Problem Display
PID: 221873 (1br5/1N1b1p1N/1n2kB2/8/pp2P3/n7/2P1K3/3Q4 w - - 0 1)

Andrews, Henry John Clinton

Pierce, William Timbrell

English Mechanic and World of Science, 1877

(First published on Fri Jan 19 1877)

1br5/1N1b1p1N/1n2kB2/8/pp2P3/n7/2P1K3/3Q4

#4

7 + 9


15239 Valois Notebooks 2020

SOLUTION


  • COOKED
  • Keys
    • 1.Kf2!
      • threat
        • 2.Qg4#
      • 1...Rxc2+
        • 2.Kg1
          • threat
            • 3.Sd8#
            • 3.Qg4#
          • 2...Rg2+
            • 3.Kxg2
              • threat
                • 4.Sc5#
                • 4.Sd8#
                • 4.Qg4#
          • 2...Bh2+
            • 3.Kh1
              • threat
                • 4.Sd8#
                • 4.Qg4#
      • 1...Bg3+
        • 2.Kg1
          • threat
            • 3.Qg4#
          • 2...Bf2+
            • 3.Kh1
              • threat
                • 4.Qg4#
                • 4.Qd6#
          • 2...Bh2+
            • 3.Kh1
              • threat
                • 4.Qg4#
              • 3...Rc5
                • 4.Sxc5#
                • 4.Sd8#
              • 3...Rg8
                • 4.Sc5#
    • 1.c4!
      • threat
        • 2.Qd5+
          • 2...Sxd5
            • 3.cxd5#
        • 2.Kf1
          • threat
            • 3.Qg4#
          • 2...Rc5
            • 3.Sxc5#
            • 3.Sd8#
          • 2...Rg8
            • 3.Sc5#
        • 2.Qf1
          • threat
            • 3.Sg5#
            • 3.Qh3#
            • 3.Qf5#
          • 2...Rc5
            • 3.Sf8#
      • 1...bxc4 ep
        • 2.Kf2
          • threat
            • 3.Qg4#
          • 2...Bg3+
            • 3.Kg2
              • threat
                • 4.Qg4#
              • 3...Rc5
                • 4.Sxc5#
                • 4.Sd8#
              • 3...Rg8
                • 4.Sc5#
      • 1...Bb5
        • 2.Kf2
          • threat
            • 3.Qg4#
          • 2...Bg3+
            • 3.Kg2
              • threat
                • 4.Qg4#
              • 3...Rc5
                • 4.Sxc5#
                • 4.Sd8#
              • 3...Rg8
                • 4.Sc5#

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