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Problem Display

PID: 168832 (K7/P2p2n1/pN2pp2/2PPkP2/1Pp1p2N/2PpB2n/q5P1/3b4 w - - 0 1)

Abramenko, Sergey Petrovich

Muller, Dieter

SuperProblem 017. TT, 2012

K7/P2p2n1/pN2pp2/2PPkP2/1Pp1p2N/2PpB2n/q5P1/3b4

#3

11 + 12

6490	yacpdb	2018

SOLUTION

SOUND
Sets
- 1...Qb1
  - 2.g3
    - threat
      - 3.Bd4#
    - 2...Sxf5
      - 3.Sg6#
- 1...Bc2
  - 2.g3
    - threat
      - 3.Bd4#
    - 2...Sxf5
      - 3.Sg6#
  - 2.g4
    - threat
      - 3.Sg6#
    - 2...Sf4
      - 3.Bd4#
- 1...Be2
  - 2.g3
    - threat
      - 3.Bd4#
    - 2...Sxf5
      - 3.Sg6#
- 1...Bb3
  - 2.g4
    - threat
      - 3.Sg6#
    - 2...Sf4
      - 3.Bd4#
- 1...Sf2
  - 2.g3
    - threat
      - 3.Bd4#
      - 3.Bf4#
- 1...Sf4
  - 2.Bd4#
- 1...Sxf5
  - 2.Sg6#
- 1...d2
  - 2.g3
    - threat
      - 3.Bd4#
    - 2...Sxf5
      - 3.Sg6#
- 1...exd5
  - 2.Sxd7#
- 1...exf5
  - 2.Sg6#
Tries
- 1.g3?
  - threat
    - 2.Bd4#
  - 1...Sxf5
    - 2.Sg6#
  - 1...Qf2!
- 1.g4?
  - threat
    - 2.Sg6#
  - 1...Sf4
    - 2.Bd4#
  - 1...Bxg4!
Keys
- 1.Kb8!
  - threat
    - 2.Sxd7+
      - 2...Kxd5
        3.a8Q#
        3.a8B#
  - 1...Qa4
    - 2.g3
      - threat
        3.Bd4#
      - 2...Sxf5
        3.Sg6#
  - 1...Ba4
    - 2.g4
      - threat
        3.Sg6#
      - 2...Sf4
        3.Bd4#
  - 1...d6
    - 2.Sd7+
      - 2...Kxd5
        3.a8Q#
        3.a8B#

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