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Problem Display

PID: 263881 (6Rr/5p2/1Nb2Kp1/3PNP2/8/3Bk2P/6QP/8 w - - 0 1)

Petrasinovic, Petrasin

Schweizerische Schachzeitung, 2010

6Rr/5p2/1Nb2Kp1/3PNP2/8/3Bk2P/6QP/8

#3

10 + 5

SOLUTION

SOUND
Sets
- 1...Kf4
  - 2.Qf3#
  - 2.Qe4#
  - 2.Qd2#
  - 2.Qf2#
  - 2.Qg3#
  - 2.Qg5#
Tries
- 1.Sec4+?
  - 1...Kxd3
    - 2.Qd2+
      - 2...Ke4
        3.Qe3#
  - 1...Kd4!
- 1.Sxc6?
  - threat
    - 2.Qe2+
      - 2...Kf4
        3.Qf2#
        3.Qe4#
  - 1...Rxh3
    - 2.Qe2+
      - 2...Kf4
        3.Qe4#
  - 1...gxf5
    - 2.Rg3+
      - 2...Kf4
        3.Rf3#
        3.Qf1#
        3.Qf3#
        3.Qd2#
        3.Qf2#
    - 2.Qe2+
      - 2...Kf4
        3.Qf2#
  - 1...Kxd3!
- 1.Sbc4+?
  - 1...Kf4
    - 2.Qf1#
    - 2.Qf3#
    - 2.Qe4#
    - 2.Qd2#
    - 2.Qf2#
    - 2.Qg3#
    - 2.Qg4#
    - 2.Qg5#
  - 1...Kd4!
- 1.Qg1+?
  - 1...Kf4
    - 2.Qf2#
    - 2.Qd4#
    - 2.Qc1#
    - 2.Qg3#
    - 2.Qg5#
  - 1...Kd2!
- 1.Qd2+?
  - 1...Kd4
    - 2.Sxc6+
      - 2...Kc5
        3.Qb4#
  - 1...Kxd2!
- 1.Qe2+?
  - 1...Kf4
    - 2.Qf3#
    - 2.Qd2#
    - 2.Qf2#
    - 2.Qe4#
  - 1...Kd4!
- 1.Qg5+?
  - 1...Kf2
    - 2.Qg3#
  - 1...Kd4!
Keys
- 1.Sf3!
  - threat
    - 2.Qe2+
      - 2...Kf4
        3.Qe4#
  - 1...Kxd3
    - 2.Qd2+
      - 2...Ke4
        3.Sg5#
  - 1...Kf4
    - 2.Qg5+
      - 2...Kxf3
        3.Qg3#
  - 1...Bxd5
    - 2.Qe2+
      - 2...Kf4
        3.Sxd5#
  - 1...gxf5
    - 2.Qd2+
      - 2...Kxf3
        3.Rg3#

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