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Individual Calculations September 2009 |
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| Iyengar, Ilya Total change: 31.05 | |   |
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| NCJS Young Masters 2009: Young Masters | Street, Somerset | ENG | 2009-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1963 | 1.50 | 2 | 0.09 | 15 | 1.35 | |
|  Krishnan, Anand J | | | 1776 | ENG | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Davda, Rahil P | | | 1834 | ENG | 0.50 | 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) | | | | British U16 Championships | Torquay | ENG | 2009-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1963 | 2.50 | 5 | 0.03 | 15 | 0.45 | |
| | Sanders, Isaac B | | | 1855 | ENG | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Burke, Mitchell R | | | 1885 | ENG | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Tunstall, George S | | | 2013 | ENG | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Jain, Akash | | | 2012 | ENG | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Brown, Martin | | | 2074 | ENG | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | British Championships-Major Open | Torquay | ENG | 2009-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 1963 | 4.50 | 8 | 1.95 | 15 | 29.25 | |
| | Stables, Gordon | | | 1982 | ENG | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Ali, Mohammad Imran | | | 2148 | BAN | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Grant, David J | | | 2022 | ENG | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Nelson, Omowale | | | 2075 | JAM | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Ahmed, Mahtabuddin | | | 2233 | BAN | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Simons, Martin J | | | 2228 | ENG | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Bucher, Grant W | | | 2001 | ENG | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Jackson, Oliver A | | | 2159 | ENG | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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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