MESON Chess Problem Database

Problem Display
PID: 282683 (8/8/8/8/8/3NK3/2k5/3N1R2 w - - 0 1)

Rumyantsev, Sergei Yuryewitch

Omskaya Pravda, 1979

8/8/8/8/8/3NK3/2k5/3N1R2

#4

4 + 1

3713 Snap 2025

SOLUTION

  • SOUND
  • Keys
    • 1.Rf4!
      • 1...Kb1
        • 2.Kd2
          • threat
            • 3.Sc3+
              • 3...Ka1
                • 4.Rf1#
                • 4.Ra4#
          • 2...Ka1
            • 3.Ra4+
              • 3...Kb1
                • 4.Sc3#
            • 3.Kc2
              • 3...Ka2
                • 4.Ra4#
          • 2...Ka2
            • 3.Ra4+
              • 3...Kb1
                • 4.Sc3#
              • 3...Kb3
                • 4.Sc5#
      • 1...Kxd1
        • 2.Se1
          • threat
            • 3.Rc4
              • 3...Kxe1
                • 4.Rc1#
          • 2...Kc1
            • 3.Rb4
              • 3...Kd1
                • 4.Rb1#
          • 2...Kxe1
            • 3.Kd3
              • 3...Kd1
                • 4.Rf1#
      • 1...Kb3
        • 2.Kd2
          • 2...Ka2
            • 3.Ra4+
              • 3...Kb1
                • 4.Sc3#
              • 3...Kb3
                • 4.Sc5#
          • 2...Ka3
            • 3.Kc2
              • 3...Ka2
                • 4.Ra4#

Anticipated by 236108(1948)

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