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Problem Display

PID: 160487 (4B3/1p6/1Br5/P1r2p2/kPP1R3/1p1N4/1P3P2/4KQ2 w - - 0 1)

Rezinkin, Valery Ivanovich

Best Problems, 2011

4B3/1p6/1Br5/P1r2p2/kPP1R3/1p1N4/1P3P2/4KQ2

#3

11 + 6

SOLUTION

SOUND
Sets
- 1...Rxa5
  - 2.Kd2
    - threat
      - 3.Qa1#
  - 2.Ke2
    - threat
      - 3.Qa1#
- 1...Rb5
  - 2.Kd2
    - threat
      - 3.Qa1#
  - 2.Ke2
    - threat
      - 3.Qa1#
- 1...Re5
  - 2.Kd2
    - threat
      - 3.Qa1#
Tries
- 1.Bxc5?
  - threat
    - 2.Kd2
      - threat
        3.Qa1#
    - 2.Ke2
      - threat
        3.Qa1#
  - 1...f4
    - 2.Kd2
      - threat
        3.Qa1#
  - 1...b5
    - 2.Kd2
      - threat
        3.Qa1#
      - 2...bxc4
        3.Bxc6#
    - 2.Ke2
      - threat
        3.Qa1#
      - 2...bxc4
        3.Bxc6#
    - 2.Bxc6
      - threat
        3.Bxb5#
    - 2.axb5 ep
      - threat
        3.Bxc6#
  - 1...fxe4!
- 1.bxc5?
  - threat
    - 2.Kd2
      - threat
        3.Qa1#
    - 2.Ke2
      - threat
        3.Qa1#
  - 1...f4
    - 2.Kd2
      - 2...f3
        3.Qa1#
  - 1...fxe4!
Keys
- 1.Rf4!
  - 1...Re5+
    - 2.Sxe5
      - 2...Kxb4
        3.c5#
  - 1...Rxc4
    - 2.Sc5+
      - 2...Kxb4
        3.Qxc4#
      - 2...Kb5
        3.Qxc4#
      - 2...Rxc5
        3.bxc5#
  - 1...Rxa5
    - 2.Kd2
      - threat
        3.Qa1#
  - 1...Rd5
    - 2.cxd5
      - 2...Kb5
        3.Sc5#
  - 1...Rb5
    - 2.Kd2
      - threat
        3.Qa1#

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