Karl Cosner
Country
USA
Birth Year
1969
Gender
M
Title
FIDE ID
30939798
USCF ID
12474115
USCF Rating
2018
FIDE rating history
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USCF rating history
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Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-04 (UTC).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2020-02-17 | ch-Oregon 2020 | Portland, OR USA | 9.4 | Andrew E Lebovitz | Karl Cosner | 0-1 | 27 | Open |
| 2 | 2020-02-16 | ch-Oregon 2020 | Portland, OR USA | 7.1 | Karl Cosner | Joshua Grabinsky | 0-1 | 38 | Open |
| 3 | 2020-02-15 | ch-Oregon 2020 | Portland, OR USA | 6.3 | Karl Cosner | Lennart Bjorksten | 0-1 | 59 | Open |
| 4 | 2020-02-15 | ch-Oregon 2020 | Portland, OR USA | 5.3 | Matt Zavortink | Karl Cosner | 1-0 | 32 | Open |
| 5 | 2020-02-09 | ch-Oregon 2020 | Portland, OR USA | 4.1 | Karl Cosner | Zoey Tang | 0-1 | 25 | Open |
| 6 | 2020-02-09 | ch-Oregon 2020 | Portland, OR USA | 3.2 | Ryan Richardson | Karl Cosner | 0-1 | 39 | Open |
| 7 | 2020-02-08 | ch-Oregon 2020 | Portland, OR USA | 2.3 | Karl Cosner | Carl Haessler | 1/2-1/2 | 17 | Open |
| 8 | 2020-02-08 | ch-Oregon 2020 | Portland, OR USA | 1.5 | Nick Raptis | Karl Cosner | 1-0 | 43 | Open |
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