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Individual Calculations April 2009 |
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| Swaminathan, Rahul K Total change: 39.00 | |   |
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| 4th Annual Empire State Open | Saratoga Springs, New York | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 1998 | 2.50 | 5 | 1.06 | 15 | 15.90 | |
|  Finney, Stuart S | | | 1883 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Taylor, Steven A | | | 2230 | USA | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Wang, Eigen | | | 2166 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Arkell, Keith C | g | | 2348 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Enkin, Max | | | 2259 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 1998 | 3.00 | 5 | 1.40 | 15 | 21.00 | |
| | Fayvinov, Zakhar | f | | 2181 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Pinkerton, James C | | | 2078 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Sherman, David | | | 2142 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Terrie, Henry L | | | 2085 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Kis, Lorand B | | | 2181 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2269 | 1998 | 0.50 | 2 | 0.14 | 15 | 2.10 | |
| | Braylovskiy, Grigo | | | 2348 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sena, Juan O | | | 2189 | DOM | 0.50 | 1 | 0.25 | 15 | 3.75 | |
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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