Chess South Africa Ratings Database

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Personal

Ntamo, I (Isabella)

Chess SA id

2150192874

FIDE id

Date of birth

2015-01-30 (U12)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

10.5

Junior GPX Points

1160.7

Item	Main	Standard	Rapid	Blitz
Rating	1177.1	1149	1208.7	1200
Raw rating	1177.1	1149	1208.7	1200
Weighted rating	1150.3	1142	1179.3	1200
Weighted performance	1080.6	0	0	0
Floor	700	700	708.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.3	178.3	163.8	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1208.7 2025-09-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1208.7 2025-09-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1177.1	1149	1208.7	1200
Analysis
Rating	1177.1	1149	1208.7	1200
Raw rating	1177.1	1149	1208.7	1200
Weighted rating	1150.3	1142	1179.3
Weighted performance	1080.6	0	0
K-factor	36	36	36	36
Floor	700	700	708.7	700
Max/Min rating change allowed	171.3	178.3	163.8	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	1177.1	1149	1208.7	1200
New weighted rating	1152.4	1142.2	1181.9	1200
New weighted performance	1073.6	0	0	0
Temp new rating	1177.1	1149	1208.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1177.1	1149	1208.7	1200
New K-factor	36	36	36	36
New floor	700	700	708.7	700

Item	Main	Standard	Rapid
	0	0	0
	13	8	5
	28	11	17
	0	0	0
	0	0	0
	0	0	0
History	41	19	22

Games since
	Main 41	Standard 19		Rapid 22		Blitz 0
Gender	Female
Age group	U12
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4264		1433		210
Female	1049		420		74
U12	713		250		41
U12 Female	223		90		14
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1609		792		135
Female	350		191		39
U12	307		163		34
U12 Female	93		56		12
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	13	6.5	50	0	1243.6	1243.6
Standard	8	3.5	43.75	-53.1	1225.7	1172.6
Rapid	5	3	60	85	1272.4	1357.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	41	16.5	40.24	-82.9	1212.8	1129.8
Standard	19	6.5	34.21	-134.2	1211.8	1077.6
Rapid	22	10	45.45	-38.6	1213.6	1175
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1177.1	1149	1208.7	1200
2025-09-30	1177.1	1149	1208.7	1200
2025-09-01	1177.1	1149	1208.7	1200
2025-08-01	1151.9	1149	1173.6	1200
2025-07-01	1151.9	1149	1173.6	1200
2025-06-01	1151.9	1149	1173.6	1200
2025-05-01	1151.9	1149	1173.6	1200
2025-04-01	1151.9	1149	1173.6	1200
2025-03-01	1158	1156.9	1173.6	1200
2025-02-01	1145.9	1145.1	1173.5	1200
2025-01-01	1125.7	1118.8	1164	1200
2024-12-01	1125.7	1118.8	1164	1200
2024-11-01	1125.7	1118.8	1164	1200
2024-10-01	1125.7	1118.8	1164	1200
2024-09-01	1125.7	1118.8	1164	1200
2024-08-01	1128.8	1118.8	1177.2	1200
2024-07-01	1128.8	1118.8	1177.2	1200
2024-09-01	1128.8	1118.8	1177.2	1200
2024-05-01	1111.6	1136	1149.2	1200
2024-04-01	1111.6	1136	1149.2	1200
2024-03-01	1164.4	1200	1149.2	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	Stellenbosch Primary 2025 (U11)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	3	1	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Stellenbosch Primary 2025 (U11)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	3	1	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
4	Stellenbosch Primary 2024 (U9)	2024-08-17	2024-08-17	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
5	Rhenish PS Tournament 2024 (U10)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
6	Western Cape PS Individuals Championship 2024 (U9 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
7	Cape Winelands Schools - Prestige 2024 (U9 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
8	Cape Winelands Schools - PS Trials 1 2024 (U9 Girls)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Johnson, L (Luke)				Opponent Joubert, D (Danielle)
2	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 3	type Standard	result 0.5	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Botha, L (Leane)				Opponent Daphe, E (Elnique)
3	2	Tournament Stellenbosch Primary 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-08-17	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Mellet, T (Theo)				Opponent Venter, A (Andrea)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 3	type Standard	result 0.5	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Botha, L (Leane)				Opponent Daphe, E (Elnique)
2	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Appollis, L (Lily-Blake)				Opponent Appollis, L (Lily-Blake)
3	1	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 1	type Standard	result 1
		Opponent Venter, A (Andrea)				Opponent Venter, A (Andrea)

#	Games	Start				End
1	2	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Johnson, L (Luke)				Opponent Joubert, D (Danielle)
2	2	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Nell, C (Clarisse)				Opponent Breytenbach, D (Daniel)
3	2	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Adams, L (Lo-Keisha)				Opponent Van Zyl, M (Maria Elizabeth)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Johnson, L (Luke)				Opponent Joubert, D (Danielle)
2	2	Tournament Stellenbosch Primary 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-08-17	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Mellet, T (Theo)				Opponent Venter, A (Andrea)
3	2	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Nell, C (Clarisse)				Opponent Breytenbach, D (Daniel)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Appollis, L (Lily-Blake)				Opponent Appollis, L (Lily-Blake)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Daphe, E (Elnique)				Opponent Daphe, E (Elnique)
3	1	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 1	type Standard	result 1
		Opponent Venter, A (Andrea)				Opponent Venter, A (Andrea)

#	Games	Start				End
1	2	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Johnson, L (Luke)				Opponent Joubert, D (Danielle)
2	2	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Nell, C (Clarisse)				Opponent Breytenbach, D (Daniel)
3	2	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Adams, L (Lo-Keisha)				Opponent Van Zyl, M (Maria Elizabeth)

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	Scheepers ,A (Ava)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Scheepers ,A (Ava)	3	1180.7	755.7	2	1200	755.7	1	1159.3	755.7	0	0	0
2	Adams ,L (Lo-Keisha)	2	2	425	1	1	425	1	1	425	0	0	0
2	Adams ,L (Lo-Keisha)	2	1104.8	1529.8	1	1200	1529.8	1	1036.9	1529.8	0	0	0
3	Flores ,C (Chloe)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Flores ,C (Chloe)	1	1245.4	820.4	1	1246.5	820.4	0	0	0	0	0	0
4	Botha ,L (Leane)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Botha ,L (Leane)	1	1196.9	1196.9	1	1185.4	1196.9	0	0	0	0	0	0
5	Appollis ,L (Lily-Blake)	1	1	425	1	1	425	0	0	0	0	0	0
5	Appollis ,L (Lily-Blake)	1	1214.7	1639.7	1	1218.3	1639.7	0	0	0	0	0	0
6	Sander ,H (Hannah)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Sander ,H (Hannah)	1	1254.5	829.5	1	1233.2	829.5	0	0	0	0	0	0
7	Venter ,A (Andrea)	1	1	425	1	1	425	0	0	0	0	0	0
7	Venter ,A (Andrea)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Smith ,W (Willow)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Smith ,W (Willow)	1	1246.9	821.9	1	1248.8	821.9	0	0	0	0	0	0
9	Davids ,S (Stephanie)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Davids ,S (Stephanie)	1	1205.2	780.2	1	1149.8	780.2	0	0	0	0	0	0
10	Baron ,M (Meekah)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Baron ,M (Meekah)	1	1189.2	764.2	0	0	0	1	1173	764.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ntamo, I (Isabella)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms