MESON Chess Problem Database

Problem Display
PID: 24227 (3N4/5p2/3p4/4k3/7K/4P3/6Q1/8 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1993

3N4/5p2/3p4/4k3/7K/4P3/6Q1/8

#2

4 + 3

6113 Problemschach-Jahrbuch (1993) 1994
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Qg5#
  • Tries
    • 1.Qd5+?
      • 1...Kf6
        • 2.Qg5#
      • 1...Kxd5!
  • Keys
    • 1.Qg4!
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf6
        • 2.Qg5#
      • 1...d5
        • 2.Qf4#
      • 1...f5
        • 2.Qd4#
      • 1...f6
        • 2.Qe6#

FEATURES

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