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Problem Display

PID: 205905 (R7/pkB1K3/b1pp1N2/8/NPp5/2P5/8/R7 w - - 0 1)

Chapman, CF

Bulletin de la FFE, 1929

R7/pkB1K3/b1pp1N2/8/NPp5/2P5/8/R7

#4

8 + 6

15	British Chess Magazine	1932
6490	yacpdb	2020

SOLUTION

SOUND
Keys
- 1.Se4!
  - threat
    - 2.Kxd6
      - threat
        3.Rb8#
      - 2...Kxa8
        3.Sec5
        3...Bb5
        4.Sb6#
        3...Bb7
        4.Sb6#
        3...Bc8
        4.Sb6#
      - 2...Bb5
        3.Sec5+
        3...Kxa8
        4.Sb6#
        3.Rb8+
        3...Ka6
        4.Sac5#
        4.Sec5#
        3.Sb6
        threat
        4.Sc5#
        4.R1xa7#
        4.R8xa7#
        4.Rb8#
  - 1...Kxc7
    - 2.Sxd6
      - 2...c5
        3.b5
        3...Bxb5
        4.Rc8#
        3...Bb7
        4.Se8#
        3...Bc8
        4.Rxc8#
  - 1...Kxa8
    - 2.Sxd6
      - threat
        3.Sb6+
        3...axb6
        4.Rxa6#
  - 1...c5
    - 2.Kxd6
      - threat
        3.Rb8#
      - 2...Kxa8
        3.Sexc5
        3...Bb5
        4.Sb6#
        3...Bb7
        4.Sb6#
        3...Bc8
        4.Sb6#
      - 2...Bb5
        3.Sexc5+
        3...Kxa8
        4.Sb6#
        3.Rb8+
        3...Ka6
        4.Saxc5#
        4.Sexc5#
        3.Sb6
        threat
        4.Sxc5#
        4.R1xa7#
        4.R8xa7#
        4.Rb8#
  - 1...d5
    - 2.Rxa7+
      - 2...Kxa7
        3.Sac5
        threat
        4.Rxa6#
        3...Ka8
        4.Rxa6#

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