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Individual Calculations September 2010 |
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| Katz, Benjamin J Total change: 4.95 | |   |
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| Marshall July Grand Prix | New York, New York | USA | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2106 | 1.00 | 2 | 0.13 | 15 | 1.95 | |
|  Prilleltensky, Matan | | | 2096 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | |  Amori, Michael | | | 2206 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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) | | | | 16th Annual Northeast Open | Stamford, Connecticut | USA | 2010-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2336 | 2106 | 1.00 | 3 | 0.20 | 15 | 3.00 | |
| | Kudrin, Sergey | g | | 2506 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kekelidze, Mikheil | g | | 2487 | GEO | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Ding, Andrew | | | 2014 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | * 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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