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Individual Calculations May 2012 |
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| Colas, Joshua Total change: 25.65 | |   |
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| 42nd Annual World Amateur Team and US Team East | Parsippany, New Jersey | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2052 | 1.50 | 4 | 0.33 | 15 | 4.95 | |
|  McHugh, Edward F | | | 2164 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | |  Ippolito, Dean | m | | 2452 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Abdul-Rahman, Rahwaiz | | | 2064 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Beltre, Alexander | | | 2236 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | * 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) | | | | 21st Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2012-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2228 | 2057 | 1.50 | 3 | 0.57 | 15 | 8.55 | |
| | Gerzhoy, Leonid | m | | 2457 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Sharp, Dale E | | | 2031 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Gu, Christopher | | | 2196 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | * 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) | | | | 6th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2057 | 4.00 | 9 | 0.81 | 15 | 12.15 | |
| | Bartell, Thomas | f | | 2365 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Markzon, Gregory | f | | 2227 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Liang, Awonder | f | | 1880 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Williams, Justus D | | | 2197 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Troff, Kayden W | f | | 2297 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Ortiz, Nadya | | wg | 2255 | COL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Roy, Myriam | | | 1942 | CAN | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Nemcova, Katerina | | wg | 2275 | CZE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Filipovich, David | | | 2123 | CAN | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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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