Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vos, RR (Ruben Ruaan)

Chess SA id

100042176

FIDE id

Date of birth

2000-02-22 (Adult)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

CPA

Chess SA registered

Last active game

2023-06-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1385.8	1339	1440.2	1380
Raw rating	1385.8	1339	1440.2	1380
Weighted rating	1385.8	1339	1440.2	1380
Weighted performance	0	0	0	0
Floor	885.8	880	940.2	880
K-factor	36	36	32	36
Min/Max rating change allowed	127.3	136	117.8	128.3
Highest rating	1397.8 2023-06-01	1380 2018-07-01	1693.9 2023-06-01	1380 2018-07-01
Highest raw rating	1385.8 2024-03-01	1380 2019-12-01	1440.2 2024-03-01	1380 2024-03-01
Highest weighted rating	1385.8 2025-05-05	1380 2018-07-01	1440.2 2025-08-01	1380 2018-07-01
Highest weighted performance	1397.8 2023-06-01	1223 2023-03-01	1693.9 2023-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1385.8	1339	1440.2	1380
Analysis
Rating	1385.8	1339	1440.2	1380
Raw rating	1385.8	1339	1440.2	1380
Weighted rating	1385.8	1339	1440.2
Weighted performance	0	0	0
K-factor	36	36	32	36
Floor	885.8	880	940.2	880
Max/Min rating change allowed	127.3	136	117.8	128.3
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	1385.8	1339	1440.2	1380
New weighted rating	1385.8	1339	1440.2	1380
New weighted performance	0	0	0	0
Temp new rating	1385.8	1339	1440.2	1380
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1385.8	1339	1440.2	1380
New K-factor	36	36	32	36
New floor	885.8	880	940.2	880

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	9	4	5
	5	5	0
	0	0	0
History	470	430	40

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	9	64.29	121.4	1272.8	1394.2
Standard	9	4	44.44	-47.2	1282	1234.8
Rapid	5	5	100	425	1256.3	1681.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1385.8	1339	1440.2	1380
2025-09-01	1385.8	1339	1440.2	1380
2025-08-01	1385.8	1339	1440.2	1380
2025-07-01	1385.8	1339	1440.2	1380
2025-06-01	1385.8	1339	1440.2	1380
2025-05-01	1385.8	1339	1440.2	1380
2025-04-01	1385.8	1339	1440.2	1380
2025-03-01	1385.8	1339	1440.2	1380
2025-02-01	1385.8	1339	1440.2	1380
2025-01-01	1385.8	1339	1440.2	1380
2024-12-01	1385.8	1339	1440.2	1380
2024-11-01	1385.8	1339	1440.2	1380
2024-10-01	1385.8	1339	1440.2	1380
2024-09-01	1385.8	1339	1440.2	1380
2024-08-01	1385.8	1339	1440.2	1380
2024-07-01	1385.8	1339	1440.2	1380
2024-06-01	1385.8	1339	1440.2	1380
2024-08-01	1385.8	1339	1440.2	1380
2024-04-01	1385.8	1339	1440.2	1380
2024-03-01	1385.8	1339	1440.2	1380
2024-02-01	1385.8	1339	1440.2	1380
2024-01-01	1385.8	1339	1440.2	1380
2023-12-01	1385.8	1339	1438.9	1380
2023-11-01	1385.8	1339	1438.9	1380

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	Chess Molecules 16 June Tournament 2023 (Parents)	2023-06-16	2023-06-16	Rapid	Ekurhuleni (GE)	5	5	5	Yes	Analysis
2	Ekurhuleni Springs Open 4 March 2023 (A)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Ekurhuleni Chess Springs Club Open 2022 (B)	2022-09-03	2022-09-03	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules 16 June Tournament 2023
		date 2023-06-16	rnd 1	type Rapid	result 1	date 2023-06-16	rnd 5	type Rapid	result 1
		Opponent De Beer, G (Gertrud)				Opponent Kuraysha, I (Ismail)
2	2	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 3	type Standard	result 1
		Opponent Barnard, D (Darius)				Opponent Roodt, A (Anton Johan)
3	1	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 4	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Jaitas, K (Kittisak)				Opponent Jaitas, K (Kittisak)

#	Games	Start				End
1	2	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 3	type Standard	result 1
		Opponent Barnard, D (Darius)				Opponent Roodt, A (Anton Johan)
2	1	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 4	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Jaitas, K (Kittisak)				Opponent Jaitas, K (Kittisak)
3	1	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2022-09-03	rnd 5	type Standard	result 1	date 2022-09-03	rnd 5	type Standard	result 1
		Opponent Mongale, T (Tlhompo)				Opponent Mongale, T (Tlhompo)

#	Games	Start				End
1	5	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules 16 June Tournament 2023
		date 2023-06-16	rnd 1	type Rapid	result 1	date 2023-06-16	rnd 5	type Rapid	result 1
		Opponent De Beer, G (Gertrud)				Opponent Kuraysha, I (Ismail)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules 16 June Tournament 2023
		date 2023-06-16	rnd 1	type Rapid	result 1	date 2023-06-16	rnd 5	type Rapid	result 1
		Opponent De Beer, G (Gertrud)				Opponent Kuraysha, I (Ismail)
2	2	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 3	type Standard	result 1
		Opponent Barnard, D (Darius)				Opponent Roodt, A (Anton Johan)
3	1	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 4	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Jaitas, K (Kittisak)				Opponent Jaitas, K (Kittisak)

#	Games	Start				End
1	2	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 3	type Standard	result 1
		Opponent Barnard, D (Darius)				Opponent Roodt, A (Anton Johan)
2	1	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 4	type Standard	result 1	date 2023-03-04	rnd 4	type Standard	result 1
		Opponent Jaitas, K (Kittisak)				Opponent Jaitas, K (Kittisak)
3	1	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Ekurhuleni Chess Springs Club Open 2022
		date 2022-09-03	rnd 5	type Standard	result 1	date 2022-09-03	rnd 5	type Standard	result 1
		Opponent Mongale, T (Tlhompo)				Opponent Mongale, T (Tlhompo)

#	Games	Start				End
1	5	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules 16 June Tournament 2023
		date 2023-06-16	rnd 1	type Rapid	result 1	date 2023-06-16	rnd 5	type Rapid	result 1
		Opponent De Beer, G (Gertrud)				Opponent Kuraysha, I (Ismail)

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	Wallace ,A (Amy)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Wallace ,A (Amy)	1	1409.2	984.2	1	1400.2	984.2	0	0	0	0	0	0
2	Zingoni ,N (Ngaakudzwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Zingoni ,N (Ngaakudzwe)	1	1509.4	1084.4	1	1499.7	1084.4	0	0	0	0	0	0
3	Somenze ,K (Katlego)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Somenze ,K (Katlego)	1	1216.2	791.2	1	1220.6	791.2	0	0	0	0	0	0
4	Roodt ,A (Anton Johan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Roodt ,A (Anton Johan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mongale ,T (Tlhompo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mongale ,T (Tlhompo)	1	799.7	1224.7	1	806.8	1224.7	0	0	0	0	0	0
6	Ditsepeng ,M (Moteka Reamogetse)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ditsepeng ,M (Moteka Reamogetse)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Barnard ,D (Darius)	1	1	425	1	1	425	0	0	0	0	0	0
7	Barnard ,D (Darius)	1	1147.9	1572.9	1	1136	1572.9	0	0	0	0	0	0
8	Jaitas ,W (Worapat)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jaitas ,W (Worapat)	1	1445	1020	1	1434.5	1020	0	0	0	0	0	0
9	Jaitas ,K (Kittisak)	1	1	425	1	1	425	0	0	0	0	0	0
9	Jaitas ,K (Kittisak)	1	1610.6	2035.6	1	1600.1	2035.6	0	0	0	0	0	0
10	De Beer ,G (Gertrud)	1	1	425	0	0	0	1	1	425	0	0	0
10	De Beer ,G (Gertrud)	1	1223.5	1648.5	0	0	0	1	1240	1648.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Vos, RR (Ruben Ruaan)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms