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Individual Calculations March 2023 |
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| Gessis, Stavros Total change: -35.40 | |   |
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| Belgian Interclubs 2022-2023 Ronde 6 | Various Places | BEL | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1723 | 1.00 | 1 | 0.57 | 20 | 11.40 | |
|  Decellier, Patrick | | | 1774 | BEL | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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) | | | | Open Brussels Winter 2023 Rounds 5-6 | Brussels | BEL | 2023-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1728 | 1.00 | 2 | 0.11 | 20 | 2.20 | |
| | Siebert, Xavier | | | 1538 | BEL | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Fogel, Pierre | | | 2042 | BEL | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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) | | | | Belgian Interclubs 2022-2023 Ronde 7 | Various Places | BEL | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1728 | 0.50 | 1 | 0.19 | 20 | 3.80 | |
| | Verrijssen, Patrick | | | 1869 | BEL | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | 39e Open International de Cappelle la Grande | CAPPELLE LA GRANDE | FRA | 2023-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1728 | 4.50 | 9 | -2.35 | 20 | -47.00 | |
| | Rumeau, Jean-Michel | | | 1842 | FRA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Ghezzali, Leana | | | 1442 | FRA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Delabarre, Olivier | | | 1899 | FRA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Flahaut, Jean-Jacques | | | 1328 * | FRA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Vanhille, Martin | | | 1240 | FRA | 0.00 | 1 | -0.96 | 20 | -19.20 | | | Rys, Ludovic | | | 1482 | FRA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Tabutin, Lucas | | | 1445 | FRA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Bienaime, Alain | | | 1321 | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bismuth, Raphael | | | 1263 | FRA | 1.00 | 1 | 0.05 | 20 | 1.00 | | | * 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) | | | | Open Brussels Winter 2023 Round 7 | Brussels | BEL | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1728 | 0.50 | 1 | -0.29 | 20 | -5.80 | |
| | Corluy, Gregoire | | | 1496 | BEL | 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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