De Winter, Arthur December 2023 FIDE Individual Chess Calculations

Individual Calculations December 2023

De Winter, Arthur Total change: 3.70

Dutch Team Competition 2023-2024 - Meesterklasse Round 3				Various		NED	2023-11-04
Rc	Ro				w	n	change	K	*Kchg**	Game
2121	2401				0.50	1	-0.34	10	-3.40

Keetman, Maaike		wf	2121	NED	0.50	1	-0.34	10	-3.40
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)

Oberliga NRW 2023-2024 November 2023				various		GER	2023-11-19
Rc	Ro				w	n	change	K	*Kchg**	Game
2164	2401				1.00	1	0.20	10	2.00

Oltmanns, Jan			2164	GER	1.00	1	0.20	10	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)

Dutch Team Competition 2023-2024 - Meesterklasse Round 4				Various		NED	2023-11-25
Rc	Ro				w	n	change	K	*Kchg**	Game
2406	2401				1.00	1	0.51	10	5.10

Van Der Werf, Mark	m		2406	NED	1.00	1	0.51	10	5.10
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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