Chess South Africa Ratings Database

PLAYER PAGE

Personal

Serfontein, C (Carlu)

Chess SA id

1120157081

FIDE id

Date of birth

2012-06-26 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-31

Personal details last changed

1900-01-01

Junior GPX Games

14.5

Junior GPX Points

1251.5

Item	Main	Standard	Rapid	Blitz
Rating	1241.2	1232.1	1221	1200
Raw rating	1241.2	1232.1	1221	1200
Weighted rating	1185	1218.1	1145.9	1200
Weighted performance	1176	0	1031.5	0
Floor	741.2	732.1	721	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.4	158.4	160.9	165.8
Highest rating	1241.2 2025-07-01	1232.1 2025-02-01	1221 2025-07-01	1200 2018-10-01
Highest raw rating	1241.2 2025-07-01	1232.1 2025-02-01	1221 2025-07-01	1200 2024-02-01
Highest weighted rating	1241.2 2018-10-01	1214.5 2025-08-01	1221 2018-10-01	1200 2018-10-01
Highest weighted performance	1216.4 2025-07-01	1200 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1241.2	1232.1	1221	1200
Analysis
Rating	1241.2	1232.1	1221	1200
Raw rating	1241.2	1232.1	1221	1200
Weighted rating	1185	1218.1	1145.9
Weighted performance	1176	0	1031.5
K-factor	36	36	36	36
Floor	741.2	732.1	721	700
Max/Min rating change allowed	156.4	158.4	160.9	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	1241.2	1232.1	1221	1200
New weighted rating	1191	1219.8	1153	1200
New weighted performance	1175.6	0	1031	0
Temp new rating	1241.2	1232.1	1221	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1241.2	1232.1	1221	1200
New K-factor	36	36	36	36
New floor	741.2	732.1	721	700

Item	Main	Standard	Rapid
	0	0	0
	12	5	7
	11	6	5
	17	0	17
	0	0	0
	0	0	0
History	40	11	29

Games since
	Main 29	Standard 11		Rapid 18		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	12	9	75	212.5	1247.9	1460.4
Standard	5	3	60	85	1342.1	1427.1
Rapid	7	6	85.71	303.6	1180.6	1484.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	18	45	-42.5	1236.7	1194.2
Standard	11	5	45.45	-38.6	1328	1289.3
Rapid	29	13	44.83	-44	1202.1	1158.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1241.2	1232.1	1221	1200
2025-09-01	1241.2	1232.1	1221	1200
2025-08-01	1241.2	1232.1	1221	1200
2025-07-01	1241.2	1232.1	1221	1200
2025-06-01	1191.5	1232.1	1114.9	1200
2025-05-01	1191.5	1232.1	1114.9	1200
2025-04-01	1191.5	1232.1	1114.9	1200
2025-03-01	1191.5	1232.1	1114.9	1200
2025-02-01	1191.5	1232.1	1114.9	1200
2025-01-01	1143.2	1188.5	1112.9	1200
2024-12-01	1143.2	1188.5	1112.9	1200
2024-11-01	1135.1	1200	1112.9	1200
2024-10-01	1135.1	1200	1112.9	1200
2024-09-01	1135.1	1200	1112.9	1200
2024-08-01	1135.1	1200	1112.9	1200
2024-07-01	1135.1	1200	1112.9	1200
2024-06-01	1135.1	1200	1112.9	1200
2024-08-01	1138.8	1200	1112.2	1200
2024-04-01	1138.8	1200	1112.2	1200
2024-03-01	1138.8	1200	1112.2	1200
2024-02-01	1138.8	1200	1112.2	1200
2024-01-01	1138.8	1200	1112.2	1200
2023-12-01	1138.8	1200	1112.2	1200
2023-11-01	1138.8	1200	1112.2	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	Cape Town Chess Junior League 2025 (U14+U16 Development)	2025-05-23	2025-05-31	Rapid	Cape Town (WCT)	7	7	6	Yes	Analysis
2	Helderberg Chess Club PS Development Tournament 2025 (U13 Boys)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Junior League 2025 (U14+U16 Development)	2025-05-23	2025-05-31	Rapid	Cape Town (WCT)	7	7	6	Yes	Analysis
2	Helderberg Chess Club PS Development Tournament 2025 (U13 Boys)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
3	Helderberg Chess Club Open 2024 (B)	2024-11-09	2024-11-10	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Steinitz Chess Festival 2024 (U14)	2024-05-11	2024-05-11	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
5	Grant East Primary School Invitational Chess Tournament 2023 (U11 Mixed)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
6	Curro Durbanville Chess Open Rapid 2023 (Intermediate)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	1	Yes	Analysis
7	Steinitz Open 2023 (U12)	2023-05-27	2023-05-27	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-01-25	rnd 5	type Standard	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Fourie, O (Oliver)				Opponent Samuels, M (Mason)
2	2	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament Helderberg Chess Club PS Development Tournament 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 2	type Standard	result 1
		Opponent Makumbe, P (Perfect)				Opponent Bester, D (Dustin)
3	2	Tournament Helderberg Chess Club Open 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-09	rnd 2	type Standard	result 1	date 2024-11-09	rnd 3	type Standard	result 1
		Opponent Nkomo, T (Tatenda)				Opponent Koen, G (Gustav)

#	Games	Start				End
1	2	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament Helderberg Chess Club PS Development Tournament 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 2	type Standard	result 1
		Opponent Makumbe, P (Perfect)				Opponent Bester, D (Dustin)
2	2	Tournament Helderberg Chess Club Open 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-09	rnd 2	type Standard	result 1	date 2024-11-09	rnd 3	type Standard	result 1
		Opponent Nkomo, T (Tatenda)				Opponent Koen, G (Gustav)
3	1	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament Helderberg Chess Club PS Development Tournament 2025
		date 2025-01-25	rnd 5	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Fourie, O (Oliver)				Opponent Fourie, O (Oliver)

#	Games	Start				End
1	7	Tournament Steinitz Chess Festival 2024				Tournament Cape Town Chess Junior League 2025
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Qoto, A (Asivile)				Opponent Samuels, M (Mason)
2	2	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-07-15	rnd 6	type Rapid	result 1	date 2023-11-04	rnd 1	type Rapid	result 1
		Opponent Mokhele, Z (Zimi)				Opponent Du Plessis, A (Adriaan Rastus)
3	1	Tournament Steinitz Chess Festival 2024				Tournament Steinitz Chess Festival 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 3	type Rapid	result 1
		Opponent Sadien, A (Adam)				Opponent Sadien, A (Adam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-01-25	rnd 5	type Standard	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Fourie, O (Oliver)				Opponent Samuels, M (Mason)
2	2	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament Helderberg Chess Club PS Development Tournament 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 2	type Standard	result 1
		Opponent Makumbe, P (Perfect)				Opponent Bester, D (Dustin)
3	2	Tournament Helderberg Chess Club Open 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-09	rnd 2	type Standard	result 1	date 2024-11-09	rnd 3	type Standard	result 1
		Opponent Nkomo, T (Tatenda)				Opponent Koen, G (Gustav)

#	Games	Start				End
1	2	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament Helderberg Chess Club PS Development Tournament 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 2	type Standard	result 1
		Opponent Makumbe, P (Perfect)				Opponent Bester, D (Dustin)
2	2	Tournament Helderberg Chess Club Open 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-09	rnd 2	type Standard	result 1	date 2024-11-09	rnd 3	type Standard	result 1
		Opponent Nkomo, T (Tatenda)				Opponent Koen, G (Gustav)
3	1	Tournament Helderberg Chess Club PS Development Tournament 2025				Tournament Helderberg Chess Club PS Development Tournament 2025
		date 2025-01-25	rnd 5	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Fourie, O (Oliver)				Opponent Fourie, O (Oliver)

#	Games	Start				End
1	7	Tournament Steinitz Chess Festival 2024				Tournament Cape Town Chess Junior League 2025
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Qoto, A (Asivile)				Opponent Samuels, M (Mason)
2	2	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-07-15	rnd 6	type Rapid	result 1	date 2023-11-04	rnd 1	type Rapid	result 1
		Opponent Mokhele, Z (Zimi)				Opponent Du Plessis, A (Adriaan Rastus)
3	1	Tournament Steinitz Chess Festival 2024				Tournament Steinitz Chess Festival 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 3	type Rapid	result 1
		Opponent Sadien, A (Adam)				Opponent Sadien, A (Adam)

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	He ,Z (Zonghan)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	He ,Z (Zonghan)	2	1233.2	808.2	0	0	0	2	1251.4	808.2	0	0	0
2	Jacobs ,DE (Darryl)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Jacobs ,DE (Darryl)	1	1373.5	948.5	1	1357.2	948.5	0	0	0	0	0	0
3	Potgieter ,G (Gert Olivier)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Potgieter ,G (Gert Olivier)	1	1199.4	774.4	1	1180.9	774.4	0	0	0	0	0	0
4	Fourie ,O (Oliver)	1	1	425	1	1	425	0	0	0	0	0	0
4	Fourie ,O (Oliver)	1	1276.6	1701.6	1	1228.6	1701.6	0	0	0	0	0	0
5	Kruger ,D (Dawid)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kruger ,D (Dawid)	1	1462.4	1037.4	1	1443.1	1037.4	0	0	0	0	0	0
6	Makumbe ,P (Perfect)	1	1	425	1	1	425	0	0	0	0	0	0
6	Makumbe ,P (Perfect)	1	1329.5	1754.5	1	1288.9	1754.5	0	0	0	0	0	0
7	Nkomo ,T (Tatenda)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nkomo ,T (Tatenda)	1	1236.8	1661.8	1	1218.8	1661.8	0	0	0	0	0	0
8	Sadien ,A (Adam)	1	1	425	0	0	0	1	1	425	0	0	0
8	Sadien ,A (Adam)	1	1201.7	1626.7	0	0	0	1	1206.1	1626.7	0	0	0
9	Majangaza ,S (Simehlule)	1	1	425	0	0	0	1	1	425	0	0	0
9	Majangaza ,S (Simehlule)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Rothmann ,C (Christiaan)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Rothmann ,C (Christiaan)	1	1185.6	760.6	0	0	0	1	1178	760.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Serfontein, C (Carlu)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms