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Individual Calculations September 2011 |
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| Stevens, Tristan Total change: 24.90 | |   |
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| Commonwealth and South African Open 2011 | Johannesburg | RSA | 2011-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2087 | 2.00 | 6 | -1.22 | 15 | -18.30 | |
|  Barrish, Daniel | | | 1687 * | RSA | 0.50 | 1 | -0.42 | 15 | -6.30 | |  Bornheim, Craig | | | 1806 | RSA | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Makoto, Rodwell | | | 2166 | ZIM | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Crismann, Alessandro Claudio | f | | 1823 | RSA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Tania, Sachdev | m | wg | 2416 | IND | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Prathamesh, Sunil Mokal | m | | 2405 | IND | 0.00 | 1 | -0.13 | 15 | -1.95 | | | * 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) | | | | Torneo Escalerilla Primera Categoria Club de Ajedrez Chile 2011 | Santiago | CHI | 2011-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 2103 | 3.00 | 5 | -0.41 | 15 | -6.15 | |
| | Poblete Rojas, Pablo | | | 1926 | CHI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Villa Cerda, Jose Alejandro | | | 2059 | CHI | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Ulloa Bustos, Juan | | | 2005 | CHI | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Matamala Pradenas, Emiliano | | | 1807 | CHI | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Bartolini Rojas, Claudio | | | 2002 | CHI | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | PRIMER TORNEO OPEN IRT AJEFECH FUNDACION | Santiago | CHI | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 2103 | 6.50 | 8 | 3.29 | 15 | 49.35 | |
| | Aguirre Contreras, Cristian Rod | | | 1747 | CHI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Diaz Villagran, Robert | f | | 2333 | CHI | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Montero Martinez, Cristhian | f | | 2199 | CHI | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Hernandez Riera, Jose De Jesus | f | | 2220 | CHI | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Farfan Ortiz, Enrique Alfredo | | | 2268 | CHI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Caceres Vasquez, Sergio | f | | 2177 | CHI | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Perez Gormaz, Matias | | | 2177 | CHI | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Carrasco Miranda, Andres | | | 2235 | CHI | 1.00 | 1 | 0.68 | 15 | 10.20 | |
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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