Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ntuli, S (Siyabonga)

Chess SA id

1080305857

FIDE id

Date of birth

2008-08-28 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1328.1

Item	Main	Standard	Rapid	Blitz
Rating	1247.4	1250.9	1200	1200
Raw rating	1247.4	1250.9	1200	1200
Weighted rating	1230.4	1233.9	1200	1200
Weighted performance	1171.7	1169.2	0	0
Floor	771.1	783.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	155	154.2	165.8	165.8
Highest rating	1271.1 2025-01-01	1283.6 2025-01-01	1200 2024-06-01	1200 2024-06-01
Highest raw rating	1271.1 2025-01-01	1283.6 2025-01-01	1200 2024-06-01	1200 2024-06-01
Highest weighted rating	1225.5 2025-08-01	1228.8 2025-08-01	1200 2024-06-01	1200 2024-06-01
Highest weighted performance	1223.7 2025-06-01	1221.1 2024-06-01	1200 2024-06-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1247.4	1250.9	1200	1200
Analysis
Rating	1247.4	1250.9	1200	1200
Raw rating	1247.4	1250.9	1200	1200
Weighted rating	1230.4	1233.9	1200
Weighted performance	1171.7	1169.2	0
K-factor	36	36	36	36
Floor	771.1	783.6	700	700
Max/Min rating change allowed	155	154.2	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	1247.4	1250.9	1200	1200
New weighted rating	1232.6	1236.2	1200	1200
New weighted performance	1171.3	1168.8	0	0
Temp new rating	1247.4	1250.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1247.4	1250.9	1200	1200
New K-factor	36	36	36	36
New floor	771.1	783.6	700	700

Item	Main	Standard
	0	0
	14	14
	9	9
	0	0
	0	0
	0	0
History	23	23

Games since
	Main 23	Standard 23		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	14	5	35.71	-121.4	1318	1196.6
Standard	14	5	35.71	-121.4	1318	1196.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	10	43.48	-55.4	1334.5	1279.1
Standard	23	10	43.48	-55.4	1334.5	1279.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1247.4	1250.9	1200	1200
2025-09-01	1247.4	1250.9	1200	1200
2025-08-01	1247.4	1250.9	1200	1200
2025-07-01	1247.4	1250.9	1200	1200
2025-06-01	1247.4	1250.9	1200	1200
2025-05-01	1233.1	1237	1200	1200
2025-04-01	1233.1	1237	1200	1200
2025-03-01	1233.1	1237	1200	1200
2025-02-01	1271.1	1283.6	1200	1200
2025-01-01	1271.1	1283.6	1200	1200
2024-12-01	1197.7	1199.6	1200	1200
2024-11-01	1197.7	1199.6	1200	1200
2024-10-01	1197.7	1199.6	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	Ekurhuleni Trials 2025 (C)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	D5 Anker 2025 (U18 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Ekurhuleni/Springs Open 025 (U18+U20)	2025-02-22	2025-02-22	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trials 2025 (C)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	D5 Anker 2025 (U18 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Ekurhuleni/Springs Open 025 (U18+U20)	2025-02-22	2025-02-22	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
4	East Rand Chess Year end Open 2024 (B)	2024-11-30	2024-11-30	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
5	Ekurhuleni Trails 3 2024 (U18+U20)	2024-08-24	2024-08-24	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament Ekurhuleni Trails 3 2024				Tournament East Rand Chess Year end Open 2024
		date 2024-08-24	rnd 5	type Standard	result 1	date 2024-11-30	rnd 5	type Standard	result 0.5
		Opponent Mogotsi, R (Reatlehile)				Opponent Ngwenya, N (Nkoshinathi)
2	3	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Nguba, O (Olivier)				Opponent Van Der Merwe, S (Stefan)
3	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent Grootboom, C (Chante)				Opponent Grootboom, C (Chante)

#	Games	Start				End
1	6	Tournament Ekurhuleni Trails 3 2024				Tournament East Rand Chess Year end Open 2024
		date 2024-08-24	rnd 5	type Standard	result 1	date 2024-11-30	rnd 5	type Standard	result 0.5
		Opponent Mogotsi, R (Reatlehile)				Opponent Ngwenya, N (Nkoshinathi)
2	3	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Nguba, O (Olivier)				Opponent Van Der Merwe, S (Stefan)
3	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent Grootboom, C (Chante)				Opponent Grootboom, C (Chante)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Ekurhuleni Trails 3 2024				Tournament East Rand Chess Year end Open 2024
		date 2024-08-24	rnd 5	type Standard	result 1	date 2024-11-30	rnd 3	type Standard	result 1
		Opponent Mogotsi, R (Reatlehile)				Opponent Nhleko, Z (Ziyanda)
2	3	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Nguba, O (Olivier)				Opponent Van Der Merwe, S (Stefan)
3	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent Grootboom, C (Chante)				Opponent Grootboom, C (Chante)

#	Games	Start				End
1	4	Tournament Ekurhuleni Trails 3 2024				Tournament East Rand Chess Year end Open 2024
		date 2024-08-24	rnd 5	type Standard	result 1	date 2024-11-30	rnd 3	type Standard	result 1
		Opponent Mogotsi, R (Reatlehile)				Opponent Nhleko, Z (Ziyanda)
2	3	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Nguba, O (Olivier)				Opponent Van Der Merwe, S (Stefan)
3	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent Grootboom, C (Chante)				Opponent Grootboom, C (Chante)

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	Grootboom ,C (Chante)	2	2	425	2	2	425	0	0	0	0	0	0
1	Grootboom ,C (Chante)	2	1311.3	1736.3	2	1318.3	1736.3	0	0	0	0	0	0
2	Nguba ,O (Olivier)	1	1	425	1	1	425	0	0	0	0	0	0
2	Nguba ,O (Olivier)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Moeketsi ,T (Thlonolofaditswe)	1	1	425	1	1	425	0	0	0	0	0	0
3	Moeketsi ,T (Thlonolofaditswe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mohlala ,K (Kgaogelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mohlala ,K (Kgaogelo)	1	1490.9	1065.9	1	1515.7	1065.9	0	0	0	0	0	0
5	Kushar ,T (Tristan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kushar ,T (Tristan)	1	1592.8	2017.8	1	1582	2017.8	0	0	0	0	0	0
6	Naidoo ,S (Sashin)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Naidoo ,S (Sashin)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Swart ,Z (Zander)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Swart ,Z (Zander)	1	1561.8	1136.8	1	1551.5	1136.8	0	0	0	0	0	0
8	Nhleko ,Z (Ziyanda)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nhleko ,Z (Ziyanda)	1	1289	1714	1	1200	1714	0	0	0	0	0	0
9	Van Der Merwe ,S (Stefan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Der Merwe ,S (Stefan)	1	1129.1	1554.1	1	1114.5	1554.1	0	0	0	0	0	0
10	Ngwenya ,N (Nkoshinathi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Ngwenya ,N (Nkoshinathi)	1	1200	1200	1	1200	1200	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

Ntuli, S (Siyabonga)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms