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Individual Calculations May 2015 |
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| Li, Ruifeng Total change: -0.40 | |   |
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| 2015 Lone Star Open | Houston, Texas | USA | 2015-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2408 | 4.50 | 5 | 0.75 | 10 | 7.50 | |
|  Nguyen, Emily | | wf | 2008 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Ahn, Ju Hyung | | | 2008 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Guadalupe Ii, Francisco | | | 2217 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Gorovets, Andrey | m | | 2515 | BLR | 0.50 | 1 | 0.15 | 10 | 1.50 | | | De Jesus, Jeffrey | | | 2162 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | * 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) | | | | 9th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2015-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2278 | 2426 | 4.50 | 9 | -1.67 | 10 | -16.70 | |
| | Hernandez-Camen, Angel | | | 2166 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Pressman, Leif A | f | | 2290 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Colding, Ernest | | | 2154 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | King, Alexander B | | | 2273 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Wu, Christopher | | | 2259 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Balakrishnan, Praveen | | | 2125 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Avrukh, Boris | g | | 2610 | ISR | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Sorkin, Igor | | | 2325 | ISR | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Liang, Awonder | f | | 2302 | USA | 0.00 | 1 | -0.67 | 10 | -6.70 | |
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) | | | | 2015DCC FIDE Open V | Richardson, Texas | USA | 2015-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2320 | 2426 | 3.50 | 5 | 0.52 | 10 | 5.20 | |
| | Kung, Thomas | | | 2026 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Devagharan, Devina | | wf | 2026 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gorovets, Andrey | m | | 2515 | BLR | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Margvelashvili, George | g | | 2539 | GEO | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Kadric, Denis | m | | 2492 | BIH | 0.50 | 1 | 0.09 | 10 | 0.90 | | | * 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) | | | | 2015 Philip Taylor Georgia State Championship | Atlanta, Georgia | USA | 2015-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2426 | 4.00 | 5 | 0.36 | 10 | 3.60 | |
| | Mundy, Jim R | | | 2026 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kayma, Thomas | | | 2026 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Burnett, Ronald W | m | | 2354 | USA | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Paragua, Mark C | g | | 2502 | PHI | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Vest, David M | | | 2181 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | * 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) | | |
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