Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chuang, B (Bob)

Chess SA id

1070154913

FIDE id

Date of birth

2007-12-10 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

11.9

Junior GPX Points

1385

Item	Main	Standard	Rapid	Blitz
Rating	1357.5	1338.3	1282.8	1200
Raw rating	1357.5	1338.3	1282.8	1200
Weighted rating	1316.3	1282.9	1280.8	1200
Weighted performance	1300.6	1283.6	0	0
Floor	857.5	838.3	795.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	132.5	136.2	147.4	165.8
Highest rating	1357.5 2025-09-01	1338.3 2025-09-01	1414.1 2024-05-01	1200 2018-10-01
Highest raw rating	1357.5 2025-09-01	1338.3 2025-09-01	1295.8 2024-06-01	1200 2024-02-01
Highest weighted rating	1306 2025-09-01	1270.9 2025-09-01	1276.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1330.1 2025-09-01	1312.7 2025-09-01	1414.1 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1357.5	1338.3	1282.8	1200
Analysis
Rating	1357.5	1338.3	1282.8	1200
Raw rating	1357.5	1338.3	1282.8	1200
Weighted rating	1316.3	1282.9	1280.8
Weighted performance	1300.6	1283.6	0
K-factor	36	36	36	36
Floor	857.5	838.3	795.8	700
Max/Min rating change allowed	132.5	136.2	147.4	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	1357.5	1338.3	1282.8	1200
New weighted rating	1320.9	1288.5	1281.8	1200
New weighted performance	1292.4	1275.4	0	0
Temp new rating	1357.5	1338.3	1282.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1357.5	1338.3	1282.8	1200
New K-factor	36	36	36	36
New floor	857.5	838.3	795.8	700

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	30	16	14
	15	10	5
	0	0	0
	0	0	0
History	54	35	19

Games since
	Main 39	Standard 25		Rapid 14		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	9	7	77.78	236.1	1299.8	1535.9
Standard	9	7	77.78	236.1	1299.8	1535.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	54	33	61.11	94.4	1263.7	1358.1
Standard	35	20.5	58.57	72.9	1265.4	1338.3
Rapid	19	12.5	65.79	134.2	1260.4	1394.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1357.5	1338.3	1282.8	1200
2025-09-30	1357.5	1338.3	1282.8	1200
2025-09-01	1357.5	1338.3	1282.8	1200
2025-08-01	1347.6	1324.1	1282.8	1200
2025-07-01	1347.6	1324.1	1282.8	1200
2025-06-01	1347.6	1324.1	1282.8	1200
2025-05-01	1288.8	1246.7	1282.8	1200
2025-04-01	1288.8	1246.4	1282.8	1200
2025-03-01	1288.8	1245.9	1282.8	1200
2025-02-01	1288.8	1245.3	1282.8	1200
2025-01-01	1288.8	1243.6	1282.8	1200
2024-12-01	1288.8	1243.6	1282.8	1200
2024-11-01	1288.8	1243.6	1282.8	1200
2024-10-01	1305.7	1257.6	1295.8	1200
2024-09-01	1300	1239.6	1295.8	1200
2024-08-01	1300	1239.6	1295.8	1200
2024-07-01	1300	1239.6	1295.8	1200
2024-09-01	1300	1239.6	1295.8	1200
2024-05-01	1268	1254.7	1233.5	1200
2024-04-01	1268	1254.7	1233.5	1200
2024-03-01	1253.3	1254.7	1219.8	1200
2024-02-01	1253.3	1254.7	1219.8	1200
2024-01-01	1253.3	1254.7	1219.8	1200
2023-12-01	1253.3	1254.7	1219.8	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	Ekurhuleni North Schools Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
2	Benoni High School Cluster 2025 (U19)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Schools Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
2	Benoni High School Cluster 2025 (U19)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
3	JCC St Peters Sports & Cultural Festival 2024	2024-09-20	2024-09-21	Standard	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
4	Gauteng Top Schools 2024 (U17 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
5	Ekurhuleni North Schools Finals - Teams 2024 (U17 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	Ekurhuleni North High School Individuals 2024 (U18 Boys)	2024-05-24	2024-05-24	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
7	Benoni Cluster High Schools Teams 2024 (U17)	2024-05-11	2024-05-11	Rapid	Ekurhuleni (GE)	5	4	4	Yes	Analysis
8	Benoni High Schools Cluster Individuals 2024 (U18 Boys)	2024-03-16	2024-03-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
9	2023 Gauteng Top Schools (U19 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
10	Ekurhuleni North School Teams 2023 (U19)	2023-08-05	2023-08-05	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
11	Benoni Cluster High School League 2023 (U19 Open)	2023-05-06	2023-05-06	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-05-10	rnd 1	type Standard	result 0.5	date 2025-08-16	rnd 3	type Standard	result 0.5
		Opponent Du Plooy, A (Ashleigh)				Opponent Hingorani, R (Ridhima)
2	6	Tournament Benoni Cluster High Schools Teams 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-24	rnd 2	type Standard	result 1
		Opponent Bell, S (Shaune)				Opponent Huma, N (Neo Thimane)
3	5	Tournament Benoni Cluster High School League 2023				Tournament Ekurhuleni North School Teams 2023
		date 2023-05-06	rnd 3	type Rapid	result 1	date 2023-08-05	rnd 2	type Standard	result 1
		Opponent Munyaka, R (Rowan)				Opponent Ramcharan, A (Adhi)

#	Games	Start				End
1	8	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-05-10	rnd 1	type Standard	result 0.5	date 2025-08-16	rnd 3	type Standard	result 0.5
		Opponent Du Plooy, A (Ashleigh)				Opponent Hingorani, R (Ridhima)
2	4	Tournament Ekurhuleni North School Teams 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Managa, V (Vhulendo)				Opponent Ndlovu, L (Lucky)
3	3	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament JCC St Peters Sports & Cultural Festival 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-09-20	rnd 1	type Standard	result 1
		Opponent Nel, Z (Zonika)				Opponent Kuzwayo, M (Muntuyedwa)

#	Games	Start				End
1	6	Tournament Benoni Cluster High Schools Teams 2024				Tournament Gauteng Top Schools 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Bell, S (Shaune)				Opponent Chamo, M (Mpho)
2	6	Tournament Benoni Cluster High School League 2023				Tournament Benoni High Schools Cluster Individuals 2024
		date 2023-05-06	rnd 3	type Rapid	result 1	date 2024-03-16	rnd 3	type Rapid	result 1
		Opponent Munyaka, R (Rowan)				Opponent Mpofu, S (Sinothile)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 0.5	date 2024-10-05	rnd 4	type Rapid	result 0.5
		Opponent Setaka, K (Keoagile)				Opponent Setaka, K (Keoagile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Hingorani, R (Ridhima)				Opponent Mokalapa, T (Tebello)
2	4	Tournament Benoni Cluster High Schools Teams 2024				Tournament Benoni Cluster High Schools Teams 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Bell, S (Shaune)				Opponent Rae, C (Crystal)
3	4	Tournament Ekurhuleni North School Teams 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Managa, V (Vhulendo)				Opponent Ndlovu, L (Lucky)

#	Games	Start				End
1	6	Tournament Benoni High School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Hingorani, R (Ridhima)				Opponent Mokalapa, T (Tebello)
2	4	Tournament Ekurhuleni North School Teams 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Managa, V (Vhulendo)				Opponent Ndlovu, L (Lucky)
3	3	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament JCC St Peters Sports & Cultural Festival 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-09-20	rnd 1	type Standard	result 1
		Opponent Nel, Z (Zonika)				Opponent Kuzwayo, M (Muntuyedwa)

#	Games	Start				End
1	6	Tournament Benoni Cluster High Schools Teams 2024				Tournament Gauteng Top Schools 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Bell, S (Shaune)				Opponent Chamo, M (Mpho)
2	3	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 1	type Rapid	result 1	date 2024-03-16	rnd 3	type Rapid	result 1
		Opponent Sithole, V (Vuli)				Opponent Mpofu, S (Sinothile)
3	1	Tournament Benoni Cluster High School League 2023				Tournament Benoni Cluster High School League 2023
		date 2023-05-06	rnd 3	type Rapid	result 1	date 2023-05-06	rnd 3	type Rapid	result 1
		Opponent Munyaka, R (Rowan)				Opponent Munyaka, R (Rowan)

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	Hingorani ,R (Ridhima)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Hingorani ,R (Ridhima)	2	1486.2	1698.7	2	1483.2	1698.7	0	0	0	0	0	0
2	Mpofu ,S (Sinothile)	2	2	425	1	1	425	1	1	425	0	0	0
2	Mpofu ,S (Sinothile)	2	1286.1	1711.1	1	1286	1711.1	1	1219.4	1711.1	0	0	0
3	Bell ,S (Shaune)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
3	Bell ,S (Shaune)	2	1224.3	1436.8	0	0	0	2	1228.8	1436.8	0	0	0
4	Kuzwayo ,M (Muntuyedwa)	1	1	425	1	1	425	0	0	0	0	0	0
4	Kuzwayo ,M (Muntuyedwa)	1	1266.4	1691.4	1	1280	1691.4	0	0	0	0	0	0
5	Tskikila ,S (Sothando)	1	1	425	1	1	425	0	0	0	0	0	0
5	Tskikila ,S (Sothando)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Managa ,V (Vhulendo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Managa ,V (Vhulendo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mafunga ,Z (Zakhele)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Mafunga ,Z (Zakhele)	1	1092.2	1092.2	1	1080	1092.2	0	0	0	0	0	0
8	Tyson ,K (Kayla)	1	1	425	1	1	425	0	0	0	0	0	0
8	Tyson ,K (Kayla)	1	1197.1	1622.1	1	1194.1	1622.1	0	0	0	0	0	0
9	Nyathi ,R (Romeo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nyathi ,R (Romeo)	1	1271.7	846.7	1	1274.7	846.7	0	0	0	0	0	0
10	Nel ,Z (Zonika)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nel ,Z (Zonika)	1	1222.8	1647.8	1	1250.3	1647.8	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

Chuang, B (Bob)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms