Problem Display
PID: 73035 (7R/1P6/2NP4/4P3/2kP2p1/1p6/1Q4P1/4K3 w - - 0 1)

Niehuser-Sauer, Roland

Neue Osnabrucker Zeitung, 1993

7R/1P6/2NP4/4P3/2kP2p1/1p6/1Q4P1/4K3

#3

9 + 3


6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION


  • SOUND
  • Sets
    • 1...Kb5
      • 2.Qxb3+
        • 2...Ka6
          • 3.Ra8#
          • 3.b8S#
        • 2...Kxc6
          • 3.b8S#
  • Tries
    • 1.Sb4?
      • threat
        • 2.b8Q
          • 2...g3
            • 3.Rc8#
        • 2.b8R
          • 2...g3
            • 3.Rhc8#
      • 1...Kxb4
        • 2.b8Q+
          • 2...Ka4
            • 3.Qa1#
          • 2...Kc4
            • 3.Q8xb3#
          • 2...Ka5
            • 3.Qa1#
            • 3.Qa3#
      • 1...Kb5
        • 2.b8Q+
          • 2...Ka4
            • 3.Qa1#
          • 2...Kc4
            • 3.Rc8#
          • 2...Ka5
            • 3.Qa1#
            • 3.Qa3#
        • 2.b8R+
          • 2...Ka4
            • 3.Qa1#
          • 2...Kc4
            • 3.Rhc8#
          • 2...Ka5
            • 3.Qa1#
            • 3.Qa3#
      • 1...g3!
    • 1.Qe2+?
      • 1...Kc3
        • 2.b8Q
          • threat
            • 3.Qb4#
      • 1...Kd5!
    • 1.b8Q?
      • threat
        • 2.Q2xb3#
        • 2.Q8xb3#
      • 1...Kd3
        • 2.Qe2+
          • 2...Kc3
            • 3.Qb4#
      • 1...Kd5!
  • Keys
    • 1.Rh4!
      • 1...Kd3
        • 2.Qxb3+
          • 2...Ke4
            • 3.Qf3#
      • 1...Kb5
        • 2.Qxb3+
          • 2...Ka6
            • 3.b8S#
          • 2...Kxc6
            • 3.b8S#
      • 1...Kd5
        • 2.Qxb3+
          • 2...Ke4
            • 3.Qf3#
          • 2...Kxc6
            • 3.b8S#
      • 1...g3
        • 2.b8S
          • 2...Kd3
            • 3.Qxb3#
          • 2...Kb5
            • 3.Qxb3#
          • 2...Kd5
            • 3.Qxb3#

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