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Individual Calculations January 2009 |
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| Robson, Ray Total change: -10.80 | |   |
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| 2008 China Team Championships Group B | Zhengzhou | CHN | 2008-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2409 | 2441 | 2.50 | 5 | -0.21 | 10 | -2.10 | |
|  Wang, Zili | g | | 2501 | CHN | 0.50 | 1 | 0.08 | 10 | 0.80 | |  Cheng, Xinkai | | | 2358 | CHN | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Wu, Shaobin | g | | 2455 | SIN | 0.00 | 1 | -0.48 | 10 | -4.80 | | | Yang, Kaiqi | | | 2366 | CHN | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Wu, Xibin | f | | 2367 | CHN | 1.00 | 1 | 0.40 | 10 | 4.00 | |
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) | | | | 2008 Men's China Championship Group B | Zhengzhou | CHN | 2008-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2330 | 2441 | 4.50 | 9 | -1.31 | 10 | -13.10 | |
| | Wu, Bin | | | 2190 | CHN | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Lou, Yiping | | | 2365 | CHN | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Wu, Xibin | f | | 2367 | CHN | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Ji, Dan | | | 2286 | CHN | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Yu, Yangyi | | | 2390 | CHN | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Li, Shilong | g | | 2503 | CHN | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Xu, Hanbing | | | 2308 | CHN | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Yu, Ruiyuan | | | 2261 | CHN | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Jia, Haoxiang | | | 2303 | CHN | 0.50 | 1 | -0.19 | 10 | -1.90 | |
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) | | | | Essent Open | Hoogeveen | NED | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2456 | 2466 | 5.00 | 9 | 0.54 | 10 | 5.40 | |
| | Van Der Leest, Bert | | | 2146 | NED | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Mostertman, Milan | | | 2116 | NED | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Romanishin, Oleg M | g | | 2532 | UKR | 1.00 | 1 | 0.59 | 10 | 5.90 | | | Ernst, Sipke | g | | 2576 | NED | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Fier, Alexandr | g | | 2581 | BRA | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Mekhitarian, Krikor Sevag | m | | 2511 | BRA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Ulibin, Mikhail | g | | 2521 | RUS | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Nijboer, Friso | g | | 2539 | NED | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Gupta, Abhijeet | g | | 2580 | IND | 0.00 | 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) | | | | 2008 Pan American - Continental Championships | Boca Raton, Florida | USA | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2327 | 2466 | 6.00 | 9 | -0.10 | 10 | -1.00 | |
| | Xanthos, Constantine | | | 2196 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Pena, Alfredo | f | | 2309 | COL | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Ivanov, Alexander | g | | 2547 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Kleiman, Jake | f | | 2315 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Santarius, Erik F | | | 2213 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Borda, Alan | f | | 2320 | BOL | 1.00 | 1 | 0.30 | 10 | 3.00 | | | La Rota, Fabio | f | | 2252 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Figler, Ilye | f | | 2322 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Matsuura, Everaldo | m | | 2469 | BRA | 0.50 | 1 | 0.00 | 10 | 0.00 | |
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) | | |
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