Problem Display
PID: 207584 (2NnR1b1/2p3P1/2rp1p1b/pRpkN2p/4p3/2K1p3/3PPr2/n5Q1 w - - 0 1)

Keller, Michael

Die Schwalbe, 1974

2NnR1b1/2p3P1/2rp1p1b/pRpkN2p/4p3/2K1p3/3PPr2/n5Q1

#3

9 + 15


SOLUTION


  • SOUND
  • Tries
    • 1.Qxa1?
      • threat
        • 2.Qa2#
      • 1...Be6
        • 2.Sg6
          • threat
            • 3.Sce7#
            • 3.Qa2#
        • 2.Sd7
          • threat
            • 3.Se7#
            • 3.Qa2#
      • 1...Se6!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qa2+
          • 2...Sb3
            • 3.Qxb3#
      • 1...Be6
        • 2.Sd7
          • threat
            • 3.Se7#
          • 2...Bxd7
            • 3.Qxe4#
          • 2...Bh3
            • 3.Qxe4#
          • 2...Bg4
            • 3.Qxe4#
          • 2...Bf5
            • 3.Sxf6#
          • 2...Bf7
            • 3.Qxe4#
          • 2...Bg8
            • 3.Qxe4#
      • 1...Se6
        • 2.Sc4
          • threat
            • 3.Se7#
          • 2...Sxg7
            • 3.Qxe4#
          • 2...Sd4
            • 3.Qxe4#
          • 2...Sf4
            • 3.Sxe3#
            • 3.Qxe4#
          • 2...Sg5
            • 3.Sxe3#
          • 2...Sd8
            • 3.Qxe4#
          • 2...Sf8
            • 3.Qxe4#
      • 1...a4
        • 2.Sd3
          • threat
            • 3.Sb4#
          • 2...exd3
            • 3.Qxd3#
          • 2...Be6
            • 3.Se7#
          • 2...Sc2
            • 3.Qa2#
          • 2...Se6
            • 3.Se7#

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