Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, C (Cornel)

Chess SA id

1010104917

FIDE id

Date of birth

2001-02-12 (Adult)

Gender

Male

Region

Chess South Africa (CSA)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1218.5	1231	1201.6	1056.4
Raw rating	1218.5	1231	1201.6	1056.4
Weighted rating	1173.9	1183.4	1201.1	1056.4
Weighted performance	0	0	0	0
Floor	718.5	731	701.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.5	158.7	165.4	203.5
Highest rating	1218.5 2025-07-01	1231 2025-07-01	1201.6 2025-04-01	1200 2018-02-01
Highest raw rating	1218.5 2025-07-01	1231 2025-07-01	1201.6 2025-04-01	1200 2018-02-01
Highest weighted rating	1218.5 2018-02-01	1231 2018-02-01	1200.6 2025-08-01	1200 2018-02-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1218.5	1231	1201.6	1056.4
Analysis
Rating	1218.5	1231	1201.6	1056.4
Raw rating	1218.5	1231	1201.6	1056.4
Weighted rating	1173.9	1183.4	1201.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	718.5	731	701.6	700
Max/Min rating change allowed	161.5	158.7	165.4	203.5
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	1218.5	1231	1201.6	1056.4
New weighted rating	1179	1188.7	1201.1	1056.4
New weighted performance	0	0	0	0
Temp new rating	1218.5	1231	1201.6	1056.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1218.5	1231	1201.6	1056.4
New K-factor	36	36	36	36
New floor	718.5	731	701.6	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	12	5	7	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	25	8	7	10

Games since
	Main 12	Standard 5		Rapid 7		Blitz 0
Gender	Male
Age group	Adult
Region	Chess South Africa (CSA)
Province
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	8	66.67	141.7	1236.1	1377.8
Standard	5	5	100	425	1142.9	1567.9
Rapid	7	3	42.86	-60.7	1302.7	1242
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	9.5	38	-102	1223.7	1121.7
Standard	8	5.5	68.75	159.4	1085.2	1244.6
Rapid	7	3	42.86	-60.7	1302.7	1242
Blitz	10	1	10	-340	1279.2	939.2

Date	Main	Standard	Rapid	Blitz
2026-01-01	1218.5	1231	1201.6	1056.4
2025-11-30	1218.5	1231	1201.6	1056.4
2025-11-01	1218.5	1231	1201.6	1056.4
2025-09-30	1218.5	1231	1201.6	1056.4
2025-09-01	1218.5	1231	1201.6	1056.4
2025-08-01	1218.5	1231	1201.6	1056.4
2025-07-01	1218.5	1231	1201.6	1056.4
2025-06-01	1142.5	1137.6	1201.6	1056.4
2025-05-01	1142.5	1137.6	1201.6	1056.4
2025-04-01	1142.5	1137.6	1201.6	1056.4
2025-03-01	1125.8	1137.6	1200	1056.4
2025-02-01	1125.8	1137.6	1200	1056.4
2025-01-01	1125.8	1137.6	1200	1056.4
2024-12-01	1125.8	1137.6	1200	1056.4
2024-11-01	1125.8	1137.6	1200	1056.4
2024-10-01	1125.8	1137.6	1200	1056.4
2024-09-01	1125.8	1137.6	1200	1056.4
2024-11-01	1125.8	1137.6	1200	1056.4
2024-07-01	1125.8	1137.6	1200	1056.4
2024-06-01	1125.8	1137.6	1200	1056.4
2024-05-01	1125.8	1137.6	1200	1056.4
2024-04-01	1125.8	1137.6	1200	1056.4
2024-03-01	1125.8	1137.6	1200	1056.4
2024-02-01	1125.8	1137.6	1200	1056.4

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2025 (C)	2025-06-07	2025-06-08	Standard	Cape Town (WCT)	6	5	5	Yes	Analysis
2	Steinitz Festival 2025 (Open)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
3	Waterkloof Open Fide Blitz 2018	2018-08-02	2018-08-02	Blitz	Tshwane (GTP)	10	10	1	Yes	Analysis
4	2018 Gauteng League Final (U17)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	3	0.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Steinitz Festival 2025				Tournament Helderberg Chess Club Open 2025
		date 2025-03-15	rnd 6	type Rapid	result 1	date 2025-06-08	rnd 6	type Standard	result 1
		Opponent Du Plessis, T (Tjaard)				Opponent Kamvalethu, M (Mene)
2	1	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 4	type Rapid	result 1
		Opponent Marais, Y (Yaqeen)				Opponent Marais, Y (Yaqeen)
3	1	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 2	type Standard	result 0.5	date 2018-08-25	rnd 2	type Standard	result 0.5
		Opponent Kerr, Z (Zandile)				Opponent Kerr, Z (Zandile)

#	Games	Start				End
1	5	Tournament Helderberg Chess Club Open 2025				Tournament Helderberg Chess Club Open 2025
		date 2025-06-07	rnd 1	type Standard	result 1	date 2025-06-08	rnd 6	type Standard	result 1
		Opponent Rehse, G (Grant)				Opponent Kamvalethu, M (Mene)
2	1	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 2	type Standard	result 0.5	date 2018-08-25	rnd 2	type Standard	result 0.5
		Opponent Kerr, Z (Zandile)				Opponent Kerr, Z (Zandile)

#	Games	Start				End
1	2	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 6	type Rapid	result 1	date 2025-03-15	rnd 7	type Rapid	result 1
		Opponent Du Plessis, T (Tjaard)				Opponent Abrahams, H (Harrison)
2	1	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 4	type Rapid	result 1
		Opponent Marais, Y (Yaqeen)				Opponent Marais, Y (Yaqeen)

#	Games	Start				End
1	1	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 7	type Blitz	result 1	date 2018-08-02	rnd 7	type Blitz	result 1
		Opponent Strumpfer, C (Christo)				Opponent Strumpfer, C (Christo)

#	Games	Start				End
1	7	Tournament Steinitz Festival 2025				Tournament Helderberg Chess Club Open 2025
		date 2025-03-15	rnd 6	type Rapid	result 1	date 2025-06-08	rnd 6	type Standard	result 1
		Opponent Du Plessis, T (Tjaard)				Opponent Kamvalethu, M (Mene)
2	1	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 4	type Rapid	result 1
		Opponent Marais, Y (Yaqeen)				Opponent Marais, Y (Yaqeen)
3	1	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 7	type Blitz	result 1	date 2018-08-02	rnd 7	type Blitz	result 1
		Opponent Strumpfer, C (Christo)				Opponent Strumpfer, C (Christo)

#	Games	Start				End
1	5	Tournament Helderberg Chess Club Open 2025				Tournament Helderberg Chess Club Open 2025
		date 2025-06-07	rnd 1	type Standard	result 1	date 2025-06-08	rnd 6	type Standard	result 1
		Opponent Rehse, G (Grant)				Opponent Kamvalethu, M (Mene)

#	Games	Start				End
1	2	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 6	type Rapid	result 1	date 2025-03-15	rnd 7	type Rapid	result 1
		Opponent Du Plessis, T (Tjaard)				Opponent Abrahams, H (Harrison)
2	1	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 4	type Rapid	result 1
		Opponent Marais, Y (Yaqeen)				Opponent Marais, Y (Yaqeen)

#	Games	Start				End
1	1	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 7	type Blitz	result 1	date 2018-08-02	rnd 7	type Blitz	result 1
		Opponent Strumpfer, C (Christo)				Opponent Strumpfer, C (Christo)

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	Simango ,S (Selso)	1	1	425	1	1	425	0	0	0	0	0	0
1	Simango ,S (Selso)	1	1164	1589	1	1177.2	1589	0	0	0	0	0	0
2	Lelaka ,N (Nakedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Lelaka ,N (Nakedi)	1	931.9	506.9	1	942.2	506.9	0	0	0	0	0	0
3	Claassen ,J (Jean-Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Claassen ,J (Jean-Daniel)	1	1409.6	984.6	1	1405.7	984.6	0	0	0	0	0	0
4	Kerr ,Z (Zandile)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Kerr ,Z (Zandile)	1	625.5	625.5	1	651.2	625.5	0	0	0	0	0	0
5	Rehse ,G (Grant)	1	1	425	1	1	425	0	0	0	0	0	0
5	Rehse ,G (Grant)	1	1191.7	1616.7	1	1187.2	1616.7	0	0	0	0	0	0
6	Kamvalethu ,M (Mene)	1	1	425	1	1	425	0	0	0	0	0	0
6	Kamvalethu ,M (Mene)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Tjale ,P (Phillipmaite)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Tjale ,P (Phillipmaite)	1	1343	918	0	0	0	1	1263.4	918	0	0	0
8	Mahomed ,A (Amaan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Mahomed ,A (Amaan)	1	1341.6	916.6	0	0	0	1	1200	916.6	0	0	0
9	Abrahams ,H (Harrison)	1	1	425	0	0	0	1	1	425	0	0	0
9	Abrahams ,H (Harrison)	1	1310.7	1735.7	0	0	0	1	1221	1735.7	0	0	0
10	Badenhuizen ,D (Dylan)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Badenhuizen ,D (Dylan)	1	1266.1	841.1	0	0	0	1	1301.3	841.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzee, C (Cornel)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms