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Individual Calculations April 2013 |
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| Bartell, Thomas Total change: -7.50 | |   |
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| 14th Annual Pittsburgh Open | Pittsburgh, Pennsylvania | USA | 2013-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2349 | 2380 | 0.00 | 2 | -1.07 | 10 | -10.70 | |
|  Shabalov, Alexander | g | | 2557 | USA | 0.00 | 1 | -0.27 | 10 | -2.70 | |  Bora, Safal | | | 2140 | USA | 0.00 | 1 | -0.80 | 10 | -8.00 | |
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) | | | | 35th Annual Marchand Open | Rochester, New York | USA | 2013-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2327 | 2380 | 2.50 | 4 | 0.32 | 10 | 3.20 | |
| | Hiltunen, James | | | 1980 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Izoria, Zviad | g | | 2583 | USA | 0.50 | 1 | 0.26 | 10 | 2.60 | | | Aaron, Deepak | | | 2257 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Kekelidze, Mikheil | g | | 2488 | GEO | 0.00 | 1 | -0.35 | 10 | -3.50 | | | * 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) | | |
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