Chess South Africa Ratings Database

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Personal

Ruiters, A (Arnold-James)

Chess SA id

106090527

FIDE id

Date of birth

2006-04-05 (U20)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1188.3

Item	Main	Standard	Rapid	Blitz
Rating	1207.3	1150.2	1236.7	1200
Raw rating	1207.3	1150.2	1236.7	1200
Weighted rating	1174.5	1143.2	1166.6	1200
Weighted performance	1170.1	930.3	1057.2	0
Floor	712.1	700	736.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.1	178	157.4	165.8
Highest rating	1212.1 2025-07-01	1200 2018-10-01	1267.2 2019-02-01	1200 2018-10-01
Highest raw rating	1212.1 2025-07-01	1200 2018-02-01	1236.7 2025-07-01	1200 2024-02-01
Highest weighted rating	1212.1 2019-04-01	1200 2018-10-01	1236.7 2021-06-01	1200 2018-10-01
Highest weighted performance	1203.8 2019-02-01	1200 2018-02-01	1267.2 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1207.3	1150.2	1236.7	1200
Analysis
Rating	1207.3	1150.2	1236.7	1200
Raw rating	1207.3	1150.2	1236.7	1200
Weighted rating	1174.5	1143.2	1166.6
Weighted performance	1170.1	930.3	1057.2
K-factor	36	36	36	36
Floor	712.1	700	736.7	700
Max/Min rating change allowed	164.1	178	157.4	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	1207.3	1150.2	1236.7	1200
New weighted rating	1177.6	1143.8	1173	1200
New weighted performance	1169.7	929.9	1056.8	0
Temp new rating	1207.3	1150.2	1236.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1207.3	1150.2	1236.7	1200
New K-factor	36	36	36	36
New floor	712.1	700	736.7	700

Item	Main	Standard	Rapid
	0	0	0
	16	12	4
	5	0	5
	5	0	5
	16	12	4
	11	0	11
History	75	39	36

Games since
	Main 26	Standard 12		Rapid 14		Blitz 0
Gender	Male
Age group	U20
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-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	16	8	50	0	1290.1	1290.1
Standard	12	4	33.33	-141.7	1306.7	1165
Rapid	4	4	100	425	1240.3	1665.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	69	28	40.58	-80.1	1242	1162
Standard	33	11	33.33	-141.7	1241.7	1100
Rapid	36	17	47.22	-23.6	1242.4	1218.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1207.3	1150.2	1236.7	1200
2025-09-01	1207.3	1150.2	1236.7	1200
2025-08-01	1212.1	1141.9	1236.7	1200
2025-07-01	1212.1	1141.9	1236.7	1200
2025-06-01	1160.5	1141.4	1142.1	1200
2025-05-01	1162.4	1142	1142.1	1200
2025-04-01	1162.4	1142	1142.1	1200
2025-03-01	1162.4	1142	1142.1	1200
2025-02-01	1162.4	1142	1142.1	1200
2025-01-01	1156.4	1142	1129.5	1200
2024-12-01	1156.4	1142	1129.5	1200
2024-11-01	1156.4	1142	1129.5	1200
2024-10-01	1156.4	1142	1129.5	1200
2024-09-01	1156.4	1142	1129.5	1200
2024-08-01	1156.4	1142	1129.5	1200
2024-07-01	1156.4	1142	1129.5	1200
2024-06-01	1156.4	1142	1129.5	1200
2024-08-01	1156.4	1142	1129.5	1200
2024-04-01	1156.4	1142	1129.5	1200
2024-03-01	1156.4	1142	1129.5	1200
2024-02-01	1170.4	1142	1163.3	1200
2024-01-01	1170.4	1142	1163.3	1200
2023-12-01	1170.4	1142	1163.3	1200
2023-11-01	1186.1	1142	1188.5	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Women�s Championship 2025 (Advanced)	2025-08-08	2025-08-10	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
2	Shakirah Ruiters Youth Tournament 2025 (Advanced)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis
3	West Coast And Mykonos Open 2025 (Advanced)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Women�s Championship 2025 (Advanced)	2025-08-08	2025-08-10	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
2	Shakirah Ruiters Youth Tournament 2025 (Advanced)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis
3	West Coast And Mykonos Open 2025 (Advanced)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
4	Bo-Weskus Skole Prestige 2024 (O18 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
5	Clanwilliam Chess Club Open 2023 (B)	2023-12-02	2023-12-02	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
6	West Coast Open 2022 (Open)	2022-11-05	2022-11-05	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
7	Best of The West 2022 (Boys Open)	2022-11-19	2022-11-19	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
8	West Coast Schools Prestige 2022 (U18 Boys)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
9	West Coast Open 2021 (Open)	2021-06-26	2021-06-26	Rapid	West Coast (WCU)	6	6	1	Yes	Analysis
10	Annual Clint Van Rooyen Challenge 2021 (Open)	2021-05-22	2021-05-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
11	Lambertsbaai Development 2019 (Open)	2019-07-05	2019-07-06	Standard	West Coast (WCU)	6	4	1	Yes	Analysis
12	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O13 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
13	Bo-Weskus Skole Skaak Prestige 2019 (O13 Seuns)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	7	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament West Coast Open 2022				Tournament Best of The West 2022
		date 2022-11-05	rnd 3	type Standard	result 1	date 2022-11-19	rnd 3	type Rapid	result 1
		Opponent Love, C (Celine)				Opponent Seedeman, A (Aidan)
2	4	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Schalk, M (Mische)				Opponent Solomons, T (Tyreec)
3	2	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Groenewalt, R (Randuaan)				Opponent Coetzee, Z (Zaydan)

#	Games	Start				End
1	4	Tournament West Coast Open 2022				Tournament West Coast Open 2022
		date 2022-11-05	rnd 3	type Standard	result 1	date 2022-11-05	rnd 6	type Standard	result 1
		Opponent Love, C (Celine)				Opponent Sauls, J (Jada)
2	2	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Groenewalt, R (Randuaan)				Opponent Coetzee, Z (Zaydan)
3	1	Tournament Western Cape Women�s Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-10	rnd 5	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 1
		Opponent Koopman, M (Maronashia)				Opponent Koopman, M (Maronashia)

#	Games	Start				End
1	4	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Schalk, M (Mische)				Opponent Solomons, T (Tyreec)
2	2	Tournament Best of The West 2022				Tournament Best of The West 2022
		date 2022-11-19	rnd 2	type Rapid	result 1	date 2022-11-19	rnd 3	type Rapid	result 1
		Opponent Williams, J (Junior)				Opponent Seedeman, A (Aidan)
3	2	Tournament Annual Clint Van Rooyen Challenge 2021				Tournament Annual Clint Van Rooyen Challenge 2021
		date 2021-05-22	rnd 4	type Rapid	result 1	date 2021-05-22	rnd 5	type Rapid	result 1
		Opponent Van Zyl, A (Ane)				Opponent Titus, S (Sonay)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament West Coast Open 2022				Tournament Best of The West 2022
		date 2022-11-05	rnd 3	type Standard	result 1	date 2022-11-19	rnd 3	type Rapid	result 1
		Opponent Love, C (Celine)				Opponent Seedeman, A (Aidan)
2	4	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Schalk, M (Mische)				Opponent Solomons, T (Tyreec)
3	2	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Groenewalt, R (Randuaan)				Opponent Coetzee, Z (Zaydan)

#	Games	Start				End
1	4	Tournament West Coast Open 2022				Tournament West Coast Open 2022
		date 2022-11-05	rnd 3	type Standard	result 1	date 2022-11-05	rnd 6	type Standard	result 1
		Opponent Love, C (Celine)				Opponent Sauls, J (Jada)
2	2	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Groenewalt, R (Randuaan)				Opponent Coetzee, Z (Zaydan)
3	1	Tournament Western Cape Women�s Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-10	rnd 5	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 1
		Opponent Koopman, M (Maronashia)				Opponent Koopman, M (Maronashia)

#	Games	Start				End
1	4	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Schalk, M (Mische)				Opponent Solomons, T (Tyreec)
2	2	Tournament Best of The West 2022				Tournament Best of The West 2022
		date 2022-11-19	rnd 2	type Rapid	result 1	date 2022-11-19	rnd 3	type Rapid	result 1
		Opponent Williams, J (Junior)				Opponent Seedeman, A (Aidan)
3	2	Tournament Annual Clint Van Rooyen Challenge 2021				Tournament Annual Clint Van Rooyen Challenge 2021
		date 2021-05-22	rnd 4	type Rapid	result 1	date 2021-05-22	rnd 5	type Rapid	result 1
		Opponent Van Zyl, A (Ane)				Opponent Titus, S (Sonay)

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	Monk ,J (Jayden)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Monk ,J (Jayden)	2	1202.1	777.1	1	1200	777.1	1	1200	777.1	0	0	0
2	Titus ,S (Sonay)	2	2	425	1	1	425	1	1	425	0	0	0
2	Titus ,S (Sonay)	2	1194.5	1619.5	1	1210.8	1619.5	1	1200	1619.5	0	0	0
3	Van Rooyen ,S (Sergio)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Van Rooyen ,S (Sergio)	2	1254.9	829.9	0	0	0	2	1195.6	829.9	0	0	0
4	Groenewalt ,R (Randuaan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Groenewalt ,R (Randuaan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Fillis ,J (Jordan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Fillis ,J (Jordan)	1	1140.1	1565.1	1	1116.8	1565.1	0	0	0	0	0	0
6	Lange ,L (Lee-Heindro)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lange ,L (Lee-Heindro)	1	1184	759	1	1168	759	0	0	0	0	0	0
7	Viljoen ,A (A)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Viljoen ,A (A)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Smit ,M (Mario)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Smit ,M (Mario)	1	1175.1	750.1	1	1185.6	750.1	0	0	0	0	0	0
9	Beukes ,H (Hen-Lee)	1	1	425	0	0	0	1	1	425	0	0	0
9	Beukes ,H (Hen-Lee)	1	1158	1583	0	0	0	1	1191.2	1583	0	0	0
10	Oktober ,A (Angelique)	1	1	425	0	0	0	1	1	425	0	0	0
10	Oktober ,A (Angelique)	1	1178	1603	0	0	0	1	1164.8	1603	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ruiters, A (Arnold-James)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms