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Individual Calculations September 2009 |
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| Banawa, Joel Total change: 14.55 | |   |
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| 49th Annual Pacific Southwest Open | Los Angeles, California | USA | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2340 | 4.00 | 5 | 0.91 | 15 | 13.65 | |
|  Zhang, Eric R | | | 1940 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Landaw, Julian W | | | 2291 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Matikozyan, Andranik | m | | 2478 | ARM | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Bryant, John Daniel | | | 2335 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Kurosaki, Takashi | | | 2121 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2009 US Junior Championship | Waukesha, Wisconsin | USA | 2009-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2399 | 2340 | 3.00 | 7 | 0.06 | 15 | 0.90 | |
| | Robson, Ray | m | | 2491 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Shankland, Samuel | m | | 2448 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Lenderman, Alex | m | | 2504 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Bercys, Salvijus | m | | 2434 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Liu, Elliott J | f | | 2356 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Coleman, Maxx W | | | 2212 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Lee, Michael | f | | 2347 | USA | 0.00 | 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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