MESON Chess Problem Database

Problem Display
PID: 19874 (8/8/1p6/kB2P3/8/1RP5/1Pn5/N2K4 w - - 0 1)

Kos, Ivan

St. Petersburger Zeitung, 1904

8/8/1p6/kB2P3/8/1RP5/1Pn5/N2K4

#4

7 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.c4!
      • 1...Se3+
        • 2.Rxe3
          • 2...Kb4
            • 3.Sc2+
              • 3...Ka5
                • 4.Ra3#
                • 4.b4#
              • 3...Kc5
                • 4.b4#
      • 1...Sxa1
        • 2.Kd2
          • 2...Sxb3+
            • 3.Kc3
              • 3...Sa1
                • 4.b4#
              • 3...Sc1
                • 4.b4#
              • 3...Sd2
                • 4.b4#
              • 3...Sd4
                • 4.b4#
              • 3...Sc5
                • 4.b4#
          • 2...Sc2
            • 3.Kc3
              • 3...Sa1
                • 4.Ra3#
              • 3...Se1
                • 4.Ra3#
              • 3...Sa3
                • 4.Rxa3#
              • 3...Se3
                • 4.Ra3#
              • 3...Sb4
                • 4.Ra3#
              • 3...Sd4
                • 4.Ra3#
      • 1...Se1
        • 2.Ra3+
          • 2...Kb4
            • 3.Ra4+
              • 3...Kc5
                • 4.Sb3#
      • 1...Sa3
        • 2.Rxa3+
          • 2...Kb4
            • 3.Sc2+
              • 3...Kc5
                • 4.b4#
            • 3.Ra4+
              • 3...Kc5
                • 4.Sb3#
      • 1...Sd4
        • 2.Ra3+
          • 2...Kb4
            • 3.Ra4+
              • 3...Kc5
                • 4.b4#

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