Chess South Africa Ratings Database

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Personal

Ruiters, Z (Zayaan)

Chess SA id

2180314656

FIDE id

Date of birth

2018-11-15 (U10)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1198	1210.8	1191	1200
Raw rating	1179.5	1210.8	1146.7	1200
Weighted rating	1198	1203.8	1191	1200
Weighted performance	948.6	0	0	0
Floor	707.9	710.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.7	163.3	178.9	165.8
Highest rating	1207.9 2025-08-01	1210.8 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1207.9 2025-08-01	1210.8 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1199.9 2025-02-06	1199.9 2025-02-06	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	1002.2 2025-08-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.5	0	-3.9	0
New rating	1196.4	1210.8	1187.1	1200
Analysis
Rating	1198	1210.8	1191	1200
Raw rating	1179.5	1210.8	1146.7	1200
Weighted rating	1198	1203.8	1191
Weighted performance	948.6	0	0
K-factor	36	36	36	36
Floor	707.9	710.8	700	700
Max/Min rating change allowed	170.7	163.3	178.9	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1179.5	1210.8	1146.7	1200
New weighted rating	1196.4	1204.5	1187.1	1200
New weighted performance	942	0	0	0
Temp new rating	1196.4	1210.8	1187.1	1200
Temp new rating +/-	-1.5	0	-3.9	0
Final new rating +/-	-1.5	0	-3.9	0
New rating	1196.4	1210.8	1187.1	1200
New K-factor	36	36	36	36
New floor	707.9	710.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	28	18	10
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	28	18	10

Games since
	Main 28	Standard 18		Rapid 10		Blitz 0
Gender	Female
Age group	U8
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U8	-1		-1		-1
U8 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U8	-1		-1		-1
U8 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U8	-1		-1		-1
U8 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U8	-1		-1		-1
U8 Female	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	28	6	21.43	-242.9	1218.3	975.4
Standard	18	5	27.78	-188.9	1221.3	1032.4
Rapid	10	1	10	-340	1212.8	872.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	28	6	21.43	-242.9	1218.3	975.4
Standard	18	5	27.78	-188.9	1221.3	1032.4
Rapid	10	1	10	-340	1212.8	872.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1179.5	1210.8	1146.7	1200
2025-11-30	1179.5	1210.8	1146.7	1200
2025-11-01	1207.9	1210.8	1199.3	1200
2025-09-30	1207.9	1210.8	1199.3	1200
2025-09-01	1207.9	1210.8	1199.3	1200
2025-08-01	1207.9	1210.8	1199.3	1200
2025-07-01	1198.4	1198.8	1198.9	1200
2025-06-01	1195.3	1198.8	1192.7	1200
2025-05-01	1198.9	1198.7	1200	1200
2025-04-01	1197.5	1197.1	1200	1200
2025-03-01	1190.8	1188.9	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Voories Skaaktoernooi 2025 (O7)	2025-11-08	2025-11-08	Rapid	Eden (WEG)	5	5	1	Yes	Analysis
2	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	2	Yes	Analysis
3	Dennie Chess Rapid Tournament Open 2025 (U9)	2025-05-24	2025-05-24	Rapid	Eden (WEG)	5	5	0	Yes	Analysis
4	George Schools Chess Trials 3 2025 (U7 Girls)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	George Schools Chess Trials 2 2025 (U7 Girls)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	1	Yes	Analysis
6	George Schools Chess Trials 1 2025 (U7 Gils)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Bezuidenhout, M (Milanke)				Opponent de Coning, D (Damian)
2	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 4	type Standard	result 0.5
		Opponent Xhoma, I (Ivakele)				Opponent Abrahams, N (Nova)
3	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Stoffels, Z (Zarah)				Opponent Stoffels, Z (Zarah)

#	Games	Start				End
1	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Bezuidenhout, M (Milanke)				Opponent de Coning, D (Damian)
2	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 4	type Standard	result 0.5
		Opponent Xhoma, I (Ivakele)				Opponent Abrahams, N (Nova)
3	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Stoffels, Z (Zarah)				Opponent Stoffels, Z (Zarah)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Bezuidenhout, M (Milanke)				Opponent de Coning, D (Damian)
2	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Stoffels, Z (Zarah)				Opponent Stoffels, Z (Zarah)
3	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Guze, K (Khayone)				Opponent Guze, K (Khayone)

#	Games	Start				End
1	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Bezuidenhout, M (Milanke)				Opponent de Coning, D (Damian)
2	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Stoffels, Z (Zarah)				Opponent Stoffels, Z (Zarah)
3	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Guze, K (Khayone)				Opponent Guze, K (Khayone)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Stoffels ,Z (Zarah)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
1	Stoffels ,Z (Zarah)	3	1194.8	1053.2	2	1199.2	1194.8	1	1200	769.8	0	0	0
2	Barnard ,K (Kara)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Barnard ,K (Kara)	2	1223.5	798.5	2	1228.3	798.5	0	0	0	0	0	0
3	Guze ,K (Khayone)	2	1	0	2	1	0	0	0	0	0	0	0
3	Guze ,K (Khayone)	2	1198.1	1198.1	2	1197.7	1198.1	0	0	0	0	0	0
4	Anthony ,A (Avia)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Anthony ,A (Avia)	2	1227.2	802.2	2	1230.7	802.2	0	0	0	0	0	0
5	Costa ,T (Thalia Anne)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Costa ,T (Thalia Anne)	2	1209.8	784.8	1	1198.5	784.8	1	1200	784.8	0	0	0
6	Appiah Baden ,E (Emily Joy)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Appiah Baden ,E (Emily Joy)	2	1210.8	785.8	1	1200	785.8	1	1200	785.8	0	0	0
7	Rostoll ,C (Chante)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Rostoll ,C (Chante)	1	1456.6	1031.6	1	1463.4	1031.6	0	0	0	0	0	0
8	Bezuidenhout ,M (Milanke)	1	1	425	1	1	425	0	0	0	0	0	0
8	Bezuidenhout ,M (Milanke)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Hendricks ,I (Immorelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Hendricks ,I (Immorelle)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Abrahams ,N (Nova)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Abrahams ,N (Nova)	1	1200	1200	1	1200	1200	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ruiters, Z (Zayaan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms