Chess South Africa Ratings Database

PLAYER PAGE

Personal

Meyer, I (Isabella)

Chess SA id

2150192978

FIDE id

Date of birth

2015-07-07 (U12)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

55.7

Junior GPX Points

1301.5

Item	Main	Standard	Rapid	Blitz
Rating	1409.5	1402.6	1188.1	1200
Raw rating	1388.8	1396.1	1188.1	1200
Weighted rating	1324.9	1336.4	1186	1200
Weighted performance	1409.5	1402.6	0	0
Floor	888.8	896.1	706	700
K-factor	36	36	36	36
Min/Max rating change allowed	126.7	125.4	168.7	165.8
Highest rating	1425.5 2025-09-30	1418.6 2025-09-30	1237.4 2024-06-01	1200 2024-02-01
Highest raw rating	1388.8 2025-09-30	1396.1 2025-09-30	1206 2024-07-01	1200 2024-02-01
Highest weighted rating	1362.3 2024-10-01	1372.4 2024-10-01	1206 2024-10-01	1200 2024-02-01
Highest weighted performance	1425.5 2025-09-30	1418.6 2025-09-30	1237.4 2024-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.5	-6.5	0	0
New rating	1401	1396.1	1188.1	1200
Analysis
Rating	1409.5	1402.6	1188.1	1200
Raw rating	1388.8	1396.1	1188.1	1200
Weighted rating	1324.9	1336.4	1186
Weighted performance	1409.5	1402.6	0
K-factor	36	36	36	36
Floor	888.8	896.1	706	700
Max/Min rating change allowed	126.7	125.4	168.7	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	1388.8	1396.1	1188.1	1200
New weighted rating	1332.5	1343.8	1185.9	1200
New weighted performance	1401	1394.1	0	0
Temp new rating	1401	1396.1	1188.1	1200
Temp new rating +/-	-8.5	-6.5	0	0
Final new rating +/-	-8.5	-6.5	0	0
New rating	1401	1396.1	1188.1	1200
New K-factor	36	36	36	36
New floor	888.8	896.1	706	700

Item	Main	Standard	Rapid
	0	0	0
	54	54	0
	49	40	9
	0	0	0
	0	0	0
	0	0	0
History	103	94	9

Games since
	Main 103	Standard 94		Rapid 9		Blitz 0
Gender	Female
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2086		648		170
Female	345		125		34
U12	270		83		23
U12 Female	73		23		7
Standard
	RSA		Province		Region
Overall	2069		578		160
Female	352		122		36
U12	274		75		26
U12 Female	74		22		9
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	54	32	59.26	78.7	1301.5	1380.2
Standard	54	32	59.26	78.7	1301.5	1380.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	103	58.5	56.8	57.8	1272	1329.8
Standard	94	56	59.57	81.4	1271.2	1352.6
Rapid	9	2.5	27.78	-188.9	1280.7	1091.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1388.8	1396.1	1188.1	1200
2025-09-30	1388.8	1396.1	1188.1	1200
2025-09-01	1372.1	1381.4	1188.1	1200
2025-08-01	1320.3	1317.7	1188.1	1200
2025-07-01	1320.3	1317.7	1188.1	1200
2025-06-01	1320.3	1317.7	1188.1	1200
2025-05-01	1315.4	1311.5	1188.1	1200
2025-04-01	1354.7	1372.4	1188.1	1200
2025-03-01	1339.2	1366.2	1188.1	1200
2025-02-01	1319.8	1357.7	1185.7	1200
2025-01-01	1319.8	1357.7	1147.3	1200
2024-12-01	1319.8	1357.7	1147.3	1200
2024-11-01	1319.8	1357.7	1147.3	1200
2024-10-01	1362.3	1357.7	1206	1200
2024-09-01	1305.6	1321.6	1206	1200
2024-08-01	1244.9	1251.8	1206	1200
2024-07-01	1244.9	1251.8	1206	1200
2024-09-01	1241.2	1251.8	1200	1200
2024-05-01	1241.2	1251.8	1200	1200
2024-04-01	1202.4	1202.8	1200	1200
2024-03-01	1206	1206.8	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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 (U11 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
2	Eden Top Schools 2025 (U11 Girls)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	5	Yes	Analysis
5	South African Junior Closed Chess Championships 2025 (U10 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4	Yes	Analysis
6	Eden Schools Chess Trials 1 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	George Schools Chess Trials 3 2025 (U11 Girls)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	George Schools Chess Trials 2 2025 (U11 Girls)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
9	George Schools Chess Trials 1 2025 (U11 Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	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 (U11 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
2	Eden Top Schools 2025 (U11 Girls)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	5	Yes	Analysis
5	South African Junior Closed Chess Championships 2025 (U10 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4	Yes	Analysis
6	Eden Schools Chess Trials 1 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	George Schools Chess Trials 3 2025 (U11 Girls)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	George Schools Chess Trials 2 2025 (U11 Girls)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
9	George Schools Chess Trials 1 2025 (U11 Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
10	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	1	Yes	Analysis
11	Western Cape Top Schools Championship 2024 (U9 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	4	Yes	Analysis
12	Eden Top Schools 2024 (U9 Girls)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	5	5	Yes	Analysis
13	Western Cape - Kings and Queens 2024 (Girls)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	5	4	1.5	Yes	Analysis
14	Eden Chess Trials 2 2024 (U10)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	5	Yes	Analysis
15	Eden School Chess Trials 1 2024 (U9 Girls)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
16	George Schools Trials 3 2024 (U9 Girls)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	3	Yes	Analysis
17	George Schools Trials 2 2024 (U9 Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	3	Yes	Analysis
18	George Schools Trials 1 2024 (U9 Girls)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	9	Tournament Western Cape - Kings and Queens 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-06-08	rnd 4	type Rapid	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Ferus, Z (Zarah)				Opponent Botha, M (Mashone)
2	5	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Fourie, F (Fatima)				Opponent April, C (Caydee)
3	4	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 1 2025
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 0.5
		Opponent Boshoff, J (Jaylen)				Opponent Coleman, G (Gabriella)

#	Games	Start				End
1	8	Tournament Eden Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-17	rnd 1	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Komeni, L (Lilo)				Opponent Botha, M (Mashone)
2	5	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Fourie, F (Fatima)				Opponent April, C (Caydee)
3	5	Tournament Western Cape Top Schools Championship 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-09-01	rnd 5	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 0.5
		Opponent Koopman, P (Percian)				Opponent Coleman, G (Gabriella)

#	Games	Start				End
1	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Cwati, M (Minentle)				Opponent Cwati, M (Minentle)
2	1	Tournament Western Cape - Kings and Queens 2024				Tournament Western Cape - Kings and Queens 2024
		date 2024-06-08	rnd 4	type Rapid	result 1	date 2024-06-08	rnd 4	type Rapid	result 1
		Opponent Ferus, Z (Zarah)				Opponent Ferus, Z (Zarah)
3	1	Tournament Western Cape - Kings and Queens 2024				Tournament Western Cape - Kings and Queens 2024
		date 2024-06-08	rnd 2	type Rapid	result 0.5	date 2024-06-08	rnd 2	type Rapid	result 0.5
		Opponent Swarts, U (Umaree)				Opponent Swarts, U (Umaree)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Western Cape - Kings and Queens 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-06-08	rnd 4	type Rapid	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Ferus, Z (Zarah)				Opponent Botha, M (Mashone)
2	5	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Fourie, F (Fatima)				Opponent April, C (Caydee)
3	3	Tournament Eden Chess Trials 2 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-12	rnd 9	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Kanase, S (Sindisiwe)				Opponent Kersouw, A (Althea)

#	Games	Start				End
1	8	Tournament Eden Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-17	rnd 1	type Standard	result 1	date 2024-08-30	rnd 3	type Standard	result 1
		Opponent Komeni, L (Lilo)				Opponent Botha, M (Mashone)
2	5	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Fourie, F (Fatima)				Opponent April, C (Caydee)
3	4	Tournament Western Cape Top Schools Championship 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-09-01	rnd 5	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Koopman, P (Percian)				Opponent Cathi, B (Beunielle)

#	Games	Start				End
1	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Cwati, M (Minentle)				Opponent Cwati, M (Minentle)
2	1	Tournament Western Cape - Kings and Queens 2024				Tournament Western Cape - Kings and Queens 2024
		date 2024-06-08	rnd 4	type Rapid	result 1	date 2024-06-08	rnd 4	type Rapid	result 1
		Opponent Ferus, Z (Zarah)				Opponent Ferus, Z (Zarah)

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	Fredericks ,B (Bethany)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Fredericks ,B (Bethany)	4	1215.6	1003.1	4	1221	1003.1	0	0	0	0	0	0
2	Du Preez ,J (Juwane)	3	3	425	3	3	425	0	0	0	0	0	0
2	Du Preez ,J (Juwane)	3	1181.9	1606.9	3	1178.1	1606.9	0	0	0	0	0	0
3	James ,S (Sarah-Jane)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	James ,S (Sarah-Jane)	3	1431.6	1006.6	3	1452.9	1006.6	0	0	0	0	0	0
4	Fourie ,F (Fatima)	3	3	425	3	3	425	0	0	0	0	0	0
4	Fourie ,F (Fatima)	3	1230.1	1655.1	3	1228	1655.1	0	0	0	0	0	0
5	Stewart ,C (Chante)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Stewart ,C (Chante)	3	1248.7	1107	3	1246.1	1107	0	0	0	0	0	0
6	April ,C (Caydee)	2	2	425	2	2	425	0	0	0	0	0	0
6	April ,C (Caydee)	2	1247.8	1672.8	2	1234.1	1672.8	0	0	0	0	0	0
7	Amsterdam ,M (Meagan)	2	2	425	2	2	425	0	0	0	0	0	0
7	Amsterdam ,M (Meagan)	2	1235.8	1660.8	2	1245.7	1660.8	0	0	0	0	0	0
8	Mouton ,C (Carli)	2	1	0	2	1	0	0	0	0	0	0	0
8	Mouton ,C (Carli)	2	1286.5	1286.5	2	1283.4	1286.5	0	0	0	0	0	0
9	Botha ,M (Mashone)	2	2	425	2	2	425	0	0	0	0	0	0
9	Botha ,M (Mashone)	2	1187.6	1612.6	2	1186.1	1612.6	0	0	0	0	0	0
10	Kanase ,S (Sindisiwe)	2	2	425	2	2	425	0	0	0	0	0	0
10	Kanase ,S (Sindisiwe)	2	1210.3	1635.3	2	1214.2	1635.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Meyer, I (Isabella)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms