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Individual Calculations October 2008 |
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| Agarwal, Rohan Total change: -22.90 | |   |
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| 36th Annual World Open (U2400 Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 2196 | 3.50 | 7 | 0.07 | 25 | 1.75 | |
|  Adu, Oladapo O | m | | 2294 | NGR | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Weeramantry, Sunil | f | | 2224 | SRI | 0.50 | 1 | 0.04 | 25 | 1.00 | |  Bryant, Todd C | | | 2020 | USA | 0.00 | 1 | -0.73 | 25 | -18.25 | | | Ellenbogen, Michael | | | 2174 | USA | 0.50 | 1 | -0.03 | 25 | -0.75 | | | Contreras, Henry | f | | 2238 | COL | 1.00 | 1 | 0.56 | 25 | 14.00 | | | Moncayo, Evelyn | | wm | 2182 | ECU | 1.00 | 1 | 0.48 | 25 | 12.00 | | | Tan, Oscar L | | | 2283 | PHI | 0.50 | 1 | 0.12 | 25 | 3.00 | |
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) | | | | 13th Pacific Coast Open | Agoura Hills, California | USA | 2008-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2198 | 1.00 | 4 | -1.01 | 25 | -25.25 | |
| | Aghasaryan, Robert | f | | 2202 | ARM | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Landaw, Julian W | | | 2246 | USA | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Stein, Jeremy A | | | 2098 | USA | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Aigner, Michael | | | 2234 | USA | 0.00 | 1 | -0.45 | 25 | -11.25 | |
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) | | | NOTE: K factor changed | | 2008 CalChess Labor Day Championships | San Francisco, California | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2224 | 2198 | 0.50 | 1 | 0.04 | 15 | 0.60 | |
| | Shipman, Walter J | m | | 2224 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | |
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