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Individual Calculations March 2012 |
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| Gatica, Jose M Total change: 19.95 | |   |
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| Iowa FIDE Round Robin #2 | Davenport, Iowa | USA | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1948 | 4.00 | 5 | 0.71 | 15 | 10.65 | |
|  Keating, Robert F | | | 2106 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Eichhorn, George S | | | 1722 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Hartmann, John R | | | 1637 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Ellis, James S | | | 1995 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Peralta, Luis M | | | 1548 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * 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) | | | | 2012 Minnesota Open - Premier Section | Minneapolis, Minnesota | USA | 2012-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1948 | 2.00 | 3 | 0.62 | 15 | 9.30 | |
| | Ellis, James S | | | 1995 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Iwu, Okechukwu A | | | 2156 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Zhao, Leighton | | | 1778 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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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