MESON Chess Problem Database

Problem Display
PID: 191378 (7Q/1p2P3/1Pp5/2Pp4/1k1Pp3/4P3/1NP5/2K2b2 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Kubbel Collection, 1914

7Q/1p2P3/1Pp5/2Pp4/1k1Pp3/4P3/1NP5/2K2b2

#4

9 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qe1+
          • 2...Kb5
            • 3.e8S
              • threat
                • 4.Sc7#
              • 3...Ka6
                • 4.Sc7#
      • 1...Ka3
        • 2.Qe1
          • threat
            • 3.Qa5#
          • 2...Bb5
            • 3.Qa5+
              • 3...Ba4
                • 4.Qxa4#
      • 1...Ka5
        • 2.Qe1+
          • 2...Kb5
            • 3.e8S
              • threat
                • 4.Sc7#
              • 3...Ka6
                • 4.Sc7#
          • 2...Ka6
            • 3.e8S
              • threat
                • 4.Sc7#
              • 3...Kb5
                • 4.Sc7#
        • 2.e8S
          • threat
            • 3.Qe1+
              • 3...Kb5
                • 4.Sc7#
              • 3...Ka6
                • 4.Sc7#
          • 2...Kb4
            • 3.Qe1+
              • 3...Ka3
                • 4.Qa5#
              • 3...Kb5
                • 4.Sc7#
          • 2...Kb5
            • 3.Qe1
              • threat
                • 4.Sc7#
              • 3...Ka6
                • 4.Sc7#
          • 2...Ka6
            • 3.Sc7+
              • 3...Ka5
                • 4.Qe1#
            • 3.Qe1
              • threat
                • 4.Sc7#
              • 3...Kb5
                • 4.Sc7#
          • 2...Bb5
            • 3.Qe1+
              • 3...Ka6
                • 4.Sc7#
          • 2...Ba6
            • 3.Qe1+
              • 3...Kb5
                • 4.Sd6#
                • 4.Sc7#
      • 1...Kb5
        • 2.e8S
          • threat
            • 3.Qe1
              • threat
                • 4.Sc7#
              • 3...Ka6
                • 4.Sc7#
          • 2...Kb4
            • 3.Qe1+
              • 3...Ka3
                • 4.Qa5#
              • 3...Kb5
                • 4.Sc7#
          • 2...Ka5
            • 3.Qe1+
              • 3...Kb5
                • 4.Sc7#
              • 3...Ka6
                • 4.Sc7#
          • 2...Ka6
            • 3.Sc7+
              • 3...Ka5
                • 4.Qe1#
            • 3.Qe1
              • threat
                • 4.Sc7#
              • 3...Kb5
                • 4.Sc7#
        • 2.Qe1
          • threat
            • 3.e8S
              • threat
                • 4.Sc7#
              • 3...Ka6
                • 4.Sc7#
          • 2...Ka6
            • 3.e8S
              • threat
                • 4.Sc7#
              • 3...Kb5
                • 4.Sc7#
      • 1...Bb5
        • 2.Qe1+
          • 2...Ka3
            • 3.Qa5+
              • 3...Ba4
                • 4.Qxa4#
      • 1...Ba6
        • 2.Qe1+
          • 2...Kb5
            • 3.c3
              • 3...Ka5
                • 4.c4#

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