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Individual Calculations November 2018 |
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| Zheng, William Total change: -31.60 | |   |
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| 66th Hampstead Weekend Congress Under 2200 | London | ENG | 2018-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1681 | 2.00 | 5 | -0.27 | 40 | -10.80 | |
|  Matei, Ciprian | | | 1878 | ROU | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Isaksen, Peter A | | | 1860 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | |  Juciute, Einora | | | 1854 | LTU | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Gray, Edward | | | 1580 | ENG | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Clarkson, George | | | 1395 | ENG | 0.50 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | 38th Surrey Chess Congress Open | London | ENG | 2018-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1811 | 1681 | 0.50 | 3 | -0.52 | 40 | -20.80 | |
| | Rizvi, Nasir | | | 1976 | WLS | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Metcalfe, Charlie P | | | 1811 | ENG | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Papathanasopoulos, Nikolaos | | | 1646 | GRE | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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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