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Problem Display

PID: 93092 (5nQ1/2n1r3/4pp2/8/2p5/2R2K1p/kP3Rp1/8 w - - 0 1)

Fomichev, Evgeny Vasilevich

Tidskrift for Schack, 1996

5nQ1/2n1r3/4pp2/8/2p5/2R2K1p/kP3Rp1/8

#3

5 + 9

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...g1Q
  - 2.Ra3+
    - 2...Kb1
      - 3.Qxg1#
  - 2.Qxg1
    - threat
      - 3.Ra3#
      - 3.b4#
- 1...g1S+
  - 2.Qxg1
    - threat
      - 3.Ra3#
      - 3.b4#
- 1...g1B
  - 2.Ra3+
    - 2...Kb1
      - 3.Qxg1#
  - 2.Qxg1
    - threat
      - 3.Ra3#
      - 3.b4#
- 1...g1R
  - 2.Ra3+
    - 2...Kb1
      - 3.Qxg1#
  - 2.Qxg1
    - threat
      - 3.Ra3#
      - 3.b4#
  - 2.b4+
    - 2...Ka1
      - 3.Qxg1#
    - 2...Kb1
      - 3.Qxg1#
- 1...e5
  - 2.Qxc4+
    - 2...Ka1
      - 3.Rc1#
    - 2...Kb1
      - 3.Rc1#
Tries
- 1.b4+?
  - 1...Ka1
    - 2.Rc1#
  - 1...Kb1!
Keys
- 1.Qg4!
  - threat
    - 2.Qxc4+
      - 2...Ka1
        3.Rc1#
      - 2...Kb1
        3.Rc1#
  - 1...g1S+
    - 2.Qxg1
      - threat
        3.Ra3#
        3.b4#
  - 1...Ka1
    - 2.Rc1+
      - 2...Ka2
        3.Qxc4#
  - 1...Kb1
    - 2.Qe4+
      - 2...Ka1
        3.Ra3#
      - 2...Ka2
        3.Ra3#
  - 1...g1Q
    - 2.Ra3+
      - 2...Kb1
        3.Qxg1#
    - 2.Qxg1
      - threat
        3.Ra3#
        3.b4#
  - 1...g1R
    - 2.Ra3+
      - 2...Kb1
        3.Qxg1#
    - 2.Qxg1
      - threat
        3.Ra3#
        3.b4#
    - 2.b4+
      - 2...Ka1
        3.Qxg1#
      - 2...Kb1
        3.Qxg1#

FEATURES

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Developed and maintained by Brian Stephenson.
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