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Individual Calculations November 2011 |
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| Gurevich, Dmitry Total change: -4.70 | |   |
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| 2011 Illinois Open Championship | Oak Brook, Illinois | USA | 2011-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2480 | 3.00 | 4 | -0.17 | 10 | -1.70 | |
|  Villarreal, Brian | | | 2080 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Liang, Awonder | | | 2080 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Amanov, Mesgen | g | | 2541 | TKM | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Gurczak, John | | | 2100 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | * 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) | | | | 20th Annual Midwest Class Championships | Wheeling, Illinois | USA | 2011-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2340 | 2480 | 3.00 | 5 | -0.30 | 10 | -3.00 | |
| | Ding, Jialin | | | 2195 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Iwu, Okechukwu A | | | 2178 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Kolev, Atanas I | g | | 2591 | BUL | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Ni, Viktorija | | wm | 2214 | LAT | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Mitkov, Nikola | g | | 2523 | MKD | 0.50 | 1 | 0.06 | 10 | 0.60 | |
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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