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Individual Calculations July 2011 |
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| Pressman, Leif Total change: 49.80 | |   |
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| 2° LUCOPEN - Tournoi International d'échecs de Lille | LILLE | FRA | 2011-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 2198 | 6.00 | 9 | 0.92 | 15 | 13.80 | |
|  Matthews, Adrian M S | | | 1909 | ENG | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Pogorelov, Ruslan | g | | 2430 | UKR | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Vandemeulebrouck, Renaud | | | 1930 | FRA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Solodovnichenko, Yuri | g | | 2577 | UKR | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Warkentin, Jurgen | | | 1932 | FRA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Timmermans, Eric | | | 1852 | FRA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Smirnov, Artem | m | | 2425 | RUS | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Manet, Eric | | | 1964 | FRA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Daurelle, Herve | | | 2268 | FRA | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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) | | | | 2011 Marshall May Grand Prix | New York, New York | USA | 2011-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2230 | 2.00 | 3 | 0.48 | 15 | 7.20 | |
| | Treger, Yefim | | | 2181 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Kekelidze, Mikheil | g | | 2463 | GEO | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Berg, George P | | | 2047 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | The New Yorker Open - Open Section | New York, New York | USA | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2294 | 2230 | 4.00 | 7 | 1.01 | 15 | 15.15 | |
| | Kudrin, Sergey | g | | 2543 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Korley, Kassa | f | | 2292 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Marshall, Abby S | | wf | 2138 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Barrett, Steve J | | | 2212 | ENG | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Prilleltensky, Matan | | | 2100 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Molner, Mackenzie | m | | 2464 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Bonin, Jay | m | | 2310 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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 New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2316 | 2230 | 4.50 | 9 | 0.91 | 15 | 13.65 | |
| | Ivanov, Alexander | g | | 2549 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Leve, Nitai D | | | 2131 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Herman, Matthew J | | | 2437 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Colas, Joshua | | | 2040 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Vitoux, Colomban | m | | 2435 | FRA | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Lapshun, Yury | m | | 2442 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Kekelidze, Mikheil | g | | 2463 | GEO | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Bodek, Michael H | | | 2180 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Williams, Justus D | | | 2167 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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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