MESON Chess Problem Database

Problem Display
PID: 205406 (6Q1/8/1N6/8/8/1N6/1k2K3/8 w - - 0 1)

Rittershaus, Oscar

Deutsche Schachzeitung, 1925

6Q1/8/1N6/8/8/1N6/1k2K3/8

#3

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kd2?
      • threat
        • 2.Sc1
          • threat
            • 3.Qa2#
          • 2...Ka1
            • 3.Qa2#
          • 2...Kb1
            • 3.Qa2#
          • 2...Ka3
            • 3.Qb3#
      • 1...Kb1
        • 2.Sc1
          • threat
            • 3.Qa2#
          • 2...Ka1
            • 3.Qa2#
          • 2...Kb2
            • 3.Qa2#
      • 1...Ka2
        • 2.Sc1+
          • 2...Ka1
            • 3.Qa2#
          • 2...Kb1
            • 3.Qa2#
          • 2...Kb2
            • 3.Qa2#
          • 2...Ka3
            • 3.Qb3#
      • 1...Ka3!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Qb3+
          • 2...Ka1
            • 3.Qb1#
            • 3.Qa3#
          • 2...Kc1
            • 3.Qb1#
            • 3.Qc3#
      • 1...Ka1
        • 2.Sbc4
          • 2...Ka2
            • 3.Qa8#
      • 1...Kc1
        • 2.Sa4
          • 2...Kc2
            • 3.Qc4#
            • 3.Qc8#
      • 1...Kc2
        • 2.Sa4
          • 2...Kc1
            • 3.Qc4#
            • 3.Qc8#
        • 2.Qb3+
          • 2...Kc1
            • 3.Qb1#
            • 3.Qc3#
        • 2.Qg7
          • 2...Kc1
            • 3.Qc3#
        • 2.Qh8
          • 2...Kc1
            • 3.Qc3#
      • 1...Kc3
        • 2.Qb3+
          • 2...Kd4
            • 3.Qe3#

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