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Individual Calculations September 2009 |
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| Tomczak, Jacek Total change: 48.60 | |   |
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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 |
| 2477 | 2447 | 6.00 | 9 | 1.86 | 10 | 18.60 | |
|  Obrusnik, Michal | | | 2204 | POL | 1.00 | 1 | 0.20 | 10 | 2.00 | |  Byklum, Bjornar | f | | 2320 | NOR | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Malakhatko, Vadim | g | | 2618 | BEL | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Bartel, Mateusz | g | | 2601 | POL | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Tiviakov, Sergei | g | | 2697 | NED | 0.00 | 1 | -0.19 | 10 | -1.90 | | | Panocki, Adrian | | | 2370 | POL | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Grabarczyk, Miroslaw | g | | 2469 | POL | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Olszewski, Michal | g | | 2538 | POL | 1.00 | 1 | 0.62 | 10 | 6.20 | | | Piorun, Kacper | m | | 2476 | POL | 0.50 | 1 | 0.04 | 10 | 0.40 | |
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) | | | | XXIV Miedzynarodowy Turniej im. Tadeusza Gniota | Police | POL | 2009-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2447 | 6.50 | 9 | 0.97 | 10 | 9.70 | |
| | Radwan, Leszek | | | 2146 | POL | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Shilov, Sergej | f | | 2272 | UKR | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Grabarczyk, Bogdan | m | | 2445 | POL | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Shishkin, Vadim | g | | 2507 | UKR | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Panczyk, Krzysztof | m | | 2340 | POL | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Tokarczyk, Tomasz | | | 2153 | POL | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Kalinitschew, Sergey | g | | 2488 | GER | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Cyborowski, Lukasz | g | | 2498 | POL | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Przybylski, Wojciech | f | | 2328 | POL | 1.00 | 1 | 0.34 | 10 | 3.40 | |
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) | | | | XVIII Miêdzynarodowy Festiwal Szachowy - Open A | Poznan | POL | 2009-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2320 | 2447 | 6.00 | 9 | 0.16 | 10 | 1.60 | |
| | Szuminski, Marek | | | 2094 | POL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Scibior, Adam | | | 2179 | POL | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Chojnacki, Krzysztof | m | | 2404 | POL | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Grabarczyk, Miroslaw | g | | 2480 | POL | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Sroczynski, Maciej | | | 2202 | POL | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Shishkin, Vadim | g | | 2507 | UKR | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Plonczak, Dominik | | | 2161 | POL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Sieciechowicz, Marcin | | | 2390 | POL | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Szelag, Marcin | m | | 2466 | POL | 0.50 | 1 | 0.03 | 10 | 0.30 | |
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) | | | | International Chess Festival Kolobrzeg 2009 | Kolobrzeg | POL | 2009-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 2447 | 8.50 | 9 | 1.87 | 10 | 18.70 | |
| | Kramer, Norbert | | | 2047 * | GER | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bukowska, Katarzyna | | | 2047 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Zielinski, Stanislaw | | | 2126 | POL | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Pacuszka, Tomasz | f | | 2284 | POL | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Grabarczyk, Bogdan | m | | 2445 | POL | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Grabarczyk, Miroslaw | g | | 2480 | POL | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Worek, Joanna | | wm | 2232 | POL | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Kobus, Sebastian | | | 2047 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tregubov, Andrei | | | 2407 | RUS | 1.00 | 1 | 0.44 | 10 | 4.40 | | | * 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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