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Problem Display

PID: 112756 (8/8/8/4PQ2/K7/4kN2/8/4B3 w - - 0 1)

Kolpakov, Viktor Sergeevich

Zujevas, Nikolajus

Leninskoe plemya, 1989

8/8/8/4PQ2/K7/4kN2/8/4B3

#3

5 + 1

6490	yacpdb	2009

SOLUTION

SOUND
Tries
- 1.Sg5?
  - threat
    - 2.Qe4#
  - 1...Kd4
    - 2.Kb4
      - threat
        3.Qe4#
      - 2...Ke3
        3.Qe4#
      - 2...Kd5
        3.Qe4#
    - 2.Kb5
      - threat
        3.Qe4#
      - 2...Ke3
        3.Qe4#
      - 2...Kd5
        3.Qe4#
    - 2.Qe4+
      - 2...Kc5
        3.Bf2#
  - 1...Ke2!
- 1.Bc3?
  - threat
    - 2.Se1
      - 2...Ke2
        3.Qf3#
    - 2.Sh2
      - 2...Ke2
        3.Qf3#
    - 2.Sh4
      - 2...Ke2
        3.Qf3#
    - 2.Sg5
      - 2...Ke2
        3.Qf3#
  - 1...Ke2
    - 2.Se1
      - threat
        3.Qf3#
      - 2...Kd1
        3.Qc2#
      - 2...Ke3
        3.Qf3#
    - 2.Sg1+
      - 2...Kd1
        3.Qb1#
      - 2...Ke3
        3.Qf3#
    - 2.Sd4+
      - 2...Kd1
        3.Qb1#
        3.Qc2#
        3.Qf1#
      - 2...Ke3
        3.Qf3#
  - 1...Kf2!
Keys
- 1.Sd2!
  - threat
    - 2.Qe4#
  - 1...Ke2
    - 2.Qb1
      - 2...Ke3
        3.Qe4#
  - 1...Kd4
    - 2.Qe4+
      - 2...Kc3
        3.Sc4#
      - 2...Kc5
        3.Bf2#

FEATURES

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