Collette, Alain March 2023 FIDE Individual Chess Calculations

Individual Calculations March 2023

Collette, Alain Total change: 2.00

Open Brussels Winter 2023 Round 4			Brussels		BEL	2023-01-30
Rc	Ro			w	n	change	K	*Kchg**	Game
1973	1493			0.00	1	-0.05	40	-2.00

Harutyunyan, Axel		1973	BEL	0.00	1	-0.05	40	-2.00
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)

Open Brussels Winter 2023 Rounds 5-6			Brussels		BEL	2023-02-06
Rc	Ro			w	n	change	K	*Kchg**	Game
1466	1490			1.00	2	-0.06	40	-2.40

Varlet, Daniel		1305	BEL	1.00	1	0.26	40	10.40
Caulier, Marius		1626	BEL	0.00	1	-0.32	40	-12.80
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)

Open Brussels Winter 2023 Round 7			Brussels		BEL	2023-02-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1206	1490			1.00	1	0.16	40	6.40

Marot, Louis		1206	FRA	1.00	1	0.16	40	6.40
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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