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Individual Calculations September 2009 |
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| Ng, Gary K W Total change: 12.00 | |   |
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| 3rd Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2321 | 2085 | 3.50 | 8 | 1.71 | 15 | 25.65 | |
|  Hansen, Eric | f | | 2398 | CAN | 0.50 | 1 | 0.36 | 15 | 5.40 | |  Tuhrim, Richard J | | | 2022 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Studen, Damir | | | 2208 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Mulyar, Michael A | m | | 2390 | USA | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Cheng, Bindi | f | | 2361 | CAN | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Bradford, Joseph M | m | | 2419 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Naroditsky, Daniel | f | | 2335 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Bellaiche, Anthony | m | | 2435 | FRA | 0.50 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2085 | 3.00 | 8 | -0.51 | 15 | -7.65 | |
| | Madsen, Dag | f | | 2282 | NOR | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Mackinnon, Keith | | | 2145 | CAN | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Hortillosa, Andres | | | 2143 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Daly, Troy | | | 2125 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Fink Jr, Stanley W | | | 2148 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Wright, William B | | | 2186 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Aaron, Deepak | | | 2077 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Finney, Stuart S | | | 1939 | USA | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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) | | | | 2009 China Men's Individual Championship Group B | Zhuhai | CHN | 2009-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2410 | 2085 | 0.00 | 3 | -0.40 | 15 | -6.00 | |
| | Lou, Yiping | | | 2406 | CHN | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Gao, Rui | | | 2485 * | CHN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Yu, Lie | | | 2340 | CHN | 0.00 | 1 | -0.19 | 15 | -2.85 | | | * 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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