Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kowalsky, N (Natassja)

Chess SA id

2080100531

FIDE id

Date of birth

2008-04-13 (U18)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1022.6	1010.4	1200	1200
Raw rating	1022.6	1010.4	1200	1200
Weighted rating	1022.6	1010.4	1200	1200
Weighted performance	124.5	122.3	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	213.5	217.2	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1022.6	1010.4	1200	1200
Analysis
Rating	1022.6	1010.4	1200	1200
Raw rating	1022.6	1010.4	1200	1200
Weighted rating	1022.6	1010.4	1200
Weighted performance	124.5	122.3	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	213.5	217.2	165.8	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	1022.6	1010.4	1200	1200
New weighted rating	1022.6	1010.4	1200	1200
New weighted performance	124.2	122	0	0
Temp new rating	1022.6	1010.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1022.6	1010.4	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	26	26

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	10.5	40.38	-81.7	996.4	914.6
Standard	26	10.5	40.38	-81.7	996.4	914.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1022.6	1010.4	1200	1200
2025-09-01	1022.6	1010.4	1200	1200
2025-08-01	1022.6	1010.4	1200	1200
2025-07-01	1022.6	1010.4	1200	1200
2025-06-01	1022.6	1010.4	1200	1200
2025-05-01	1022.6	1010.4	1200	1200
2025-04-01	1022.6	1010.4	1200	1200
2025-03-01	1022.6	1010.4	1200	1200
2025-02-01	1022.6	1010.4	1200	1200
2025-01-01	1022.6	1010.4	1200	1200
2024-12-01	1022.6	1010.4	1200	1200
2024-11-01	1022.6	1010.4	1200	1200
2024-10-01	1022.6	1010.4	1200	1200
2024-09-01	1022.6	1010.4	1200	1200
2024-08-01	1022.6	1010.4	1200	1200
2024-07-01	1022.6	1010.4	1200	1200
2024-06-01	1022.6	1010.4	1200	1200
2024-08-01	1022.6	1010.4	1200	1200
2024-04-01	1022.6	1010.4	1200	1200
2024-03-01	1022.6	1010.4	1200	1200
2024-02-01	1022.6	1010.4	1200	1200
2024-01-01	1022.6	1010.4	1200	1200
2023-12-01	1022.6	1010.4	1200	1200
2023-11-01	1022.6	1010.4	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2018 Tshwane Inter Region (U10E)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
2	South African Junior Team Championships 2018 (U12B Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	3	Yes	Analysis
3	2018 Alekhine Open (D)	2018-08-09	2018-08-11	Standard	Tshwane (GTP)	6	5	1	Yes	Analysis
4	2018 Swartkop Open (E)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2018 Capablanca Swiss (D)	2018-04-27	2018-04-27	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 4	type Standard	result 1
		Opponent Klopper, R (Rian)				Opponent Redelinghuys, A (Ayden)
2	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-19	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Bosman, E (Elri)				Opponent Van Der Westhuizen, A (Annemarie)
3	1	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 2	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Tarentaal, D (Demi)				Opponent Tarentaal, D (Demi)

#	Games	Start				End
1	4	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 4	type Standard	result 1
		Opponent Klopper, R (Rian)				Opponent Redelinghuys, A (Ayden)
2	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-19	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Bosman, E (Elri)				Opponent Van Der Westhuizen, A (Annemarie)
3	1	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 2	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Tarentaal, D (Demi)				Opponent Tarentaal, D (Demi)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-19	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Bosman, E (Elri)				Opponent Van Der Westhuizen, A (Annemarie)
2	2	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 2	type Standard	result 1
		Opponent Klopper, R (Rian)				Opponent Marais, JS (Jacobus)
3	1	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 2	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Tarentaal, D (Demi)				Opponent Tarentaal, D (Demi)

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-19	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Bosman, E (Elri)				Opponent Van Der Westhuizen, A (Annemarie)
2	2	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 2	type Standard	result 1
		Opponent Klopper, R (Rian)				Opponent Marais, JS (Jacobus)
3	1	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 2	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Tarentaal, D (Demi)				Opponent Tarentaal, D (Demi)

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	Radley ,CC (Carl Christopher)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Radley ,CC (Carl Christopher)	2	903.5	691	2	895.3	691	0	0	0	0	0	0
2	Marais ,JS (Jacobus Stephanus)	2	1	0	2	1	0	0	0	0	0	0	0
2	Marais ,JS (Jacobus Stephanus)	2	1085.1	1085.1	2	1072.6	1085.1	0	0	0	0	0	0
3	Van Rooyen ,M (Marcel)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Rooyen ,M (Marcel)	1	873.7	448.7	1	867.6	448.7	0	0	0	0	0	0
4	Janse Van Rensburg ,R (Rouve)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Janse Van Rensburg ,R (Rouve)	1	1057.9	632.9	1	1057.3	632.9	0	0	0	0	0	0
5	Kowalsky ,B (Brandon)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kowalsky ,B (Brandon)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Van Der Westhuizen ,A (Annemarie)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Der Westhuizen ,A (Annemarie)	1	941	1366	1	940.6	1366	0	0	0	0	0	0
7	Du Preez ,J (Julian)	1	1	425	1	1	425	0	0	0	0	0	0
7	Du Preez ,J (Julian)	1	1037.8	1462.8	1	1015.7	1462.8	0	0	0	0	0	0
8	Bezuidenhout ,DFT (Daniel Frederick Thomas)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Bezuidenhout ,DFT (Daniel Frederick Thomas)	1	1080.2	655.2	1	1061.4	655.2	0	0	0	0	0	0
9	Odendaal ,Z (Zandri)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Odendaal ,Z (Zandri)	1	977.5	552.5	1	969.5	552.5	0	0	0	0	0	0
10	Meiring ,CW (Charl Wilhelm)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Meiring ,CW (Charl Wilhelm)	1	799.8	374.8	1	658.6	374.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Kowalsky, N (Natassja)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms