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Individual Calculations August 2013 |
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| Li, Ruifeng Total change: 33.90 | |   |
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| DC International | Arlington, Virginia | USA | 2013-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2203 | 4.50 | 9 | -0.63 | 15 | -9.45 | |
|  Negi, Parimarjan | g | | 2603 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Hughes, John Lodger | | | 2046 | IRL | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Malhotra, Akshay | | | 1944 | USA | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Nguyen, Tan | f | | 1803 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Chan, James | | | 2026 | CAN | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Sinha, Sahil | | | 1898 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Korley, Kassa | f | | 2261 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Sarkar, Justin | m | | 2455 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Sturt, Raven M | | | 2279 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | * 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) | | | | 41srt Annual World Open - U 2400 Section | Arlington, Virginia | USA | 2013-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2189 | 2203 | 7.00 | 9 | 2.33 | 15 | 34.95 | |
| | Szpisjak, Steven J | | | 2136 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Chow, Colin | | | 2079 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Song, Edward | | | 2093 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Acor, Corey | | | 2222 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Finney, Stuart S | | | 2143 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Goldenberg, Ryan D | | | 2234 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Rouleau, John | | | 2270 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Rodriguez, Eric O | f | | 2276 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Tuhrim, Richard Jacob | | | 2247 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | 2013 US Cadet Championships | Rockville, Maryland | USA | 2013-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2219 | 2212 | 4.00 | 7 | 0.56 | 15 | 8.40 | |
| | Colas, Joshua | | | 2225 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Brown, Michael William | | | 2237 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Hua, David | | | 2249 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Williams, Justus D | | | 2200 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Black Jr, James A | | | 2190 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Krishnan, Varun | | | 2240 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Wu, Christopher | | | 2191 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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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