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Individual Calculations January 2013 |
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| Rallabandi, Praveen Kumar Total change: -28.20 | |   |
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| London Chess Classic 2012: Open | London | ENG | 2012-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1793 | 0.00 | 5 | -1.53 | 30 | -45.90 | |
|  Iwanow, Anna | | wm | 2188 | POL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Calvert, D Ian | | | 1999 | ENG | 0.00 | 1 | -0.24 | 30 | -7.20 | | | Wan Nawawi, Wan Mohd Fazli | | | 2001 | MAS | 0.00 | 1 | -0.23 | 30 | -6.90 | |  Millward, Kevin P | | | 1969 | ENG | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Miu, Marinel | | | 1631 | ROU | 0.00 | 1 | -0.71 | 30 | -21.30 | |
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) | | | | London Chess Classic 2012: Weekend B U1800 | London | ENG | 2012-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1793 | 2.50 | 3 | 0.59 | 30 | 17.70 | |
| | Kalavannan, Koby | | | 1690 | ENG | 1.00 | 1 | 0.36 | 30 | 10.80 | | | Falasca, Marco | | | 1583 | ITA | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Wright, Jonathan | | | 1792 | ENG | 0.50 | 1 | 0.00 | 30 | 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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