MESON Chess Problem Database

Problem Display
PID: 161508 (K4N2/1p6/pR1p2Q1/p3P3/5k2/1N6/8/8 w - - 0 1)

Havel, Miroslav

The Observer, 1923

(First published on Sun Apr 22 1923)

K4N2/1p6/pR1p2Q1/p3P3/5k2/1N6/8/8

#4

6 + 5

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Keys
    • 1.Qg2!
      • 1...Ke3
        • 2.Se6
          • threat
            • 3.Sxa5
              • threat
                • 4.Rb3#
              • 3...Kd3
                • 4.Rb3#
            • 3.Sc1
              • threat
                • 4.Rb3#
                • 4.Qe2#
          • 2...Kd3
            • 3.Sxa5
              • threat
                • 4.Rb3#
              • 3...Kc3
                • 4.Rb3#
              • 3...Ke3
                • 4.Rb3#
          • 2...a4
            • 3.Sc1
              • threat
                • 4.Qe2#
      • 1...Kxe5
        • 2.Qf3
          • threat
            • 3.Sg6+
              • 3...Ke6
                • 4.Sc5#
      • 1...Kf5
        • 2.Rxd6
          • threat
            • 3.Rf6+
              • 3...Kxe5
                • 4.Sd7#
            • 3.Sg6
              • threat
                • 4.Sd4#
                • 4.Rf6#
          • 2...Kf4
            • 3.Rf6+
              • 3...Ke3
                • 4.Qf3#
              • 3...Kxe5
                • 4.Sd7#
          • 2...Kxe5
            • 3.Qg5+
              • 3...Ke4
                • 4.Sd2#
              • 3...Kxd6
                • 4.Qc5#
      • 1...a4
        • 2.Rb4+
          • 2...Ke3
            • 3.Sc1
              • threat
                • 4.Re4#
                • 4.Qe2#
          • 2...Kf5
            • 3.Qe4+
              • 3...Kg5
                • 4.Qg6#
            • 3.Qg4+
              • 3...Kxe5
                • 4.Qe6#
                • 4.Qg5#
            • 3.Qg6+
              • 3...Kxe5
                • 4.Qg5#
                • 4.Qe6#
            • 3.Re4
              • threat
                • 4.Sd4#
                • 4.Qg4#
                • 4.Qg6#
            • 3.Qg3
              • threat
                • 4.Qf4#
              • 3...dxe5
                • 4.Qg6#
            • 3.Qg7
              • threat
                • 4.Qf6#
              • 3...dxe5
                • 4.Qg6#

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