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Individual Calculations January 2010 |
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| Karklins, Andrew Total change: 31.50 | |   |
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| 27th Annual Sands Regency - Western States Open | Reno, Nevada | USA | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2425 | 2216 | 2.50 | 5 | 1.25 | 15 | 18.75 | |
|  Ehlvest, Jaan | g | | 2607 | USA | 1.00 | 1 | 0.91 | 15 | 13.65 | | | Naroditsky, Daniel | f | | 2339 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Kretchetov, Alexander | f | | 2365 | RUS | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Small, Gregg H | f | | 2303 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Sevillano, Enrico | m | | 2512 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 18th Annual Kings Island Open | Mason, Ohio | USA | 2009-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 2198 | 3.00 | 4 | 0.85 | 15 | 12.75 | |
| | Bath, John | | | 2159 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Hellwig, Luke | | | 2091 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Berkovich, Dmitriy | m | | 2371 | UKR | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Markovits, Alex | | | 2066 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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