MESON Chess Problem Database

Problem Display
PID: 252465 (4Kn2/1R6/k1Bp4/p3N3/1P2pB2/1N3pPn/3p3Q/1R2qb2 w - - 0 1)

Johner, Hans

Wettstein, Markus

HM., Schweizerische Schachzeitung, 1966

4Kn2/1R6/k1Bp4/p3N3/1P2pB2/1N3pPn/3p3Q/1R2qb2

#4

10 + 10

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sd3!
      • threat
        • 2.b5#
      • 1...exd3+
        • 2.Kxf8
          • threat
            • 3.b5#
          • 2...Qe7+
            • 3.Kxe7
              • threat
                • 4.b5#
              • 3...axb4
                • 4.Ra1#
          • 2...Qe8+
            • 3.Kxe8
              • threat
                • 4.b5#
              • 3...axb4
                • 4.Ra1#
          • 2...axb4
            • 3.Rxe1
              • threat
                • 4.Ra1#
              • 3...dxe1Q
                • 4.Qa2#
              • 3...dxe1S
                • 4.Qa2#
              • 3...dxe1B
                • 4.Qa2#
              • 3...dxe1R
                • 4.Qa2#
              • 3...d1Q
                • 4.Qa2#
              • 3...d1S
                • 4.Qa2#
              • 3...d1B
                • 4.Qa2#
              • 3...d1R
                • 4.Qa2#
            • 3.Be3
              • threat
                • 4.Ra7#
              • 3...Qxe3
                • 4.Ra1#
          • 2...Qe5
            • 3.Bxe5
              • threat
                • 4.b5#
              • 3...axb4
                • 4.Ra1#
      • 1...Bxd3
        • 2.Qe2
          • threat
            • 3.b5+
              • 3...Bxb5
                • 4.Qxb5#
            • 3.Be3
              • threat
                • 4.Ra7#
          • 2...Qxe2
            • 3.Ra1
              • threat
                • 4.Rxa5#
              • 3...a4
                • 4.Rxa4#

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