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Individual Calculations January 2010 |
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| Sturt, Raven M Total change: 31.50 | |   |
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| 2nd Annual "What-A-Turkey" Open | New York, New York | USA | 2009-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2068 | 2.00 | 3 | 0.60 | 15 | 9.00 | |
|  Margiotta, Jason J | | | 1992 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | |  Lenderman, Alex | m | | 2468 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Winter, Curtis A | | | 1905 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | * 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) | | | | 40th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2248 | 2068 | 3.00 | 5 | 1.50 | 15 | 22.50 | |
| | Pinkerton, James C | | | 2033 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Ravichandran, Siddharth | | | 2422 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bartell, Thomas | f | | 2382 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Schoch, Ian D | | | 2032 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Bonin, Jay | m | | 2370 | USA | 1.00 | 1 | 0.85 | 15 | 12.75 | |
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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