MESON Chess Problem Database

Problem Display
PID: 61994 (1b4q1/2p1r3/1kB5/ppR1P1p1/5n2/1P6/K1N2B2/8 w - - 0 1)

Anonymous

Schachzeitung der Berliner Schachgesellschaft, 1849

1b4q1/2p1r3/1kB5/ppR1P1p1/5n2/1P6/K1N2B2/8

#4

7 + 9

SOLUTION

  • SOUND
  • Keys
    • 1.Sb4!
      • threat
        • 2.Rc1#
        • 2.Rc2#
        • 2.Rc3#
        • 2.Rc4#
        • 2.Rxb5#
        • 2.Rd5#
      • 1...Qxb3+
        • 2.Kxb3
          • threat
            • 3.Rc1#
            • 3.Rc2#
            • 3.Rc3#
            • 3.Rc4#
            • 3.Rxb5#
            • 3.Rd5#
          • 2...a4+
            • 3.Ka2
              • threat
                • 4.Rxb5#
              • 3...Ka5
                • 4.Rxb5#
              • 3...Ka7
                • 4.Rc1#
                • 4.Rc2#
                • 4.Rc3#
                • 4.Rc4#
                • 4.Rxb5#
                • 4.Rd5#
            • 3.Kc2
              • threat
                • 4.Rxb5#
              • 3...Ka5
                • 4.Rxb5#
              • 3...Ka7
                • 4.Rc3#
                • 4.Rc4#
                • 4.Rxb5#
                • 4.Rd5#
            • 3.Ka3
              • threat
                • 4.Rxb5#
              • 3...Ka5
                • 4.Rxb5#
              • 3...Ka7
                • 4.Rc1#
                • 4.Rc2#
                • 4.Rc3#
                • 4.Rc4#
                • 4.Rxb5#
                • 4.Rd5#
          • 2...axb4
            • 3.Rc1+
              • 3...Ka5
                • 4.Ra1#
              • 3...Ka6
                • 4.Ra1#
            • 3.Rc2+
              • 3...Ka5
                • 4.Ra2#
              • 3...Ka6
                • 4.Ra2#
      • 1...axb4
        • 2.Rc1+
          • 2...Ka5
            • 3.Ra1
              • threat
                • 4.Kb1#
                • 4.Kb2#
              • 3...Qxb3+
                • 4.Kxb3#
              • 3...Ka6
                • 4.Kb1#
                • 4.Kb2#
          • 2...Ka6
            • 3.Ra1
              • threat
                • 4.Kb1#
                • 4.Kb2#
              • 3...Qxb3+
                • 4.Kxb3#
              • 3...Ka5
                • 4.Kb1#
                • 4.Kb2#

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