MESON Chess Problem Database

Problem Display
PID: 46644 (8/5Q2/3p4/4k3/5p2/3K1P2/6P1/8 w - - 0 1)

Ignatov, VN

Severnaya pravda, 1988

8/5Q2/3p4/4k3/5p2/3K1P2/6P1/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2009
136 Problem Observer 2018

SOLUTION

  • SOUND
  • Tries
    • 1.g3?
      • threat
        • 2.gxf4#
      • 1...fxg3
        • 2.f4#
      • 1...d5!
  • Keys
    • 1.g4!
      • threat
        • 2.Qf5#
      • 1...fxg4 ep
        • 2.f4#
      • 1...d5
        • 2.Qe7#

Anticipated by 77620(1934)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(A);
      • Threat
        • P(A),XP(a)
      • Vars
        • P(a);OGATE,XP(A)::P(C)
      • Refutation
        • P(c);
  • Actual
    • P(A);
    • Threat
      • QAR1(D)
    • Vars
      • P(a);EP,OGATE,XP(A)::P(C)
      • P(c);SBLOCK::QAR2(D)
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