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Problem Display

PID: 43222 (2NQ4/7B/7B/P1p1p3/3Nr3/p2k4/P7/5K2 w - - 0 1)

Thomas, Samuel H

Illustrated London News, 1880

2NQ4/7B/7B/P1p1p3/3Nr3/p2k4/P7/5K2

#3

8 + 5

4760	200 Classic Chess Puzzles	1993

SOLUTION

SOUND
Sets
- 1...cxd4
  - 2.Qd5
    - threat
      - 3.Qb3#
    - 2...Kc2
      - 3.Qb3#
    - 2...Kc3
      - 3.Qb3#
  - 2.Qg8
    - threat
      - 3.Qb3#
    - 2...Kc2
      - 3.Qb3#
    - 2...Kc3
      - 3.Qb3#
Tries
- 1.Sb3+?
  - 1...Kc2
    - 2.Qd2+
      - 2...Kb1
        3.Bxe4#
  - 1...Kc3
    - 2.Qd2+
      - 2...Kc4
        3.Sd6#
  - 1...Kc4!
Keys
- 1.Qg5!
  - threat
    - 2.Sb6
      - threat
        3.Qd2#
        3.Qe3#
      - 2...Kc3
        3.Qd2#
      - 2...Kxd4
        3.Qd2#
    - 2.Sd6
      - threat
        3.Qd2#
        3.Qe3#
      - 2...Kc3
        3.Qd2#
      - 2...Kxd4
        3.Qd2#
    - 2.Qd2+
      - 2...Kc4
        3.Sb6#
        3.Bg8#
  - 1...Kc3
    - 2.Qd2+
      - 2...Kc4
        3.Sb6#
        3.Bg8#
  - 1...Kc4
    - 2.Sb6+
      - 2...Kc3
        3.Qd2#
      - 2...Kd3
        3.Qd2#
        3.Qe3#
      - 2...Kb4
        3.Qd2#
      - 2...Kxd4
        3.Qd2#
  - 1...Kxd4
    - 2.Qd2+
      - 2...Kc4
        3.Sd6#
  - 1...cxd4
    - 2.Qg8
      - threat
        3.Qb3#
      - 2...Kc2
        3.Qb3#
      - 2...Kc3
        3.Qb3#
  - 1...exd4
    - 2.Qc1
      - 2...c4
        3.Qd2#
    - 2.Qg3+
      - 2...Kc2
        3.Qb3#
      - 2...Kc4
        3.Qb3#

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