Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kuhn, JC (Johannes Cornelius)

Chess SA id

1140317053

FIDE id

Date of birth

2014-01-23 (U14)

Gender

Male

Region

John Taolo Gaetswewe (NCJ)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1233.6	1238.2	1200	1200
Raw rating	1233.6	1238.2	1200	1200
Weighted rating	1224.1	1227.7	1200	1200
Weighted performance	0	0	0	0
Floor	747.2	756.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.1	157	165.8	165.8
Highest rating	1247.2 2025-04-01	1256.1 2025-04-01	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1247.2 2025-04-01	1256.1 2025-04-01	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1217.2 2025-09-01	1219.9 2025-09-01	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	0 1900-01-01	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	1233.6	1238.2	1200	1200
Analysis
Rating	1233.6	1238.2	1200	1200
Raw rating	1233.6	1238.2	1200	1200
Weighted rating	1224.1	1227.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	747.2	756.1	700	700
Max/Min rating change allowed	158.1	157	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	1233.6	1238.2	1200	1200
New weighted rating	1225.5	1229.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1233.6	1238.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1233.6	1238.2	1200	1200
New K-factor	36	36	36	36
New floor	747.2	756.1	700	700

Item	Main	Standard
	0	0
	20	20
	0	0
	0	0
	0	0
	0	0
History	20	20

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	John Taolo Gaetswewe (NCJ)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	20	10.5	52.5	21.2	1254.9	1276.2
Standard	20	10.5	52.5	21.2	1254.9	1276.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	10.5	52.5	21.2	1254.9	1276.2
Standard	20	10.5	52.5	21.2	1254.9	1276.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1233.6	1238.2	1200	1200
2025-11-30	1233.6	1238.2	1200	1200
2025-11-01	1233.6	1238.2	1200	1200
2025-09-30	1233.6	1238.2	1200	1200
2025-09-01	1233.6	1238.2	1200	1200
2025-08-01	1240.3	1246.5	1200	1200
2025-07-01	1240.3	1246.5	1200	1200
2025-06-01	1240.3	1246.5	1200	1200
2025-05-01	1240.3	1246.5	1200	1200
2025-04-01	1247.2	1256.1	1200	1200
2025-03-01	1200	1200	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
2024-11-01	1200	1200	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	Northern Cape Closed 202 (U12 Open)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
2	JTG Open Tournament 4 2025 (C)	2025-07-26	2025-07-26	Standard	John Taolo Gaetswewe (NCJ)	5	5	2.5	Yes	Analysis
3	JTG Open Tournament 2 2025 (C)	2025-04-12	2025-04-12	Standard	John Taolo Gaetswewe (NCJ)	5	5	2.5	Yes	Analysis
4	2025 JTG Open (C)	2025-03-01	2025-03-01	Standard	John Taolo Gaetswewe (NCJ)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament JTG Open Tournament 2 2025				Tournament JTG Open Tournament 4 2025
		date 2025-04-12	rnd 3	type Standard	result 0.5	date 2025-07-26	rnd 2	type Standard	result 0.5
		Opponent Njanjala, O (Olwethu)				Opponent Kgosieng, K (Kabo)
2	3	Tournament 2025 JTG Open				Tournament 2025 JTG Open
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 0.5
		Opponent Moleele, O (Ofentse)				Opponent Kotze, A (Ashferd)
3	2	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-22	rnd 2	type Standard	result 1	date 2025-08-23	rnd 3	type Standard	result 1
		Opponent Chimalizeni, J (Jayden)				Opponent Goodheart, A (Aiden)

#	Games	Start				End
1	5	Tournament JTG Open Tournament 2 2025				Tournament JTG Open Tournament 4 2025
		date 2025-04-12	rnd 3	type Standard	result 0.5	date 2025-07-26	rnd 2	type Standard	result 0.5
		Opponent Njanjala, O (Olwethu)				Opponent Kgosieng, K (Kabo)
2	3	Tournament 2025 JTG Open				Tournament 2025 JTG Open
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 0.5
		Opponent Moleele, O (Ofentse)				Opponent Kotze, A (Ashferd)
3	2	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-22	rnd 2	type Standard	result 1	date 2025-08-23	rnd 3	type Standard	result 1
		Opponent Chimalizeni, J (Jayden)				Opponent Goodheart, A (Aiden)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament JTG Open Tournament 2 2025				Tournament JTG Open Tournament 4 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Van Zyl, R (Rodine)				Opponent Mocumi, M (Mpho)
2	2	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-22	rnd 2	type Standard	result 1	date 2025-08-23	rnd 3	type Standard	result 1
		Opponent Chimalizeni, J (Jayden)				Opponent Goodheart, A (Aiden)
3	2	Tournament 2025 JTG Open				Tournament 2025 JTG Open
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Moleele, O (Ofentse)				Opponent Snewe, D (Damisha)

#	Games	Start				End
1	3	Tournament JTG Open Tournament 2 2025				Tournament JTG Open Tournament 4 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Van Zyl, R (Rodine)				Opponent Mocumi, M (Mpho)
2	2	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-22	rnd 2	type Standard	result 1	date 2025-08-23	rnd 3	type Standard	result 1
		Opponent Chimalizeni, J (Jayden)				Opponent Goodheart, A (Aiden)
3	2	Tournament 2025 JTG Open				Tournament 2025 JTG Open
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Moleele, O (Ofentse)				Opponent Snewe, D (Damisha)

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	Van Zyl ,R (Rodine)	2	1	0	2	1	0	0	0	0	0	0	0
1	Van Zyl ,R (Rodine)	2	1199.8	1199.8	2	1199.8	1199.8	0	0	0	0	0	0
2	Kotze ,A (Ashferd)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Kotze ,A (Ashferd)	2	1218.8	1006.2	2	1221.8	1006.2	0	0	0	0	0	0
3	Radha ,YA (Yugesh Aarumugam)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Radha ,YA (Yugesh Aarumugam)	1	1584.8	1159.8	1	1581.1	1159.8	0	0	0	0	0	0
4	Stevens ,L (Loverusca)	1	1	425	1	1	425	0	0	0	0	0	0
4	Stevens ,L (Loverusca)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Kongolo ,T (Tim Jadot)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kongolo ,T (Tim Jadot)	1	1277.6	852.6	1	1294.8	852.6	0	0	0	0	0	0
6	Kgosieng ,K (Kabo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Kgosieng ,K (Kabo)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Chimalizeni ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
7	Chimalizeni ,J (Jayden)	1	1229.7	1654.7	1	1236	1654.7	0	0	0	0	0	0
8	Van Der Ross ,L (Lamar)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Der Ross ,L (Lamar)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Mocumi ,M (Mpho)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mocumi ,M (Mpho)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Goodheart ,A (Aiden)	1	1	425	1	1	425	0	0	0	0	0	0
10	Goodheart ,A (Aiden)	1	1253.6	1678.6	1	1264.2	1678.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Kuhn, JC (Johannes Cornelius)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms