MESON Chess Problem Database

Problem Display
PID: 203213 (6N1/5p2/4p3/4k2K/N7/8/8/2Q5 w - - 0 1)

Westarp, Anton

Beckumer Zeitung, 1924

6N1/5p2/4p3/4k2K/N7/8/8/2Q5

#2

4 + 3

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qf4+?
      • 1...Kd5
        • 2.Se7#
      • 1...Kxf4!
  • Keys
    • 1.Sf6!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kxf6
        • 2.Qg5#

Anticipated by 222935(1886)

This anticipates 50335(2003)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XS(D)::QAB1(A)
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