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Individual Calculations January 2011 |
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| Petrovski, Igor Total change: 13.05 | |   |
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| World Youth Chess Championships 2010 - Open under 16 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2152 | 5.50 | 9 | -0.46 | 15 | -6.90 | |
|  Krzyzanowski, Marcin | | | 2356 | POL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Ballas, Kleon-Evangelos | | | 1933 | GRE | 0.00 | 1 | -0.78 | 15 | -11.70 | |  Bisi, Samuele | | | 1829 | ITA | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Adeimi, Michel | | | 1901 | LIB | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Ronka, Erik | | | 1995 | FIN | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Sakai, Hibiki | | | 1983 | JPN | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Kulpruthanon, Thanadon | | | 1956 | THA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Lapidus, Mark | | | 1976 | EST | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Meskovs, Nikita | | | 2263 | LAT | 1.00 | 1 | 0.65 | 15 | 9.75 | |
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) | | | | XXIII Belgrade Trophy 2010 | Belgrade, Obrenovac | SRB | 2010-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2152 | 4.00 | 8 | 1.33 | 15 | 19.95 | |
| | Sahovic, Rastko | | | 1752 * | SRB | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Pancevski, Filip | m | | 2403 | MKD | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Cabrilo, Goran | g | | 2450 | SRB | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Djokic, Nenad | f | | 2365 | SRB | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Ravic, Nenad | | | 2287 | SRB | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Vujacic, Borivoje | f | | 2306 | SRB | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Savicevic, Vlatko | | | 2348 | SRB | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Veleski, Robert | | | 2282 | MKD | 0.00 | 1 | -0.32 | 15 | -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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