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Individual Calculations January 2010 |
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| Lenderman, Alex Total change: 14.10 | |   |
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| World Junior Championships U20 (Boys) | Puerto Madryn, Chubut | ARG | 2009-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2457 | 2542 | 9.00 | 13 | 1.11 | 10 | 11.10 | |
|  Maenhout, Thibaut | f | | 2303 | BEL | 0.50 | 1 | -0.30 | 10 | -3.00 | |  Garnelis, Julius | | | 2228 | LTU | 0.50 | 1 | -0.36 | 10 | -3.60 | | | Lovik, Lasse Ostebo | f | | 2320 | NOR | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Tristan, Leonardo | m | | 2412 | ARG | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Blit, Jacques | | | 2350 | ARG | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Swiercz, Dariusz | g | | 2492 | POL | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Ibarra Chami, Luis Fernando | m | | 2393 | MEX | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Li, Chao B | g | | 2617 | CHN | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Gundavaa, Bayarsaikhan | | | 2477 | MGL | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Vocaturo, Daniele | g | | 2510 | ITA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Vachier-Lagrave, Maxime | g | | 2718 | FRA | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Bindrich, Falko | g | | 2516 | GER | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Iturrizaga, Eduardo | g | | 2605 | VEN | 1.00 | 1 | 0.59 | 10 | 5.90 | |
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 "What-A-Turkey" Open | New York, New York | USA | 2009-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2254 | 2546 | 3.50 | 4 | 0.28 | 10 | 2.80 | |
| | Berg, George P | | | 2146 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Sturt, Raven M | | | 2146 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Perez-Billinghurst, Ricardo | | | 2146 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kudrin, Sergey | g | | 2577 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | | | * 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) | | | | 40th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2427 | 2546 | 2.00 | 3 | 0.02 | 10 | 0.20 | |
| | Ravichandran, Siddharth | | | 2422 | IND | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Smith, Bryan G | m | | 2463 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Molner, Mackenzie | | | 2397 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | |
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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