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Individual Calculations February 2015 |
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| Beukema, Stefan Total change: -34.80 | |   |
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| Schaakfestival Groningen 2014 Open A | Groningen | NED | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2364 | 4.50 | 9 | -1.50 | 20 | -30.00 | |
|  Sparenberg, Erik | | | 2105 | NED | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Schoehuijs, Erik | | | 2125 | NED | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Rakhmanov, Aleksandr | g | | 2647 | RUS | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Heemskerk, Wim | f | | 2169 | NED | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Lyell, Mark | f | | 2236 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Burcu, Cagatay | | | 2149 | TUR | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Kerigan, Demre | f | | 2277 | TUR | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Wempe, Joost | | | 2262 | NED | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Stegariu, Alexandru | | | 2156 | ROU | 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) | | | | Oberliga NRW 2014/15 round 5 | Hamburg | GER | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2298 | 2380 | 1.00 | 1 | 0.39 | 20 | 7.80 | |
| | Nabuurs, Joep | | | 2298 | NED | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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) | | | | Tata Steel Chess Tournament 2015 - T Top | Wijk aan Zee | NED | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2370 | 2380 | 4.00 | 9 | -0.63 | 20 | -12.60 | |
| | Guramishvili, Sopiko | m | wg | 2366 | GEO | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Beerdsen, Thomas | f | | 2317 | NED | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Van Assendelft, Floris | m | | 2354 | NED | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Bosboom, Manuel | m | | 2410 | NED | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Pijpers, Arthur | | | 2363 | NED | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Kevlishvili, Robby | f | | 2375 | NED | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Hopman, Pieter | f | | 2387 | NED | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Admiraal, Miguoel | f | | 2341 | NED | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Van Delft, Merijn | m | | 2419 | NED | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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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