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Individual Calculations September 2019 |
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| Perruchoud, Pierre Total change: -19.80 | |   |
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| Open Int. de Martigny 2019 | Martigny | SUI | 2019-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1958 | 4.00 | 7 | -0.99 | 20 | -19.80 | |
|  Coletta, Julien | | | 1558 * | SUI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ravi, Teja S. | m | | 2358 * | IND | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Retti, Marco | | | 1703 | SUI | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Viviani, Mario | | | 1724 | SUI | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Bonvin, Claude-Alain | | | 1558 * | SUI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bussa, Paolo | | | 1801 | ITA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Putallaz, Jean-Christophe | | | 1756 | SUI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | * 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) | | |
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