Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rostoll, C (Chante)

Chess SA id

2190314655

FIDE id

Date of birth

2019-01-02 (U8)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

37.5

Junior GPX Points

1366.5

Item	Main	Standard	Rapid	Blitz
Rating	1430.8	1463.8	1197.1	1200
Raw rating	1430.8	1463.8	1164	1200
Weighted rating	1341.8	1350.2	1197.1	1200
Weighted performance	1298	1381.9	0	0
Floor	958	963.8	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	119.3	113.9	174.5	165.8
Highest rating	1458 2025-08-01	1463.8 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1458 2025-08-01	1463.8 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1341.8 2025-11-01	1303.8 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	1456.6 2025-05-05	1463.4 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-2.8	0
New rating	1430.8	1463.8	1194.4	1200
Analysis
Rating	1430.8	1463.8	1197.1	1200
Raw rating	1430.8	1463.8	1164	1200
Weighted rating	1341.8	1350.2	1197.1
Weighted performance	1298	1381.9	0
K-factor	32	32	36	36
Floor	958	963.8	700	700
Max/Min rating change allowed	119.3	113.9	174.5	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	1430.8	1463.8	1164	1200
New weighted rating	1353.2	1363.9	1194.4	1200
New weighted performance	1290.1	1373.3	0	0
Temp new rating	1430.8	1463.8	1194.4	1200
Temp new rating +/-	0	0	-2.8	0
Final new rating +/-	0	0	-2.8	0
New rating	1430.8	1463.8	1194.4	1200
New K-factor	32	32	36	36
New floor	958	963.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	41	35	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	41	35	6

Games since
	Main 41	Standard 35		Rapid 6		Blitz 0
Gender	Female
Age group	U8
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1872		577		143
Female	292		104		25
U8	23		9		6
U8 Female	5		3		2
Standard
	RSA		Province		Region
Overall	1488		404		99
Female	220		71		19
U8	17		6		5
U8 Female	3		2		2
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U8	-1		-1		-1
U8 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U8	-1		-1		-1
U8 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	41	29.5	71.95	186.6	1247.9	1434.5
Standard	35	27.5	78.57	242.9	1225.9	1468.8
Rapid	6	2	33.33	-141.7	1376.2	1234.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	41	29.5	71.95	186.6	1247.9	1434.5
Standard	35	27.5	78.57	242.9	1225.9	1468.8
Rapid	6	2	33.33	-141.7	1376.2	1234.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1430.8	1463.8	1164	1200
2025-09-30	1458	1463.8	1200	1200
2025-09-01	1458	1463.8	1200	1200
2025-08-01	1458	1463.8	1200	1200
2025-07-01	1456.6	1463.4	1200	1200
2025-06-01	1456.6	1463.4	1200	1200
2025-05-01	1456.6	1463.4	1200	1200
2025-04-01	1406.9	1442.2	1200	1200
2025-03-01	1313.4	1336.7	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	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	HCPS Invitational Rapid Tournament 2025 (U7)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
2	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	Eden Chess Trials 2 2025 (U8)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U7 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
5	George Schools Chess Trials 3 2025 (U7 Girls)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis
6	George Schools Chess Trials 2 2025 (U7 Girls)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	5	Yes	Analysis
7	George Schools Chess Trials 1 2025 (U7 Gils)	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	HCPS Invitational Rapid Tournament 2025 (U7)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
2	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	Eden Chess Trials 2 2025 (U8)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U7 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
5	George Schools Chess Trials 3 2025 (U7 Girls)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis
6	George Schools Chess Trials 2 2025 (U7 Girls)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	5	Yes	Analysis
7	George Schools Chess Trials 1 2025 (U7 Gils)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	12	Tournament George Schools Chess Trials 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Anthony, A (Avia)				Opponent Hartnick, J (Janique)
2	5	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Baker, G (Gabby)				Opponent Damane, K (Khanya)
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 1
		Opponent Baker, G (Gabby)				Opponent Costa, T (Thalia Anne)

#	Games	Start				End
1	12	Tournament George Schools Chess Trials 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Anthony, A (Avia)				Opponent Hartnick, J (Janique)
2	5	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Baker, G (Gabby)				Opponent Damane, K (Khanya)
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 1
		Opponent Baker, G (Gabby)				Opponent Costa, T (Thalia Anne)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	12	Tournament George Schools Chess Trials 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Anthony, A (Avia)				Opponent Hartnick, J (Janique)
2	5	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Baker, G (Gabby)				Opponent Damane, K (Khanya)
3	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Bezuidenhout, M (Milanke)				Opponent de Coning, D (Damian)

#	Games	Start				End
1	12	Tournament George Schools Chess Trials 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Anthony, A (Avia)				Opponent Hartnick, J (Janique)
2	5	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Baker, G (Gabby)				Opponent Damane, K (Khanya)
3	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Bezuidenhout, M (Milanke)				Opponent de Coning, D (Damian)

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	Baker ,G (Gabby)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
1	Baker ,G (Gabby)	4	1219.2	1431.7	4	1223.1	1431.7	0	0	0	0	0	0
2	Maarman ,R (Ryleigh)	3	3	425	3	3	425	0	0	0	0	0	0
2	Maarman ,R (Ryleigh)	3	1221.2	1646.2	3	1225.5	1646.2	0	0	0	0	0	0
3	Vlietstra ,L (Lily)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Vlietstra ,L (Lily)	3	1245.2	1103.5	3	1254.4	1103.5	0	0	0	0	0	0
4	Barnard ,K (Kara)	3	2.5	283.3	2	1.5	212.5	1	1	425	0	0	0
4	Barnard ,K (Kara)	3	1259.2	1542.5	2	1228.3	1471.7	1	1200	1684.2	0	0	0
5	Costa ,T (Thalia Anne)	2	2	425	2	2	425	0	0	0	0	0	0
5	Costa ,T (Thalia Anne)	2	1199.4	1624.4	2	1199.2	1624.4	0	0	0	0	0	0
6	Anthony ,A (Avia)	2	2	425	2	2	425	0	0	0	0	0	0
6	Anthony ,A (Avia)	2	1201.4	1626.4	2	1201.7	1626.4	0	0	0	0	0	0
7	Damane ,K (Khanya)	2	1	0	1	1	425	1	0	-425	0	0	0
7	Damane ,K (Khanya)	2	1342.4	1342.4	1	1264.7	1767.4	1	1200	917.4	0	0	0
8	Naicker ,S (Shivani)	2	1	0	1	1	425	1	0	-425	0	0	0
8	Naicker ,S (Shivani)	2	1256.8	1256.8	1	1200	1681.8	1	1200	831.8	0	0	0
9	Stander ,D (Dawid)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Stander ,D (Dawid)	1	1199.6	774.6	1	1199.8	774.6	0	0	0	0	0	0
10	Van Staden ,L (Lianita)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Staden ,L (Lianita)	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

Rostoll, C (Chante)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms