Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cerfonteyn, R (Raees)

Chess SA id

1140140461

FIDE id

Date of birth

2014-03-05 (U12)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1357.8

Item	Main	Standard	Rapid	Blitz
Rating	1397.9	1406.1	1145.6	1143.6
Raw rating	1397.9	1406.1	1145.6	1143.6
Weighted rating	1332.7	1345	1144.7	1143.6
Weighted performance	1350.4	1351.9	0	0
Floor	897.9	906.1	700	700
K-factor	36	32	36	36
Min/Max rating change allowed	125.1	123.6	179.2	179.7
Highest rating	1451.4 2022-05-01	1449.4 2022-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1397.9 2025-09-30	1406.1 2025-09-30	1200 2020-01-01	1200 2020-01-01
Highest weighted rating	1323.6 2025-09-30	1336.5 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1451.4 2022-05-01	1449.4 2022-05-01	1200 2020-01-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1397.9	1406.1	1145.6	1143.6
Analysis
Rating	1397.9	1406.1	1145.6	1143.6
Raw rating	1397.9	1406.1	1145.6	1143.6
Weighted rating	1332.7	1345	1144.7
Weighted performance	1350.4	1351.9	0
K-factor	36	32	36	36
Floor	897.9	906.1	700	700
Max/Min rating change allowed	125.1	123.6	179.2	179.7
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	1397.9	1406.1	1145.6	1143.6
New weighted rating	1341	1352.7	1144.9	1143.6
New weighted performance	1342.2	1343.6	0	0
Temp new rating	1397.9	1406.1	1145.6	1143.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1397.9	1406.1	1145.6	1143.6
New K-factor	36	32	36	36
New floor	897.9	906.1	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	39	39	0	0
	48	42	6	0
	33	28	5	0
	27	15	5	7
	0	0	0	0
History	147	124	16	7

Games since
	Main 87	Standard 81		Rapid 6		Blitz 0
Gender	Male
Age group	U12
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2204		271		94
Male	1796		229		79
U12	289		36		13
U12 Male	209		27		12
Standard
	RSA		Province		Region
Overall	2026		258		84
Male	1654		216		70
U12	260		37		12
U12 Male	189		28		11
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	39	23	58.97	76.3	1318.7	1395
Standard	39	23	58.97	76.3	1318.7	1395
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	147	72.5	49.32	-5.8	1274.7	1268.9
Standard	124	64.5	52.02	17.1	1279.5	1296.6
Rapid	16	6	37.5	-106.2	1250.7	1144.5
Blitz	7	2	28.57	-182.1	1244.7	1062.6

Date	Main	Standard	Rapid	Blitz
2025-11-01	1397.9	1406.1	1145.6	1143.6
2025-09-30	1397.9	1406.1	1145.6	1143.6
2025-09-01	1366.8	1373.7	1145.6	1143.6
2025-08-01	1366.8	1373.7	1145.6	1143.6
2025-07-01	1366.8	1373.7	1145.6	1143.6
2025-06-01	1333.1	1331.7	1145.6	1143.6
2025-05-01	1333.1	1331.7	1145.6	1143.6
2025-04-01	1357.7	1363.5	1145.6	1143.6
2025-03-01	1353.9	1358.7	1145.6	1143.6
2025-02-01	1326.5	1335.6	1145.6	1143.6
2025-01-01	1314.5	1325.2	1145.6	1143.6
2024-12-01	1302.6	1334.9	1145.6	1143.6
2024-11-01	1302.6	1334.9	1145.6	1143.6
2024-10-01	1302.6	1334.9	1145.6	1143.6
2024-09-01	1306.3	1346.4	1145.6	1143.6
2024-08-01	1296.4	1333.2	1145.6	1143.6
2024-07-01	1257.3	1271.5	1145.6	1143.6
2024-09-01	1260	1271.5	1135.6	1143.6
2024-05-01	1210.5	1227.2	1135.6	1143.6
2024-04-01	1210.5	1227.2	1135.6	1143.6
2024-03-01	1210.5	1227.2	1135.6	1143.6
2024-02-01	1162.2	1180.8	1135.6	1143.6
2024-01-01	1162.2	1180.8	1135.6	1143.6
2023-12-01	1162.2	1180.8	1135.6	1143.6

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	EC Closed 2025 (U12 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
2	NMBCU Closed 2025 (U12)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
3	NMB 3rd Trials 2025 (U12)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
4	NMB 2nd Trials 2025 (U12)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
5	Pearson High Chess Festival 2025 (C)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
6	NMBCH Trial 1 2025 (U12)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis
7	NMBCU vs BCC Derby Chess Invitational 2025 (Open B)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U12 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
2	NMBCU Closed 2025 (U12)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
3	NMB 3rd Trials 2025 (U12)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
4	NMB 2nd Trials 2025 (U12)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
5	Pearson High Chess Festival 2025 (C)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
6	NMBCH Trial 1 2025 (U12)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis
7	NMBCU vs BCC Derby Chess Invitational 2025 (Open B)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
8	Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	2.5	Yes	Analysis
9	NMBCU Closed 2024 (U12)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
10	NMBCU Trial 5 2024 (U12)	2024-08-16	2024-08-17	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
11	NMBCU Trials 4 2024 (U12)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
12	Willow Academy 2024 (B)	2024-06-22	2024-06-22	Rapid	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
13	NMBCU Trial 3 2024 (U12)	2024-05-10	2024-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
14	NMBCU Trials 1 2024 (U12)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
15	Pearson Open Chess Tournament 2024 (C)	2024-02-23	2024-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
16	NMBCU Trial 4 2023 (U10)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
17	EP Trials 3 2023 (U10)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
18	Youth Chess Acadamy Rapid Tournament 2023 (B)	2023-03-11	2023-03-11	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
19	NMB 2nd Trials 2023 (U10)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
20	NMB 1st Trials 2023 (U8+U10)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
21	2023 Pearson Open Chess Tournament (D)	2023-02-24	2023-02-25	Standard	Nelson Mandela Bay (ENM)	5	4	0	Yes	Analysis
22	2022 Westering Tournament (Rapid)	2022-08-27	2022-08-27	Rapid	Nelson Mandela Bay (ENM)	5	5	1	Yes	Analysis
23	2022 Westering Tournament (Blitz)	2022-08-27	2022-08-27	Blitz	Nelson Mandela Bay (ENM)	7	7	2	Yes	Analysis
24	2022 NMBCU Closed 2022 (U10)	2022-08-19	2022-08-20	Standard	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis
25	NMBCU Trial 3 2022 (U10)	2022-07-22	2022-07-23	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
26	2022 NMB Junior Trials 2 (U8)	2022-05-13	2022-05-14	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Pearson High Chess Festival 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Dikana, I (Inam)				Opponent Mouton, W (Wyatt)
2	4	Tournament NMBCH Trial 1 2025				Tournament Pearson High Chess Festival 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-21	rnd 1	type Standard	result 1
		Opponent Mouton, W (Wyatt)				Opponent Bester, T (Thomas)
3	4	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCH Trial 1 2025
		date 2025-01-11	rnd 3	type Standard	result 1	date 2025-02-14	rnd 1	type Standard	result 1
		Opponent Smith, A (Ayden)				Opponent Ntsilatana, Y (Yothando)

#	Games	Start				End
1	4	Tournament Pearson High Chess Festival 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Dikana, I (Inam)				Opponent Mouton, W (Wyatt)
2	4	Tournament NMBCH Trial 1 2025				Tournament Pearson High Chess Festival 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-21	rnd 1	type Standard	result 1
		Opponent Mouton, W (Wyatt)				Opponent Bester, T (Thomas)
3	4	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCH Trial 1 2025
		date 2025-01-11	rnd 3	type Standard	result 1	date 2025-02-14	rnd 1	type Standard	result 1
		Opponent Smith, A (Ayden)				Opponent Ntsilatana, Y (Yothando)

#	Games	Start				End
1	2	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 5	type Rapid	result 1	date 2024-06-22	rnd 6	type Rapid	result 1
		Opponent Jena, V (Valencia)				Opponent Arries, J (Jayde)
2	2	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2023-03-11	rnd 1	type Rapid	result 1	date 2023-03-11	rnd 2	type Rapid	result 1
		Opponent Mjindi, P (Phawu)				Opponent Lurie, B (Brett)
3	1	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 2	type Rapid	result 1	date 2024-06-22	rnd 2	type Rapid	result 1
		Opponent Swartz, J (Jane)				Opponent Swartz, J (Jane)

#	Games	Start				End
1	2	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 4	type Blitz	result 1	date 2022-08-27	rnd 5	type Blitz	result 1
		Opponent Mbanzi, A (Aviwe)				Opponent Williams, O (Owam)

#	Games	Start				End
1	4	Tournament Pearson High Chess Festival 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Dikana, I (Inam)				Opponent Mouton, W (Wyatt)
2	3	Tournament NMBCU Closed 2025				Tournament NMBCU Closed 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Brown, Z (Zachery)				Opponent Bambalaza, E (Ed)
3	3	Tournament NMB 3rd Trials 2025				Tournament NMB 3rd Trials 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Dikana, I (Iminathi)				Opponent Sternberg, N (Nicolas)

#	Games	Start				End
1	4	Tournament Pearson High Chess Festival 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Dikana, I (Inam)				Opponent Mouton, W (Wyatt)
2	3	Tournament NMBCU Closed 2025				Tournament NMBCU Closed 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 4	type Standard	result 1
		Opponent Brown, Z (Zachery)				Opponent Bambalaza, E (Ed)
3	3	Tournament NMB 3rd Trials 2025				Tournament NMB 3rd Trials 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Dikana, I (Iminathi)				Opponent Sternberg, N (Nicolas)

#	Games	Start				End
1	2	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 5	type Rapid	result 1	date 2024-06-22	rnd 6	type Rapid	result 1
		Opponent Jena, V (Valencia)				Opponent Arries, J (Jayde)
2	2	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2023-03-11	rnd 1	type Rapid	result 1	date 2023-03-11	rnd 2	type Rapid	result 1
		Opponent Mjindi, P (Phawu)				Opponent Lurie, B (Brett)
3	1	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 2	type Rapid	result 1	date 2024-06-22	rnd 2	type Rapid	result 1
		Opponent Swartz, J (Jane)				Opponent Swartz, J (Jane)

#	Games	Start				End
1	2	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 4	type Blitz	result 1	date 2022-08-27	rnd 5	type Blitz	result 1
		Opponent Mbanzi, A (Aviwe)				Opponent Williams, O (Owam)

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	Boggenpoel ,L (Levi)	8	2	-212.5	8	2	-212.5	0	0	0	0	0	0
1	Boggenpoel ,L (Levi)	8	1207.8	995.3	8	1237	995.3	0	0	0	0	0	0
2	Mouton ,W (Wyatt)	7	5	182.1	7	5	182.1	0	0	0	0	0	0
2	Mouton ,W (Wyatt)	7	1171.7	1353.8	7	1183.8	1353.8	0	0	0	0	0	0
3	Schreinders ,M (Mia)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
3	Schreinders ,M (Mia)	5	1255.9	1255.9	5	1259.6	1255.9	0	0	0	0	0	0
4	Adams ,C (Ciara)	5	0.5	-340	5	0.5	-340	0	0	0	0	0	0
4	Adams ,C (Ciara)	5	1292.5	952.5	5	1301.4	952.5	0	0	0	0	0	0
5	Crawford ,D (Dean)	4	0	-425	4	0	-425	0	0	0	0	0	0
5	Crawford ,D (Dean)	4	1283.2	858.2	4	1300.8	858.2	0	0	0	0	0	0
6	Jacobs ,J (Joel)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Jacobs ,J (Joel)	3	1240.7	1382.4	3	1252.4	1382.4	0	0	0	0	0	0
7	King ,J (Jaymie)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
7	King ,J (Jaymie)	3	1349.2	1207.5	3	1341	1207.5	0	0	0	0	0	0
8	Manton ,C (Charlie)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
8	Manton ,C (Charlie)	3	1245	961.7	3	1249.3	961.7	0	0	0	0	0	0
9	Driscoll ,S (Samuel)	3	0	-425	3	0	-425	0	0	0	0	0	0
9	Driscoll ,S (Samuel)	3	1640.1	1215.1	3	1648.9	1215.1	0	0	0	0	0	0
10	Koutsouvelis ,M (Matthew)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
10	Koutsouvelis ,M (Matthew)	3	1340.9	1624.2	3	1352.1	1624.2	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

Cerfonteyn, R (Raees)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms