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Individual Calculations June 2013 |
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| Buttell, David Total change: 42.90 | |   |
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| 4NCL 2012-13 | Various | ENG | 2012-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1801 | 7.00 | 8 | 2.60 | 15 | 39.00 | |
|  Anilkumar, Anantha Pp (snr) | | | 1401 * | ENG | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Kourtseva, Julie | | | 1756 | ENG | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Colburn, Paul J | | | 1978 | ENG | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Graham, Neil | | | 1853 | ENG | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Cresswell, Mike J | | | 1832 | ENG | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Bansal, Rohan | | | 1791 | ENG | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Homer, Neil S | | | 1587 | ENG | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Tarhon, Brian | | | 1816 | ENG | 1.00 | 1 | 0.52 | 15 | 7.80 | | | * 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) | | | | Welsh Chess Premier League Round 3 | Various | WLS | 2013-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 1862 | 0.50 | 1 | 0.32 | 15 | 4.80 | |
| | May, Frank | | | 2123 | WLS | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | e2e4 Sunningdale Open May 2013 | Sunningdale | ENG | 2013-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 1862 | 1.00 | 1 | 0.48 | 15 | 7.20 | |
| | Hernandez Castro, Julio Ce | | | 1848 | ESP | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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) | | | | e2e4 Sunningdale U2050 May 2013 | Sunningdale | ENG | 2013-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1862 | 2.00 | 4 | -0.54 | 15 | -8.10 | |
| | Stimpson, Philip M | | | 2048 | ENG | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Peck, Silas | | | 1713 | ENG | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Grieve, Harry | | | 1672 | ENG | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Balouka Myers, Reuben | | | 1592 | ENG | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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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