Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, E (Emma)

Chess SA id

2130137564

FIDE id

Date of birth

2013-11-16 (U14)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

32.1

Junior GPX Points

1246.2

Item	Main	Standard	Rapid	Blitz
Rating	1313.9	1279.1	1287.3	1200
Raw rating	1313.9	1279.1	1287.3	1200
Weighted rating	1273.4	1254.4	1235.7	1200
Weighted performance	1286	1232.5	1237.8	0
Floor	832.4	807.1	787.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	141	148.1	146.4	165.8
Highest rating	1332.4 2025-09-01	1307.1 2025-04-01	1287.3 2025-09-01	1200 2018-10-01
Highest raw rating	1332.4 2025-09-01	1307.1 2025-04-01	1287.3 2025-09-01	1200 2024-03-01
Highest weighted rating	1316.3 2018-10-01	1307.1 2018-10-01	1240.6 2018-10-01	1200 2018-10-01
Highest weighted performance	1319.9 2025-09-01	1307.1 2024-08-01	1251.3 2025-09-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1313.9	1279.1	1287.3	1200
Analysis
Rating	1313.9	1279.1	1287.3	1200
Raw rating	1313.9	1279.1	1287.3	1200
Weighted rating	1273.4	1254.4	1235.7
Weighted performance	1286	1232.5	1237.8
K-factor	36	36	36	36
Floor	832.4	807.1	787.3	700
Max/Min rating change allowed	141	148.1	146.4	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	1313.9	1279.1	1287.3	1200
New weighted rating	1279.8	1259.6	1241.3	1200
New weighted performance	1285.6	1232	1237.3	0
Temp new rating	1313.9	1279.1	1287.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1313.9	1279.1	1287.3	1200
New K-factor	36	36	36	36
New floor	832.4	807.1	787.3	700

Item	Main	Standard	Rapid
	0	0	0
	37	27	10
	39	21	18
	31	16	15
	4	0	4
	0	0	0
History	111	64	47

Games since
	Main 76	Standard 48		Rapid 28		Blitz 0
Gender	Female
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3033		985		145
Female	609		259		45
U14	557		192		26
U14 Female	142		64		10
Standard
	RSA		Province		Region
Overall	3266		927		129
Female	700		266		41
U14	624		180		23
U14 Female	166		68		10
Rapid
	RSA		Province		Region
Overall	1110		570		103
Female	195		115		27
U14	243		130		25
U14 Female	65		38		9
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-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	37	20	54.05	34.5	1302.7	1337.1
Standard	27	13.5	50	0	1319.3	1319.3
Rapid	10	6.5	65	127.5	1257.8	1385.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	111	53.5	48.2	-15.3	1254	1238.7
Standard	64	30	46.88	-26.6	1279.5	1252.9
Rapid	47	23.5	50	0	1219.2	1219.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1313.9	1279.1	1287.3	1200
2025-09-01	1332.4	1299.6	1287.3	1200
2025-08-01	1312.1	1299.6	1240.6	1200
2025-07-01	1312.1	1299.6	1240.6	1200
2025-06-01	1312.1	1299.6	1240.6	1200
2025-05-01	1316.3	1307.1	1240.6	1200
2025-04-01	1316.3	1307.1	1240.6	1200
2025-03-01	1288.1	1275.9	1240.6	1200
2025-02-01	1258.4	1249.3	1220.2	1200
2025-01-01	1246.7	1234.3	1220.2	1200
2024-12-01	1246.7	1234.3	1220.2	1200
2024-11-01	1246.7	1234.3	1220.2	1200
2024-10-01	1246.7	1234.3	1220.2	1200
2024-09-01	1246.7	1234.3	1220.2	1200
2024-08-01	1230.9	1204.8	1220.2	1200
2024-07-01	1235.4	1204.8	1218.4	1200
2024-06-01	1235.4	1204.8	1218.4	1200
2024-08-01	1166.7	1113.2	1218.4	1200
2024-04-01	1166.7	1113.2	1218.4	1200
2024-03-01	1171.7	1106	1218.4	1200
2024-02-01	1106.2	1106	1124	1200
2024-01-01	1109.2	1106	1143.6	1200
2023-12-01	1109.2	1106	1143.6	1200
2023-11-01	1109.2	1106	1143.6	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	Western Cape Schools - Top Schools 2025 (U13)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	3.5	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Cape Winelands Schools Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Cape Winelands Schools - Trials 1 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
6	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
7	Marie Delport Memorial 2025 (U14 Girls)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U13)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	3.5	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Cape Winelands Schools Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Cape Winelands Schools - Trials 1 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
6	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
7	Marie Delport Memorial 2025 (U14 Girls)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
8	Western Cape Women�s Championship 2024 (U12)	2024-08-09	2024-08-09	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
9	2nd Young Minds Classic 2024 (Junior)	2024-08-10	2024-08-10	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
10	Curro Durbanville Chess Rapid Open 2024 (Beginner)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
11	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
12	Cape Winelands Schools - Prestige 2024 (U11 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
13	Cape Winelands Schools - PS Trials 1 2024 (U11 Girls)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
14	Cape Winelands - Marie Delport Memorial 2024 (U12)	2024-01-27	2024-01-27	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
15	Midas Chess Youth 2023 (U10)	2023-09-09	2023-09-09	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
16	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
17	Midas Paints Chess Cup Term 2 2023 (U10)	2023-04-15	2023-04-15	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
18	Cape Winelands Schools Prestige 2023 (U11 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
19	Laerskool Welgemoed Rapid 2023 (U12)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
20	Cape Winelands Schools Chess - Trials 1 2023 (U11 Girls)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
21	Central Winelands Schools Individual Trials 2022 (U9 Girls)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Western Cape Schools Individual Championship 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Bota, A (Alupheli)				Opponent Terblanche, B (Ben)
2	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kennedy, L (Leah)				Opponent Van Der Westhuizen, L (Linli)
3	4	Tournament Western Cape PS Individuals Championship 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Volgraaff, A (Ava)				Opponent Engelbrecht, J (Jordan)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kennedy, L (Leah)				Opponent Van Der Westhuizen, L (Linli)
2	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-18	rnd 6	type Standard	result 1
		Opponent Bota, A (Alupheli)				Opponent Theunissen, B (Brooklyn)
3	3	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Rossouw, J (Jana)				Opponent Philander, J (Jadelynne)

#	Games	Start				End
1	4	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 0.5	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Botma, P (Phillip)				Opponent Terblanche, B (Ben)
2	4	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Jumat, M (Mj)				Opponent Colyn, E (Estelanie)
3	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Arora, A (Ansh)				Opponent Nyandebvu, C (Claire)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kennedy, L (Leah)				Opponent Van Der Westhuizen, L (Linli)
2	4	Tournament Western Cape PS Individuals Championship 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Volgraaff, A (Ava)				Opponent Engelbrecht, J (Jordan)
3	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Sedan, A (Abubacker)				Opponent Terblanche, B (Ben)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kennedy, L (Leah)				Opponent Van Der Westhuizen, L (Linli)
2	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-18	rnd 6	type Standard	result 1
		Opponent Bota, A (Alupheli)				Opponent Theunissen, B (Brooklyn)
3	3	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-26	rnd 5	type Standard	result 1
		Opponent Kennedy, L (Leah)				Opponent Van Der Westhuizen, L (Linli)

#	Games	Start				End
1	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Sedan, A (Abubacker)				Opponent Terblanche, B (Ben)
2	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Arora, A (Ansh)				Opponent Nyandebvu, C (Claire)
3	2	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-02-10	rnd 6	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Folscher, L (Lizel)				Opponent Engelbrecht, J (Jordan)

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 Westhuizen ,L (Linli)	5	3	85	3	3	425	2	0	-425	0	0	0
1	Van Der Westhuizen ,L (Linli)	5	1407.3	1492.3	3	1421.5	1832.3	2	1333.2	982.3	0	0	0
2	Philander ,J (Jadelynne)	4	2.5	106.2	3	2	141.7	1	0.5	0	0	0	0
2	Philander ,J (Jadelynne)	4	1168	1274.3	3	1143.2	1309.7	1	1253.2	1168	0	0	0
3	Naude ,A (Ariel)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Naude ,A (Ariel)	3	1208.1	1349.7	3	1197.2	1349.7	0	0	0	0	0	0
4	Hagen ,S (Sophia)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Hagen ,S (Sophia)	2	1563.7	1138.7	2	1548.1	1138.7	0	0	0	0	0	0
5	Kennedy ,L (Leah)	2	2	425	2	2	425	0	0	0	0	0	0
5	Kennedy ,L (Leah)	2	1101.3	1526.3	2	1101.3	1526.3	0	0	0	0	0	0
6	Van Der Merwe ,Z (Zoe)	2	1	0	2	1	0	0	0	0	0	0	0
6	Van Der Merwe ,Z (Zoe)	2	1189.4	1189.4	2	1187.4	1189.4	0	0	0	0	0	0
7	Folscher ,L (Lizel)	2	1	0	1	0	-425	1	1	425	0	0	0
7	Folscher ,L (Lizel)	2	1247.3	1247.3	1	1232.1	822.3	1	1245.7	1672.3	0	0	0
8	Jumat ,M (Mj)	2	2	425	1	1	425	1	1	425	0	0	0
8	Jumat ,M (Mj)	2	1163.1	1588.1	1	1200	1588.1	1	1150.7	1588.1	0	0	0
9	Diedericks ,S (Shardonique)	2	1	0	1	1	425	1	0	-425	0	0	0
9	Diedericks ,S (Shardonique)	2	1174.4	1174.4	1	1178.2	1599.4	1	1155.7	749.4	0	0	0
10	Botma ,P (Phillip)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
10	Botma ,P (Phillip)	2	1214.8	1002.2	1	1200	789.8	1	1200	1214.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzee, E (Emma)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms