Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, S (Sizwe)

Chess SA id

1990311658

FIDE id

Date of birth

1999-12-10 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1214.9	1214.7	1200	1200
Raw rating	1214.9	1214.3	1200	1200
Weighted rating	1212.9	1214.7	1200	1200
Weighted performance	0	0	0	0
Floor	734	738.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.3	162.5	165.8	165.8
Highest rating	1259.4 2024-09-01	1264.5 2024-09-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1234 2025-09-30	1238.1 2025-09-30	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1216.2 2024-10-01	1218.9 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1259.4 2024-09-01	1264.5 2024-09-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.3	0	0
New rating	1214.9	1215	1200	1200
Analysis
Rating	1214.9	1214.7	1200	1200
Raw rating	1214.9	1214.3	1200	1200
Weighted rating	1212.9	1214.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	734	738.1	700	700
Max/Min rating change allowed	162.3	162.5	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	1214.9	1214.3	1200	1200
New weighted rating	1213.4	1215	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1214.9	1215	1200	1200
Temp new rating +/-	0	0.3	0	0
Final new rating +/-	0	0.3	0	0
New rating	1214.9	1215	1200	1200
New K-factor	36	36	36	36
New floor	734	738.1	700	700

Item	Main	Standard
	0	0
	16	16
	5	5
	0	0
	0	0
	0	0
History	21	21

Games since
	Main 21	Standard 21		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
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	16	7	43.75	-53.1	1276.1	1222.9
Standard	16	7	43.75	-53.1	1276.1	1222.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	10	47.62	-20.2	1249.1	1228.9
Standard	21	10	47.62	-20.2	1249.1	1228.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1214.9	1214.3	1200	1200
2025-09-30	1234	1238.1	1200	1200
2025-09-01	1214.6	1216.5	1200	1200
2025-08-01	1214.6	1216.5	1200	1200
2025-07-01	1214.6	1216.5	1200	1200
2025-06-01	1214.6	1216.5	1200	1200
2025-05-01	1214.6	1216.5	1200	1200
2025-04-01	1214.6	1216.5	1200	1200
2025-03-01	1214.6	1216.5	1200	1200
2025-02-01	1216.2	1218.9	1200	1200
2025-01-01	1211	1214.4	1200	1200
2024-12-01	1211	1214.4	1200	1200
2024-11-01	1211	1214.4	1200	1200
2024-10-01	1211	1214.4	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	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	UJ @20years Open Chess Championship 2025 (B)	2025-10-18	2025-10-18	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
2	Gert Sibande Open Championship 2025 (Open)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
3	Gert Sibande Open Championship 2025 (C)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	0	0	No	Analysis
4	JMC Crawford Ruimsig 2025 (B)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
5	2025 KSNG Open (D)	2025-02-22	2025-02-22	Standard	Tshwane (GTP)	5	0	0	No	Analysis
6	CPH Primrose Open 2025 (B)	2025-02-08	2025-02-08	Standard	Ekurhuleni (GE)	5	3	1.5	Yes	Analysis
7	2025 Tshwane Chess OPEN Registration Tournament (B1)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UJ @20years Open Chess Championship 2025 (B)	2025-10-18	2025-10-18	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
2	Gert Sibande Open Championship 2025 (Open)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
3	Gert Sibande Open Championship 2025 (C)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	0	0	No	Analysis
4	JMC Crawford Ruimsig 2025 (B)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
5	2025 KSNG Open (D)	2025-02-22	2025-02-22	Standard	Tshwane (GTP)	5	0	0	No	Analysis
6	CPH Primrose Open 2025 (B)	2025-02-08	2025-02-08	Standard	Ekurhuleni (GE)	5	3	1.5	Yes	Analysis
7	2025 Tshwane Chess OPEN Registration Tournament (B1)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
8	2024 Gauteng North Open Chess Tournament (B)	2024-10-05	2024-10-06	Standard	Tshwane (GTP)	5	0	0	No	Analysis
9	2024 Tuks Open Chess Tournament (C)	2024-09-28	2024-09-28	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2024 Tuks Open Chess Tournament				Tournament 2024 Tuks Open Chess Tournament
		date 2024-09-28	rnd 2	type Standard	result 1	date 2024-09-28	rnd 4	type Standard	result 1
		Opponent Deetlefs, Q (Quinn)				Opponent Maslekar, S (Siddhant)
2	2	Tournament Gert Sibande Open Championship 2025				Tournament Gert Sibande Open Championship 2025
		date 2025-09-24	rnd 4	type Standard	result 1	date 2025-09-24	rnd 5	type Standard	result 1
		Opponent Mofokeng, S (Siyabonga)				Opponent Masinga, V (Vusi)
3	2	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 0.5
		Opponent Shina, M (Maor)				Opponent Chupo, T (Thato)

#	Games	Start				End
1	3	Tournament 2024 Tuks Open Chess Tournament				Tournament 2024 Tuks Open Chess Tournament
		date 2024-09-28	rnd 2	type Standard	result 1	date 2024-09-28	rnd 4	type Standard	result 1
		Opponent Deetlefs, Q (Quinn)				Opponent Maslekar, S (Siddhant)
2	2	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 0.5
		Opponent Shina, M (Maor)				Opponent Chupo, T (Thato)
3	2	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 0.5
		Opponent Rambritch, R (Rishik)				Opponent Govender, P (Pranau)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2024 Tuks Open Chess Tournament				Tournament 2024 Tuks Open Chess Tournament
		date 2024-09-28	rnd 2	type Standard	result 1	date 2024-09-28	rnd 4	type Standard	result 1
		Opponent Deetlefs, Q (Quinn)				Opponent Maslekar, S (Siddhant)
2	1	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Shina, M (Maor)				Opponent Shina, M (Maor)
3	1	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Rambritch, R (Rishik)				Opponent Rambritch, R (Rishik)

#	Games	Start				End
1	3	Tournament 2024 Tuks Open Chess Tournament				Tournament 2024 Tuks Open Chess Tournament
		date 2024-09-28	rnd 2	type Standard	result 1	date 2024-09-28	rnd 4	type Standard	result 1
		Opponent Deetlefs, Q (Quinn)				Opponent Maslekar, S (Siddhant)
2	1	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Shina, M (Maor)				Opponent Shina, M (Maor)
3	1	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Rambritch, R (Rishik)				Opponent Rambritch, R (Rishik)

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	Rambritch ,R (Rishik)	1	1	425	1	1	425	0	0	0	0	0	0
1	Rambritch ,R (Rishik)	1	1328.8	1753.8	1	1318.2	1753.8	0	0	0	0	0	0
2	Yimani ,K (Kshitij)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Yimani ,K (Kshitij)	1	1297.3	872.3	1	1299.6	872.3	0	0	0	0	0	0
3	Chupo ,T (Thato)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Chupo ,T (Thato)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Mabelesa ,M (Mpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mabelesa ,M (Mpho)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Visser ,A (Aaron)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Visser ,A (Aaron)	1	1372.3	947.3	1	1365.7	947.3	0	0	0	0	0	0
6	Deetlefs ,Q (Quinn)	1	1	425	1	1	425	0	0	0	0	0	0
6	Deetlefs ,Q (Quinn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Ritshuri ,N (Nkateko)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ritshuri ,N (Nkateko)	1	1483.4	1058.4	1	1491.8	1058.4	0	0	0	0	0	0
8	Mathibela ,BBM (Bhono)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mathibela ,BBM (Bhono)	1	1251.7	1676.7	1	1215	1676.7	0	0	0	0	0	0
9	Smith ,G (Gordon)	1	1	425	1	1	425	0	0	0	0	0	0
9	Smith ,G (Gordon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mazibuko ,S (Siphamandla)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mazibuko ,S (Siphamandla)	1	1024.6	599.6	1	1050	599.6	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

Nkosi, S (Sizwe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms