De Ridder, Dieter July 2009 FIDE Individual Chess Calculations

Individual Calculations July 2009

De Ridder, Dieter Total change: 8.40

3H - r 6-9 - Dutch Team Competition			Various		NED	2008-09-27
Rc	Ro			w	n	change	K	*Kchg**	Game
2097	1845			0.50	1	0.31	15	4.65

Loomans, John		2097	NED	0.50	1	0.31	15	4.65
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 National Team Championship 2008-2009			Various		BEL	2008-10-05
Rc	Ro			w	n	change	K	*Kchg**	Game
1959	1892			1.00	1	0.59	15	8.85

Maeckelberg, Mieke		1959	BEL	1.00	1	0.59	15	8.85
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)

Belgisch Jeugdkampioenschap 2009 -16			Houffalize		BEL	2009-04-13
Rc	Ro			w	n	change	K	*Kchg**	Game
1945	1906			1.00	3	-0.34	15	-5.10

Decrop, Benjamin		1783	BEL	0.50	1	-0.17	15	-2.55
Reyniers, Pieter		2029	BEL	0.00	1	-0.33	15	-4.95
Schaeken, Yordi		2023	BEL	0.50	1	0.16	15	2.40
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)

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