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Individual Calculations September 2017 |
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| Lentzos, Ioannis Total change: -14.20 | |   |
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| 104th British Championship | Llandudno | ENG | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2038 | 4.00 | 9 | 0.18 | 20 | 3.60 | |
|  Longson, Alexander | f | | 2323 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Murphy, Conor E | | | 2154 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Howell, Oliver W | | | 1701 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Taylor, Adam A | | | 2165 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Coathup, Roger H | | | 2151 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Sun, Xinyue | | wf | 2132 | CHN | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Richardson, Alex | | | 2147 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Fathallah, Joe | | | 1919 | WLS | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Jackson, Sheila | | wg | 2125 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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) | | | | Hampstead FIDE Congress Under 2200 Aug 17 | London | ENG | 2017-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 2029 | 1.00 | 3 | -1.22 | 20 | -24.40 | |
| | Barasi, Paul Dl | | | 1739 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Pollack, Oscar | | | 1910 | ENG | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Matei, Ciprian | | | 1866 | ROU | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | 53rd Berks & Bucks Chess Congress Championship | Maidenhead | ENG | 2017-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2029 | 3.50 | 6 | 0.33 | 20 | 6.60 | |
| | Hackett, Dave G | | | 2141 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Akeya-Price, Robert A | | | 1724 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Moore, Gerald | | | 2063 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Horton, Justin | | | 2030 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Shakespeare, John S | | | 1930 | WLS | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Headlong, Timothy | c | | 2127 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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