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Problem Display

PID: 157625 (6R1/8/3K4/8/3k4/8/2Q5/8 w - - 0 1)

Ryan, Eugene D

Dubuque Chess Journal, 1886

6R1/8/3K4/8/3k4/8/2Q5/8

#3

3 + 1

14986	White-Hume Collection	2016

SOLUTION

COOKED
Tries
- 1.Qc3+?
  - 1...Ke4
    - 2.Rg3
      - threat
        3.Qe5#
      - 2...Kf4
        3.Qe5#
        3.Qf3#
      - 2...Kf5
        3.Qe5#
        3.Qf3#
    - 2.Rg4+
      - 2...Kf5
        3.Qf3#
    - 2.Qg3
      - 2...Kd4
        3.Rg4#
      - 2...Kf5
        3.Qe5#
        3.Qf3#
  - 1...Kxc3!
- 1.Qc5+?
  - 1...Ke4
    - 2.Rg3
      - 2...Kf4
        3.Qe5#
  - 1...Kd3!
Keys
- 1.Rg2!
  - 1...Ke3
    - 2.Kd5
      - threat
        3.Qe4#
      - 2...Kf3
        3.Qe4#
        3.Qf2#
      - 2...Kf4
        3.Qe4#
        3.Qf2#
    - 2.Ke5
      - 2...Kf3
        3.Qe4#
        3.Qe2#
        3.Qf2#
- 1.Qb3!
  - 1...Ke4
    - 2.Rg3
      - 2...Kd4
        3.Rg4#
        3.Qa4#
        3.Qd5#
        3.Qd3#
        3.Qb4#
      - 2...Kf4
        3.Qf3#
      - 2...Kf5
        3.Qf3#
    - 2.Rg4+
      - 2...Kf5
        3.Qe6#
        3.Qf3#
    - 2.Rf8
      - 2...Kd4
        3.Rf4#
    - 2.Qg3
      - 2...Kd4
        3.Rg4#
      - 2...Kf5
        3.Qe5#
        3.Qf3#

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