Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vos, R (Reuben)

Chess SA id

1100142753

FIDE id

Date of birth

2010-10-22 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1239.1

Item	Main	Standard	Rapid	Blitz
Rating	1183.3	1196.5	1176.3	1200
Raw rating	1183.3	1196.5	1133.2	1200
Weighted rating	1158.4	1159.2	1176.3	1200
Weighted performance	1091.1	1080.2	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.8	166.6	182.4	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-4.1	0
New rating	1183.3	1196.5	1172.3	1200
Analysis
Rating	1183.3	1196.5	1176.3	1200
Raw rating	1183.3	1196.5	1133.2	1200
Weighted rating	1158.4	1159.2	1176.3
Weighted performance	1091.1	1080.2	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	169.8	166.6	182.4	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	1183.3	1196.5	1133.2	1200
New weighted rating	1160.4	1162.4	1172.3	1200
New weighted performance	1084.1	1073.2	0	0
Temp new rating	1183.3	1196.5	1172.3	1200
Temp new rating +/-	0	0	-4.1	0
Final new rating +/-	0	0	-4.1	0
New rating	1183.3	1196.5	1172.3	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	14	10	4
	7	4	3
	19	19	0
	8	8	0
	0	0	0
History	48	41	7

Games since
	Main 21	Standard 14		Rapid 7		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	14	5	35.71	-121.4	1339.2	1217.8
Standard	10	5	50	0	1292.7	1292.7
Rapid	4	0	0	-425	1455.5	1030.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	48	17.5	36.46	-115.1	1256.8	1141.7
Standard	41	16.5	40.24	-82.9	1238.8	1155.9
Rapid	7	1	14.29	-303.6	1362.2	1058.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1183.3	1196.5	1133.2	1200
2025-09-30	1177.9	1193.6	1133.2	1200
2025-09-01	1177.9	1193.6	1133.2	1200
2025-08-01	1154	1150.7	1190.9	1200
2025-07-01	1154	1150.7	1190.9	1200
2025-06-01	1154	1150.7	1190.9	1200
2025-05-01	1154	1150.7	1190.9	1200
2025-04-01	1154	1150.7	1190.9	1200
2025-03-01	1154	1150.7	1190.9	1200
2025-02-01	1153	1149.5	1190.5	1200
2025-01-01	1135.5	1129.6	1180.6	1200
2024-12-01	1135.5	1129.6	1180.6	1200
2024-11-01	1135.5	1129.6	1180.6	1200
2024-10-01	1135.5	1129.6	1180.6	1200
2024-09-01	1158.1	1161.6	1180.6	1200
2024-08-01	1158.1	1161.6	1180.6	1200
2024-07-01	1164.8	1161.6	1200	1200
2024-09-01	1164.8	1161.6	1200	1200
2024-05-01	1164.8	1161.6	1200	1200
2024-04-01	1164.8	1161.6	1200	1200
2024-03-01	1164.8	1161.6	1200	1200
2024-02-01	1164.8	1161.6	1200	1200
2024-01-01	1164.8	1161.6	1200	1200
2023-12-01	1164.8	1161.6	1200	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	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	Ekurhuleni North Schools Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Kempton Park Team Clusters LS 2025 (High Schools)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	4	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	Ekurhuleni North Schools Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Kempton Park Team Clusters LS 2025 (High Schools)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	4	4	0	Yes	Analysis
4	Ekurhuleni North Schools Finals - Teams 2024 (U15 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
5	Kempton Park Cluster Teams 2024 (U15)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	3	3	1	Yes	Analysis
6	Kempton Park Cluster Individuals 2024 (U15 Boys)	2024-03-02	2024-03-02	Rapid	Ekurhuleni (GE)	6	0	0	No	Analysis
7	2023 Ekurhuleni North District Schools Finals (U13)	2023-07-29	2023-07-29	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
8	Ekurhuleni Chess Trial 3 2023 (U14)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
9	Ekurhuleni North Schools Individual Finals 2023 (U13 Boys)	2023-05-12	2023-05-12	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
10	Ekhuruleni Chess Trials 1 2023 (U14)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
11	ACB Tournament 2022 (B)	2022-10-08	2022-10-08	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
12	Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 4	type Standard	result 1	date 2023-05-12	rnd 1	type Standard	result 1
		Opponent Theron, C (Clea)				Opponent Moropa, P (Phetolo)
2	2	Tournament 2023 Ekurhuleni North District Schools Finals				Tournament 2023 Ekurhuleni North District Schools Finals
		date 2023-07-29	rnd 3	type Standard	result 0.5	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Mda, N (Ngawo)				Opponent Cloete, N (Nathan)
3	2	Tournament Ekurhuleni Chess Trial 3 2023				Tournament 2023 Ekurhuleni North District Schools Finals
		date 2023-06-17	rnd 5	type Standard	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Lubbe, L (Liam)				Opponent Mwandwe, A (Amahle)

#	Games	Start				End
1	3	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 4	type Standard	result 1	date 2023-05-12	rnd 1	type Standard	result 1
		Opponent Theron, C (Clea)				Opponent Moropa, P (Phetolo)
2	2	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Teams 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Sompa, OT (Omari Tiamo)				Opponent Dlamini, N (Nyiko)
3	2	Tournament 2023 Ekurhuleni North District Schools Finals				Tournament 2023 Ekurhuleni North District Schools Finals
		date 2023-07-29	rnd 3	type Standard	result 0.5	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Mda, N (Ngawo)				Opponent Cloete, N (Nathan)

#	Games	Start				End
1	1	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Kirton, H (Haley)				Opponent Kirton, H (Haley)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 4	type Standard	result 1	date 2023-05-12	rnd 1	type Standard	result 1
		Opponent Theron, C (Clea)				Opponent Moropa, P (Phetolo)
2	2	Tournament Ekurhuleni Chess Trial 3 2023				Tournament 2023 Ekurhuleni North District Schools Finals
		date 2023-06-17	rnd 5	type Standard	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Lubbe, L (Liam)				Opponent Mwandwe, A (Amahle)
3	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Nolan, C (Christopher)				Opponent Nolan, C (Christopher)

#	Games	Start				End
1	3	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 4	type Standard	result 1	date 2023-05-12	rnd 1	type Standard	result 1
		Opponent Theron, C (Clea)				Opponent Moropa, P (Phetolo)
2	2	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Teams 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Sompa, OT (Omari Tiamo)				Opponent Dlamini, N (Nyiko)
3	2	Tournament Ekurhuleni Chess Trial 3 2023				Tournament 2023 Ekurhuleni North District Schools Finals
		date 2023-06-17	rnd 5	type Standard	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Lubbe, L (Liam)				Opponent Mwandwe, A (Amahle)

#	Games	Start				End
1	1	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Kirton, H (Haley)				Opponent Kirton, H (Haley)

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	Buthelezi ,Z (Zanokuhle)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Buthelezi ,Z (Zanokuhle)	2	1227.4	1439.9	2	1230.4	1439.9	0	0	0	0	0	0
2	Mpe ,O (Ofentse)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Mpe ,O (Ofentse)	2	1317.4	892.4	1	1326.1	892.4	1	1200	892.4	0	0	0
3	Robinson ,E (Ethan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Robinson ,E (Ethan)	2	1455.4	1030.4	1	1331.5	1030.4	1	1255.1	1030.4	0	0	0
4	Nokele ,B (Buntu)	1	1	425	1	1	425	0	0	0	0	0	0
4	Nokele ,B (Buntu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Cronje ,T (Tian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Cronje ,T (Tian)	1	1172.8	1172.8	1	1177.2	1172.8	0	0	0	0	0	0
6	Fernandes ,M (Marino)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fernandes ,M (Marino)	1	1347.5	922.5	1	1336.1	922.5	0	0	0	0	0	0
7	Mashabane ,Z (Zakariah)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mashabane ,Z (Zakariah)	1	1182.7	1607.7	1	1178.4	1607.7	0	0	0	0	0	0
8	Mazibuko ,B (Balekane)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mazibuko ,B (Balekane)	1	1220.3	795.3	1	1213.6	795.3	0	0	0	0	0	0
9	Myburgh ,X (Xuan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Myburgh ,X (Xuan)	1	1094	669	1	1097.2	669	0	0	0	0	0	0
10	Gobodo ,M (Mikhail)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Gobodo ,M (Mikhail)	1	1167.1	742.1	1	1164.8	742.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Vos, R (Reuben)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms