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Individual Calculations April 2009 |
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| David, Alberto Total change: -15.60 | |   |
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| Open de International Rouen | Rouen | FRA | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2313 | 2586 | 5.50 | 7 | -0.23 | 10 | -2.30 | |
|  Debussy, Nicolas | | | 2236 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Heranval, Jacky | | | 2236 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Song, Julien | | | 2248 | FRA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Colin, Vincent | m | | 2421 | FRA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Andonov, Bogomil | m | | 2328 | BUL | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Medghoul, Sherif | | | 2236 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Libiszewski, Fabien | m | | 2487 | FRA | 0.50 | 1 | -0.14 | 10 | -1.40 | |
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) | | | | BC Chess Master | Bois Colombes | FRA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2586 | 4.50 | 6 | -0.37 | 10 | -3.70 | |
| | Chitrit, Norbert | | | 2236 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Rabineau, Clement | | | 2260 | FRA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Van Dongen, Patrick | f | | 2336 | FRA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Okhotnik, Vladimir | m | | 2445 | FRA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Nguyen, Chi-Minh | m | | 2421 | FRA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Milanovic, Dino | | | 2236 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | 1er Grand prix de l'Essonne (1e etape) - MI | Orsay | FRA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2314 | 2603 | 7.00 | 9 | -0.53 | 10 | -5.30 | |
| | Debray, Christopher | f | | 2350 | FRA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Guilleux, Fabien | f | | 2303 | FRA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Song, Julien | | | 2271 | FRA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Moussard, Jules | f | | 2274 | FRA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Lavabre, Fabien | | | 2253 | FRA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Hindermann, Felix | f | | 2305 | SUI | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Todorov, Todor | g | | 2507 | BUL | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Maisuradze, Nino | | wm | 2308 | FRA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Rosenthal, Jonathan | | | 2253 | SUI | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | 25e open international de Cappelle | Cappelle la Grande | FRA | 2009-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2435 | 2603 | 6.00 | 9 | -0.43 | 10 | -4.30 | |
| | Spirin, Oleg | m | | 2438 | RUS | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Rychagov, Andrey | g | | 2514 | RUS | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Akesson, Ralf | g | | 2480 | SWE | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Le Roux, Jean-Pierre | m | | 2491 | FRA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Zdebskaja, Natalia | | wg | 2428 | UKR | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Heberla, Bartlomiej | g | | 2500 | POL | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Pruess, David | m | | 2422 | USA | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Bok, Benjamin | | | 2277 | NED | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Koepke, Christian | f | | 2368 | GER | 1.00 | 1 | 0.21 | 10 | 2.10 | |
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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