Problem Display
PID: 50257 (BnN5/prp4R/b1kp3R/Pn4p1/1P6/p2KNP2/3P2P1/5Q2 w - - 0 1)

Hannelius, Jan Ingvar

1st Prize, Suomen Shakki, 1950

BnN5/prp4R/b1kp3R/Pn4p1/1P6/p2KNP2/3P2P1/5Q2

#3

12 + 10


3105 FIDE Album (1945-1955) 1964

SOLUTION


  • SOUND
  • Sets
    • 1...Sc3+
      • 2.Kxc3
        • threat
          • 3.Sxa7#
    • 1...Sd4+
      • 2.Kxd4
        • threat
          • 3.Sxa7#
    • 1...Sd7
      • 2.Se7#
  • Tries
    • 1.Kc2?
      • threat
        • 2.Qc4#
      • 1...Sc3
        • 2.Sxa7#
      • 1...Sd7
        • 2.Se7#
      • 1...Sd4+!
    • 1.Ke4?
      • threat
        • 2.Qc4#
      • 1...Sd4
        • 2.Sxa7#
      • 1...Sd7
        • 2.Se7#
      • 1...Sc3+!
    • 1.Bxb7+?
      • 1...Bxb7
        • 2.Qc1+
          • 2...Sc3
            • 3.Sxa7#
      • 1...Kxb7!
    • 1.g4?
      • 1...Sc3+
        • 2.Kxc3
          • threat
            • 3.Sxa7#
      • 1...Sd4+
        • 2.Kxd4
          • threat
            • 3.Sxa7#
      • 1...a2!
    • 1.f4?
      • threat
        • 2.Qf3#
      • 1...Sc3+
        • 2.Kxc3
          • threat
            • 3.Sxa7#
      • 1...Sd4+
        • 2.Kxd4
          • threat
            • 3.Sxa7#
      • 1...g4!
  • Keys
    • 1.Ke2!
      • threat
        • 2.Ke1
          • threat
            • 3.Qc4#
          • 2...Sc3
            • 3.Sxa7#
          • 2...Sd4
            • 3.Sxa7#
          • 2...Sd7
            • 3.Se7#
        • 2.Kf2
          • threat
            • 3.Qc4#
          • 2...Sc3
            • 3.Sxa7#
          • 2...Sd4
            • 3.Sxa7#
          • 2...Sd7
            • 3.Se7#
      • 1...Sc3+
        • 2.Ke1
          • threat
            • 3.Sxa7#
          • 2...Sb5
            • 3.Qc4#
      • 1...Sd4+
        • 2.Kf2
          • threat
            • 3.Sxa7#
          • 2...Sb5
            • 3.Qc4#
      • 1...a2
        • 2.Kf2
          • threat
            • 3.Qc4#
          • 2...Sa3
            • 3.Sxa7#
          • 2...Sc3
            • 3.Sxa7#
          • 2...Sd4
            • 3.Sxa7#
          • 2...Sd7
            • 3.Se7#
      • 1...g4
        • 2.Ke1
          • threat
            • 3.Qc4#
          • 2...Sc3
            • 3.Sxa7#
          • 2...Sd4
            • 3.Sxa7#
          • 2...Sd7
            • 3.Se7#

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