Sonneveld, David September 2021 FIDE Individual Chess Calculations

Individual Calculations September 2021

Sonneveld, David Total change: 141.20

Dutch Championship 2021 U18			Almelo		NED	2021-08-01
Rc	Ro			w	n	change	K	*Kchg**	Game
1711	1589			1.50	5	-0.32	40	-12.80

Maters, Arthur		1989 *	NED	0.00	1	-0.08	40	-3.20
Arnold, Kiri		1827	NED	0.00	1	-0.20	40	-8.00
Li-Behn, Tobias		1443	NED	0.00	1	-0.70	40	-28.00
Torensma, Christian		1641	NED	0.50	1	0.07	40	2.80
Verheul, Job		1655	NED	1.00	1	0.59	40	23.60
* Rating difference of more than 400. Please read more at FIDE Handbook
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)

Brugse Meesters - Belgian Open Championship 2021 A-group			Brugge		BEL	2021-08-14
Rc	Ro			w	n	change	K	*Kchg**	Game
1986	1589			4.50	8	3.85	40	154.00

Van De Lagemaat, Arend		1965	NED	0.50	1	0.41	40	16.40
Labruyere, Roger		1989 *	NED	0.50	1	0.42	40	16.80
Bosboom, Ardin		1989 *	NED	0.50	1	0.42	40	16.80
Cornelisse, John		1989 *	NED	1.00	1	0.92	40	36.80
Faybish, Benjamin		1989 *	BEL	1.00	1	0.92	40	36.80
Ouaki, Mark		1989 *	BEL	0.50	1	0.42	40	16.80
Vallet, Marc		1989 *	FRA	0.50	1	0.42	40	16.80
Godde, Matthias		1989 *	BEL	0.00	1	-0.08	40	-3.20
* Rating difference of more than 400. Please read more at FIDE Handbook
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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