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Individual Calculations May 2011 |
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| Tuhrim, Richard J Total change: 43.05 | |   |
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| 2011 World Amateur Team & US Team East | Parsippany, New Jersery | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2123 | 2.00 | 2 | 1.15 | 15 | 17.25 | |
|  Fang, Joseph H | m | | 2316 | USA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Colas, Joshua | | | 2049 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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) | | | | Marshall Chess Club FIDE Mondays - 2011 | New York, New York | USA | 2011-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2123 | 2.50 | 4 | 0.61 | 15 | 9.15 | |
|  Widmaier, Marc | | | 2076 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Pressman, Leif A | | | 2167 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Hoffmann, Asa | f | | 2305 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Kopiecki, Edward P | | | 2033 | USA | 0.50 | 1 | -0.12 | 15 | -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) | | | | 2011 Marshall April Grand Prix | New York, New York | USA | 2011-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2130 | 1.00 | 2 | 0.03 | 15 | 0.45 | |
| | Pressman, Leif A | | | 2198 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Kats, Alena | | | 2085 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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) | | | | 2nd Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2316 | 2130 | 3.00 | 7 | 1.08 | 15 | 16.20 | |
| | Miller, Jake S | | | 2033 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Aliyev, Timur | | | 2280 | ISR | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Yang, Darwin | f | | 2416 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Figler, Ilye | m | | 2299 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Rentala, Nagendra | | | 2314 | IND | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Milman, Lev | m | | 2462 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Holt, Conrad | f | | 2408 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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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