MESON Chess Problem Database

Problem Display
PID: 176757 (8/3K4/3P4/5k1B/3Q4/8/1n3P2/8 w - - 0 1)

Petkov, Petko Andonov

Schach-Echo, 1959

8/3K4/3P4/5k1B/3Q4/8/1n3P2/8

#3

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.f4
        • threat
          • 3.Qe5#
  • Tries
    • 1.Qg4+?
      • 1...Kf6
        • 2.f4
          • threat
            • 3.Qg5#
            • 3.Qg6#
      • 1...Ke5!
    • 1.Qd5+?
      • 1...Kf4
        • 2.Ke6
          • threat
            • 3.Qe5#
            • 3.Qf5#
      • 1...Kf6!
    • 1.f4?
      • threat
        • 2.Qe5#
      • 1...Sc4
        • 2.Ke7
          • 2...Sxd6
            • 3.Qe5#
          • 2...Sb2
            • 3.Qe5#
          • 2...Sd2
            • 3.Qe5#
          • 2...Sa3
            • 3.Qe5#
          • 2...Se3
            • 3.Qe5#
          • 2...Sa5
            • 3.Qe5#
          • 2...Se5
            • 3.Qxe5#
          • 2...Sb6
            • 3.Qe5#
        • 2.Qxc4
          • 2...Kf6
            • 3.Qf7#
      • 1...Sd3!
  • Keys
    • 1.Ke7!
      • 1...Kg5
        • 2.Qg4+
          • 2...Kh6
            • 3.Qg6#
      • 1...Sd1
        • 2.f4
          • threat
            • 3.Qe5#
      • 1...Sd3
        • 2.Qf6+
          • 2...Ke4
            • 3.Bf3#
      • 1...Sa4
        • 2.f4
          • threat
            • 3.Qe5#
      • 1...Sc4
        • 2.f4
          • 2...Sxd6
            • 3.Qe5#
          • 2...Sb2
            • 3.Qe5#
          • 2...Sd2
            • 3.Qe5#
          • 2...Sa3
            • 3.Qe5#
          • 2...Se3
            • 3.Qe5#
          • 2...Sa5
            • 3.Qe5#
          • 2...Se5
            • 3.Qxe5#
          • 2...Sb6
            • 3.Qe5#

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