MESON Chess Problem Database

Problem Display
PID: 278169 (8/R5Q1/1N3Pp1/3b2P1/Pp4P1/1k6/1P6/1K6 w - - 0 1)

Koller, Paul

Schach, 1969

8/R5Q1/1N3Pp1/3b2P1/Pp4P1/1k6/1P6/1K6

#4

9 + 4

6490 yacpdb 2024

SOLUTION

  • COOKED
  • Keys
    • 1.Sxd5!
      • 1...Kc4
        • 2.Sb6+
          • 2...Kd3
            • 3.Qe7
              • threat
                • 4.Rd7#
              • 3...Kd2
                • 4.Rd7#
              • 3...Kd4
                • 4.Rd7#
          • 2...Kd4
            • 3.Qe7
              • threat
                • 4.Rd7#
              • 3...Kd3
                • 4.Rd7#
          • 2...Kc5
            • 3.Qe7+
              • 3...Kd4
                • 4.Rd7#
              • 3...Kxb6
                • 4.Qc7#
              • 3...Kc6
                • 4.Qc7#
    • 1.Qg8!
      • threat
        • 2.Qxd5#
      • 1...Bxg8
        • 2.Rh7
          • threat
            • 3.Rh3#
          • 2...Bxh7
            • 3.f7
              • 3...Bg8
                • 4.fxg8Q#
                • 4.fxg8B#
          • 2...Bc4
            • 3.Rh3+
              • 3...Bd3+
                • 4.Rxd3#
          • 2...Bd5
            • 3.Rh3+
              • 3...Bf3
                • 4.Rxf3#

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