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Individual Calculations September 2015 |
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| Ai, Farshad Total change: 10.80 | |   |
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| 102nd British Chess Championships Under 180 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1922 | 3.00 | 4 | 0.35 | 20 | 7.00 | |
|  Brown, Geoffrey M | | | 1726 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Raghavendra, Mahima | | | 1522 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Malik, Faraz | | | 1893 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Burke, Mitchell R | | | 1966 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | * 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) | | | | 102nd British Chess Championships Week 1 PM Open | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1922 | 3.50 | 5 | 0.11 | 20 | 2.20 | |
| | Jayawarna, Nugith | | | 1720 | ENG | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Balouka Myers, Gabriel | | | 1656 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Foster, Timothy | | | 1598 | ENG | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Gartside, Carl | | | 1826 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Tambini, Jasper | | | 2066 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | 102nd British Chess Championships Weekend Open | Coventry | ENG | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1922 | 2.00 | 4 | 0.08 | 20 | 1.60 | |
| | Carleton, John J | | | 2273 | ENG | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Sit, Victoria | | | 1617 | ENG | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Benson, Sean T | | | 1745 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Harborne, Matthew J | | | 2140 | ENG | 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) | | |
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