MESON Chess Problem Database

Problem Display
PID: 254051 (n4n2/Q7/p1k1P3/1qPp3b/B4Pp1/3N4/3PK2b/2R5 w - - 0 1)

Koller, Paul

Schach, 1968

n4n2/Q7/p1k1P3/1qPp3b/B4Pp1/3N4/3PK2b/2R5

#3

9 + 9

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Qxb6#
    • 1...Sc7
      • 2.Qb6#
    • 1...Sg6
      • 2.Qd7#
    • 1...Sd7
      • 2.Qxd7#
    • 1...Sh7
      • 2.Qd7#
  • Tries
    • 1.Bxb5+?
      • 1...axb5
        • 2.Sb4#
        • 2.Se5#
      • 1...Kxb5!
    • 1.Rb1?
      • threat
        • 2.Bxb5+
          • 2...axb5
            • 3.Sb4#
            • 3.Se5#
      • 1...g3+
        • 2.Ke1
          • threat
            • 3.Sb4#
            • 3.Se5#
          • 2...Sb6
            • 3.Qxb6#
      • 1...Bxf4
        • 2.Bxb5+
          • 2...axb5
            • 3.Sb4#
      • 1...d4!
    • 1.Qxa6+?
      • 1...Sb6
        • 2.Qxb6#
      • 1...Kc7!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Bxb5+
          • 2...axb5
            • 3.Sb4#
            • 3.Se5#
      • 1...g3+
        • 2.Ke1
          • threat
            • 3.Sb4#
            • 3.Se5#
      • 1...Bxf4
        • 2.Bxb5+
          • 2...axb5
            • 3.Sb4#
      • 1...Sxe6
        • 2.Bxb5+
          • 2...axb5
            • 3.Se5#
      • 1...d4
        • 2.Bxb5+
          • 2...Kd5
            • 3.Qe5#
          • 2...axb5
            • 3.Sb4#
      • 1...Sg6
        • 2.Bxb5+
          • 2...axb5
            • 3.Sb4#
      • 1...Sd7
        • 2.Bxb5+
          • 2...axb5
            • 3.Sb4#

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