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Individual Calculations September 2015 |
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| Walrond, Niccolo Total change: 47.60 | |   |
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| 2015 Barbados Under 20 Open Junior Championship | Bridgetown | BAR | 2015-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1420 | 1195 | 1.00 | 5 | -0.15 | 40 | -6.00 | |
|  Harewood, Jakeel | | | 1595 * | BAR | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Sargeant, Cody | | | 1382 | BAR | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Rochester, Ronaldo | | | 1459 | BAR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Sandiford, Segan | | | 1302 | BAR | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Cumberbatch, Gabriela | | | 1361 | BAR | 0.00 | 1 | -0.28 | 40 | -11.20 | | | * 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) | | | | 2nd Qualifier 2015 Barbados National Chess Championships | Bridgetown | BAR | 2015-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1195 | 2.00 | 7 | 0.57 | 40 | 22.80 | |
| | Barker, Michael | | | 1595 * | BAR | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Shepherd, Jonathan | | | 1595 * | BAR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bynoe, Dajmar | | | 1266 | BAR | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Harewood, Jerome | | | 1595 * | BAR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cumberbatch, Gabriela | | | 1361 | BAR | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Sargeant, Cody | | | 1382 | BAR | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Collymore, Nellon | | | 1389 | BAR | 0.50 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | | | Caribbean Chess Carnival 2015 Under 20 | Port of Spain | TTO | 2015-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1195 | 1.50 | 5 | 0.77 | 40 | 30.80 | |
| | Smith, Javanna | | wf | 1595 * | TTO | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mahtani, Nitin | | | 1437 | BAR | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Smith, Zurich | | | 1353 | TTO | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Yearwood, Shannon | | | 1595 * | TTO | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Martin, Mikel | | | 1595 * | TTO | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | |
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