Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janse Van Rensburg, K (Kobus)

Chess SA id

1180306729

FIDE id

Date of birth

2018-01-19 (U10)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1249.7	1257.3	1200	1200
Raw rating	1234.8	1234.4	1200	1200
Weighted rating	1249.7	1257.3	1200	1200
Weighted performance	0	0	0	0
Floor	787.9	803.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.8	157.9	165.8	165.8
Highest rating	1467.2 2024-07-01	1467.4 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1287.9 2025-08-01	1303.2 2025-08-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1250.1 2025-11-01	1258.9 2025-11-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1467.2 2024-07-01	1467.4 2024-07-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.4	-0.9	0	0
New rating	1249.3	1256.4	1200	1200
Analysis
Rating	1249.7	1257.3	1200	1200
Raw rating	1234.8	1234.4	1200	1200
Weighted rating	1249.7	1257.3	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	787.9	803.2	700	700
Max/Min rating change allowed	157.8	157.9	165.8	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	1234.8	1234.4	1200	1200
New weighted rating	1249.3	1256.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1249.3	1256.4	1200	1200
Temp new rating +/-	-0.4	-0.9	0	0
Final new rating +/-	-0.4	-0.9	0	0
New rating	1249.3	1256.4	1200	1200
New K-factor	36	36	36	36
New floor	787.9	803.2	700	700

Item	Main	Standard
	0	0
	14	14
	5	5
	0	0
	0	0
	0	0
History	19	19

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	U8
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 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	7	50	0	1234.4	1234.4
Standard	14	7	50	0	1234.4	1234.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	19	11	57.89	67.1	1226	1293.2
Standard	19	11	57.89	67.1	1226	1293.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1234.8	1234.4	1200	1200
2025-11-30	1234.8	1234.4	1200	1200
2025-11-01	1234.8	1234.4	1200	1200
2025-09-30	1285.9	1298.5	1200	1200
2025-09-01	1285.9	1298.5	1200	1200
2025-08-01	1287.9	1303.2	1200	1200
2025-07-01	1248.8	1258.8	1200	1200
2025-06-01	1248.8	1258.8	1200	1200
2025-05-01	1248.8	1258.8	1200	1200
2025-04-01	1248.8	1258.8	1200	1200
2025-03-01	1248.8	1258.8	1200	1200
2025-02-01	1248.8	1258.8	1200	1200
2025-01-01	1248.8	1258.8	1200	1200
2024-12-01	1248.8	1258.8	1200	1200
2024-11-01	1248.8	1258.8	1200	1200
2024-10-01	1248.8	1258.8	1200	1200
2024-09-01	1248.8	1258.8	1200	1200
2024-11-01	1248.8	1258.8	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	2025 Gauteng Top Schools Teams (U9)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	2025 Tshwane North District CLOSED Team Championships (D3) (U9)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
3	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U9)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
4	2024 Tshwane North School District Cluster 4 & 5 Team League (U9)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2024-07-20	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Monareng, L (Letlotlo)				Opponent Aucamp, M (Mila)
2	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Stoman, D (Danielle)				Opponent Makwela, T (Thabiso)
3	1	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-29	rnd 4	type Standard	result 1	date 2025-08-29	rnd 4	type Standard	result 1
		Opponent Todd, M (Micca Xyleen)				Opponent Todd, M (Micca Xyleen)

#	Games	Start				End
1	6	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2024-07-20	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Monareng, L (Letlotlo)				Opponent Aucamp, M (Mila)
2	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Stoman, D (Danielle)				Opponent Makwela, T (Thabiso)
3	1	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Buthelei, K (Kagiso)				Opponent Buthelei, K (Kagiso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2024-07-20	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Monareng, L (Letlotlo)				Opponent Aucamp, M (Mila)
2	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Stoman, D (Danielle)				Opponent Makwela, T (Thabiso)
3	1	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Buthelei, K (Kagiso)				Opponent Buthelei, K (Kagiso)

#	Games	Start				End
1	6	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2024-07-20	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Monareng, L (Letlotlo)				Opponent Aucamp, M (Mila)
2	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Stoman, D (Danielle)				Opponent Makwela, T (Thabiso)
3	1	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Buthelei, K (Kagiso)				Opponent Buthelei, K (Kagiso)

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	Ebersohn ,C (Christiaan)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Ebersohn ,C (Christiaan)	3	1383.3	958.3	3	1384.8	958.3	0	0	0	0	0	0
2	Stoman ,D (Danielle)	1	1	425	1	1	425	0	0	0	0	0	0
2	Stoman ,D (Danielle)	1	1186.1	1611.1	1	1182.8	1611.1	0	0	0	0	0	0
3	Grobler ,D (Divan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Grobler ,D (Divan)	1	1199.6	1624.6	1	1199.6	1624.6	0	0	0	0	0	0
4	Oarabile ,A (Aphane)	1	1	425	1	1	425	0	0	0	0	0	0
4	Oarabile ,A (Aphane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Makhanda ,A (Aphiwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Makhanda ,A (Aphiwe)	1	1199.7	774.7	1	1199.7	774.7	0	0	0	0	0	0
6	Buthelei ,K (Kagiso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Buthelei ,K (Kagiso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Corneelsen ,E (Estian)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Corneelsen ,E (Estian)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Todd ,M (Micca Xyleen)	1	1	425	1	1	425	0	0	0	0	0	0
8	Todd ,M (Micca Xyleen)	1	1190.8	1615.8	1	1188.7	1615.8	0	0	0	0	0	0
9	Cromhout ,Z (Zandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Cromhout ,Z (Zandre)	1	1219.3	794.3	1	1222.4	794.3	0	0	0	0	0	0
10	Aucamp ,M (Mila)	1	1	425	1	1	425	0	0	0	0	0	0
10	Aucamp ,M (Mila)	1	1151.8	1576.8	1	1152.5	1576.8	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, K (Kobus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms