MESON Chess Problem Database

Problem Display
PID: 248586 (kB4b1/Pp6/1P1pp1q1/3B4/1Np5/K1p5/1n2Q3/8 w - - 0 1)

Johandl, Alois

Shakhmaty v SSSR, 1960

kB4b1/Pp6/1P1pp1q1/3B4/1Np5/K1p5/1n2Q3/8

#4

7 + 9

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sa6!
      • threat
        • 2.Sc7#
      • 1...Qf7
        • 2.Qf3
          • threat
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
            • 3.Qxf7
              • threat
                • 4.Sc7#
                • 4.Bxb7#
                • 4.Qxb7#
          • 2...exd5
            • 3.Qxf7
              • threat
                • 4.Sc7#
              • 3...bxa6
                • 4.b7#
          • 2...Qd7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qe7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qg7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qh7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
            • 3.Bc7
              • threat
                • 4.Bxb7#
                • 4.Qf8#
              • 3...Qxc7
                • 4.Sxc7#
      • 1...Qh7
        • 2.Qe4
          • threat
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
            • 3.Qxh7
              • threat
                • 4.Sc7#
                • 4.Bxb7#
                • 4.Qxb7#
          • 2...exd5
            • 3.Qxh7
              • threat
                • 4.Sc7#
              • 3...bxa6
                • 4.b7#
          • 2...Qd7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qe7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qf7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qg7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
            • 3.Bc7
              • threat
                • 4.Bxb7#
              • 3...Qxc7
                • 4.Sxc7#
              • 3...exd5
                • 4.Qe8#
      • 1...Qg7
        • 2.Qg2
          • threat
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
            • 3.Qxg7
              • threat
                • 4.Sc7#
                • 4.Bxb7#
                • 4.Qxb7#
          • 2...exd5
            • 3.Qxg7
              • threat
                • 4.Sc7#
              • 3...bxa6
                • 4.b7#
          • 2...Qd7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qe7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qf7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#
          • 2...Qh7
            • 3.Bxb7+
              • 3...Qxb7
                • 4.Sc7#

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