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Individual Calculations April 2023 |
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| Rybicki, Jan Total change: 10.80 | |   |
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| XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 8 | Warszawa | POL | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1564 | 1338 | 0.50 | 1 | 0.29 | 20 | 5.80 | |
|  Gozdzikowski, Franciszek | | | 1564 | POL | 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) | | | | OTWARTA LIGA MAZOWIECKA 2023 Round 7-10 | woj. mazowieckie | POL | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1196 | 1323 | 1.50 | 2 | 0.16 | 20 | 3.20 | |
|  Sysiak, Tymon | | | 1196 | POL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Sysiak, Tymon | | | 1196 | POL | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 9-11 | Warszawa | POL | 2023-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1220 | 1323 | 2.00 | 3 | 0.09 | 20 | 1.80 | |
| | Potynski, Hubert | | | 1254 | POL | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Kaczmarczyk, Marcin | | | 1296 | POL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Skonieczny, Marcin | | | 1110 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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