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Individual Calculations December 2017 |
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| Di-Vetta, Andrew Total change: 54.20 | |   |
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| 16th 4NCL Congress Major | Coventry | ENG | 2017-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1611 | 2.50 | 5 | 1.75 | 20 | 35.00 | |
|  Nwachukwu, Chino | | | 1903 | NGR | 1.00 | 1 | 0.85 | 20 | 17.00 | |  McEwan, Peter | | | 1898 | SCO | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Hamilton, Douglas | | | 1881 | SCO | 0.50 | 1 | 0.33 | 20 | 6.60 | | | De Coverly, Roger D | | | 1917 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Fryer, David W | | | 1937 | ENG | 0.50 | 1 | 0.37 | 20 | 7.40 | |
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) | | | | 2017/18 4NCL Division 4 South Rounds 1-2 | Reading | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 1611 | 0.50 | 1 | 0.37 | 20 | 7.40 | |
| | Valentine, Brian J | | | 1937 | ENG | 0.50 | 1 | 0.37 | 20 | 7.40 | |
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) | | | | Bristol Winter Congress 2017 | Bristol | ENG | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1611 | 1.50 | 5 | 0.59 | 20 | 11.80 | |
| | Bogdan, Horia-Daniel | | | 1956 | ROU | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Jukes, Sam | | | 1745 | WLS | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Waterfield, John W | | | 1947 | WLS | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Beaumont, Chris R | m | | 2011 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Fowler, Hugo | | | 1780 | WLS | 0.00 | 1 | -0.28 | 20 | -5.60 | | | * 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) | | |
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