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Individual Calculations May 2012 |
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| Tatum, Kofi Odell Total change: 22.65 | |   |
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| 17th Metropolitan Chess FIDE Qualifier | Los Angeles, California | USA | 2012-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 2045 | 3.50 | 4 | 1.06 | 15 | 15.90 | |
|  Kim, Willis A | | | 1939 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Viswanadha, Kesav | | | 1987 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | |  Liao, Simone | | wf | 1844 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Nita, Marian N | | | 2071 | 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) | | | | 17th Metropolitan Chess FIDE Invitational | Los Angeles, California | USA | 2012-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2277 | 2045 | 2.50 | 9 | 0.45 | 15 | 6.75 | |
| | Amanov, Zhanibek | m | | 2404 | KAZ | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Duckworth, William | f | | 2317 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Matikozyan, Andranik | m | | 2409 | ARM | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Kameswaran, Visweswaran | f | | 2281 | IND | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Clawitter, Craig | | | 2097 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Yankovsky, Roman | m | | 2438 | RUS | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Sevian, Samuel | | | 2223 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Akopian, Robert | | | 2077 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Casella, Michael | f | | 2248 | USA | 0.00 | 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) | | |
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