 Sadier Collection 2011
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd7
      • 2.Bf5#
    • 1...Kf7
      • 2.Bd5#
  • Tries
    • 1.Kg6?
      • 1...Kd7
        • 2.Bf5#
      • 1...Ke5!
    • 1.Bg2?
      • 1...Kd7
        • 2.Bh3#
      • 1...Kf7
        • 2.Bd5#
      • 1...Ke5!
    • 1.Bf3?
      • 1...Kd7
        • 2.Bg4#
      • 1...Kf7
        • 2.Bd5#
      • 1...Ke5!
    • 1.Bc6?
      • 1...Kf7
        • 2.Bd5#
      • 1...Ke5!
    • 1.Ba3?
      • 1...Kd7
        • 2.Bf5#
      • 1...Kf7
        • 2.Bd5#
      • 1...Ke5!
    • 1.Bb4?
      • 1...Kd7
        • 2.Bf5#
      • 1...Kf7
        • 2.Bd5#
      • 1...Ke5!
    • 1.Rd8?
      • 1...Kf7
        • 2.Bd5#
      • 1...Ke5!
    • 1.h7?
      • 1...Kd7
        • 2.Bf5#
      • 1...Kf7
        • 2.Bd5#
      • 1...Ke5!
  • Keys
    • 1.Bc5!
      • 1...Ke5
        • 2.Re8#
      • 1...Kd7
        • 2.Bf5#
      • 1...Kf7
        • 2.Bd5#

Anticipated by 224222(1888), 195072(1918), 176162(1955)

This anticipates 121220(2004)

FEATURES

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