Chess South Africa Ratings Database

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Personal

Blaauw, C (Charne)

Chess SA id

2150139111

FIDE id

Date of birth

2015-02-02 (U12)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

21.2

Junior GPX Points

951.3

Item	Main	Standard	Rapid	Blitz
Rating	1173.9	1117.8	1266.1	1200
Raw rating	1139.8	1065.8	1266.1	1200
Weighted rating	1173.9	1117.8	1251.2	1200
Weighted performance	1014.6	0	1197.1	0
Floor	718.3	700	811.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.7	200.8	150.9	165.8
Highest rating	1282.5 2022-03-01	1200 2018-10-01	1350 2022-03-01	1200 2018-10-01
Highest raw rating	1218.3 2025-08-01	1200 2019-12-01	1311.8 2025-08-01	1200 2024-03-01
Highest weighted rating	1213 2022-04-01	1200 2018-10-01	1297.5 2024-10-01	1200 2018-10-01
Highest weighted performance	1282.5 2022-03-01	1200 2019-12-01	1350 2022-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.6	-4.7	0	0
New rating	1171.3	1113.1	1266.1	1200
Analysis
Rating	1173.9	1117.8	1266.1	1200
Raw rating	1139.8	1065.8	1266.1	1200
Weighted rating	1173.9	1117.8	1251.2
Weighted performance	1014.6	0	1197.1
K-factor	36	36	36	36
Floor	718.3	700	811.8	700
Max/Min rating change allowed	180.7	200.8	150.9	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	1139.8	1065.8	1266.1	1200
New weighted rating	1171.3	1113.1	1253.1	1200
New weighted performance	1014.3	0	1196.7	0
Temp new rating	1171.3	1113.1	1266.1	1200
Temp new rating +/-	-2.6	-4.7	0	0
Final new rating +/-	-2.6	-4.7	0	0
New rating	1171.3	1113.1	1266.1	1200
New K-factor	36	36	36	36
New floor	718.3	700	811.8	700

Item	Main	Standard	Rapid
	0	0	0
	29	10	19
	31	6	25
	16	6	10
	17	0	17
	0	0	0
History	93	22	71

Games since
	Main 60	Standard 16		Rapid 44		Blitz 0
Gender	Female
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4170		1395		162
Female	1039		424		50
U12	713		259		37
U12 Female	230		95		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	1227		623		144
Female	225		132		38
U12	228		130		32
U12 Female	64		39		14
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	29	11	37.93	-102.6	1237.6	1135
Standard	10	0	0	-425	1275.2	850.2
Rapid	19	11	57.89	67.1	1217.7	1284.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	93	39	41.94	-68.5	1223.2	1154.7
Standard	22	3	13.64	-309.1	1248.1	939
Rapid	71	36	50.7	6	1215.5	1221.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1139.8	1065.8	1266.1	1200
2025-09-01	1196.9	1124.5	1266.1	1200
2025-08-01	1218.3	1124.5	1311.8	1200
2025-07-01	1184.4	1124.5	1264.1	1200
2025-06-01	1184.4	1124.5	1264.1	1200
2025-05-01	1167.7	1124.5	1246.5	1200
2025-04-01	1164.6	1120.5	1246.5	1200
2025-03-01	1182.9	1126.7	1246.5	1200
2025-02-01	1164.8	1126.5	1227	1200
2025-01-01	1133.4	1110.8	1179.4	1200
2024-12-01	1133.4	1110.8	1179.4	1200
2024-11-01	1168.8	1110.8	1242.8	1200
2024-10-01	1168.8	1110.8	1242.8	1200
2024-09-01	1168.8	1110.8	1242.8	1200
2024-08-01	1189.1	1110.8	1297.5	1200
2024-07-01	1189.1	1110.8	1297.5	1200
2024-06-01	1189.1	1110.8	1297.5	1200
2024-08-01	1193.9	1148.8	1244.2	1200
2024-04-01	1193.9	1148.8	1244.2	1200
2024-03-01	1169.3	1148.8	1205.3	1200
2024-02-01	1159.8	1148.8	1205.7	1200
2024-01-01	1159.8	1148.8	1205.7	1200
2023-12-01	1159.8	1148.8	1205.7	1200
2023-11-01	1159.8	1148.8	1205.7	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	Western Cape Schools - Top Schools 2025 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	0	Yes	Analysis
2	Pedro Booyse Top Schools 2025 (U11)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
4	Brenton Cupido West Coast Development Championship 2025 (U11+U13 Girls)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
6	Upper West Coast Presrige 2025 (U11Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	0	Yes	Analysis
2	Pedro Booyse Top Schools 2025 (U11)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
4	Brenton Cupido West Coast Development Championship 2025 (U11+U13 Girls)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
6	Upper West Coast Presrige 2025 (U11Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
7	West Coast Grand Challange League 2024 (PS Champions)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
8	Pedro Booyse Top Schools Championships 2024 (U7+U9)	2024-07-20	2024-07-20	Rapid	West Coast (WCU)	7	6	2	Yes	Analysis
9	Bo-Weskus Skole Skaak Top Skole 2024 (O9+O11)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
10	Western Cape PS Individuals Championship 2024 (U9 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	1.5	Yes	Analysis
11	West Coast Schools Chess Prestige Championships 2024 (U9 Girls)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
12	Bo-Weskus Skole Prestige 2024 (O9 Dogters)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
13	Upper West Coast Top Schools Championship 2023 (U7-U11)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
14	Western Cape PS Individuals 2023 (U9 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
15	Bo-Weskus Skole Prestige 2023 (O9 Dogters)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
16	Bo-Weskus Top Skole 2022 (O7)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	6	6	4.5	Yes	Analysis
17	West Coast Schools Chess Prestige Leg 2 2022 (U7)	2022-04-23	2022-04-23	Rapid	West Coast (WCU)	3	3	1.5	Yes	Analysis
18	West Coast Schools Chess Prestige Leg 1 2022 (U7)	2022-04-09	2022-04-09	Rapid	West Coast (WCU)	5	5	0	Yes	Analysis
19	Bo Weskus Skole Skaak Prestige (O7 Dogters)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	3	3	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-05-24	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 3	type Rapid	result 1
		Opponent Mafunda, E (Elam)				Opponent Milford, M (Mihasquo)
2	4	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-11	rnd 4	type Rapid	result 1
		Opponent Van Rhyn, S (Shani-Lee)				Opponent Van Rhyn, S (Shani-Lee)
3	3	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Scheffers, E (Ealaih)				Opponent Fisher, S (Seanen)

#	Games	Start				End
1	2	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 0.5	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Grundlingh, M (Menke Kari)				Opponent Daniels, S (Skye)
2	2	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 1	type Standard	result 1	date 2023-05-05	rnd 2	type Standard	result 0.5
		Opponent Dan, L (Lauri Url)				Opponent Barnard, M (Marizaan)

#	Games	Start				End
1	4	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-05-24	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 3	type Rapid	result 1
		Opponent Mafunda, E (Elam)				Opponent Milford, M (Mihasquo)
2	4	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-11	rnd 4	type Rapid	result 1
		Opponent Van Rhyn, S (Shani-Lee)				Opponent Van Rhyn, S (Shani-Lee)
3	3	Tournament Upper West Coast Presrige 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-05-24	rnd 1	type Rapid	result 1
		Opponent Hendrikse, A (Alkezia)				Opponent Meyer, C (Chloe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-05-24	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 3	type Rapid	result 1
		Opponent Mafunda, E (Elam)				Opponent Milford, M (Mihasquo)
2	4	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-11	rnd 4	type Rapid	result 1
		Opponent Van Rhyn, S (Shani-Lee)				Opponent Van Rhyn, S (Shani-Lee)
3	3	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Scheffers, E (Ealaih)				Opponent Fisher, S (Seanen)

#	Games	Start				End
1	1	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Daniels, S (Skye)				Opponent Daniels, S (Skye)
2	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 1	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Dan, L (Lauri Url)				Opponent Dan, L (Lauri Url)

#	Games	Start				End
1	4	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-05-24	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 3	type Rapid	result 1
		Opponent Mafunda, E (Elam)				Opponent Milford, M (Mihasquo)
2	4	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-11	rnd 4	type Rapid	result 1
		Opponent Van Rhyn, S (Shani-Lee)				Opponent Van Rhyn, S (Shani-Lee)
3	3	Tournament Upper West Coast Presrige 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-05-24	rnd 1	type Rapid	result 1
		Opponent Hendrikse, A (Alkezia)				Opponent Meyer, C (Chloe)

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	Van Wyk ,F (Faith)	7	1	-303.6	0	0	0	7	1	-303.6	0	0	0
1	Van Wyk ,F (Faith)	7	1339.5	1036	0	0	0	7	1357	1036	0	0	0
2	Avontuur ,A (Al-Meeche)	4	0	-425	2	0	-425	2	0	-425	0	0	0
2	Avontuur ,A (Al-Meeche)	4	1254.4	829.4	2	1222	829.4	2	1306.8	829.4	0	0	0
3	Flink ,J (Jay Ton)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Flink ,J (Jay Ton)	2	1311.8	886.8	1	1213.6	886.8	1	1365.4	886.8	0	0	0
4	Tieties ,L (Lilanie)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Tieties ,L (Lilanie)	2	1384.9	959.9	1	1310.6	959.9	1	1407.3	959.9	0	0	0
5	Avontuur ,E (Ezrah)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Avontuur ,E (Ezrah)	2	1232.8	807.8	1	1240.8	807.8	1	1190.5	807.8	0	0	0
6	Koopman ,P (Percian)	2	1	0	0	0	0	2	1	0	0	0	0
6	Koopman ,P (Percian)	2	1231.1	1231.1	0	0	0	2	1252.8	1231.1	0	0	0
7	Williams ,P (Pj)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
7	Williams ,P (Pj)	2	1200	1412.5	0	0	0	2	1200	1412.5	0	0	0
8	Van Rhyn ,S (Shani-Lee)	2	2	425	0	0	0	2	2	425	0	0	0
8	Van Rhyn ,S (Shani-Lee)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
9	Thomson ,M (Matthew)	2	1	0	0	0	0	2	1	0	0	0	0
9	Thomson ,M (Matthew)	2	1197.8	1197.8	0	0	0	2	1194.8	1197.8	0	0	0
10	Willemse ,A (Avah)	2	1	0	0	0	0	2	1	0	0	0	0
10	Willemse ,A (Avah)	2	1240	1240	0	0	0	2	1298.2	1240	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Blaauw, C (Charne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms