Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sebybo, N (Natasha)

Chess SA id

2120315253

FIDE id

Date of birth

2012-11-16 (U14)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1010.1

Item	Main	Standard	Rapid	Blitz
Rating	1197.3	1195.6	1199.8	1200
Raw rating	1189.4	1181.8	1199.8	1200
Weighted rating	1197.3	1195.6	1199.8	1200
Weighted performance	0	0	0	0
Floor	699.9	700	699.9	700
K-factor	40	36	40	36
Min/Max rating change allowed	168.3	170.2	165.9	165.8
Highest rating	1199.9 2025-02-16	1200 2025-03-01	1199.9 2025-02-16	1200 2025-03-01
Highest raw rating	1199.9 2025-02-16	1200 2025-03-01	1199.9 2025-02-16	1200 2025-03-01
Highest weighted rating	1199.9 2025-02-16	1200 2025-03-01	1199.9 2025-02-16	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	-1.3	0	0
New rating	1196.5	1194.3	1199.8	1200
Analysis
Rating	1197.3	1195.6	1199.8	1200
Raw rating	1189.4	1181.8	1199.8	1200
Weighted rating	1197.3	1195.6	1199.8
Weighted performance	0	0	0
K-factor	40	36	40	36
Floor	699.9	700	699.9	700
Max/Min rating change allowed	168.3	170.2	165.9	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	1189.4	1181.8	1199.8	1200
New weighted rating	1196.5	1194.3	1199.8	1200
New weighted performance	0	0	0	0
Temp new rating	1196.5	1194.3	1199.8	1200
Temp new rating +/-	-0.7	-1.3	0	0
Final new rating +/-	-0.7	-1.3	0	0
New rating	1196.5	1194.3	1199.8	1200
New K-factor	40	36	40	36
New floor	699.9	700	699.9	700

Item	Main	Standard	Rapid
	0	0	0
	14	8	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	14	8	6

Games since
	Main 14	Standard 8		Rapid 6		Blitz 0
Gender	Female
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
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	14	4.5	32.14	-151.8	1241.1	1089.4
Standard	8	2	25	-212.5	1289.4	1076.9
Rapid	6	2.5	41.67	-70.8	1176.8	1106
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	4.5	32.14	-151.8	1241.1	1089.4
Standard	8	2	25	-212.5	1289.4	1076.9
Rapid	6	2.5	41.67	-70.8	1176.8	1106
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1189.4	1181.8	1199.8	1200
2025-09-30	1189.4	1181.8	1199.8	1200
2025-09-01	1189.4	1181.8	1199.8	1200
2025-08-01	1199.7	1199.8	1199.8	1200
2025-07-01	1199.7	1199.8	1199.8	1200
2025-06-01	1199.7	1199.8	1199.8	1200
2025-05-01	1199.5	1199.6	1199.8	1200
2025-04-01	1197.5	1197.6	1199.7	1200
2025-03-01	1198.7	1200	1198.2	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	Overberg Top Schools 2025 (U9-U13 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
2	Overberg Schools - PS Closed 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
3	Overberg Schools - PS Trials (Region 2) 2025 (U13)	2025-02-15	2025-02-15	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Top Schools 2025 (U9-U13 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
2	Overberg Schools - PS Closed 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
3	Overberg Schools - PS Trials (Region 2) 2025 (U13)	2025-02-15	2025-02-15	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Trials (Region 2) 2025				Tournament Overberg Schools - PS Trials (Region 2) 2025
		date 2025-02-15	rnd 4	type Rapid	result 1	date 2025-02-15	rnd 5	type Rapid	result 0.5
		Opponent Witbooi, C (Carla)				Opponent Manewill, R (Roberto)
2	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mngqingo, L (Linathi)				Opponent Mngqingo, L (Linathi)
3	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Witbooi, C (Carla)				Opponent Witbooi, C (Carla)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mngqingo, L (Linathi)				Opponent Mngqingo, L (Linathi)
2	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Witbooi, C (Carla)				Opponent Witbooi, C (Carla)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Trials (Region 2) 2025				Tournament Overberg Schools - PS Trials (Region 2) 2025
		date 2025-02-15	rnd 4	type Rapid	result 1	date 2025-02-15	rnd 5	type Rapid	result 0.5
		Opponent Witbooi, C (Carla)				Opponent Manewill, R (Roberto)
2	1	Tournament Overberg Schools - PS Trials (Region 2) 2025				Tournament Overberg Schools - PS Trials (Region 2) 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Besuidenhout, K (Kendall)				Opponent Besuidenhout, K (Kendall)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mngqingo, L (Linathi)				Opponent Mngqingo, L (Linathi)
2	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Witbooi, C (Carla)				Opponent Witbooi, C (Carla)
3	1	Tournament Overberg Schools - PS Trials (Region 2) 2025				Tournament Overberg Schools - PS Trials (Region 2) 2025
		date 2025-02-15	rnd 4	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 1
		Opponent Witbooi, C (Carla)				Opponent Witbooi, C (Carla)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mngqingo, L (Linathi)				Opponent Mngqingo, L (Linathi)
2	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Witbooi, C (Carla)				Opponent Witbooi, C (Carla)

#	Games	Start				End
1	1	Tournament Overberg Schools - PS Trials (Region 2) 2025				Tournament Overberg Schools - PS Trials (Region 2) 2025
		date 2025-02-15	rnd 4	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 1
		Opponent Witbooi, C (Carla)				Opponent Witbooi, C (Carla)
2	1	Tournament Overberg Schools - PS Trials (Region 2) 2025				Tournament Overberg Schools - PS Trials (Region 2) 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Besuidenhout, K (Kendall)				Opponent Besuidenhout, K (Kendall)

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	Witbooi ,C (Carla)	2	2	425	1	1	425	1	1	425	0	0	0
1	Witbooi ,C (Carla)	2	1116.2	1541.2	1	1131.9	1541.2	1	1152.3	1541.2	0	0	0
2	Mngqingo ,L (Linathi)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mngqingo ,L (Linathi)	1	1257.3	1682.3	1	1210.6	1682.3	0	0	0	0	0	0
3	Tayizoni ,D (Deborah)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Tayizoni ,D (Deborah)	1	1196.1	771.1	1	1200	771.1	0	0	0	0	0	0
4	Du Preez ,A (Anneke)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Du Preez ,A (Anneke)	1	1432.9	1007.9	1	1424.5	1007.9	0	0	0	0	0	0
5	Scholtz ,M (Miche)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Scholtz ,M (Miche)	1	1330.8	905.8	1	1319.7	905.8	0	0	0	0	0	0
6	Ntontelo ,K (Khazimla)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ntontelo ,K (Khazimla)	1	1458.9	1033.9	1	1478.9	1033.9	0	0	0	0	0	0
7	Tsobo ,O (Olungako)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Tsobo ,O (Olungako)	1	1371.4	946.4	1	1274	946.4	0	0	0	0	0	0
8	Fortuin ,E (Eron)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Fortuin ,E (Eron)	1	1151.8	726.8	1	1141.1	726.8	0	0	0	0	0	0
9	Horne ,A (Armandt)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Horne ,A (Armandt)	1	1192.9	767.9	0	0	0	1	1220.5	767.9	0	0	0
10	Manewill ,R (Roberto)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Manewill ,R (Roberto)	1	1200	1200	0	0	0	1	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sebybo, N (Natasha)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms