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Individual Calculations January 2010 |
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| Grigoryan, Avetik Total change: 19.30 | |   |
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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 |
| 2494 | 2515 | 8.50 | 13 | 1.69 | 10 | 16.90 | |
|  Catelli, Hernan | | | 2200 | ARG | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Bajarani, Ulvi | f | | 2392 | AZE | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Potapov, Pavel | m | | 2429 | RUS | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Macias Murillo, Bryan | f | | 2363 | ECU | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Howell, David W L | g | | 2624 | ENG | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Popov, Ivan | g | | 2582 | RUS | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Blit, Jacques | | | 2350 | ARG | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Andreikin, Dmitry | g | | 2659 | RUS | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Cori, Jorge | m | | 2445 | PER | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Li, Chao B | g | | 2617 | CHN | 1.00 | 1 | 0.64 | 10 | 6.40 | | | Iturrizaga, Eduardo | g | | 2605 | VEN | 1.00 | 1 | 0.62 | 10 | 6.20 | | | Zhigalko, Sergei | g | | 2646 | BLR | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Yu, Yangyi | g | | 2509 | CHN | 0.50 | 1 | -0.01 | 10 | -0.10 | |
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) | | | | 3rd International Sardaran Cup Chess Tournament | Urmia | IRI | 2009-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2320 | 2515 | 6.00 | 8 | 0.24 | 10 | 2.40 | |
| | Khoshkalamian, B | | | 2116 | IRI | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Mammadov, Ayaz Arzu Oglu | f | | 2311 | AZE | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Shamsi, Mohammadhossein | | | 2144 | IRI | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Mahjoob, Morteza | g | | 2510 | IRI | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Nikbin, Saeed | | | 2115 * | IRI | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Golizadeh, Asghar | f | | 2406 | IRI | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Chighladze, Iveri | m | | 2414 | GEO | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Abbasoviani, Farid | g | | 2542 | AZE | 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) | | |
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