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Individual Calculations April 2008 |
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| Casella, Michael Total change: 0.75 | |   |
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| 15th Annual Western Class Championships | Agoura Hills California | USA | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2354 | 2286 | 3.00 | 5 | 0.92 | 15 | 13.80 | |
|  Nip, Nicholas | | | 2143 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Pearson, Michael | | | 2143 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Matikozyan, Andranik | m | | 2464 | ARM | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Sevillano, Enrico | m | | 2526 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Yotov, Valentin | m | | 2495 | BUL | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | 25th Annual U.S Amateur Team West | Los Angeles, CA | USA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2286 | 2.50 | 6 | -0.87 | 15 | -13.05 | |
| | Borgen, Richard | | | 2164 | USA | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Zimbeck, David | | | 2188 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Hermansen, Ron | | | 2254 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Adamson, Robby | f | | 2335 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Lee, Andy | | | 2240 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Yanayt, Eugene | f | | 2255 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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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