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Individual Calculations November 2009 |
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| Atako, Chino Total change: -50.40 | |   |
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| Coulsdon Chess Fellowship Open | Coulsdon | ENG | 2009-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2111 | 2.50 | 8 | -2.36 | 15 | -35.40 | |
|  Bailey, Kevin J | | | 2064 | ENG | 0.00 | 1 | -0.57 | 15 | -8.55 | |  Scrimgour, Alan | | | 2058 | SCO | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Crowdy, Stephen C | | | 2093 | ENG | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Snape, Ian L | | | 2200 | ENG | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Cohen, Ronnie | | | 1943 | ENG | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Williams, Peter A | | | 1905 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Marchant, Geoffrey | | | 1861 | ENG | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Salimbeni, George P W | | | 2099 | ENG | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | | | Uxbridge 2nd Congress | Denham | ENG | 2009-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 2088 | 1.00 | 4 | -0.69 | 15 | -10.35 | |
| | Tozer, Richard J D | m | | 2286 | ENG | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Doran, Chris | | | 1945 | ENG | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Cherniaev, Alexander | g | | 2469 | RUS | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Williams, Peter A | | | 1961 | ENG | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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) | | | | Leicester Congress | Leicester | ENG | 2009-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 2088 | 1.50 | 3 | -0.61 | 15 | -9.15 | |
| | Edwards, Simon R | | | 2006 | ENG | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Farrall, David J | | | 1852 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Jaszkiwskyj, Peter | | | 1941 | ENG | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | Caterham Congress | Caterham | ENG | 2009-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2088 | 2.50 | 5 | 0.30 | 15 | 4.50 | |
| | Cherniaev, Alexander | g | | 2469 | RUS | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Jones, Victor G L | | | 2062 | ENG | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Sugden, John N | | | 2235 | ENG | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Foster, James M | | | 1877 | ENG | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Jones, William E G | | | 2085 | ENG | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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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