Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janse van Rensburg, O (Oliver)

Chess SA id

1160314670

FIDE id

Date of birth

2016-07-09 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

21.7

Junior GPX Points

1131.5

Item	Main	Standard	Rapid	Blitz
Rating	1203.2	1208.6	1199.6	1200
Raw rating	1202.5	1208.6	1199.6	1200
Weighted rating	1203.2	1208	1199.6	1200
Weighted performance	1079	0	0	0
Floor	718.8	723.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.2	163.8	165.9	165.8
Highest rating	1218.8 2025-04-01	1223.5 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1218.8 2025-04-01	1223.5 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1218.8 2025-05-05	1207.3 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	1102.4 2025-08-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1203.2	1208.6	1199.6	1200
Analysis
Rating	1203.2	1208.6	1199.6	1200
Raw rating	1202.5	1208.6	1199.6	1200
Weighted rating	1203.2	1208	1199.6
Weighted performance	1079	0	0
K-factor	36	36	36	36
Floor	718.8	723.5	700	700
Max/Min rating change allowed	165.2	163.8	165.9	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	1202.5	1208.6	1199.6	1200
New weighted rating	1203.2	1208.3	1199.6	1200
New weighted performance	1078.7	0	0	0
Temp new rating	1203.2	1208.6	1199.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1203.2	1208.6	1199.6	1200
New K-factor	36	36	36	36
New floor	718.8	723.5	700	700

Item	Main	Standard	Rapid
	0	0	0
	25	20	5
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	25	20	5

Games since
	Main 25	Standard 20		Rapid 5		Blitz 0
Gender	Male
Age group	U10
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	25	10.5	42	-68	1227.8	1159.8
Standard	20	9.5	47.5	-21.2	1216.2	1194.9
Rapid	5	1	20	-255	1274.4	1019.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	10.5	42	-68	1227.8	1159.8
Standard	20	9.5	47.5	-21.2	1216.2	1194.9
Rapid	5	1	20	-255	1274.4	1019.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1202.5	1208.6	1199.6	1200
2025-09-01	1202.5	1208.6	1199.6	1200
2025-08-01	1202.5	1208.6	1199.6	1200
2025-07-01	1203	1223.5	1199.4	1200
2025-06-01	1202.8	1223.5	1196	1200
2025-05-01	1218.8	1223.5	1200	1200
2025-04-01	1218.8	1223.5	1200	1200
2025-03-01	1198.5	1198.2	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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Dennie Chess Rapid Tournament Open 2025 (U9)	2025-05-24	2025-05-24	Rapid	Eden (WEG)	5	5	1	Yes	Analysis
3	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Dennie Chess Rapid Tournament Open 2025 (U9)	2025-05-24	2025-05-24	Rapid	Eden (WEG)	5	5	1	Yes	Analysis
3	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament George Schools Chess Trials 3 2025				Tournament Dennie Chess Rapid Tournament Open 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-05-24	rnd 1	type Rapid	result 1
		Opponent Roelfse, J (Jonah)				Opponent Ruiters, Z (Zayaan)
2	3	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 1 2025
		date 2025-02-01	rnd 2	type Standard	result 0.5	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Haupt, G (Grayson)				Opponent Gouws, R (Rickus)
3	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Davis, M (Mason)				Opponent Fourie, T (Tylon)

#	Games	Start				End
1	3	Tournament George Schools Chess Trials 3 2025				Tournament George Top Schools 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Roelfse, J (Jonah)				Opponent Smit, H (Hunter)
2	3	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 1 2025
		date 2025-02-01	rnd 2	type Standard	result 0.5	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Haupt, G (Grayson)				Opponent Gouws, R (Rickus)
3	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Davis, M (Mason)				Opponent Fourie, T (Tylon)

#	Games	Start				End
1	1	Tournament Dennie Chess Rapid Tournament Open 2025				Tournament Dennie Chess Rapid Tournament Open 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 1	type Rapid	result 1
		Opponent Ruiters, Z (Zayaan)				Opponent Ruiters, Z (Zayaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament George Schools Chess Trials 3 2025				Tournament Dennie Chess Rapid Tournament Open 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-05-24	rnd 1	type Rapid	result 1
		Opponent Roelfse, J (Jonah)				Opponent Ruiters, Z (Zayaan)
2	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Davis, M (Mason)				Opponent Fourie, T (Tylon)
3	2	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 1 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Bester, B (Benjamin)				Opponent Gouws, R (Rickus)

#	Games	Start				End
1	3	Tournament George Schools Chess Trials 3 2025				Tournament George Top Schools 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Roelfse, J (Jonah)				Opponent Smit, H (Hunter)
2	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Davis, M (Mason)				Opponent Fourie, T (Tylon)
3	2	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 1 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Bester, B (Benjamin)				Opponent Gouws, R (Rickus)

#	Games	Start				End
1	1	Tournament Dennie Chess Rapid Tournament Open 2025				Tournament Dennie Chess Rapid Tournament Open 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 1	type Rapid	result 1
		Opponent Ruiters, Z (Zayaan)				Opponent Ruiters, Z (Zayaan)

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	Cornforth ,J (Joshua)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Cornforth ,J (Joshua)	2	1213.2	788.2	1	1201.7	788.2	1	1200	788.2	0	0	0
2	Kotze ,N (Nicholas)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Kotze ,N (Nicholas)	1	1260	835	1	1251.2	835	0	0	0	0	0	0
3	Damane ,D (Dinga)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Damane ,D (Dinga)	1	1179.7	754.7	1	1175.9	754.7	0	0	0	0	0	0
4	Marner ,L (Loannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Marner ,L (Loannes)	1	1256.8	831.8	1	1279.6	831.8	0	0	0	0	0	0
5	Lawa ,V (Veretariki)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Lawa ,V (Veretariki)	1	1303.4	878.4	1	1305	878.4	0	0	0	0	0	0
6	Smit ,H (Hunter)	1	1	425	1	1	425	0	0	0	0	0	0
6	Smit ,H (Hunter)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Bester ,B (Benjamin)	1	1	425	1	1	425	0	0	0	0	0	0
7	Bester ,B (Benjamin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Davis ,M (Mason)	1	1	425	1	1	425	0	0	0	0	0	0
8	Davis ,M (Mason)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Basson ,M (Malik)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Basson ,M (Malik)	1	1197.3	772.3	1	1199	772.3	0	0	0	0	0	0
10	Gouws ,R (Rickus)	1	1	425	1	1	425	0	0	0	0	0	0
10	Gouws ,R (Rickus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Janse van Rensburg, O (Oliver)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms