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Problem Display

PID: 254837 (8/1p6/1Q6/1p3pp1/4kN2/3N2p1/6K1/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Schach, 2018

8/1p6/1Q6/1p3pp1/4kN2/3N2p1/6K1/8

#3

4 + 6

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...g4
  - 2.Qc5
    - threat
      - 3.Qe5#
Tries
- 1.Se1?
  - threat
    - 2.Sc2
      - threat
        3.Qe3#
        3.Qd4#
      - 2...Kxf4
        3.Qd4#
      - 2...Ke5
        3.Qd4#
    - 2.Sf3
      - threat
        3.Qd4#
      - 2...Kxf4
        3.Qd4#
  - 1...Ke5
    - 2.Sf3+
      - 2...Ke4
        3.Qd4#
      - 2...Kxf4
        3.Qd4#
  - 1...g4
    - 2.Sc2
      - threat
        3.Qe3#
        3.Qd4#
      - 2...Kxf4
        3.Qe3#
      - 2...Ke5
        3.Qd4#
  - 1...gxf4!
- 1.Qc7?
  - threat
    - 2.Qe5#
  - 1...Ke3
    - 2.Qc5+
      - 2...Kd2
        3.Qc1#
      - 2...Ke4
        3.Qe5#
  - 1...Kd4
    - 2.Qc5+
      - 2...Ke4
        3.Qe5#
  - 1...gxf4!
- 1.Qxb5?
  - threat
    - 2.Qe5#
  - 1...Ke3
    - 2.Qc5+
      - 2...Kd2
        3.Qc1#
      - 2...Ke4
        3.Qe5#
  - 1...Kd4
    - 2.Qc5+
      - 2...Ke4
        3.Qe5#
  - 1...gxf4!
- 1.Qc6+?
  - 1...Ke3
    - 2.Qc5+
      - 2...Kd2
        3.Qc1#
      - 2...Ke4
        3.Qe5#
  - 1...Kd4
    - 2.Qc5+
      - 2...Ke4
        3.Qe5#
  - 1...bxc6!
Keys
- 1.Qd6!
  - threat
    - 2.Qe5#
  - 1...Ke3
    - 2.Qc5+
      - 2...Kd2
        3.Qc1#
      - 2...Ke4
        3.Qe5#
  - 1...gxf4
    - 2.Sc5+
      - 2...Ke3
        3.Qd3#

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