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Individual Calculations December 2019 |
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| Maynard, David Total change: 46.00 | |   |
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| 27th F.W. de Verteuil Memorial Open Chess Tournament 2019 | Port of Spain | TTO | 2019-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1537 | 2.00 | 7 | 0.40 | 20 | 8.00 | |
|  Lee, Hayden | | | 1898 | TTO | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Noel, Roderick | | | 1809 | TTO | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Valentine, Bryan | | | 1364 | TTO | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Bartholomew, Kena | | | 1846 | TTO | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Lee, Cecil | c | | 1743 | TTO | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Waldron, Omari | | | 1937 * | TTO | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sears, Frank | c | | 1843 | TTO | 0.00 | 1 | -0.14 | 20 | -2.80 | | | * 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) | | | | National Senior Chess Championships 2019 - Open 50 and 65 | Port of Spain | TTO | 2019-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1537 | 3.50 | 5 | 1.90 | 20 | 38.00 | |
| | Lee, Hayden | | | 1898 | TTO | 1.00 | 1 | 0.90 | 20 | 18.00 | | | Lee, Courtney | | | 1765 | TTO | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Superville, Arthur | | | 1431 | TTO | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Drayton, Doff | | | 1599 | TTO | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Bowles, Andrew | | | 1740 | TTO | 0.50 | 1 | 0.26 | 20 | 5.20 | |
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) | | |
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