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Individual Calculations November 2009 |
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| Pitterson, Jomo Total change: -12.90 | |   |
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| 23rd North American FIDE Invitational | Skokie, Illinois | USA | 2009-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2254 | 3.50 | 9 | -0.86 | 15 | -12.90 | |
|  Vigorito, David | m | | 2400 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Adamson, Robby | f | | 2302 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Lee, Michael | f | | 2347 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Vaja, Ashish | | | 2195 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Fouts, Matthew | | | 2206 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Shankar, Gauri | f | | 2270 | IND | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Arjun, Vishnuvardhan | m | | 2295 | IND | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Velikanov, Alexand | | | 2069 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Betaneli, Alex | f | | 2287 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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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