MESON Chess Problem Database

Problem Display
PID: 188545 (4B1nr/4p1Q1/p2p2pr/R1pP4/n1P1Np2/K4Pp1/4P3/1k6 w - - 0 1)

Schaer, Eric

Schweizerische Schachzeitung, 1969

4B1nr/4p1Q1/p2p2pr/R1pP4/n1P1Np2/K4Pp1/4P3/1k6

#4

9 + 12

SOLUTION

  • SOUND
  • Keys
    • 1.Qa1+!
      • 1...Kxa1
        • 2.Sd2
          • threat
            • 3.Rxa4
              • threat
                • 4.Kb3#
            • 3.Kb3
              • threat
                • 4.Rxa4#
          • 2...Rh1
            • 3.Sb3+
              • 3...Kb1
                • 4.Bxg6#
          • 2...Sb2
            • 3.Kb3+
              • 3...Sa4
                • 4.Rxa4#
          • 2...Sc3
            • 3.Kb3+
              • 3...Sa2
                • 4.Rxa2#
              • 3...Sa4
                • 4.Rxa4#
          • 2...Sb6
            • 3.Kb3+
              • 3...Sa4
                • 4.Rxa4#

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