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Individual Calculations January 2013 |
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| Ortiz, Eduardo Total change: 0.15 | |   |
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| 48th Annual American Open | Orange, California | USA | 2012-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2369 | 2272 | 1.50 | 4 | 0.01 | 15 | 0.15 | |
|  Peters, Jack | m | | 2355 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | |  Yankovsky, Roman | m | | 2474 | RUS | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Banawa, Joel | f | | 2354 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Landaw, Julian | f | | 2294 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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