MESON Chess Problem Database

Problem Display
PID: 217388 (kb4b1/1N3n2/p1P4n/5p1K/3p4/8/1Q6/6R1 w - - 0 1)

Kozdon, Baldur

3rd Prize, Deutsche Schachblatter, 1966

kb4b1/1N3n2/p1P4n/5p1K/3p4/8/1Q6/6R1

#5

5 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rb1!
      • threat
        • 2.Sa5
          • threat
            • 3.Qb7#
            • 3.Qxb8#
          • 2...Ka7
            • 3.Qb7#
            • 3.Qxb8#
        • 2.Sc5
          • threat
            • 3.Qb7#
            • 3.Qxb8#
          • 2...Ka7
            • 3.Qb7#
            • 3.Qxb8#
        • 2.Sd6
          • threat
            • 3.Qb7#
            • 3.Qxb8#
          • 2...Ka7
            • 3.Qb7#
            • 3.Qxb8#
        • 2.Sd8
          • threat
            • 3.Qb7#
            • 3.Qxb8#
          • 2...Ka7
            • 3.Qb7#
            • 3.Qxb8#
      • 1...Bc7
        • 2.Sa5
          • threat
            • 3.Qb7#
          • 2...Sd6
            • 3.Qb7+
              • 3...Sxb7
                • 4.cxb7+
                  • 4...Ka7
                    • 5.Sc6#
                  • 4...Kb8
                    • 5.Sc6#
          • 2...Sd8
            • 3.Qb7+
              • 3...Sxb7
                • 4.cxb7+
                  • 4...Ka7
                    • 5.Sc6#
                  • 4...Kb8
                    • 5.Sc6#
      • 1...Ba7
        • 2.Sc5
          • threat
            • 3.Qb7#
          • 2...Sd6
            • 3.Qb7+
              • 3...Sxb7
                • 4.cxb7+
                  • 4...Kb8
                    • 5.Sxa6#
          • 2...Sd8
            • 3.Qb7+
              • 3...Sxb7
                • 4.cxb7+
                  • 4...Kb8
                    • 5.Sxa6#

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