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Individual Calculations February 2019 |
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| Isaksen, Peter A Total change: 19.20 | |   |
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| London Christmas Chess Congress Open Under 18-21 | London | ENG | 2018-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1898 | 3.00 | 5 | 0.64 | 40 | 25.60 | |
|  Merriman, John | | | 2261 | ENG | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Graff, Coby | | | 1606 | ENG | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Chakanyuka, Charles | | | 2030 | ZIM | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Kirupakaran, Vishnu | | | 1794 | ENG | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Ramaiya, Anshu | | | 1931 | ENG | 1.00 | 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) | | | | 68th Hampstead FIDE Chess Congress Jan U2200 | London | ENG | 2019-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1898 | 1.00 | 2 | -0.16 | 40 | -6.40 | |
| | Iyengar, Ilya | | | 1997 | ENG | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Paleri, Adithya P | | | 1661 | ENG | 0.00 | 1 | -0.80 | 40 | -32.00 | |
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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