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Individual Calculations September 2010 |
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| Cherniack, Alex Total change: 24.90 | |   |
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| 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2226 | 6.50 | 9 | 1.50 | 15 | 22.50 | |
|  Finney, Stuart S | | | 2077 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |  Koo, Oliver T | | | 2241 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Weeramantry, Sunil | f | | 2179 | SRI | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Lwin, Aung K | | | 2034 | MYA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Cohen, Micah | | | 1917 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Mandizha, Farai | f | | 2315 | ZIM | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Yeager, Daniel A | f | | 2283 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Gokhale, Chandrashhekhar | m | | 2282 | IND | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Coleman, Teddy | f | | 2286 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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) | | | | 60th New Hampshire Open | Nashua, New Hampshire | USA | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2378 | 2226 | 1.00 | 3 | 0.05 | 15 | 0.75 | |
| | Ivanov, Alexander | g | | 2538 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Kelleher, William | f | | 2355 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Curdo, John A | f | | 2240 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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) | | | | 40th Annual Continental Open | Sturbridge, Massachusetts | USA | 2010-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2226 | 1.00 | 1 | 0.11 | 15 | 1.65 | |
| | Winter, Curtis A | | | 1880 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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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