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Problem Display

PID: 226257 (5K2/3p4/6p1/7k/1Q6/5b1N/6rR/8 w - - 0 1)

Storozhenko, Ivan Ivanovich

2nd HM., Praca, 1994

5K2/3p4/6p1/7k/1Q6/5b1N/6rR/8

#3

4 + 5

6490	yacpdb	2020

SOLUTION

SOUND
Sets
- 1...Rd2
  - 2.Qxd2
    - threat
      - 3.Sf2#
      - 3.Qg5#
    - 2...Kg4
      - 3.Qg5#
    - 2...Kh4
      - 3.Qg5#
    - 2...g5
      - 3.Qxg5#
- 1...Rg5
  - 2.Sg1#
  - 2.Sf2#
Tries
- 1.Qf4?
  - threat
    - 2.Rxg2
      - threat
        3.Qg5#
      - 2...g5
        3.Qxg5#
    - 2.Qg5+
      - 2...Rxg5
        3.Sf2#
  - 1...Rg4
    - 2.Sg1+
      - 2...Rh4
        3.Rxh4#
        3.Qxh4#
    - 2.Sf2+
      - 2...Rh4
        3.Rxh4#
        3.Qxh4#
    - 2.Sg5+
      - 2...Rh4
        3.Rxh4#
        3.Qxh4#
    - 2.Qe5+
      - 2...Kh4
        3.Sg1#
        3.Sf2#
        3.Sg5#
      - 2...Kh6
        3.Qh8#
      - 2...Rg5
        3.Sf2#
        3.Qxg5#
      - 2...g5
        3.Sf4#
    - 2.Qg5+
      - 2...Rxg5
        3.Sf2#
  - 1...Rg3
    - 2.Sg1+
      - 2...Rh3
        3.Rxh3#
    - 2.Sf2+
      - 2...Rh3
        3.Rxh3#
    - 2.Sg5+
      - 2...Rh3
        3.Rxh3#
    - 2.Qg5+
      - 2...Rxg5
        3.Sf2#
  - 1...g5!
Keys
- 1.Qe7!
  - threat
    - 2.Qg5+
      - 2...Rxg5
        3.Sf2#
  - 1...Kh6
    - 2.Qh7+
      - 2...Kxh7
        3.Sg5#
  - 1...g5
    - 2.Sf2+
      - 2...Kg6
        3.Qf7#
      - 2...Rxh2
        3.Qh7#
  - 1...Rg3
    - 2.Sf2+
      - 2...Rh3
        3.Rxh3#
    - 2.Qg5+
      - 2...Rxg5
        3.Sf2#

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