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Individual Calculations December 2018 |
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| Siva Sankaran, Anup Kumar Total change: -29.40 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1800 | 3.50 | 6 | -0.72 | 20 | -14.40 | |
|  Romanous, Steven | | | 1487 | AUS | 1.00 | 1 | 0.14 | 20 | 2.80 | |  O`callaghan, Scott | | | 1614 | AUS | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Johnson, Andrew | | | 1553 | AUS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Karunagaran, Arvend | | | 1463 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Paul, Frank | | | 1636 | AUS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Rodgers, Jack | | | 2026 | AUS | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | Thailand Pattaya Open Chess Championship 2018 | Pattaya | THA | 2018-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1800 | 4.00 | 9 | -0.75 | 20 | -15.00 | |
| | Nguyen, Huynh Minh Huy | g | | 2200 * | VIE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Noel, Nicolas | | | 1506 | FRA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Persson, Richard | c | | 2138 | SWE | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Chia, Yu Zhe Ashton | | | 1567 | SGP | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Andersen, Soren Mikkel | | | 2159 | DEN | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Lee, Peng Keong | | | 1491 | SGP | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Nisban, Cyrus | c | | 1864 | SGP | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Nakazawa, Ryo | | | 1513 | JPN | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Nattavutthisit, Kavin | | | 1650 | THA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | * 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) | | |
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