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Individual Calculations September 2009 |
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| Huang, Vincent Total change: 14.55 | |   |
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| Southern California Championship Candidates | Garden Grove, California | USA | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2051 | 2.00 | 3 | 1.06 | 15 | 15.90 | |
|  Abrahamyan, Tatev | | wf | 2273 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Kitagami, Show | | | 2045 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | |  Porter, Ryan W | f | | 2284 | USA | 1.00 | 1 | 0.79 | 15 | 11.85 | |
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) | | | | Denker Tournament of High School Champions | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2063 | 2.00 | 4 | 0.41 | 15 | 6.15 | |
| | Marshall, Abby | | wf | 2171 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Anzis, Matt | | | 2097 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Tae, Patrick J | | | 2092 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Haskel, Jeffrey | | | 2186 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2063 | 1.50 | 5 | -0.33 | 15 | -4.95 | |
| | Kudrin, Sergey | g | | 2463 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Robinson, Darrian | | | 1959 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Holt, Conrad | | | 2303 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Castaneda, Nelson | f | | 2282 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Seitzer, Phillip | | | 1920 | USA | 0.00 | 1 | -0.69 | 15 | -10.35 | | | * 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) | | | | XX Panamericano Mar del Plata U16 Abs | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 2063 | 4.50 | 9 | -0.17 | 15 | -2.55 | |
| | Tobosque Romero, Marco Antonio | | | 1687 | CHI | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Pacheco, Joshue | | | 1986 | ECU | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Espinoza Palomino, Willyam | c | | 2272 | PER | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Perez, Hernan | | | 2001 | PAR | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Shen, Victor C | | | 2177 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Cori Tello, Deysi | | wm | 2390 | PER | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Latorre, Matias | | | 2032 | PAR | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Ibanez, Rodrigo | | | 1906 | URU | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Cruz Molina, Nicolas | | | 1986 | CHI | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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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