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Individual Calculations May 2010 |
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| Rozovsky, Daniel Total change: 91.20 | |   |
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| 40th Annual World Amateur Team & US Tean East | Parsippany, New Jersey | USA | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2017 | 2.50 | 3 | 1.68 | 25 | 42.00 | |
|  Theil, Carey Miles | | | 2214 | USA | 1.00 | 1 | 0.75 | 25 | 18.75 | |  Gaspard, Fritz | | | 2125 | USA | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Getz, Alec | f | | 2239 | USA | 0.50 | 1 | 0.28 | 25 | 7.00 | |
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) | | | | 19th Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2010-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 2041 | 1.50 | 5 | 0.12 | 25 | 3.00 | |
| | Kudrin, Sergey | g | | 2441 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Zenyuk, Iryna | c | wm | 2263 | USA | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Meekins, Kristopher | | | 2204 | USA | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Smarty, Sylvester | | | 2082 | USA | 1.00 | 1 | 0.56 | 25 | 14.00 | | | Aaron, Deepak | | | 2140 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | NOTE: K factor changed | | Philadelphia Open | Philadelphia, Pennsylvania | USA | 2010-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2041 | 3.50 | 7 | 1.86 | 15 | 27.90 | |
| | Morshedi, Ali | f | | 2289 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Melekhina, Alisa | | wm | 2271 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Zenyuk, Iryna | c | wm | 2263 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Markzon, Gregory | f | | 2218 | USA | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Langer, Michael | f | | 2282 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Iwu, Okechukwu A | | | 2175 | USA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Bady, Glenn | | | 2251 | USA | 1.00 | 1 | 0.77 | 15 | 11.55 | |
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) | | | NOTE: K factor changed | | Hartford Open | Windsor Locks, Connecticut | USA | 2010-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 2041 | 2.00 | 4 | 1.22 | 15 | 18.30 | |
| | Kudrin, Sergey | g | | 2441 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Grasso, David | | | 2173 | USA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Torres, Yelfry | | | 2197 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Esserman, Marc R | m | | 2421 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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