MESON Chess Problem Database

Problem Display
PID: 112418 (7k/8/6Qn/6K1/8/8/8/8 w - - 0 1)

Rumyantsev, Sergei Yuryewitch

Yunyi Leninets, 1974

7k/8/6Qn/6K1/8/8/8/8

#3

2 + 2

6490 yacpdb 2009
3713 Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Kf6
        • 2...Sg7
          • 3.Qxg7#
        • 2...Se3
          • 3.Qg7#
        • 2...Sg3
          • 3.Qg7#
        • 2...Sd4
          • 3.Qg7#
        • 2...Sh4
          • 3.Qg7#
        • 2...Sd6
          • 3.Qg7#
        • 2...Sh6
          • 3.Qg7#
        • 2...Se7
          • 3.Qg7#
    • 1...Sf7+
      • 2.Kf6
        • threat
          • 3.Qg7#
  • Tries
    • 1.Qf6+?
      • 1...Kg8
        • 2.Kg6
          • threat
            • 3.Qg7#
            • 3.Qd8#
      • 1...Kh7!
  • Keys
    • 1.Kf6!
      • threat
        • 2.Qg7#
      • 1...Sg4+
        • 2.Qxg4
          • 2...Kh7
            • 3.Qg7#
      • 1...Sg8+
        • 2.Kf7
          • threat
            • 3.Qg7#
            • 3.Qxg8#
          • 2...Sh6+
            • 3.Qxh6#
      • 1...Sf5
        • 2.Qf7
          • 2...Sg7
            • 3.Qxg7#
          • 2...Se3
            • 3.Qg7#
          • 2...Sg3
            • 3.Qg7#
          • 2...Sd4
            • 3.Qg7#
          • 2...Sh4
            • 3.Qg7#
          • 2...Sd6
            • 3.Qg7#
          • 2...Sh6
            • 3.Qg7#
          • 2...Se7
            • 3.Qg7#

This anticipates 248716(1978), 285410(2000)

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