Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, C (Collen)

Chess SA id

1020318938

FIDE id

Date of birth

2002-11-25 (Adult)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1210.1	1212.3	1200	1200
Raw rating	1210.1	1212.3	1200	1200
Weighted rating	1204.3	1205.2	1200	1200
Weighted performance	0	0	0	0
Floor	710.1	712.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.4	162.9	165.8	165.8
Highest rating	1210.1 2025-05-05	1212.3 2025-05-05	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1210.1 2025-05-05	1212.3 2025-05-05	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1203 2025-08-01	1203.6 2025-08-01	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	1210.1	1212.3	1200	1200
Analysis
Rating	1210.1	1212.3	1200	1200
Raw rating	1210.1	1212.3	1200	1200
Weighted rating	1204.3	1205.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	710.1	712.3	700	700
Max/Min rating change allowed	163.4	162.9	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	1210.1	1212.3	1200	1200
New weighted rating	1204.9	1206	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1210.1	1212.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1210.1	1212.3	1200	1200
New K-factor	36	36	36	36
New floor	710.1	712.3	700	700

Item	Main	Standard
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	10	4	40	-85	1282.3	1197.3
Standard	10	4	40	-85	1282.3	1197.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4	40	-85	1282.3	1197.3
Standard	10	4	40	-85	1282.3	1197.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1210.1	1212.3	1200	1200
2025-09-01	1210.1	1212.3	1200	1200
2025-08-01	1210.1	1212.3	1200	1200
2025-07-01	1210.1	1212.3	1200	1200
2025-06-01	1210.1	1212.3	1200	1200
2025-05-01	1210.1	1212.3	1200	1200
2025-04-01	1198.8	1198.7	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
2024-08-01	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	Nelspruit Open 2025 (Open)	2025-04-05	2025-04-05	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
2	Challenger Chess Tounament 2025 (Open)	2025-03-29	2025-03-29	Standard	Ehlanzeni (MEN)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Nelspruit Open 2025 (Open)	2025-04-05	2025-04-05	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
2	Challenger Chess Tounament 2025 (Open)	2025-03-29	2025-03-29	Standard	Ehlanzeni (MEN)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Nelspruit Open 2025				Tournament Nelspruit Open 2025
		date 2025-04-05	rnd 2	type Standard	result 0.5	date 2025-04-05	rnd 3	type Standard	result 1
		Opponent Mtshweni, S (Sabelo)				Opponent Ngwato, B (Babalelo)
2	1	Tournament Nelspruit Open 2025				Tournament Nelspruit Open 2025
		date 2025-04-05	rnd 5	type Standard	result 1	date 2025-04-05	rnd 5	type Standard	result 1
		Opponent Nzimande, M (Manelisi)				Opponent Nzimande, M (Manelisi)
3	1	Tournament Challenger Chess Tounament 2025				Tournament Challenger Chess Tounament 2025
		date 2025-03-29	rnd 3	type Standard	result 0.5	date 2025-03-29	rnd 3	type Standard	result 0.5
		Opponent Muravha, N (Nbiwana)				Opponent Muravha, N (Nbiwana)

#	Games	Start				End
1	2	Tournament Nelspruit Open 2025				Tournament Nelspruit Open 2025
		date 2025-04-05	rnd 2	type Standard	result 0.5	date 2025-04-05	rnd 3	type Standard	result 1
		Opponent Mtshweni, S (Sabelo)				Opponent Ngwato, B (Babalelo)
2	1	Tournament Nelspruit Open 2025				Tournament Nelspruit Open 2025
		date 2025-04-05	rnd 5	type Standard	result 1	date 2025-04-05	rnd 5	type Standard	result 1
		Opponent Nzimande, M (Manelisi)				Opponent Nzimande, M (Manelisi)
3	1	Tournament Challenger Chess Tounament 2025				Tournament Challenger Chess Tounament 2025
		date 2025-03-29	rnd 3	type Standard	result 0.5	date 2025-03-29	rnd 3	type Standard	result 0.5
		Opponent Muravha, N (Nbiwana)				Opponent Muravha, N (Nbiwana)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Nelspruit Open 2025				Tournament Nelspruit Open 2025
		date 2025-04-05	rnd 5	type Standard	result 1	date 2025-04-05	rnd 5	type Standard	result 1
		Opponent Nzimande, M (Manelisi)				Opponent Nzimande, M (Manelisi)
2	1	Tournament Nelspruit Open 2025				Tournament Nelspruit Open 2025
		date 2025-04-05	rnd 3	type Standard	result 1	date 2025-04-05	rnd 3	type Standard	result 1
		Opponent Ngwato, B (Babalelo)				Opponent Ngwato, B (Babalelo)
3	1	Tournament Challenger Chess Tounament 2025				Tournament Challenger Chess Tounament 2025
		date 2025-03-29	rnd 1	type Standard	result 1	date 2025-03-29	rnd 1	type Standard	result 1
		Opponent Ndlovu, L (Lethukuhle)				Opponent Ndlovu, L (Lethukuhle)

#	Games	Start				End
1	1	Tournament Nelspruit Open 2025				Tournament Nelspruit Open 2025
		date 2025-04-05	rnd 5	type Standard	result 1	date 2025-04-05	rnd 5	type Standard	result 1
		Opponent Nzimande, M (Manelisi)				Opponent Nzimande, M (Manelisi)
2	1	Tournament Nelspruit Open 2025				Tournament Nelspruit Open 2025
		date 2025-04-05	rnd 3	type Standard	result 1	date 2025-04-05	rnd 3	type Standard	result 1
		Opponent Ngwato, B (Babalelo)				Opponent Ngwato, B (Babalelo)
3	1	Tournament Challenger Chess Tounament 2025				Tournament Challenger Chess Tounament 2025
		date 2025-03-29	rnd 1	type Standard	result 1	date 2025-03-29	rnd 1	type Standard	result 1
		Opponent Ndlovu, L (Lethukuhle)				Opponent Ndlovu, L (Lethukuhle)

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	Shongwe ,S (Sinele)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Shongwe ,S (Sinele)	1	1192.1	767.1	1	1199.6	767.1	0	0	0	0	0	0
2	Nzimande ,M (Manelisi)	1	1	425	1	1	425	0	0	0	0	0	0
2	Nzimande ,M (Manelisi)	1	1197.8	1622.8	1	1197.4	1622.8	0	0	0	0	0	0
3	Lubisi ,N (Ndodana)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lubisi ,N (Ndodana)	1	1350.3	925.3	1	1350.6	925.3	0	0	0	0	0	0
4	Ndlovu ,L (Lethukuhle)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ndlovu ,L (Lethukuhle)	1	1288.3	1713.3	1	1297.6	1713.3	0	0	0	0	0	0
5	Mtshweni ,S (Sabelo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Mtshweni ,S (Sabelo)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Khoza ,N (Ndumiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Khoza ,N (Ndumiso)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Muravha ,N (Nbiwana)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Muravha ,N (Nbiwana)	1	1235.8	1235.8	1	1238.6	1235.8	0	0	0	0	0	0
8	Ngwato ,B (Babalelo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ngwato ,B (Babalelo)	1	1198.6	1623.6	1	1198.2	1623.6	0	0	0	0	0	0
9	Dhludhlu ,SC (Seuntjie)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Dhludhlu ,SC (Seuntjie)	1	1534.5	1109.5	1	1527.6	1109.5	0	0	0	0	0	0
10	Mamba ,G (German)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mamba ,G (German)	1	1426.1	1001.1	1	1450.9	1001.1	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

Nkosi, C (Collen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms