MESON Chess Problem Database

Problem Display
PID: 146413 (7b/2K5/5k2/8/2Q5/8/2B5/2B5 w - - 0 1)

Kemp, Charles Edward

Manchester City News, 1920

7b/2K5/5k2/8/2Q5/8/2B5/2B5

#2

4 + 2

15044 Kemp Archive 2013
3713 Snap 2013
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Bb2#
  • Tries
    • 1.Kd6?
      • 1...Bg7
        • 2.Qf1#
        • 2.Qe6#
        • 2.Qf4#
      • 1...Kg7!
    • 1.Kd7?
      • 1...Ke5
        • 2.Bb2#
      • 1...Bg7
        • 2.Qe6#
        • 2.Qf4#
      • 1...Kg7!
    • 1.Qe6+?
      • 1...Kg7
        • 2.Bh6#
      • 1...Kxe6!
    • 1.Qf7+?
      • 1...Ke5
        • 2.Bb2#
      • 1...Kxf7!
  • Keys
    • 1.Bb3!
      • 1...Ke5
        • 2.Qf4#
      • 1...Kf5
        • 2.Qe6#
      • 1...Kg6
        • 2.Qf7#
      • 1...Ke7
        • 2.Qf7#
      • 1...Kg7
        • 2.Qf7#
      • 1...Bg7
        • 2.Qe6#

Anticipated by 120128(1904), 158163(1906-1907)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(A)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • B(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::QAB1(C)
      • K(a);S_FLIGHT::QAR1(C)
      • B(b);SBLOCK::QAR1(C)
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