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Individual Calculations July 2012 |
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| Gutman, Joshua Total change: 22.65 | |   |
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| 2012 Western Amateur | Los Angeles, California | USA | 2012-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2110 | 2.00 | 3 | 0.50 | 15 | 7.50 | |
|  Kudryavtsev, Vadim | | | 2142 | RUS | 0.00 | 1 | -0.46 | 15 | -6.90 | |  Faber, Craig A | | | 2108 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Wolfley, Lawrence | | | 2084 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | |
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) | | | | 2012 National Open - Open Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2110 | 3.00 | 6 | 1.01 | 15 | 15.15 | |
| | Foisor, Sabina-Fracesca | | wg | 2364 | USA | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Adamson, Robby | f | | 2322 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Foisor, Mihaela | | wm | 2244 | ROU | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Umezinwa, George O | | | 2242 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Toolin, Christopher | | | 2165 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Liu, Daniel | | | 2105 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | |
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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