Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Witt, S (Somari)

Chess SA id

2110131774

FIDE id

Date of birth

2011-06-08 (U16)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1190.4	1215.6	1163.6	1200
Raw rating	1190.4	1215.6	1163.6	1200
Weighted rating	1190.4	1215.6	1163.6	1200
Weighted performance	0	0	0	0
Floor	713.9	715.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.1	162.2	174.6	165.8
Highest rating	1273.5 2020-02-01	1269.5 2020-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1213.9 2020-03-01	1215.6 2024-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1213.9 2020-03-01	1215.6 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1273.5 2020-02-01	1269.5 2020-02-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1190.4	1215.6	1163.6	1200
Analysis
Rating	1190.4	1215.6	1163.6	1200
Raw rating	1190.4	1215.6	1163.6	1200
Weighted rating	1190.4	1215.6	1163.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	713.9	715.6	700	700
Max/Min rating change allowed	168.1	162.2	174.6	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	1190.4	1215.6	1163.6	1200
New weighted rating	1190.4	1215.6	1163.6	1200
New weighted performance	0	0	0	0
Temp new rating	1190.4	1215.6	1163.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1190.4	1215.6	1163.6	1200
New K-factor	36	36	36	36
New floor	713.9	715.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	10	4.5	45	-42.5	1192.1	1149.6
Standard	5	3	60	85	1179.4	1264.4
Rapid	5	1.5	30	-170	1204.8	1034.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1190.4	1215.6	1163.6	1200
2025-09-01	1190.4	1215.6	1163.6	1200
2025-08-01	1190.4	1215.6	1163.6	1200
2025-07-01	1190.4	1215.6	1163.6	1200
2025-06-01	1190.4	1215.6	1163.6	1200
2025-05-01	1190.4	1215.6	1163.6	1200
2025-04-01	1190.4	1215.6	1163.6	1200
2025-03-01	1190.4	1215.6	1163.6	1200
2025-02-01	1190.4	1215.6	1163.6	1200
2025-01-01	1190.4	1215.6	1163.6	1200
2024-12-01	1190.4	1215.6	1163.6	1200
2024-11-01	1190.4	1215.6	1163.6	1200
2024-10-01	1190.4	1215.6	1163.6	1200
2024-09-01	1190.4	1215.6	1163.6	1200
2024-08-01	1190.4	1215.6	1163.6	1200
2024-07-01	1190.4	1215.6	1163.6	1200
2024-06-01	1190.4	1215.6	1163.6	1200
2024-08-01	1190.4	1215.6	1163.6	1200
2024-04-01	1190.4	1215.6	1163.6	1200
2024-03-01	1190.4	1215.6	1163.6	1200
2024-02-01	1190.4	1215.6	1163.6	1200
2024-01-01	1190.4	1215.6	1163.6	1200
2023-12-01	1190.4	1215.6	1163.6	1200
2023-11-01	1190.4	1215.6	1163.6	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	West Coast Schools Prestige 2020 (U9 Girls)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis
2	Onder Weskus Prestige 2020 (U9 Girls)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Onder Weskus Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-03-07	rnd 2	type Rapid	result 1
		Opponent Burger, M (Mari)				Opponent Groenewaldt, K (Katja)

#	Games	Start				End
1	4	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Burger, M (Mari)				Opponent Van Deventer, P (Pieter-Nel)

#	Games	Start				End
1	2	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 1	type Rapid	result 0.5	date 2020-03-07	rnd 2	type Rapid	result 1
		Opponent Esterhuizen, A (Antru)				Opponent Groenewaldt, K (Katja)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 2	type Rapid	result 1	date 2020-03-07	rnd 2	type Rapid	result 1
		Opponent Groenewaldt, K (Katja)				Opponent Groenewaldt, K (Katja)
2	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 6	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Van Deventer, P (Pieter-Nel)				Opponent Van Deventer, P (Pieter-Nel)
3	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Burger, M (Mari)				Opponent Burger, M (Mari)

#	Games	Start				End
1	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 6	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Van Deventer, P (Pieter-Nel)				Opponent Van Deventer, P (Pieter-Nel)
2	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Burger, M (Mari)				Opponent Burger, M (Mari)

#	Games	Start				End
1	1	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 2	type Rapid	result 1	date 2020-03-07	rnd 2	type Rapid	result 1
		Opponent Groenewaldt, K (Katja)				Opponent Groenewaldt, K (Katja)

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	Esterhuizen ,A (Antru)	2	1	0	1	0.5	0	1	0.5	0	0	0	0
1	Esterhuizen ,A (Antru)	2	1215.8	1215.8	1	1207.2	1215.8	1	1219.6	1215.8	0	0	0
2	Lewaks ,A (Andrea)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Lewaks ,A (Andrea)	2	1190.7	765.7	1	1080.7	765.7	1	1316.8	765.7	0	0	0
3	Esterhuizen ,A (Anlo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Esterhuizen ,A (Anlo)	1	1167.1	1167.1	1	1183.6	1167.1	0	0	0	0	0	0
4	Van Deventer ,P (Pieter-Nel)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Deventer ,P (Pieter-Nel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Burger ,M (Mari)	1	1	425	1	1	425	0	0	0	0	0	0
5	Burger ,M (Mari)	1	1175.4	1600.4	1	1205.6	1600.4	0	0	0	0	0	0
6	Groenewaldt ,K (Katja)	1	1	425	0	0	0	1	1	425	0	0	0
6	Groenewaldt ,K (Katja)	1	1155.8	1580.8	0	0	0	1	1183.6	1580.8	0	0	0
7	Joseph ,C (Chesnay)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Joseph ,C (Chesnay)	1	1186.1	761.1	0	0	0	1	1200	761.1	0	0	0
8	Adams ,C (Chloe)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Adams ,C (Chloe)	1	1223.6	798.6	0	0	0	1	1200	798.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

De Witt, S (Somari)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms