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Individual Calculations April 2009 |
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| Kis, Lorand B Total change: 7.95 | |   |
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| 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2181 | 1.50 | 5 | -0.92 | 15 | -13.80 | |
|  Esserman, Marc R | | | 2345 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Saperstein, Craig M | | | 1851 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Molner, Mackenzie | | | 2394 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Yeager, Daniel A | f | | 2336 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Swaminathan, Rahul | | | 1998 | 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 |
| 2310 | 2181 | 2.50 | 3 | 1.45 | 15 | 21.75 | |
| | Lombardy, William | g | | 2442 | USA | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Sarkar, Justin | m | | 2455 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Arluck, William S | | | 2034 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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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