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Individual Calculations December 2012 |
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| Bryant, Todd Total change: 18.90 | |   |
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| 3rd Annual Boardwalk Open | Asbury Park, New Jersey | USA | 2012-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2069 | 2.00 | 3 | 0.64 | 15 | 9.60 | |
|  Rofrano, Joshua M | | | 2083 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | |  Van Kooten, Luuk | f | | 2356 | NED | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Nguyen, Trung | | | 1899 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | | | 43rd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2069 | 2.50 | 6 | 0.62 | 15 | 9.30 | |
| | Lenderman, Aleksandr | g | | 2469 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Helfst, Matt D | | | 1950 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Zhang, Yuanchen | | | 1970 | CAN | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Paikidze, Nazi | m | wg | 2394 | GEO | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Bodek, Michael H | f | | 2318 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Foisor, Sabina-Francesca | | wg | 2326 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | * 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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