Ristoja, Thomas W. April 2009 FIDE Individual Chess Calculations

Individual Calculations April 2009

Ristoja, Thomas W. Total change: 10.95

Finnish League 2008-2009 round 5 (lower divisions)			various		FIN	2009-01-17
Rc	Ro			w	n	change	K	*Kchg**	Game
2176	2194			0.50	1	-0.03	15	-0.45

Lauren, Martti		2176	FIN	0.50	1	-0.03	15	-0.45
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)

Finnish League 2008-2009 Round 6			Various		FIN	2009-02-14
Rc	Ro			w	n	change	K	*Kchg**	Game
2025	2194			1.00	1	0.28	15	4.20

Suominen, Antti		2025	FIN	1.00	1	0.28	15	4.20
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)

Finnish League 2008-2009 Round 8			Various		FIN	2009-03-14
Rc	Ro			w	n	change	K	*Kchg**	Game
2182	2194			1.00	1	0.48	15	7.20

Lehtivaara, Risto	f	2182	FIN	1.00	1	0.48	15	7.20
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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