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Individual Calculations September 2017 |
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| Derakhshani, Borna Total change: 9.80 | |   |
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| Lucerne Open 2017 | Lucerne | SUI | 2017-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2283 | 3.50 | 6 | 0.33 | 20 | 6.60 | |
|  Jenal, Juerg | | | 2049 | SUI | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Deuber, Roman | | | 2010 | SUI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Kovac, Lubomir | | | 2256 | SVK | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Filipovic, Branko | m | | 2418 | SUI | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Tugui, Adrian | | | 2365 | ROU | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Cioara, Andrei-Nestor | m | | 2430 | ROU | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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) | | | | 7th Gibraltar Junior International Junior Chess Festival Under 16 | Gibraltar | ENG | 2017-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 2283 | 5.50 | 6 | 0.16 | 20 | 3.20 | |
| | Svetic, Matija | | | 1883 * | SWE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Smith, Callum | | | 1908 | SCO | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Forster, Matthew | | | 1971 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Holton, Jake | | | 1918 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Perez Beltran, Salvador | | | 1908 | ESP | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Zrikem, Nassim | c | | 1997 | MAR | 0.50 | 1 | -0.34 | 20 | -6.80 | | | * 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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