Problem Display
PID: 205139 (8/7p/2KPQ2P/8/3k4/3p1P2/P5N1/8 w - - 0 1)

Niemeijer, Meindert

Western Morning News, 1921

(First published on Sat Feb 5 1921)

8/7p/2KPQ2P/8/3k4/3p1P2/P5N1/8

#4

7 + 3


15239 Valois Notebooks 2020

SOLUTION


  • COOKED
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qb2+
          • 2...Kc4
            • 3.Se3#
      • 1...Ke5
        • 2.Qd5+
          • 2...Kf6
            • 3.Sh4
              • 3...d2
                • 4.Qf5#
      • 1...d2
        • 2.Qe3+
          • 2...Kc4
            • 3.Qc5+
              • 3...Kd3
                • 4.Sf4#
    • 1.Qe1!
      • threat
        • 2.Qa5
          • threat
            • 3.Qc5#
          • 2...d2
            • 3.Qc5+
              • 3...Kd3
                • 4.Sf4#
        • 2.f4
          • threat
            • 3.Qb4#
          • 2...Kc4
            • 3.Qd2
              • 3...Kd4
                • 4.Qb4#
          • 2...d2
            • 3.Qxd2+
              • 3...Kc4
                • 4.Se3#
              • 3...Ke4
                • 4.Qd5#
      • 1...Kc4
        • 2.Se3+
          • 2...Kd4
            • 3.Sd1
              • threat
                • 4.Qc3#
                • 4.Qe4#
              • 3...Kc4
                • 4.Qc3#
                • 4.Qh4#
                • 4.Qe4#
            • 3.Sd5
              • threat
                • 4.Qc3#
                • 4.Qe4#
              • 3...Kc4
                • 4.Qc3#
                • 4.Qb4#
                • 4.Qh4#
                • 4.Qe4#
        • 2.Qd2
          • 2...Kd4
            • 3.Qb2+
              • 3...Kc4
                • 4.Se3#
        • 2.Qa5
          • threat
            • 3.Qc5#
          • 2...d2
            • 3.Qc5+
              • 3...Kd3
                • 4.Sf4#
            • 3.Sf4
              • threat
                • 4.Qc5#
              • 3...Kd4
                • 4.Qc5#
      • 1...d2
        • 2.Qe3+
          • 2...Kc4
            • 3.Qc5+
              • 3...Kd3
                • 4.Sf4#

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