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Individual Calculations February 2015 |
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| Beerdsen, Thomas Total change: -9.80 | |   |
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| Schaakfestival Groningen 2014 Open A | Groningen | NED | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2314 | 5.00 | 9 | -0.99 | 20 | -19.80 | |
|  Dijkstra, Arjan | | | 2029 | NED | 0.50 | 1 | -0.34 | 20 | -6.80 | |  De Groot, Hendrik | | | 2097 | NED | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Baghdasaryan, Vahe | m | | 2368 | ARM | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Mollema, Thomas | | | 2136 | NED | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Lewin, Tammo | | | 2131 | GER | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Stegariu, Alexandru | | | 2156 | ROU | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Theulings, Paul-Peter | c | | 2132 | NED | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Boersma, Jan | | | 2119 | NED | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Wan, Yunguo | m | | 2482 | CHN | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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 |
| 2509 | 2317 | 0.50 | 1 | 0.25 | 20 | 5.00 | |
| | Hovhannisyan, Mher | m | | 2509 | BEL | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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) | | | | Tata Steel Chess Tournament 2015 - T Top | Wijk aan Zee | NED | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2377 | 2317 | 4.00 | 9 | 0.25 | 20 | 5.00 | |
| | Van Assendelft, Floris | m | | 2354 | NED | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Beukema, Stefan | f | | 2380 | BEL | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Pijpers, Arthur | | | 2363 | NED | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Kevlishvili, Robby | f | | 2375 | NED | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Hopman, Pieter | f | | 2387 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Admiraal, Miguoel | f | | 2341 | NED | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Van Delft, Merijn | m | | 2419 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Guramishvili, Sopiko | m | wg | 2366 | GEO | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Bosboom, Manuel | m | | 2410 | NED | 1.00 | 1 | 0.63 | 20 | 12.60 | |
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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