Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, S (Stefan)

Chess SA id

101084615

FIDE id

Date of birth

2001-07-13 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-08-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1218.6	1222	1200	1200
Raw rating	1218.6	1222	1200	1200
Weighted rating	1218.6	1222	1200	1200
Weighted performance	0	0	0	0
Floor	718.6	722	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.5	160.7	165.8	165.8
Highest rating	1281.9 2018-08-01	1283.4 2018-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1218.6 2024-03-01	1222 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1218.6 2024-03-01	1222 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1281.9 2018-08-01	1283.4 2018-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1218.6	1222	1200	1200
Analysis
Rating	1218.6	1222	1200	1200
Raw rating	1218.6	1222	1200	1200
Weighted rating	1218.6	1222	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	718.6	722	700	700
Max/Min rating change allowed	161.5	160.7	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	1218.6	1222	1200	1200
New weighted rating	1218.6	1222	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1218.6	1222	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1218.6	1222	1200	1200
New K-factor	36	36	36	36
New floor	718.6	722	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	13	13

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	9	5.5	61.11	94.4	1132.6	1227.1
Standard	9	5.5	61.11	94.4	1132.6	1227.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1218.6	1222	1200	1200
2025-09-01	1218.6	1222	1200	1200
2025-08-01	1218.6	1222	1200	1200
2025-07-01	1218.6	1222	1200	1200
2025-06-01	1218.6	1222	1200	1200
2025-05-01	1218.6	1222	1200	1200
2025-04-01	1218.6	1222	1200	1200
2025-03-01	1218.6	1222	1200	1200
2025-02-01	1218.6	1222	1200	1200
2025-01-01	1218.6	1222	1200	1200
2024-12-01	1218.6	1222	1200	1200
2024-11-01	1218.6	1222	1200	1200
2024-10-01	1218.6	1222	1200	1200
2024-09-01	1218.6	1222	1200	1200
2024-08-01	1218.6	1222	1200	1200
2024-07-01	1218.6	1222	1200	1200
2024-06-01	1218.6	1222	1200	1200
2024-08-01	1218.6	1222	1200	1200
2024-04-01	1218.6	1222	1200	1200
2024-03-01	1218.6	1222	1200	1200
2024-02-01	1218.6	1222	1200	1200
2024-01-01	1218.6	1222	1200	1200
2023-12-01	1218.6	1222	1200	1200
2023-11-01	1218.6	1222	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	2018 Gauteng League Final (U19)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
2	Ekurhuleni South District Final 2018 (U18)	2018-08-04	2018-08-04	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-25	rnd 5	type Standard	result 1
		Opponent Simelane, M (Musawenkosi)				Opponent Mahlangu, JM (James Mayibongwe)
2	2	Tournament Ekurhuleni South District Final 2018				Tournament 2018 Gauteng League Final
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-08-25	rnd 1	type Standard	result 1
		Opponent Phasha, J (Jason)				Opponent Nkotwe, T (Tshepo)
3	1	Tournament Ekurhuleni South District Final 2018				Tournament Ekurhuleni South District Final 2018
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-04	rnd 3	type Standard	result 1
		Opponent Ngonyama, L (Lloyd)				Opponent Ngonyama, L (Lloyd)

#	Games	Start				End
1	2	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-25	rnd 5	type Standard	result 1
		Opponent Simelane, M (Musawenkosi)				Opponent Mahlangu, JM (James Mayibongwe)
2	2	Tournament Ekurhuleni South District Final 2018				Tournament 2018 Gauteng League Final
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-08-25	rnd 1	type Standard	result 1
		Opponent Phasha, J (Jason)				Opponent Nkotwe, T (Tshepo)
3	1	Tournament Ekurhuleni South District Final 2018				Tournament Ekurhuleni South District Final 2018
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-04	rnd 3	type Standard	result 1
		Opponent Ngonyama, L (Lloyd)				Opponent Ngonyama, L (Lloyd)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-25	rnd 5	type Standard	result 1
		Opponent Simelane, M (Musawenkosi)				Opponent Mahlangu, JM (James Mayibongwe)
2	2	Tournament Ekurhuleni South District Final 2018				Tournament 2018 Gauteng League Final
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-08-25	rnd 1	type Standard	result 1
		Opponent Phasha, J (Jason)				Opponent Nkotwe, T (Tshepo)
3	1	Tournament Ekurhuleni South District Final 2018				Tournament Ekurhuleni South District Final 2018
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-04	rnd 3	type Standard	result 1
		Opponent Ngonyama, L (Lloyd)				Opponent Ngonyama, L (Lloyd)

#	Games	Start				End
1	2	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-25	rnd 5	type Standard	result 1
		Opponent Simelane, M (Musawenkosi)				Opponent Mahlangu, JM (James Mayibongwe)
2	2	Tournament Ekurhuleni South District Final 2018				Tournament 2018 Gauteng League Final
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-08-25	rnd 1	type Standard	result 1
		Opponent Phasha, J (Jason)				Opponent Nkotwe, T (Tshepo)
3	1	Tournament Ekurhuleni South District Final 2018				Tournament Ekurhuleni South District Final 2018
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-04	rnd 3	type Standard	result 1
		Opponent Ngonyama, L (Lloyd)				Opponent Ngonyama, L (Lloyd)

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	Mabe ,S (Sicelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mabe ,S (Sicelo)	1	1230.9	805.9	1	1237.6	805.9	0	0	0	0	0	0
2	Van Wyk ,R (Ruann)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Van Wyk ,R (Ruann)	1	1422.1	997.1	1	1419.6	997.1	0	0	0	0	0	0
3	Pretorius ,D (Dylan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pretorius ,D (Dylan)	1	850.8	425.8	1	843.6	425.8	0	0	0	0	0	0
4	Dlangamandla ,N (Ntobeko)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Dlangamandla ,N (Ntobeko)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Mahlangu ,JM (James Mayibongwe)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mahlangu ,JM (James Mayibongwe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Nkotwe ,T (Tshepo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Nkotwe ,T (Tshepo)	1	1359	1784	1	1361.6	1784	0	0	0	0	0	0
7	Ngonyama ,L (Lloyd)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ngonyama ,L (Lloyd)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Phasha ,J (Jason)	1	1	425	1	1	425	0	0	0	0	0	0
8	Phasha ,J (Jason)	1	1182.7	1607.7	1	1180	1607.7	0	0	0	0	0	0
9	Simelane ,M (Musawenkosi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Simelane ,M (Musawenkosi)	1	548.1	973.1	1	558	973.1	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 (Stefan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms