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Problem Display

PID: 42280 (3Q4/3K4/8/8/8/4np2/3R1R2/4k3 w - - 0 1)

Chepizhni, Viktor Ivanovich

2nd Prize, Source?, 1959

3Q4/3K4/8/8/8/4np2/3R1R2/4k3

#2

4 + 3

3749	FIDE Album (1959-1961)	1966

SOLUTION

COOKED
Tries
- 1.Qa5?
  - 1...Sd1
    - 2.Rde2#
  - 1...Sf1
    - 2.Qa1#
  - 1...Sg2
    - 2.Qa1#
  - 1...Sc4
    - 2.Qa1#
  - 1...Sg4
    - 2.Qa1#
  - 1...Sd5
    - 2.Qa1#
  - 1...Sf5
    - 2.Qa1#
  - 1...Sc2!
- 1.Qb6?
  - threat
    - 2.Qxe3#
  - 1...Sf1
    - 2.Qb1#
  - 1...Sc2
    - 2.Qb1#
  - 1...Sg2
    - 2.Qb1#
  - 1...Sc4
    - 2.Qb1#
  - 1...Sg4
    - 2.Qb1#
  - 1...Sd5
    - 2.Qb1#
  - 1...Sf5
    - 2.Qb1#
  - 1...Sd1!
- 1.Qb8?
  - 1...Sf1
    - 2.Qb1#
  - 1...Sc2
    - 2.Qb1#
  - 1...Sg2
    - 2.Qb1#
  - 1...Sc4
    - 2.Qb1#
  - 1...Sg4
    - 2.Qb1#
  - 1...Sd5
    - 2.Qb1#
  - 1...Sf5
    - 2.Qb1#
  - 1...Sd1!
Keys
- 1.Qh4!
  - 1...Sd1
    - 2.Qh1#
  - 1...Sf1
    - 2.Rfe2#
  - 1...Sc2
    - 2.Qh1#
  - 1...Sg2
    - 2.Qh1#
  - 1...Sc4
    - 2.Qh1#
  - 1...Sg4
    - 2.Qh1#
  - 1...Sd5
    - 2.Qh1#
  - 1...Sf5
    - 2.Qh1#
- 1.Qh8!
  - 1...Sd1
    - 2.Qh1#
  - 1...Sf1
    - 2.Qa1#
  - 1...Sc2
    - 2.Qh1#
  - 1...Sg2
    - 2.Qa1#
    - 2.Qh1#
  - 1...Sc4
    - 2.Qa1#
    - 2.Qh1#
  - 1...Sg4
    - 2.Qa1#
    - 2.Qh1#
  - 1...Sd5
    - 2.Qa1#
    - 2.Qh1#
  - 1...Sf5
    - 2.Qa1#
    - 2.Qh1#

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