Problem Display
PID: 61437 (4B3/P7/P2pP3/1pbp4/Rpkn1R2/rp1N4/pP2P3/K7 w - - 0 1)

Spirin, Andrey

64 Shakhmatnoe obozrenie, 1981

4B3/P7/P2pP3/1pbp4/Rpkn1R2/rp1N4/pP2P3/K7

#3

10 + 10


56 The Problemist 2005

SOLUTION


  • SOUND
  • Sets
    • 1...Bb6
      • 2.Rxb4#
    • 1...Bxa7
      • 2.Rxb4#
  • Tries
    • 1.Bc6?
      • 1...Rxa4
        • 2.a8Q
          • threat
            • 3.Bxd5#
        • 2.a8B
          • threat
            • 3.Bxd5#
      • 1...bxa4!
    • 1.Rxd4+?
      • 1...Bxd4
        • 2.Rxb4#
      • 1...Kxd4!
    • 1.a8Q?
      • threat
        • 2.Qc6
          • threat
            • 3.Rxb4#
            • 3.Qxb5#
          • 2...bxa4
            • 3.Qb5#
        • 2.Qb7
          • threat
            • 3.Bxb5#
            • 3.Qxb5#
          • 2...bxa4
            • 3.Bb5#
            • 3.Qb5#
          • 2...Bb6
            • 3.Rxb4#
        • 2.Qb8
          • threat
            • 3.Bxb5#
            • 3.Qxb5#
          • 2...bxa4
            • 3.Bb5#
            • 3.Qb5#
          • 2...Bb6
            • 3.Rxb4#
      • 1...Rxa4
        • 2.Bc6
          • threat
            • 3.Bxd5#
      • 1...bxa4!
    • 1.a8S?
      • threat
        • 2.Sb6+
          • 2...Bxb6
            • 3.Rxb4#
        • 2.Sc7
          • threat
            • 3.Bxb5#
          • 2...bxa4
            • 3.Bb5#
        • 2.Rxb4+
          • 2...Bxb4
            • 3.Sb6#
      • 1...bxa4
        • 2.Sc7
          • threat
            • 3.Bb5#
      • 1...Rxa4!
  • Keys
    • 1.a8B!
      • threat
        • 2.Bac6
          • threat
            • 3.Bxb5#
          • 2...bxa4
            • 3.Bb5#
      • 1...Rxa4
        • 2.Bec6
          • threat
            • 3.Bxd5#
      • 1...bxa4
        • 2.Bac6
          • threat
            • 3.Bb5#

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