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Individual Calculations January 2009 |
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| Piorun, Kacper Total change: -8.30 | |   |
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| European Youth Chess Championship 2008 - Boys U18 | Herceg Novi | MNE | 2008-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2445 | 5.00 | 9 | -0.62 | 10 | -6.20 | |
|  Posedaru, Bogdan | | | 2244 | ROU | 1.00 | 1 | 0.24 | 10 | 2.40 | |  Burg, Twan | f | | 2359 | NED | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Froewis, Georg | | | 2269 | AUT | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Tereick, Benjamin | f | | 2382 | GER | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Martinovic, Sasa | f | | 2395 | CRO | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Chirila, Ioan Cristian | m | | 2425 | ROU | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Vila Gazquez, Xavier | m | | 2419 | ESP | 0.00 | 1 | -0.54 | 10 | -5.40 | | | Khojayan, Vardan | | | 2286 | ARM | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Volodin, Aleksandr | m | | 2397 | EST | 0.00 | 1 | -0.57 | 10 | -5.70 | |
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) | | | | 24th Voivoda Cup | Legnica | POL | 2008-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2452 | 2472 | 4.50 | 9 | -0.21 | 10 | -2.10 | |
| | Urban, Klaudiusz | m | | 2473 | POL | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Arutinian, David | g | | 2584 | GEO | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Sulypa, Alexandre | g | | 2484 | UKR | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Grabarczyk, Miroslaw | g | | 2516 | POL | 1.00 | 1 | 0.56 | 10 | 5.60 | | | Olszewski, Michal | m | | 2499 | POL | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Sergeev, Vladimir | g | | 2519 | UKR | 0.00 | 1 | -0.43 | 10 | -4.30 | | | Talla, Vladimir | m | | 2394 | CZE | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Wieczorek, Oskar | | | 2267 | POL | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Dobrowolski, Aleksander | | | 2335 | POL | 0.50 | 1 | -0.18 | 10 | -1.80 | |
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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