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Individual Calculations September 2015 |
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| Iyengar, Ilya Total change: -58.60 | |   |
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| 102nd British Chess Championships Major Open | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 2049 | 5.00 | 9 | -2.03 | 20 | -40.60 | |
|  Batchelor, Guy J | | | 1855 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Mahoney, Nicholas | | | 1753 | ENG | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Bennett, Rhys | | | 1802 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Whitehead, Mark A | | | 2005 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Pink, Joshua | | | 1826 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Gallagher, Daniel Gh | | | 1902 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Davis, Holden | | | 1704 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Clayton, Tristan | | | 1740 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Herring, Samuel | | | 1773 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | 102nd British Chess Championships Week 1 AM Open | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 2049 | 0.50 | 1 | -0.28 | 20 | -5.60 | |
| | Schmerwitz, Reinhard | | | 1829 | GER | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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) | | | | 102nd British Chess Championships Week 2 AM Open | Coventry | ENG | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 2049 | 2.50 | 4 | 0.22 | 20 | 4.40 | |
| | Graham, William M | | | 1916 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Jeffries, Majid | | | 1987 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Moore, Graham J | | | 2100 | ENG | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Wells, Jonathan C | | | 1994 | ENG | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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) | | | | 31st Hampstead Weekend Congress: Under 2200 | London | ENG | 2015-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 2049 | 3.00 | 5 | -0.84 | 20 | -16.80 | |
| | Bryant, Jon | | | 1862 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Head, Louise | | | 1912 | ENG | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Chapman, Nigel | | | 1744 | SCO | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Hinterreither, Nikolai | | | 1722 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Sagues, Vincent | | | 1904 | FRA | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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