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Individual Calculations December 2012 |
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| Ostrovskiy, Aleksandr A Total change: -0.60 | |   |
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| 2012 MCC October Grand Prix | New York, New York | USA | 2012-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 2377 | 1.00 | 2 | -0.79 | 15 | -11.85 | |
|  Lim, Matthew | | | 1977 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Lim, Michael | c | | 2055 | USA | 0.00 | 1 | -0.87 | 15 | -13.05 | | | * 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) | | | | 43rd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2339 | 2382 | 3.50 | 5 | 0.75 | 15 | 11.25 | |
| | Giannatos, Peter Lukas | | | 2085 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Krause, Benjamin W | | | 2207 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Lenderman, Aleksandr | g | | 2614 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Mabe, Chris J | | | 2254 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Huschenbeth, Niclas | g | | 2536 | GER | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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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