Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, S (Sebastian)

Chess SA id

1050105746

FIDE id

Date of birth

2005-06-14 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1160.5	1155.6	1200	1200
Raw rating	1160.5	1155.6	1200	1200
Weighted rating	1160.5	1155.6	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.4	176.6	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1160.5	1155.6	1200	1200
Analysis
Rating	1160.5	1155.6	1200	1200
Raw rating	1160.5	1155.6	1200	1200
Weighted rating	1160.5	1155.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	175.4	176.6	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	1160.5	1155.6	1200	1200
New weighted rating	1160.5	1155.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1160.5	1155.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1160.5	1155.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	5	5
	5	5
	0	0
History	20	20

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	10	50	0	1081.4	1081.4
Standard	20	10	50	0	1081.4	1081.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1160.5	1155.6	1200	1200
2025-09-30	1160.5	1155.6	1200	1200
2025-09-01	1160.5	1155.6	1200	1200
2025-08-01	1160.5	1155.6	1200	1200
2025-07-01	1160.5	1155.6	1200	1200
2025-06-01	1160.5	1155.6	1200	1200
2025-05-01	1160.5	1155.6	1200	1200
2025-04-01	1160.5	1155.6	1200	1200
2025-03-01	1160.5	1155.6	1200	1200
2025-02-01	1160.5	1155.6	1200	1200
2025-01-01	1160.5	1155.6	1200	1200
2024-12-01	1160.5	1155.6	1200	1200
2024-11-01	1160.5	1155.6	1200	1200
2024-10-01	1160.5	1155.6	1200	1200
2024-09-01	1160.5	1155.6	1200	1200
2024-08-01	1160.5	1155.6	1200	1200
2024-07-01	1160.5	1155.6	1200	1200
2024-09-01	1160.5	1155.6	1200	1200
2024-05-01	1160.5	1155.6	1200	1200
2024-04-01	1160.5	1155.6	1200	1200
2024-03-01	1160.5	1155.6	1200	1200
2024-02-01	1160.5	1155.6	1200	1200
2024-01-01	1160.5	1155.6	1200	1200
2023-12-01	1160.5	1155.6	1200	1200

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	Grey College Team Championship 2023 (A)	2023-02-03	2023-02-04	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
2	Grey College Team Championship 2022 (B)	2022-02-18	2022-02-19	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Grey College Team Championship 2019 (B)	2019-02-22	2019-02-23	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
4	2018 Gauteng League Final (U13)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2023
		date 2022-02-19	rnd 5	type Standard	result 1	date 2023-02-03	rnd 3	type Standard	result 1
		Opponent Winkler, A (Andy)				Opponent Botha, L (Lika)
2	3	Tournament Grey College Team Championship 2019				Tournament Grey College Team Championship 2019
		date 2019-02-22	rnd 1	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Linde, B (Brendan)				Opponent Heyns, A (Anzel)
3	2	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2022
		date 2022-02-18	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Van Der Berg, H (Heinrich)				Opponent Fouche, I (Izabell)

#	Games	Start				End
1	4	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2023
		date 2022-02-19	rnd 5	type Standard	result 1	date 2023-02-03	rnd 3	type Standard	result 1
		Opponent Winkler, A (Andy)				Opponent Botha, L (Lika)
2	3	Tournament Grey College Team Championship 2019				Tournament Grey College Team Championship 2019
		date 2019-02-22	rnd 1	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Linde, B (Brendan)				Opponent Heyns, A (Anzel)
3	2	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2022
		date 2022-02-18	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Van Der Berg, H (Heinrich)				Opponent Fouche, I (Izabell)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2023
		date 2022-02-19	rnd 5	type Standard	result 1	date 2023-02-03	rnd 3	type Standard	result 1
		Opponent Winkler, A (Andy)				Opponent Botha, L (Lika)
2	3	Tournament Grey College Team Championship 2019				Tournament Grey College Team Championship 2019
		date 2019-02-22	rnd 1	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Linde, B (Brendan)				Opponent Heyns, A (Anzel)
3	2	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2022
		date 2022-02-18	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Van Der Berg, H (Heinrich)				Opponent Fouche, I (Izabell)

#	Games	Start				End
1	4	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2023
		date 2022-02-19	rnd 5	type Standard	result 1	date 2023-02-03	rnd 3	type Standard	result 1
		Opponent Winkler, A (Andy)				Opponent Botha, L (Lika)
2	3	Tournament Grey College Team Championship 2019				Tournament Grey College Team Championship 2019
		date 2019-02-22	rnd 1	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Linde, B (Brendan)				Opponent Heyns, A (Anzel)
3	2	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2022
		date 2022-02-18	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Van Der Berg, H (Heinrich)				Opponent Fouche, I (Izabell)

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	Van Der Berg ,H (Heinrich)	1	1	425	1	1	425	0	0	0	0	0	0
1	Van Der Berg ,H (Heinrich)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Hanekom ,D (Dylan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Hanekom ,D (Dylan)	1	1006	1431	1	1005.5	1431	0	0	0	0	0	0
3	Botha ,L (Lika)	1	1	425	1	1	425	0	0	0	0	0	0
3	Botha ,L (Lika)	1	1197.8	1622.8	1	1188.6	1622.8	0	0	0	0	0	0
4	Thamae ,K (Kakeletso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Thamae ,K (Kakeletso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Winkler ,A (Andy)	1	1	425	1	1	425	0	0	0	0	0	0
5	Winkler ,A (Andy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Thokane ,T (Tshepo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Thokane ,T (Tshepo)	1	1211.1	786.1	1	1223.1	786.1	0	0	0	0	0	0
7	Greeff ,D (Dylon)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Greeff ,D (Dylon)	1	1197.7	772.7	1	1197.2	772.7	0	0	0	0	0	0
8	Jacobs ,J (Jano)	1	1	425	1	1	425	0	0	0	0	0	0
8	Jacobs ,J (Jano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Greef ,S (Schalk)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Greef ,S (Schalk)	1	968.5	543.5	1	976.3	543.5	0	0	0	0	0	0
10	Linde ,B (Brendan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Linde ,B (Brendan)	1	715.6	1140.6	1	715.6	1140.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Coetzee, S (Sebastian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms