MESON Chess Problem Database

Problem Display
PID: 73169 (k1K5/1p5n/4Pp2/1Np1pQ2/2Pb4/1P4p1/8/3Nr2r w - - 0 1)

Zimmermann, Otto

Schweizerische Schachzeitung, 1969

k1K5/1p5n/4Pp2/1Np1pQ2/2Pb4/1P4p1/8/3Nr2r

#4

7 + 10

3690 Kunstschach in der Schweiz 1980

SOLUTION

  • SOUND
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qa2#
      • 1...Re2
        • 2.Sb2
          • threat
            • 3.Qa2#
          • 2...Rxb1
            • 3.Sa4
              • threat
                • 4.Sb6#
              • 3...b6
                • 4.Sxb6#
          • 2...Rxb2
            • 3.Qe4
              • threat
                • 4.Qxb7#
          • 2...Bxb2
            • 3.Qa2+
              • 3...Ba3
                • 4.Qxa3#
          • 2...Bc3
            • 3.Qa2+
              • 3...Ba5
                • 4.Qxa5#
      • 1...Rh2
        • 2.Sb2
          • threat
            • 3.Qa2#
          • 2...Rxb1
            • 3.Sa4
              • threat
                • 4.Sb6#
              • 3...b6
                • 4.Sxb6#
          • 2...Rxb2
            • 3.Qxh7
              • threat
                • 4.Qxb7#
              • 3...b6
                • 4.Qa7#
                • 4.Qb7#
          • 2...Bxb2
            • 3.Qa2+
              • 3...Ba3
                • 4.Qxa3#
          • 2...Bc3
            • 3.Qa2+
              • 3...Ba5
                • 4.Qxa5#

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