Chess South Africa Ratings Database

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Personal

Coetzee, S (Simeon)

Chess SA id

1150158814

FIDE id

Date of birth

2015-02-03 (U12)

Gender

Male

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1278.2	1216.6	1328.2	1200
Raw rating	1278.2	1216.6	1328.2	1200
Weighted rating	1248	1201.3	1279	1200
Weighted performance	1221.9	0	1221.6	0
Floor	778.2	716.6	828.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.3	161.9	138.1	165.8
Highest rating	1278.2 2025-09-30	1216.6 2025-09-30	1328.2 2025-09-01	1200 2018-10-01
Highest raw rating	1278.2 2025-09-30	1216.6 2025-09-30	1328.2 2025-09-01	1200 2024-03-01
Highest weighted rating	1248 2025-09-30	1201.3 2025-09-30	1274 2025-09-01	1200 2018-10-01
Highest weighted performance	1221.9 2025-09-30	1200 2024-03-01	1281.3 2023-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1278.2	1216.6	1328.2	1200
Analysis
Rating	1278.2	1216.6	1328.2	1200
Raw rating	1278.2	1216.6	1328.2	1200
Weighted rating	1248	1201.3	1279
Weighted performance	1221.9	0	1221.6
K-factor	36	36	36	36
Floor	778.2	716.6	828.2	700
Max/Min rating change allowed	148.3	161.9	138.1	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	1278.2	1216.6	1328.2	1200
New weighted rating	1250.9	1202.6	1283.7	1200
New weighted performance	1221.4	0	1221.1	0
Temp new rating	1278.2	1216.6	1328.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1278.2	1216.6	1328.2	1200
New K-factor	36	36	36	36
New floor	778.2	716.6	828.2	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	10	0	10
	20	0	20
	0	0	0
	0	0	0
History	40	5	35

Games since
	Main 20	Standard 5		Rapid 15		Blitz 0
Gender	Male
Age group	U12
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	10	7	70	170	1224.7	1394.7
Standard	5	3	60	85	1200	1285
Rapid	5	4	80	255	1249.3	1504.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	24.5	61.25	95.6	1205.8	1301.4
Standard	5	3	60	85	1200	1285
Rapid	35	21.5	61.43	97.1	1206.6	1303.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1278.2	1216.6	1328.2	1200
2025-09-01	1277.9	1200	1328.2	1200
2025-08-01	1246	1200	1275.6	1200
2025-07-01	1246	1200	1275.6	1200
2025-06-01	1246	1200	1275.6	1200
2025-05-01	1246	1200	1275.6	1200
2025-04-01	1246	1200	1275.6	1200
2025-03-01	1246	1200	1275.6	1200
2025-02-01	1246	1200	1275.6	1200
2025-01-01	1246	1200	1275.6	1200
2024-12-01	1246	1200	1275.6	1200
2024-11-01	1246	1200	1275.6	1200
2024-10-01	1246	1200	1275.6	1200
2024-09-01	1246	1200	1275.6	1200
2024-08-01	1229.6	1200	1249	1200
2024-07-01	1229.6	1200	1249	1200
2024-06-01	1229.6	1200	1249	1200
2024-08-01	1229.6	1200	1249	1200
2024-04-01	1229.6	1200	1249	1200
2024-03-01	1229.6	1200	1249	1200
2024-02-01	1229.6	1200	1249	1200
2024-01-01	1229.6	1200	1249	1200
2023-12-01	1229.6	1200	1249	1200
2023-11-01	1229.6	1200	1249	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	Mpumalanga Regional Chess Trials 2025 (U12)	2025-09-20	2025-09-20	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
2	Rookies Tournament Secunda 2025 (U11)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mpumalanga Regional Chess Trials 2025 (U12)	2025-09-20	2025-09-20	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
2	Rookies Tournament Secunda 2025 (U11)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis
3	Top Schools Gert Sibande 2024 (U9)	2024-08-16	2024-08-16	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis
4	Govan Mbeki 2024 (U9)	2024-08-02	2024-08-02	Rapid	Gert Sibande (MGS)	5	5	2	Yes	Analysis
5	Highveld Ridge West 2023 (U9)	2023-08-09	2023-08-09	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
6	Govin Mbeki Teams Chess Tournament 2023 (U9)	2023-08-18	2023-08-18	Rapid	Gert Sibande (MGS)	5	5	2.5	Yes	Analysis
7	2023 Gert Sibande League (U9)	2023-08-25	2023-08-25	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
8	Ho�veldgroep 2023 (O9)	2023-07-28	2023-07-28	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament Top Schools Gert Sibande 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-16	rnd 2	type Rapid	result 1	date 2025-08-08	rnd 4	type Rapid	result 1
		Opponent Ndhlangamandla, M (Mpendulenhle)				Opponent Botha, J (Juan)
2	4	Tournament Ho�veldgroep 2023				Tournament Highveld Ridge West 2023
		date 2023-07-28	rnd 3	type Rapid	result 1	date 2023-08-09	rnd 1	type Rapid	result 1
		Opponent Steyn, W (Willem)				Opponent Rothballer, E (Edie)
3	3	Tournament 2023 Gert Sibande League				Tournament 2023 Gert Sibande League
		date 2023-08-25	rnd 2	type Rapid	result 1	date 2023-08-25	rnd 4	type Rapid	result 1
		Opponent Mgiyane, Z (Zincome)				Opponent Basson, H (Hayley)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Top Schools Gert Sibande 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-16	rnd 2	type Rapid	result 1	date 2025-08-08	rnd 4	type Rapid	result 1
		Opponent Ndhlangamandla, M (Mpendulenhle)				Opponent Botha, J (Juan)
2	4	Tournament Ho�veldgroep 2023				Tournament Highveld Ridge West 2023
		date 2023-07-28	rnd 3	type Rapid	result 1	date 2023-08-09	rnd 1	type Rapid	result 1
		Opponent Steyn, W (Willem)				Opponent Rothballer, E (Edie)
3	3	Tournament 2023 Gert Sibande League				Tournament 2023 Gert Sibande League
		date 2023-08-25	rnd 2	type Rapid	result 1	date 2023-08-25	rnd 4	type Rapid	result 1
		Opponent Mgiyane, Z (Zincome)				Opponent Basson, H (Hayley)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Top Schools Gert Sibande 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-16	rnd 2	type Rapid	result 1	date 2025-08-08	rnd 4	type Rapid	result 1
		Opponent Ndhlangamandla, M (Mpendulenhle)				Opponent Botha, J (Juan)
2	4	Tournament Ho�veldgroep 2023				Tournament Highveld Ridge West 2023
		date 2023-07-28	rnd 3	type Rapid	result 1	date 2023-08-09	rnd 1	type Rapid	result 1
		Opponent Steyn, W (Willem)				Opponent Rothballer, E (Edie)
3	3	Tournament 2023 Gert Sibande League				Tournament 2023 Gert Sibande League
		date 2023-08-25	rnd 2	type Rapid	result 1	date 2023-08-25	rnd 4	type Rapid	result 1
		Opponent Mgiyane, Z (Zincome)				Opponent Basson, H (Hayley)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Top Schools Gert Sibande 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-16	rnd 2	type Rapid	result 1	date 2025-08-08	rnd 4	type Rapid	result 1
		Opponent Ndhlangamandla, M (Mpendulenhle)				Opponent Botha, J (Juan)
2	4	Tournament Ho�veldgroep 2023				Tournament Highveld Ridge West 2023
		date 2023-07-28	rnd 3	type Rapid	result 1	date 2023-08-09	rnd 1	type Rapid	result 1
		Opponent Steyn, W (Willem)				Opponent Rothballer, E (Edie)
3	3	Tournament 2023 Gert Sibande League				Tournament 2023 Gert Sibande League
		date 2023-08-25	rnd 2	type Rapid	result 1	date 2023-08-25	rnd 4	type Rapid	result 1
		Opponent Mgiyane, Z (Zincome)				Opponent Basson, H (Hayley)

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	Fourie ,A (Adrian)	4	0	-425	0	0	0	4	0	-425	0	0	0
1	Fourie ,A (Adrian)	4	1224.3	799.3	0	0	0	4	1241.6	799.3	0	0	0
2	Reynders ,T (Tahlia)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
2	Reynders ,T (Tahlia)	3	1152.4	1294.1	0	0	0	3	1147.5	1294.1	0	0	0
3	Cawood ,L (Luan)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
3	Cawood ,L (Luan)	3	1317.1	1458.8	0	0	0	3	1394	1458.8	0	0	0
4	Dhladhla ,H (Hleho)	3	0	-425	0	0	0	3	0	-425	0	0	0
4	Dhladhla ,H (Hleho)	3	1215.4	790.4	0	0	0	3	1246.4	790.4	0	0	0
5	Basson ,H (Hayley)	2	2	425	0	0	0	2	2	425	0	0	0
5	Basson ,H (Hayley)	2	1178.1	1603.1	0	0	0	2	1163.1	1603.1	0	0	0
6	Motlogelwa ,T (Tshegofatso)	2	2	425	0	0	0	2	2	425	0	0	0
6	Motlogelwa ,T (Tshegofatso)	2	1214.6	1639.6	0	0	0	2	1224.7	1639.6	0	0	0
7	Janse Van Rensburg ,S (Sue-Ann)	2	1	0	0	0	0	2	1	0	0	0	0
7	Janse Van Rensburg ,S (Sue-Ann)	2	1179.3	1179.3	0	0	0	2	1166.9	1179.3	0	0	0
8	Mazibuko ,B (Bandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mazibuko ,B (Bandile)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Mlangeni ,J (Junior)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mlangeni ,J (Junior)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Nkosi ,A (Awami)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nkosi ,A (Awami)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzee, S (Simeon)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms