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Individual Calculations August 2015 |
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| Yearwood, Sean Total change: -47.60 | |   |
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| Nationals Championships 2015 Tobago Preliminaries | Scarbrough | TTO | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1664 | 0.50 | 3 | -0.39 | 40 | -15.60 | |
|  James, Keevin | | | 1876 | TTO | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Yearwood, Shannon | | | 1607 | TTO | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Johnson, Joshua | f | | 2064 * | TTO | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Festival Panamericano de la Juventud U-12 Absoluto | Cali | COL | 2015-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1664 | 2.50 | 4 | -0.80 | 40 | -32.00 | |
|  Espitia Torres, Mateo | | | 1385 | CRC | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Mayta Aiza, Vicmar | | | 1319 | BOL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Ugarelli, Leonardo | | | 1449 | PER | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Moreno Viteri, Oscar | | | 1425 | ECU | 0.50 | 1 | -0.30 | 40 | -12.00 | |
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) | | |
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