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Individual Calculations September 2009 |
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| Lahiri, Atanu Total change: 18.30 | |   |
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| 4th Polonia Wroclaw's Tournament - Open A | Wroclaw | POL | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2332 | 5.00 | 9 | -0.56 | 10 | -5.60 | |
|  Wierzbicka, Wiktoria | | | 2033 | POL | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Socko, Monika | g | wg | 2456 | POL | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Kowalczyk, Pawel | | | 2160 | POL | 0.00 | 1 | -0.73 | 10 | -7.30 | | | Baumann, Dariusz | | | 2106 | POL | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Drozdowski, Kacper | | | 2073 | POL | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Krupa, Monika | | wg | 2227 | POL | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Swiercz, Dariusz | g | | 2492 | POL | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Rajlich, Iweta | m | wg | 2424 | POL | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Dubinski, Mateusz | | | 2149 | POL | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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) | | | | 4th Lubawka Gate - Open A | Lubawka | POL | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2332 | 6.00 | 9 | 0.77 | 10 | 7.70 | |
| | Koscielny, Edmond | | | 1982 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Sharapov, Evgeny | m | | 2466 | UKR | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Shishkin, Vadim | g | | 2498 | UKR | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Malisauskas, Vidmantas | g | | 2459 | LTU | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Jurkowski, Marcin | | | 1982 | POL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Hajnrych, Jakub | | | 1984 | POL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Stepinski, Stanislaw | | | 1992 | POL | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Sergeev, Vladimir | g | | 2479 | UKR | 1.00 | 1 | 0.70 | 10 | 7.00 | | | Aliavdin, Nikolai | m | | 2365 | BLR | 0.50 | 1 | 0.05 | 10 | 0.50 | |
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) | | | | Ikaros Chess Festival 2009 | 2009 Aegean Open Championship | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2361 | 5.50 | 8 | 0.50 | 10 | 5.00 | |
| | Stoumbou, Eleni | | | 1961 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Rej, Dennis | | | 2179 | DEN | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Vorobiov, Evgeny E | g | | 2598 | RUS | 0.50 | 1 | 0.30 | 10 | 3.00 | | | Mista, Aleksander | g | | 2568 | POL | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Vrublevskaya, Olga | | wm | 2100 | RUS | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Levushkina, Elena | | wg | 2239 | GER | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Tsifanskaya, Ludmila A | | wm | 2113 | ISR | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Nikolaou, Georgios | | | 2281 | GRE | 1.00 | 1 | 0.39 | 10 | 3.90 | | | * 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) | | | | Czech Open 2009 A - Pardubice Open | Pardubice | CZE | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2361 | 5.00 | 9 | 0.47 | 10 | 4.70 | |
| | Denisov, Ivan | | | 2192 | RUS | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Folk, Petr | | | 2210 | CZE | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Chernyshov, Konstantin | g | | 2555 | RUS | 1.00 | 1 | 0.75 | 10 | 7.50 | | | Potapov, Alexander | g | | 2461 | RUS | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Gasanov, Eldar | g | | 2536 | UKR | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Haba, Petr | g | | 2533 | CZE | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Ruecker, Benjamin | | | 2258 | GER | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Furman, Boris | f | | 2224 | RUS | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Ruckschloss, Karol | f | | 2259 | SVK | 1.00 | 1 | 0.36 | 10 | 3.60 | |
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) | | | | Olomouc Chess Summer 2009 - IM A - Proclient Cup | Olomouc | CZE | 2009-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2361 | 6.00 | 9 | 0.65 | 10 | 6.50 | |
| | Chlost, Marlena | | wf | 2148 | POL | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Masse, Hugues | | | 2220 | CAN | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Bracker, Frank | | | 2280 | GER | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Tuma, Jiri | f | | 2288 | CZE | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Oparin, Grigoriy | f | | 2350 | RUS | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Bejtovic, Jasmin | f | | 2307 | BIH | 0.00 | 1 | -0.58 | 10 | -5.80 | | | Johansson, Jan | m | | 2437 | SWE | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Chetverik, Maxim | m | | 2354 | RUS | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Vrana, Jan | | | 2236 | CZE | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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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