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Individual Calculations September 2021 |
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| Hilwerda, Jonas Total change: 43.00 | |   |
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| IM Round Robin "Orbis-4 2021" | Paracin | SRB | 2021-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2209 | 4.00 | 9 | -0.11 | 20 | -2.20 | |
|  Brankovic, Dejan | m | | 2312 | SRB | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Sethuraman, Sandeep | | | 2038 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Rakshitta, Ravi | | wm | 2190 | IND | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Mijatovic, Dusan | c | | 2202 | SRB | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Alavi, Sayed Javad | m | | 2445 | IRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Mehmed, Elif | | wf | 2199 | BUL | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Ilincic, Zlatko | g | | 2395 | SRB | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Sharma, Isha | | wm | 2213 | IND | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Pavlov, Mark | | | 2195 | RUS | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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) | | | | Dutch Championship 2021 U18 | Almelo | NED | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2152 | 2240 | 5.50 | 6 | 1.81 | 20 | 36.20 | |
| | Shakhverdian, William | | | 2074 | NED | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Maters, Arthur | | | 2032 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Bruil, Rembrandt | c | | 2105 | NED | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Elgersma, Onno | f | | 2292 | NED | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Honkoop, Gilian | | | 2157 | NED | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Grutter, Tim | | | 2253 | NED | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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) | | | | Oberliga Nord-Nord 2019/2020 August 2021 | various | GER | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2224 | 2240 | 1.50 | 2 | 0.45 | 20 | 9.00 | |
| | Mach, Holger, Dr. | f | | 2213 | GER | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Hagenstein, Frank | | | 2234 | GER | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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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