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Individual Calculations February 2018 |
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| Sandiford, Leigh Total change: 25.60 | |   |
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| 1st Qualifier 2018 Barbados National Chess Championships | Bridgetown | BAR | 2018-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1658 | 1455 | 3.00 | 8 | 0.87 | 40 | 34.80 | |
|  Lowe, Mark | | | 1639 | BAR | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Prescod, Bryan | c | | 1855 * | BAR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Herbert, Allan | | | 1711 | BAR | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Husbands, Orlando | m | | 1855 * | BAR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Elcock, Corie | | | 1654 | BAR | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Edwards, Emar | | | 1529 | BAR | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Murray, Donna | | | 1328 | BAR | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Mahtani, Nitin | | | 1690 | BAR | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * 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) | | | | 2018 Barbados Youth Under 14 Championship | Bridgetown | BAR | 2018-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1261 | 1455 | 2.00 | 3 | -0.23 | 40 | -9.20 | |
| | Hill, Yeshua | | | 1145 | BAR | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Greenidge, Vanessa | | | 1321 | BAR | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Johnson, Azaria | | | 1316 | BAR | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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) | | |
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