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Individual Calculations January 2013 |
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| Kalavannan, Koby Total change: -26.55 | |   |
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| The Dicky White Club Tournament Round 1-16 | COULSDON | ENG | 2012-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1730 | 3.00 | 6 | -0.54 | 30 | -16.20 | |
|  Vir, Prashast | | | 1676 | ENG | 0.50 | 1 | -0.08 | 30 | -2.40 | | | Kalaiyalahan, Akshaya | | | 1711 | ENG | 0.00 | 1 | -0.53 | 30 | -15.90 | | | Kane, Frank G | | | 1801 | ENG | 0.50 | 1 | 0.10 | 30 | 3.00 | | | Haridas, Girinath | | | 1741 | ENG | 0.50 | 1 | 0.02 | 30 | 0.60 | | | Warner, Dominic Wj | | | 1570 | ENG | 0.50 | 1 | -0.21 | 30 | -6.30 | |  Bullock, Lee | | | 1444 | ENG | 1.00 | 1 | 0.16 | 30 | 4.80 | |
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) | | | NOTE: K factor changed | | London Chess Classic 2012: Weekend B U1800 | London | ENG | 2012-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1690 | 0.50 | 2 | -0.49 | 15 | -7.35 | |
| | Rallabandi, Praveen Kumar | | | 1793 | ENG | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Crouch, Timothy J | | | 1598 | ENG | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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) | | | NOTE: K factor changed | | Coulsdon Winter Open 2012 | COULSDON | ENG | 2012-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1690 | 0.50 | 3 | -0.20 | 15 | -3.00 | |
| | Hjort, Helge | | | 1956 | DEN | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Coates, David H | | | 2063 | ENG | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Kalaiyalahan, Akshaya | | | 1750 | ENG | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | |
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