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Individual Calculations September 2009 |
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| Chan, Julian M Total change: 2.70 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2080 | 4.50 | 9 | 0.80 | 15 | 12.00 | |
|  Dzera, Victor | | | 2200 | CAN | 0.00 | 1 | -0.34 | 15 | -5.10 | |  Hook, William E | | | 2009 | IVB | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Filipovich, David | | | 2181 | CAN | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Wright, William B | | | 2186 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Collier, Philip M | | | 2106 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Cooke, Eric N | | | 2204 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Shvartsman, Andrew | | | 2057 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Studen, Damir | | | 2208 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Erdei, Andras A | | | 2159 | HUN | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | 15th Annual Northeast Open | Stamford, Connecticut | USA | 2009-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 2080 | 0.00 | 1 | -0.62 | 15 | -9.30 | |
| | Kats, Alena | | | 1989 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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