MESON Chess Problem Database

Problem Display
PID: 235592 (1R6/p7/P1P5/kP1P3p/7R/5BKp/2NP3P/1N6 w - - 0 1)

Jahn, Gunther

Schweizerische Schachzeitung, 1988

1R6/p7/P1P5/kP1P3p/7R/5BKp/2NP3P/1N6

#4

12 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Bg4!
      • threat
        • 2.Rxh3
          • threat
            • 3.Kf2
              • threat
                • 4.Ra3#
              • 3...Ka4
                • 4.Ra3#
            • 3.Kg2
              • threat
                • 4.Ra3#
              • 3...Ka4
                • 4.Ra3#
            • 3.Kf4
              • threat
                • 4.Ra3#
              • 3...Ka4
                • 4.Ra3#
            • 3.Kh4
              • threat
                • 4.Ra3#
              • 3...Ka4
                • 4.Ra3#
          • 2...h4+
            • 3.Kxh4
              • 3...Ka4
                • 4.Ra3#
            • 3.Kf2
              • 3...Ka4
                • 4.Ra3#
            • 3.Kg2
              • 3...Ka4
                • 4.Ra3#
            • 3.Kf4
              • 3...Ka4
                • 4.Ra3#
          • 2...Ka4
            • 3.Kf2
              • threat
                • 4.Ra3#
              • 3...Ka5
                • 4.Ra3#
            • 3.Kg2
              • threat
                • 4.Ra3#
              • 3...Ka5
                • 4.Ra3#
            • 3.Kf4
              • threat
                • 4.Ra3#
              • 3...Ka5
                • 4.Ra3#
            • 3.Kh4
              • threat
                • 4.Ra3#
              • 3...Ka5
                • 4.Ra3#
          • 2...hxg4
            • 3.Kxg4
              • 3...Ka4
                • 4.Ra3#
      • 1...Ka4
        • 2.Bd1+
          • 2...Kb3
            • 3.Rb4+
              • 3...Ka2
                • 4.Sc3#
          • 2...Ka5
            • 3.Sd4
              • 3...Kb4
                • 4.Sb3#
      • 1...hxg4
        • 2.Kxg4
          • 2...Ka4
            • 3.Rxh3
              • 3...Ka5
                • 4.Ra3#

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