Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, B (Bonginkosi)

Chess SA id

103061766

FIDE id

Date of birth

2003-03-14 (Adult)

Gender

Male

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1347.1	1340.5	1267.8	1200
Raw rating	1347.1	1340.5	1267.8	1200
Weighted rating	1340.4	1340.5	1255.8	1200
Weighted performance	1130.9	0	0	0
Floor	847.1	840.5	767.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	134.5	135.7	150.6	165.8
Highest rating	1403.9 2023-10-01	1462.9 2023-10-01	1429.1 2021-12-01	1200 2018-10-01
Highest raw rating	1347.1 2025-09-30	1340.5 2024-02-01	1267.8 2025-09-30	1200 2024-02-01
Highest weighted rating	1340.4 2025-09-30	1340.3 2025-08-01	1255.8 2025-09-30	1200 2018-10-01
Highest weighted performance	1403.9 2023-10-01	1462.9 2023-10-01	1429.1 2021-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1347.1	1340.5	1267.8	1200
Analysis
Rating	1347.1	1340.5	1267.8	1200
Raw rating	1347.1	1340.5	1267.8	1200
Weighted rating	1340.4	1340.5	1255.8
Weighted performance	1130.9	0	0
K-factor	36	36	36	36
Floor	847.1	840.5	767.8	700
Max/Min rating change allowed	134.5	135.7	150.6	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	1347.1	1340.5	1267.8	1200
New weighted rating	1341	1340.5	1256.8	1200
New weighted performance	1130.4	0	0	0
Temp new rating	1347.1	1340.5	1267.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1347.1	1340.5	1267.8	1200
New K-factor	36	36	36	36
New floor	847.1	840.5	767.8	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	0	0	0
	12	12	0
	9	9	0
	6	0	6
History	39	27	12

Games since
	Main 12	Standard 6		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Gert Sibande (MGS)
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	6	4	66.67	141.7	1245.7	1387.4
Standard	0	0	0	0	0	0
Rapid	6	4	66.67	141.7	1245.7	1387.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	33	18	54.55	38.6	1380.7	1419.3
Standard	21	10.5	50	0	1414.6	1414.6
Rapid	12	7.5	62.5	106.2	1321.4	1427.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1347.1	1340.5	1267.8	1200
2025-09-01	1339.8	1340.5	1254.8	1200
2025-08-01	1339.8	1340.5	1254.8	1200
2025-07-01	1339.8	1340.5	1254.8	1200
2025-06-01	1339.8	1340.5	1254.8	1200
2025-05-01	1339.8	1340.5	1254.8	1200
2025-04-01	1339.8	1340.5	1254.8	1200
2025-03-01	1339.8	1340.5	1254.8	1200
2025-02-01	1339.8	1340.5	1254.8	1200
2025-01-01	1339.8	1340.5	1254.8	1200
2024-12-01	1339.8	1340.5	1254.8	1200
2024-11-01	1339.8	1340.5	1254.8	1200
2024-10-01	1339.8	1340.5	1254.8	1200
2024-09-01	1339.8	1340.5	1254.8	1200
2024-08-01	1339.8	1340.5	1254.8	1200
2024-07-01	1339.8	1340.5	1254.8	1200
2024-06-01	1339.8	1340.5	1254.8	1200
2024-08-01	1339.8	1340.5	1254.8	1200
2024-04-01	1339.8	1340.5	1254.8	1200
2024-03-01	1339.8	1340.5	1254.8	1200
2024-02-01	1339.8	1340.5	1254.8	1200
2024-01-01	1339.8	1340.5	1254.8	1200
2023-12-01	1339.8	1340.5	1254.8	1200
2023-11-01	1339.8	1340.5	1254.8	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	Mpumalanga Regional Chess Trials 2025 (Open)	2025-09-20	2025-09-20	Rapid	Gert Sibande (MGS)	6	6	4	Yes	Analysis
2	Gert Sibande Open Championship 2025 (Open)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mpumalanga Regional Chess Trials 2025 (Open)	2025-09-20	2025-09-20	Rapid	Gert Sibande (MGS)	6	6	4	Yes	Analysis
2	Gert Sibande Open Championship 2025 (Open)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	0	0	No	Analysis
3	2023 UCC Durban Open (A)	2023-10-28	2023-10-29	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
4	2023 Heritage Day Open (A)	2023-09-23	2023-09-24	Standard	Ethekwini (KED)	6	6	3	Yes	Analysis
5	Ussa Chess Championships 2022 (Open)	2022-12-05	2022-12-09	Standard	Frances Baard (NCF)	9	9	4	Yes	Analysis
6	Umhlanga Rapid 2021 (A)	2021-12-04	2021-12-04	Rapid	iLembe (KIK)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2023 UCC Durban Open				Tournament 2023 UCC Durban Open
		date 2023-10-29	rnd 4	type Standard	result 0.5	date 2023-10-29	rnd 6	type Standard	result 1
		Opponent Nxumalo, Q (Qiniso)				Opponent Ngcongo, N (Nkululeko)
2	3	Tournament Umhlanga Rapid 2021				Tournament Umhlanga Rapid 2021
		date 2021-12-04	rnd 4	type Rapid	result 1	date 2021-12-04	rnd 6	type Rapid	result 0.5
		Opponent Mkhwanazi, T (Thobani)				Opponent Sibiya, C (Cebolenkosi)
3	2	Tournament 2023 Heritage Day Open				Tournament 2023 Heritage Day Open
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-23	rnd 3	type Standard	result 1
		Opponent Krimm, K (Kaelan)				Opponent Mthembu, Z (Zolani)

#	Games	Start				End
1	3	Tournament 2023 UCC Durban Open				Tournament 2023 UCC Durban Open
		date 2023-10-29	rnd 4	type Standard	result 0.5	date 2023-10-29	rnd 6	type Standard	result 1
		Opponent Nxumalo, Q (Qiniso)				Opponent Ngcongo, N (Nkululeko)
2	2	Tournament 2023 Heritage Day Open				Tournament 2023 Heritage Day Open
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-23	rnd 3	type Standard	result 1
		Opponent Krimm, K (Kaelan)				Opponent Mthembu, Z (Zolani)
3	2	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 6	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Somenza, K (Katlego)				Opponent Magxala, T (Talent)

#	Games	Start				End
1	3	Tournament Umhlanga Rapid 2021				Tournament Umhlanga Rapid 2021
		date 2021-12-04	rnd 4	type Rapid	result 1	date 2021-12-04	rnd 6	type Rapid	result 0.5
		Opponent Mkhwanazi, T (Thobani)				Opponent Sibiya, C (Cebolenkosi)
2	1	Tournament Umhlanga Rapid 2021				Tournament Umhlanga Rapid 2021
		date 2021-12-04	rnd 2	type Rapid	result 1	date 2021-12-04	rnd 2	type Rapid	result 1
		Opponent Msibi, A (Andiswa)				Opponent Msibi, A (Andiswa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2023 UCC Durban Open				Tournament 2023 UCC Durban Open
		date 2023-10-29	rnd 5	type Standard	result 1	date 2023-10-29	rnd 6	type Standard	result 1
		Opponent Mavunda, R (Razaq)				Opponent Ngcongo, N (Nkululeko)
2	2	Tournament 2023 Heritage Day Open				Tournament 2023 Heritage Day Open
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-23	rnd 3	type Standard	result 1
		Opponent Krimm, K (Kaelan)				Opponent Mthembu, Z (Zolani)
3	2	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 6	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Somenza, K (Katlego)				Opponent Magxala, T (Talent)

#	Games	Start				End
1	2	Tournament 2023 UCC Durban Open				Tournament 2023 UCC Durban Open
		date 2023-10-29	rnd 5	type Standard	result 1	date 2023-10-29	rnd 6	type Standard	result 1
		Opponent Mavunda, R (Razaq)				Opponent Ngcongo, N (Nkululeko)
2	2	Tournament 2023 Heritage Day Open				Tournament 2023 Heritage Day Open
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-23	rnd 3	type Standard	result 1
		Opponent Krimm, K (Kaelan)				Opponent Mthembu, Z (Zolani)
3	2	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 6	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Somenza, K (Katlego)				Opponent Magxala, T (Talent)

#	Games	Start				End
1	2	Tournament Umhlanga Rapid 2021				Tournament Umhlanga Rapid 2021
		date 2021-12-04	rnd 4	type Rapid	result 1	date 2021-12-04	rnd 5	type Rapid	result 1
		Opponent Mkhwanazi, T (Thobani)				Opponent Pillemer, R (Robbie)
2	1	Tournament Umhlanga Rapid 2021				Tournament Umhlanga Rapid 2021
		date 2021-12-04	rnd 2	type Rapid	result 1	date 2021-12-04	rnd 2	type Rapid	result 1
		Opponent Msibi, A (Andiswa)				Opponent Msibi, A (Andiswa)

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	Subke ,JJ (Jason James)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Subke ,JJ (Jason James)	2	1795.7	1370.7	1	1766.5	1370.7	1	1852.6	1370.7	0	0	0
2	Ngcobo ,M (Muzwandile)	2	2	425	0	0	0	2	2	425	0	0	0
2	Ngcobo ,M (Muzwandile)	2	1057.3	1482.3	0	0	0	2	604.6	1482.3	0	0	0
3	Mofokeng ,S (Siyabonga)	2	1	0	0	0	0	2	1	0	0	0	0
3	Mofokeng ,S (Siyabonga)	2	1200	1200	0	0	0	2	1200	1200	0	0	0
4	Machacha ,D (Doctor)	2	1	0	0	0	0	2	1	0	0	0	0
4	Machacha ,D (Doctor)	2	1479.7	1479.7	0	0	0	2	1462.5	1479.7	0	0	0
5	Varghese ,A (Alan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Varghese ,A (Alan)	1	1421	1846	1	1395.1	1846	0	0	0	0	0	0
6	Magxala ,T (Talent)	1	1	425	1	1	425	0	0	0	0	0	0
6	Magxala ,T (Talent)	1	1361.4	1786.4	1	1386.1	1786.4	0	0	0	0	0	0
7	Motlhamke ,D (Ditebogo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Motlhamke ,D (Ditebogo)	1	1401.8	976.8	1	1395.9	976.8	0	0	0	0	0	0
8	Mbokazi ,B (Banele)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mbokazi ,B (Banele)	1	1552.2	1127.2	1	1546.5	1127.2	0	0	0	0	0	0
9	Danisa ,CT (Cyril Thanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Danisa ,CT (Cyril Thanda)	1	1680.6	1255.6	1	1690.8	1255.6	0	0	0	0	0	0
10	Dumakude ,N (Nkululeko)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Dumakude ,N (Nkululeko)	1	1498.8	1073.8	1	1496	1073.8	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, B (Bonginkosi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms