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Individual Calculations January 2009 |
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| Homa, Seth Total change: 39.60 | |   |
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| 17th Annual Midwest Class Championships | Wheeling, Illinois | USA | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2427 | 2224 | 2.50 | 5 | 1.27 | 15 | 19.05 | |
|  Betaneli, Alex | f | | 2318 | USA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Finegold, Benjamin | m | | 2527 | USA | 0.50 | 1 | 0.36 | 15 | 5.40 | |  Stryjecki, Marek | m | | 2424 | POL | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Gurevich, Dmitry | g | | 2509 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Young, Angelo | m | | 2358 | PHI | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | 17th Annual Kings Island Open | Mason, Ohio | USA | 2008-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2309 | 2224 | 3.00 | 4 | 1.37 | 15 | 20.55 | |
| | Sadvakasov, Darmen | g | | 2574 | KAZ | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Mueller, Jason L | | | 2196 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Larson, Gerald A | | | 2135 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Bereolos, Peter | f | | 2330 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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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