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Individual Calculations January 2018 |
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| Marin, Sam Total change: 57.40 | |   |
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| 2017 Hart House Holidays Open Crown | Toronto | CAN | 2017-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2003 | 3.00 | 5 | 1.85 | 20 | 37.00 | |
|  Hasan, Kayes | | | 2248 | BAN | 1.00 | 1 | 0.80 | 20 | 16.00 | |  Dougherty, Michael | f | | 2196 | CAN | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Talukdar, Rohan | c | | 2265 | CAN | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Agbabishvili, Lali | | | 2119 | CAN | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Plotkin, Victor | f | | 2263 | CAN | 0.50 | 1 | 0.32 | 20 | 6.40 | |
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) | | | | I Torneo Abierto de Liberia 2017 | Liberia | CRC | 2017-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 2003 | 2.50 | 4 | 1.02 | 20 | 20.40 | |
| | Bonilla Mora, Luis Daniel | | | 1937 | CRC | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Picado, Jorge | | | 2137 | NCA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Chaves Sanchez, Gabriel A | | | 2102 | CRC | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Rocha, Maximiliano | f | | 2238 | NCA | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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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