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Individual Calculations November 2013 |
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| Jiang, Alexander D Total change: 23.25 | |   |
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| 2013 US Class Championship | Houston, Texas | USA | 2013-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 1825 | 1.50 | 4 | 0.78 | 15 | 11.70 | |
|  De Jesus, Jeffrey | | | 2119 | USA | 1.00 | 1 | 0.85 | 15 | 12.75 | |  Calugar, Arthur | m | | 2225 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Chiang, Sarah | | wf | 2076 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Acosta, Mariano A | | | 1975 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | * 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) | | | | 2013 Dallas Open | Richardson, Texas | USA | 2013-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 1831 | 2.50 | 4 | 0.77 | 15 | 11.55 | |
| | Frutos, Cole N | c | | 1611 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Moon, Ryan J | | | 2149 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Chiang, Sarah | | wf | 2102 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Ahmed, Zakir | | | 1719 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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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