Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cerfonteyn, Z (Zeenat)

Chess SA id

2080111070

FIDE id

Date of birth

2008-09-26 (U18)

Gender

Female

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1216.7

Item	Main	Standard	Rapid	Blitz
Rating	1208.8	1207.5	1175	1180.4
Raw rating	1208.8	1207.5	1175	1180.4
Weighted rating	1208.7	1203.9	1174	1180.4
Weighted performance	1133.1	1132.3	874.2	0
Floor	748.6	736.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.8	164.1	171.8	170.5
Highest rating	1253.4 2024-06-01	1236.6 2024-06-01	1206.6 2018-03-01	1221.2 2022-08-01
Highest raw rating	1248.6 2024-07-01	1236.6 2024-06-01	1200 2019-12-01	1200 2019-12-01
Highest weighted rating	1248.6 2024-09-01	1236.6 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1253.4 2024-06-01	1232.8 2022-05-01	1206.6 2018-03-01	1221.2 2022-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0	0	0
New rating	1208.9	1207.5	1175	1180.4
Analysis
Rating	1208.8	1207.5	1175	1180.4
Raw rating	1208.8	1207.5	1175	1180.4
Weighted rating	1208.7	1203.9	1174
Weighted performance	1133.1	1132.3	874.2
K-factor	36	36	36	36
Floor	748.6	736.6	700	700
Max/Min rating change allowed	163.8	164.1	171.8	170.5
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	1208.8	1207.5	1175	1180.4
New weighted rating	1208.9	1204.4	1173.9	1180.4
New weighted performance	1132.6	1131.9	873.8	0
Temp new rating	1208.9	1207.5	1175	1180.4
Temp new rating +/-	0.1	0	0	0
Final new rating +/-	0.1	0	0	0
New rating	1208.9	1207.5	1175	1180.4
New K-factor	36	36	36	36
New floor	748.6	736.6	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	28	28	0	0
	51	40	11	0
	32	27	5	0
	41	17	10	14
	6	6	0	0
History	189	143	32	14

Games since
	Main 79	Standard 68		Rapid 11		Blitz 0
Gender	Female
Age group	U18
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	3972		535		175
Female	947		108		30
U18	587		84		25
U18 Female	111		10		2
Standard
	RSA		Province		Region
Overall	3868		545		168
Female	930		110		31
U18	596		88		25
U18 Female	106		10		2
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-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	28	10.5	37.5	-106.2	1320.4	1214.1
Standard	28	10.5	37.5	-106.2	1320.4	1214.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	189	76	40.21	-83.2	1268	1184.8
Standard	143	55.5	38.81	-95.1	1266	1170.9
Rapid	32	14.5	45.31	-39.8	1268.5	1228.6
Blitz	14	6	42.86	-60.7	1286.8	1226.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1208.8	1207.5	1175	1180.4
2025-09-01	1208.8	1207.5	1175	1180.4
2025-08-01	1208.8	1207.5	1175	1180.4
2025-07-01	1208.8	1207.5	1175	1180.4
2025-06-01	1208.8	1207.5	1175	1180.4
2025-05-01	1208.8	1207.5	1175	1180.4
2025-04-01	1219.5	1218.4	1175	1180.4
2025-03-01	1204.1	1196.9	1175	1180.4
2025-02-01	1203.7	1196.4	1174.3	1180.4
2025-01-01	1196.9	1184.8	1162.5	1180.4
2024-12-01	1197.3	1185.5	1162.5	1180.4
2024-11-01	1197.3	1185.5	1162.5	1180.4
2024-10-01	1197.3	1185.5	1162.5	1180.4
2024-09-01	1222.9	1214.3	1162.5	1180.4
2024-08-01	1226.2	1210.7	1190.9	1180.4
2024-07-01	1248.6	1236.6	1190.9	1180.4
2024-06-01	1233.2	1236.6	1181.2	1180.4
2024-08-01	1204.5	1204.2	1181.2	1180.4
2024-04-01	1204.5	1204.2	1181.2	1180.4
2024-03-01	1204.5	1204.2	1181.2	1180.4
2024-02-01	1185.4	1181.2	1181.2	1180.4
2024-01-01	1185.4	1181.2	1181.2	1180.4
2023-12-01	1185.4	1181.2	1181.2	1180.4
2023-11-01	1185.4	1181.2	1181.2	1180.4

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	South African Junior Closed Chess Championships 2025 (U18 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	3	Yes	Analysis
2	NMB 2nd Trials 2025 (U18)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
3	Pearson High Chess Festival 2025 (B)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
4	NMBCH Trial 1 2025 (U18)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
5	NMBCU vs BCC Derby Chess Invitational 2025 (Open A)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Junior Closed Chess Championships 2025 (U18 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	3	Yes	Analysis
2	NMB 2nd Trials 2025 (U18)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
3	Pearson High Chess Festival 2025 (B)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
4	NMBCH Trial 1 2025 (U18)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
5	NMBCU vs BCC Derby Chess Invitational 2025 (Open A)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	4	1.5	Yes	Analysis
6	Mzansi Interprovincial Youth Chess Championships 2024 (U18 Girls Combined)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	3	Yes	Analysis
7	2024 South Africa National Schools Chess Championship (U18 Girls)	2024-09-27	2024-09-28	Standard	Nelson Mandela Bay (ENM)	7	7	2.5	Yes	Analysis
8	NMBCU Closed 2024 (U18)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
9	NMBCU Trial 5 2024 (U18)	2024-08-16	2024-08-17	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
10	DSRAC Trials (Nelson Mandela Metro)	2024-08-10	2024-08-10	Rapid	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
11	NMBCU Trials 4 2024 (U18)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
12	Willow Academy 2024 (A)	2024-06-22	2024-06-22	Rapid	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
13	NMBCU Trial 3 2024 (U18)	2024-05-10	2024-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
14	Pearson Open Chess Tournament 2024 (B)	2024-02-23	2024-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
15	NMBCU Trial 4 2023 (U16)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
16	EP Trials 3 2023 (U16)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
17	Youth Chess Acadamy Rapid Tournament 2023 (A)	2023-03-11	2023-03-11	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
18	NMB 2nd Trials 2023 (U16)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
19	NMB 1st Trials 2023 (U16)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
20	2023 Pearson Open Chess Tournament (B)	2023-02-24	2023-02-25	Standard	Nelson Mandela Bay (ENM)	5	4	0	Yes	Analysis
21	2022 Westering Tournament (Rapid)	2022-08-27	2022-08-27	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
22	2022 Westering Tournament (Blitz)	2022-08-27	2022-08-27	Blitz	Nelson Mandela Bay (ENM)	7	7	4	Yes	Analysis
23	2022 NMB Rapid & Blitz Championships (Rapid)	2022-07-02	2022-07-02	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
24	2022 NMB Rapid & Blitz Championships (Blitz)	2022-07-02	2022-07-02	Blitz	Nelson Mandela Bay (ENM)	7	7	2	Yes	Analysis
25	2022 NMB Junior Trials 2 (U14)	2022-05-13	2022-05-14	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
26	2022 NMB Junior Trials 1 (U14)	2022-04-22	2022-04-23	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
27	SBDCU First Fide Rated Open Tournament Fountains Mall 2022 (B)	2022-02-18	2022-02-19	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
28	2021 Eastern Cape Schools Provincial Summer Championships (Girls)	2021-10-16	2021-10-16	Standard	Buffalo City (EBC)	6	6	4	Yes	Analysis
29	2020 Boardwalk Pearson Open Chess Festival (Open)	2020-03-14	2020-03-15	Standard	Nelson Mandela Bay (ENM)	5	5	1	Yes	Analysis
30	King Cars Pe Chess Club Grand Prix Leg 1 2020	2020-02-15	2020-02-22	Standard	Nelson Mandela Bay (ENM)	6	5	0	Yes	Analysis
31	2020 NMBCU Chess Trial 1 (U14)	2020-02-08	2020-02-09	Standard	Nelson Mandela Bay (ENM)	6	5	0.5	Yes	Analysis
32	Nelson Mandela Bay Junior Chess Trials 2 2019 (U12)	2019-04-05	2019-04-06	Standard	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis
33	NMBCU Trials 1 2019 (U12)	2019-03-08	2019-03-09	Standard	Nelson Mandela Bay (ENM)	5	4	1.5	Yes	Analysis
34	2018 Boardwalk Pearson Open (Devlopment)	2018-03-17	2018-03-17	Rapid	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Brown, R (Reagan)				Opponent Bouwer, R (Ruben)
2	4	Tournament NMBCU Trials 4 2024				Tournament DSRAC Trials
		date 2024-07-13	rnd 6	type Standard	result 1	date 2024-08-10	rnd 3	type Rapid	result 0.5
		Opponent Brown, K (Kershae)				Opponent Manto, M (Martha)
3	4	Tournament 2022 NMB Junior Trials 1				Tournament 2022 NMB Junior Trials 2
		date 2022-04-23	rnd 4	type Standard	result 0.5	date 2022-05-13	rnd 1	type Standard	result 1
		Opponent Grigor, R (Ruan)				Opponent Randall, K (Kyle)

#	Games	Start				End
1	5	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Brown, R (Reagan)				Opponent Bouwer, R (Ruben)
2	4	Tournament 2022 NMB Junior Trials 2				Tournament NMB 1st Trials 2023
		date 2022-05-14	rnd 4	type Standard	result 1	date 2023-02-17	rnd 1	type Standard	result 1
		Opponent Fourie, J (Jason)				Opponent Mantakana, B (Bunono)
3	4	Tournament 2022 NMB Junior Trials 1				Tournament 2022 NMB Junior Trials 2
		date 2022-04-23	rnd 4	type Standard	result 0.5	date 2022-05-13	rnd 1	type Standard	result 1
		Opponent Grigor, R (Ruan)				Opponent Randall, K (Kyle)

#	Games	Start				End
1	3	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 1	type Rapid	result 1	date 2024-08-10	rnd 3	type Rapid	result 0.5
		Opponent Marele, A (Athule)				Opponent Manto, M (Martha)
2	3	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 4	type Rapid	result 0.5	date 2018-03-17	rnd 6	type Rapid	result 0.5
		Opponent Mthiyane, S (Simphiwe)				Opponent Peters, J (Jordan)
3	2	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 4	type Rapid	result 1	date 2024-06-22	rnd 5	type Rapid	result 1
		Opponent Dugmore, D (Deacon)				Opponent Rautenbach, J (Johan)

#	Games	Start				End
1	2	Tournament 2022 NMB Rapid & Blitz Championships				Tournament 2022 Westering Tournament
		date 2022-07-02	rnd 7	type Blitz	result 1	date 2022-08-27	rnd 1	type Blitz	result 1
		Opponent Chipunza, J (Jared)				Opponent Manton, C (Charlie)
2	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 7	type Blitz	result 1	date 2022-08-27	rnd 7	type Blitz	result 1
		Opponent Mvumbi, E (Elam)				Opponent Mvumbi, E (Elam)
3	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Blitz	result 1	date 2022-08-27	rnd 5	type Blitz	result 1
		Opponent Cerfonteyn, S (Suleiman)				Opponent Cerfonteyn, S (Suleiman)

#	Games	Start				End
1	5	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Brown, R (Reagan)				Opponent Bouwer, R (Ruben)
2	3	Tournament NMBCU Trials 4 2024				Tournament DSRAC Trials
		date 2024-07-13	rnd 6	type Standard	result 1	date 2024-08-10	rnd 2	type Rapid	result 1
		Opponent Brown, K (Kershae)				Opponent Mdledle, L (Luniko)
3	3	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament NMB 2nd Trials 2023
		date 2023-03-11	rnd 4	type Rapid	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Plaatjies, M (Mowethu)				Opponent Matinise, S (Soyama)

#	Games	Start				End
1	5	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Brown, R (Reagan)				Opponent Bouwer, R (Ruben)
2	4	Tournament 2022 NMB Junior Trials 2				Tournament NMB 1st Trials 2023
		date 2022-05-14	rnd 4	type Standard	result 1	date 2023-02-17	rnd 1	type Standard	result 1
		Opponent Fourie, J (Jason)				Opponent Mantakana, B (Bunono)
3	3	Tournament 2022 NMB Junior Trials 1				Tournament 2022 NMB Junior Trials 2
		date 2022-04-23	rnd 5	type Standard	result 1	date 2022-05-13	rnd 1	type Standard	result 1
		Opponent Fortune, DE (Devin)				Opponent Randall, K (Kyle)

#	Games	Start				End
1	2	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 1	type Rapid	result 1	date 2024-08-10	rnd 2	type Rapid	result 1
		Opponent Marele, A (Athule)				Opponent Mdledle, L (Luniko)
2	2	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 4	type Rapid	result 1	date 2024-06-22	rnd 5	type Rapid	result 1
		Opponent Dugmore, D (Deacon)				Opponent Rautenbach, J (Johan)
3	2	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2023-03-11	rnd 4	type Rapid	result 1	date 2023-03-11	rnd 5	type Rapid	result 1
		Opponent Plaatjies, M (Mowethu)				Opponent Booysen, J (Jait)

#	Games	Start				End
1	2	Tournament 2022 NMB Rapid & Blitz Championships				Tournament 2022 Westering Tournament
		date 2022-07-02	rnd 7	type Blitz	result 1	date 2022-08-27	rnd 1	type Blitz	result 1
		Opponent Chipunza, J (Jared)				Opponent Manton, C (Charlie)
2	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 7	type Blitz	result 1	date 2022-08-27	rnd 7	type Blitz	result 1
		Opponent Mvumbi, E (Elam)				Opponent Mvumbi, E (Elam)
3	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Blitz	result 1	date 2022-08-27	rnd 5	type Blitz	result 1
		Opponent Cerfonteyn, S (Suleiman)				Opponent Cerfonteyn, S (Suleiman)

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	Slabbert ,D (Deon)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Slabbert ,D (Deon)	4	1415.1	1202.6	4	1400.5	1202.6	0	0	0	0	0	0
2	Chipunza ,J (James)	4	0	-425	4	0	-425	0	0	0	0	0	0
2	Chipunza ,J (James)	4	1543.1	1118.1	4	1545.4	1118.1	0	0	0	0	0	0
3	Grigor ,R (Ruan)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
3	Grigor ,R (Ruan)	4	1269.6	950.8	4	1264.4	950.8	0	0	0	0	0	0
4	Schoeman ,D (Devan)	3	3	425	3	3	425	0	0	0	0	0	0
4	Schoeman ,D (Devan)	3	1219.8	1644.8	3	1190	1644.8	0	0	0	0	0	0
5	Bouwer ,R (Ruben)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Bouwer ,R (Ruben)	3	1091.6	1233.2	3	1099.4	1233.2	0	0	0	0	0	0
6	Vital ,K (Keirah)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
6	Vital ,K (Keirah)	3	1181.9	1040.3	2	1180.8	1181.9	1	1200	756.9	0	0	0
7	Brown ,R (Reagan)	2	1	0	2	1	0	0	0	0	0	0	0
7	Brown ,R (Reagan)	2	1127.4	1127.4	2	1121.8	1127.4	0	0	0	0	0	0
8	Jones ,T (Thandiswa)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Jones ,T (Thandiswa)	2	1137.5	1350	2	1135.9	1350	0	0	0	0	0	0
9	Reid ,L (Liam)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Reid ,L (Liam)	2	1212.1	787.1	2	1204.3	787.1	0	0	0	0	0	0
10	Nyoka ,I (Ibanathi)	2	2	425	2	2	425	0	0	0	0	0	0
10	Nyoka ,I (Ibanathi)	2	1182.9	1607.9	2	1182.2	1607.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Cerfonteyn, Z (Zeenat)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms