MESON Chess Problem Database

Problem Display
PID: 56380 (8/1p4p1/8/8/5P2/kPpN2Q1/P4p1b/K4b2 w - - 0 1)

Brogi, Giuseppe

Il Due Mosse, 1962

8/1p4p1/8/8/5P2/kPpN2Q1/P4p1b/K4b2

#2

6 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5?
      • threat
        • 2.Qe7#
        • 2.Qa5#
        • 2.Qc5#
      • 1...Bxf4
        • 2.Qa5#
        • 2.Qc5#
      • 1...b6
        • 2.Qe7#
      • 1...b5!
    • 1.Qg6?
      • threat
        • 2.Qd6#
      • 1...b5
        • 2.Qa6#
      • 1...Bxf4!
    • 1.Qxg7?
      • threat
        • 2.Qf8#
        • 2.Qe7#
      • 1...b5
        • 2.Qa7#
      • 1...Bxf4!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qc1#
        • 2.Qc5#
        • 2.Qa7#
        • 2.Qe7#
      • 1...Bxd3
        • 2.Qc5#
        • 2.Qe7#
      • 1...Bxf4
        • 2.Qc5#
        • 2.Qa7#
      • 1...b5
        • 2.Qc1#
        • 2.Qa7#
      • 1...b6
        • 2.Qc1#
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(3)
      • Vars
        • P(f);::QAB(E)
      • Refutation
        • P(f);
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Vars
        • P(f);N_GUARD::QAR(E)
      • Refutation
        • B(c);XP(F)
    • Try
      • Q(E);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • P(f);OGATE::QAR(E)
      • Refutation
        • B(c);XP(F)
  • Actual
    • Q(E);
    • Threat
      • DUALS(4)
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Developed and maintained by Brian Stephenson.
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