MESON Chess Problem Database

Problem Display
PID: 20138 (5N1b/8/8/4n3/K7/6Q1/7p/7k w - - 0 1)

Cheron, Andre

L'Illustration, 1936

5N1b/8/8/4n3/K7/6Q1/7p/7k

#4

3 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Sg6!
      • threat
        • 2.Sf4
          • threat
            • 3.Qe1#
            • 3.Qg2#
        • 2.Sh4
          • threat
            • 3.Qe1#
            • 3.Qg2#
      • 1...Sxg6
        • 2.Qf2
          • threat
            • 3.Qf1#
          • 2...Bd4
            • 3.Qf1+
              • 3...Bg1
                • 4.Qf3#
      • 1...Sd3
        • 2.Sh4
          • threat
            • 3.Qg2#
          • 2...Sb2+
            • 3.Kb3
              • threat
                • 4.Qe1#
                • 4.Qg2#
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
          • 2...Sc5+
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
      • 1...Sc4
        • 2.Sf4
          • threat
            • 3.Qe1#
            • 3.Qg2#
          • 2...Sb2+
            • 3.Kb3
              • threat
                • 4.Qe1#
                • 4.Qg2#
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
          • 2...Sb6+
            • 3.Kb3
              • threat
                • 4.Qe1#
                • 4.Qg2#
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
          • 2...Se3
            • 3.Qe1+
              • 3...Sf1
                • 4.Qxf1#
            • 3.Qf3+
              • 3...Kg1
                • 4.Se2#
                • 4.Sh3#
              • 3...Sg2
                • 4.Qxg2#
                • 4.Qf1#
        • 2.Sh4
          • threat
            • 3.Qe1#
            • 3.Qg2#
          • 2...Sb2+
            • 3.Kb3
              • threat
                • 4.Qe1#
                • 4.Qg2#
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
          • 2...Sb6+
            • 3.Kb3
              • threat
                • 4.Qe1#
                • 4.Qg2#
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
          • 2...Se3
            • 3.Qe1+
              • 3...Sf1
                • 4.Qxf1#
      • 1...Sg4
        • 2.Sf4
          • threat
            • 3.Qe1#
            • 3.Qg2#
          • 2...Se3
            • 3.Qe1+
              • 3...Sf1
                • 4.Qxf1#
            • 3.Qf3+
              • 3...Kg1
                • 4.Se2#
                • 4.Sh3#
              • 3...Sg2
                • 4.Qxg2#
                • 4.Qf1#
        • 2.Sh4
          • threat
            • 3.Qe1#
            • 3.Qg2#
          • 2...Se3
            • 3.Qe1+
              • 3...Sf1
                • 4.Qxf1#
      • 1...Sd7
        • 2.Sf4
          • threat
            • 3.Qe1#
            • 3.Qg2#
          • 2...Sc5+
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
          • 2...Sb6+
            • 3.Kb3
              • threat
                • 4.Qe1#
                • 4.Qg2#
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
        • 2.Sh4
          • threat
            • 3.Qe1#
            • 3.Qg2#
          • 2...Sc5+
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#
          • 2...Sb6+
            • 3.Kb3
              • threat
                • 4.Qe1#
                • 4.Qg2#
            • 3.Kb5
              • threat
                • 4.Qe1#
                • 4.Qg2#

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