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Problem Display

PID: 77378 (8/1B2P3/8/8/6N1/4p3/2K5/4k3 w - - 0 1)

Savournin, Jacques

The Problemist, 1960

8/1B2P3/8/8/6N1/4p3/2K5/4k3

#3

4 + 2

SOLUTION

SOUND
Tries
- 1.Bg2?
  - 1...Ke2
    - 2.e8Q
      - 2...Ke1
        3.Qxe3#
    - 2.e8R
      - 2...Ke1
        3.Rxe3#
  - 1...e2!
- 1.e8Q?
  - threat
    - 2.Ba6
      - 2...e2
        3.Qxe2#
    - 2.Qb5
      - 2...e2
        3.Qb1#
    - 2.Qxe3+
      - 2...Kf1
        3.Sh2#
        3.Qf2#
  - 1...Ke2
    - 2.Bg2
      - 2...Ke1
        3.Qxe3#
    - 2.Qd7
      - threat
        3.Qd1#
      - 2...Ke1
        3.Qd1#
      - 2...Kf1
        3.Qd1#
    - 2.Qxe3+
      - 2...Kf1
        3.Sh2#
        3.Qf2#
    - 2.Qd8
      - threat
        3.Qd1#
      - 2...Ke1
        3.Qd1#
      - 2...Kf1
        3.Qd1#
  - 1...e2
    - 2.Qh5
      - 2...Kf1
        3.Qh1#
    - 2.Qc6
      - 2...Kf1
        3.Qh1#
    - 2.Qe3
      - 2...Kf1
        3.Qf2#
    - 2.Qe4
      - 2...Kf1
        3.Qh1#
    - 2.Qh8
      - 2...Kf1
        3.Qh1#
  - 1...Kf1!
Keys
- 1.e8R!
  - 1...Kf1
    - 2.Rxe3
      - 2...Kg1
        3.Re1#
  - 1...Ke2
    - 2.Bg2
      - 2...Ke1
        3.Rxe3#
  - 1...e2
    - 2.Rh8
      - 2...Kf1
        3.Rh1#

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