Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mthembu, B (Bonginkosi)

Chess SA id

1100311561

FIDE id

Date of birth

2010-12-27 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

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	1266.1	1200	1296.5	1200
Raw rating	1266.1	1200	1296.5	1200
Weighted rating	1233.3	1200	1253.6	1200
Weighted performance	0	0	0	0
Floor	766.1	700	796.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	150.9	165.8	144.5	165.8
Highest rating	1376.7 2024-09-01	1200 2024-10-01	1456.5 2024-09-01	1200 2024-10-01
Highest raw rating	1266.1 2025-11-01	1200 2024-10-01	1296.5 2025-11-01	1200 2024-10-01
Highest weighted rating	1238.2 2024-10-01	1200 2024-10-01	1261.6 2024-10-01	1200 2024-10-01
Highest weighted performance	1376.7 2024-09-01	1200 2024-10-01	1456.5 2024-09-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1266.1	1200	1296.5	1200
Analysis
Rating	1266.1	1200	1296.5	1200
Raw rating	1266.1	1200	1296.5	1200
Weighted rating	1233.3	1200	1253.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	766.1	700	796.5	700
Max/Min rating change allowed	150.9	165.8	144.5	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	1266.1	1200	1296.5	1200
New weighted rating	1236.7	1200	1258.3	1200
New weighted performance	0	0	0	0
Temp new rating	1266.1	1200	1296.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1266.1	1200	1296.5	1200
New K-factor	36	36	36	36
New floor	766.1	700	796.5	700

Item	Main	Rapid
	0	0
	11	11
	11	11
	0	0
	0	0
	0	0
History	22	22

Games since
	Main 22	Standard 0		Rapid 22		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1079		193		85
Male	881		153		76
U16	162		20		10
U16 Male	129		14		9
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	11	7	63.64	115.9	1212.8	1328.8
Standard	0	0	0	0	0	0
Rapid	11	7	63.64	115.9	1212.8	1328.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	14.5	65.91	135.2	1208.3	1343.6
Standard	0	0	0	0	0	0
Rapid	22	14.5	65.91	135.2	1208.3	1343.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1266.1	1200	1296.5	1200
2025-09-30	1239.1	1200	1268.1	1200
2025-09-01	1238.2	1200	1261.6	1200
2025-08-01	1238.2	1200	1261.6	1200
2025-07-01	1238.2	1200	1261.6	1200
2025-06-01	1238.2	1200	1261.6	1200
2025-05-01	1238.2	1200	1261.6	1200
2025-04-01	1238.2	1200	1261.6	1200
2025-03-01	1238.2	1200	1261.6	1200
2025-02-01	1238.2	1200	1261.6	1200
2025-01-01	1238.2	1200	1261.6	1200
2024-12-01	1238.2	1200	1261.6	1200
2024-11-01	1238.2	1200	1261.6	1200
2024-10-01	1232.4	1200	1261.6	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	SACSSA Nationals 2025 (U15 Boys)	2025-10-18	2025-10-18	Rapid	Ekurhuleni (GE)	6	6	4	Yes	Analysis
2	G7 Regional Chess Tournament 2025 (U15)	2025-09-13	2025-09-13	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SACSSA Nationals 2025 (U15 Boys)	2025-10-18	2025-10-18	Rapid	Ekurhuleni (GE)	6	6	4	Yes	Analysis
2	G7 Regional Chess Tournament 2025 (U15)	2025-09-13	2025-09-13	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	SACSSA Nationals 2024 (U15 Boys)	2024-10-19	2024-10-19	Rapid	Ekurhuleni (GE)	6	6	3.5	Yes	Analysis
4	SACSSA G7 Regional 2024 (U19)	2024-09-04	2024-09-04	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament SACSSA Nationals 2024				Tournament G7 Regional Chess Tournament 2025
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 2	type Rapid	result 1
		Opponent Van Staden, M (Miciah)				Opponent Tabane, K (Kimani)
2	3	Tournament SACSSA Nationals 2025				Tournament SACSSA Nationals 2025
		date 2025-10-18	rnd 4	type Rapid	result 1	date 2025-10-18	rnd 6	type Rapid	result 1
		Opponent Joubert, L (Liam)				Opponent Jeme, L (Lesedi)
3	3	Tournament SACSSA G7 Regional 2024				Tournament SACSSA G7 Regional 2024
		date 2024-09-04	rnd 1	type Rapid	result 1	date 2024-09-04	rnd 3	type Rapid	result 1
		Opponent Coote, S (Seth)				Opponent Polack, B (Ben)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament SACSSA Nationals 2024				Tournament G7 Regional Chess Tournament 2025
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 2	type Rapid	result 1
		Opponent Van Staden, M (Miciah)				Opponent Tabane, K (Kimani)
2	3	Tournament SACSSA G7 Regional 2024				Tournament SACSSA G7 Regional 2024
		date 2024-09-04	rnd 1	type Rapid	result 1	date 2024-09-04	rnd 3	type Rapid	result 1
		Opponent Coote, S (Seth)				Opponent Polack, B (Ben)
3	2	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 0.5
		Opponent Du Randt, F (Franko)				Opponent Vogel, N (Noah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament SACSSA Nationals 2024				Tournament G7 Regional Chess Tournament 2025
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 2	type Rapid	result 1
		Opponent Van Staden, M (Miciah)				Opponent Tabane, K (Kimani)
2	3	Tournament SACSSA G7 Regional 2024				Tournament SACSSA G7 Regional 2024
		date 2024-09-04	rnd 1	type Rapid	result 1	date 2024-09-04	rnd 3	type Rapid	result 1
		Opponent Coote, S (Seth)				Opponent Polack, B (Ben)
3	1	Tournament G7 Regional Chess Tournament 2025				Tournament G7 Regional Chess Tournament 2025
		date 2025-09-13	rnd 4	type Rapid	result 1	date 2025-09-13	rnd 4	type Rapid	result 1
		Opponent van Dyk, C (Caden)				Opponent van Dyk, C (Caden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament SACSSA Nationals 2024				Tournament G7 Regional Chess Tournament 2025
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 2	type Rapid	result 1
		Opponent Van Staden, M (Miciah)				Opponent Tabane, K (Kimani)
2	3	Tournament SACSSA G7 Regional 2024				Tournament SACSSA G7 Regional 2024
		date 2024-09-04	rnd 1	type Rapid	result 1	date 2024-09-04	rnd 3	type Rapid	result 1
		Opponent Coote, S (Seth)				Opponent Polack, B (Ben)
3	1	Tournament G7 Regional Chess Tournament 2025				Tournament G7 Regional Chess Tournament 2025
		date 2025-09-13	rnd 4	type Rapid	result 1	date 2025-09-13	rnd 4	type Rapid	result 1
		Opponent van Dyk, C (Caden)				Opponent van Dyk, C (Caden)

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	Jeme ,L (Lesedi)	2	1	0	0	0	0	2	1	0	0	0	0
1	Jeme ,L (Lesedi)	2	1204.9	1204.9	0	0	0	2	1208.2	1204.9	0	0	0
2	Tabane ,K (Kimani)	1	1	425	0	0	0	1	1	425	0	0	0
2	Tabane ,K (Kimani)	1	1095.8	1520.8	0	0	0	1	1200	1520.8	0	0	0
3	Joubert ,L (Liam)	1	1	425	0	0	0	1	1	425	0	0	0
3	Joubert ,L (Liam)	1	1392.2	1817.2	0	0	0	1	1091.2	1817.2	0	0	0
4	Tjeeko ,AB (Amohelang Bontle)	1	1	425	0	0	0	1	1	425	0	0	0
4	Tjeeko ,AB (Amohelang Bontle)	1	1217.9	1642.9	0	0	0	1	1200	1642.9	0	0	0
5	Polack ,B (Ben)	1	1	425	0	0	0	1	1	425	0	0	0
5	Polack ,B (Ben)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Sehlangu ,OM (Olwakhe Mbonga)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Sehlangu ,OM (Olwakhe Mbonga)	1	1055.2	630.2	0	0	0	1	1200	630.2	0	0	0
7	Coote ,S (Seth)	1	1	425	0	0	0	1	1	425	0	0	0
7	Coote ,S (Seth)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Brown ,D (Daniel)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Brown ,D (Daniel)	1	1207	782	0	0	0	1	1200	782	0	0	0
9	Strydom ,D (Daniel)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Strydom ,D (Daniel)	1	1195.4	770.4	0	0	0	1	1192.6	770.4	0	0	0
10	Shaik ,R (Rayyan)	1	1	425	0	0	0	1	1	425	0	0	0
10	Shaik ,R (Rayyan)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Mthembu, 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