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Individual Calculations March 2010 |
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| Stopa, Jacek Total change: -7.80 | |   |
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| 2009 Pan American Intercollegiate Team Chess Championship | South Padre Island, Texas | USA | 2009-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2493 | 2.50 | 4 | -0.49 | 10 | -4.90 | |
|  Ortiz, Nadya K. | | wm | 2211 | COL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Schwarz, Daniel W | | | 2232 | USA | 0.00 | 1 | -0.82 | 10 | -8.20 | |  Selzler, Ricky | | | 2193 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Flores, Mauricio | g | | 2510 | CHI | 0.50 | 1 | 0.02 | 10 | 0.20 | |
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) | | | | Enea Mistrzostwa Polski w Szachach | Warszawa | POL | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2497 | 2494 | 3.50 | 9 | -0.98 | 10 | -9.80 | |
| | Markowski, Tomasz | g | | 2629 | POL | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Socko, Bartosz | g | | 2643 | POL | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Leniart, Arkadiusz | m | | 2439 | POL | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Gajewski, Grzegorz | g | | 2568 | POL | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Olszewski, Michal | g | | 2562 | POL | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Bulski, Krzysztof | f | | 2416 | POL | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Gumula, Daniel | f | | 2312 | POL | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Hnydiuk, Aleksander | m | | 2432 | POL | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Swiercz, Dariusz | g | | 2474 | POL | 0.00 | 1 | -0.53 | 10 | -5.30 | |
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) | | | | 2010 Southwest Collegiate Championships | Dallas, Texas | USA | 2010-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2494 | 4.00 | 5 | 0.69 | 10 | 6.90 | |
| | Morales, Luciana | | wm | 2193 | PER | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Green, Austen | | | 2094 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gareev, Timur | g | | 2590 | UZB | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Bachmann, Axel | g | | 2553 | PAR | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Vedrickas, Tautvyd | | | 2298 | LTU | 1.00 | 1 | 0.25 | 10 | 2.50 | | | * 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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