Chess South Africa Ratings Database

PLAYER PAGE

Personal

Viljoen, C (Chene)

Chess SA id

2120139658

FIDE id

Date of birth

2012-02-25 (U14)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1169.3

Item	Main	Standard	Rapid	Blitz
Rating	1328.5	1346.6	1108.6	1200
Raw rating	1283.6	1280.7	1108.6	1200
Weighted rating	1328.5	1346.6	1105.3	1200
Weighted performance	1166.2	1165	0	0
Floor	973.2	968	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	147.2	147.8	188.9	165.8
Highest rating	1489.1 2023-08-01	1483.8 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1473.2 2023-09-01	1468 2023-09-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1473.2 2024-07-01	1468 2024-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1489.1 2023-08-01	1483.8 2023-08-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-4.2	-6.4	0	0
New rating	1324.3	1340.2	1108.6	1200
Analysis
Rating	1328.5	1346.6	1108.6	1200
Raw rating	1283.6	1280.7	1108.6	1200
Weighted rating	1328.5	1346.6	1105.3
Weighted performance	1166.2	1165	0
K-factor	32	32	36	36
Floor	973.2	968	700	700
Max/Min rating change allowed	147.2	147.8	188.9	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	1283.6	1280.7	1108.6	1200
New weighted rating	1324.3	1340.2	1105.8	1200
New weighted performance	1159.2	1158	0	0
Temp new rating	1324.3	1340.2	1108.6	1200
Temp new rating +/-	-4.2	-6.4	0	0
Final new rating +/-	-4.2	-6.4	0	0
New rating	1324.3	1340.2	1108.6	1200
New K-factor	32	32	36	36
New floor	973.2	968	700	700

Item	Main	Standard	Rapid
	0	0	0
	20	20	0
	23	23	0
	40	35	5
	65	65	0
	0	0	0
History	148	143	5

Games since
	Main 43	Standard 43		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2979		1012		110
Female	586		209		21
U14	536		172		26
U14 Female	137		48		7
Standard
	RSA		Province		Region
Overall	2688		979		103
Female	498		181		17
U14	468		162		24
U14 Female	118		43		6
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	20	10	50	0	1253.8	1253.8
Standard	20	10	50	0	1253.8	1253.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	148	71	47.97	-17.2	1222.3	1205.1
Standard	143	71	49.65	-3	1220.5	1217.5
Rapid	5	0	0	-425	1274.7	849.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1283.6	1280.7	1108.6	1200
2025-09-30	1348.2	1364.2	1108.6	1200
2025-09-01	1348.2	1364.2	1108.6	1200
2025-08-01	1344	1362.3	1108.6	1200
2025-07-01	1344	1362.3	1108.6	1200
2025-06-01	1344	1362.3	1108.6	1200
2025-05-01	1337	1361.4	1108.6	1200
2025-04-01	1337	1361.4	1108.6	1200
2025-03-01	1337	1361.4	1108.6	1200
2025-02-01	1332.3	1355.4	1108.6	1200
2025-01-01	1259.2	1267	1099.2	1200
2024-12-01	1307.9	1321.7	1099.2	1200
2024-11-01	1307.9	1321.7	1099.2	1200
2024-10-01	1307.9	1321.7	1099.2	1200
2024-09-01	1307.9	1321.7	1099.2	1200
2024-08-01	1307.9	1321.7	1099.2	1200
2024-07-01	1343	1369.4	1099.2	1200
2024-09-01	1343	1369.4	1099.2	1200
2024-05-01	1343	1369.4	1099.2	1200
2024-04-01	1343	1369.4	1099.2	1200
2024-03-01	1366.9	1415.2	1099.2	1200
2024-02-01	1366.9	1415.2	1099.2	1200
2024-01-01	1402.4	1468	1099.2	1200
2023-12-01	1402.4	1468	1099.2	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	2025 Gauteng Top Schools Teams (U13)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U13)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
5	Gauteng Inter-Region at UJ 2024 (U14 Girls)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	4	0.5	Yes	Analysis
6	Eureka Open 27 July 2024 (F)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
7	Valia's Open 2024 (E)	2024-03-02	2024-03-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
8	Laerskool Midvaal Chess Open Section 2024 (D)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
9	2024 Gauteng Inter-Region Chess Championship (U12A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	Dr Pieter Hangelbroek Rapid 2023 (C)	2023-10-28	2023-10-28	Rapid	Sedibeng (GSV)	5	5	0	Yes	Analysis
11	Gauteng D7 Teams 2023 (U13)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
12	Overvaal Ope Jul 2023 (D)	2023-07-22	2023-07-22	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
13	Eureka Open 2023 (F)	2023-07-29	2023-07-29	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
14	Driehoek Open Chess Tournament 2023 (D)	2023-05-13	2023-05-13	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
15	Gauteng Schools Individual Finals 2023 (U11 Girls)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
16	Heidelberg Open 2023 (C)	2023-02-04	2023-02-04	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
17	Laerkool Midvaal Chess Open 2023 (D)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	Overvaal Open 2022 (D)	2022-08-06	2022-08-06	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
19	Overvaal Open 2022 (D)	2022-08-06	2022-08-06	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
20	D7 Teams 2022 (U9+U11 Mixed)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
21	D7 Teams 2022 (U9+U11 Mixed)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
22	Eureka Open 2022 (G+H)	2022-07-30	2022-07-30	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
23	Gaueng Schools D7 2022 (U11 Girls)	2022-06-04	2022-06-04	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
24	Gaueng Schools D7 2022 (U11 Girls)	2022-06-04	2022-06-04	Standard	Sedibeng (GSV)	5	4	1.5	Yes	Analysis
25	2022 Gauteng Schools Individual Chess Championship (U11 Girls)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
26	LS Vryheidsmonument Chess Open 2022 (D)	2022-05-07	2022-05-07	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
27	LS Vryheidsmonument Chess Open 2022 (D)	2022-05-07	2022-05-07	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
28	Lux Deo NG Kerk Chess Open 2022 (D)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
29	Lux Deo NG Kerk Chess Open 2022 (D)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis
30	Dirk De Koster Chess Open 2022 (D)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
31	Drie Riviere Open 2022 (D)	2022-02-18	2022-02-18	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament Eureka Open 2023				Tournament Gauteng D7 Teams 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Omphile, M (Msikinya)				Opponent Van Der Merwe, M (Monique)
2	7	Tournament LS Vryheidsmonument Chess Open 2022				Tournament LS Vryheidsmonument Chess Open 2022
		date 2022-05-07	rnd 1	type Standard	result 0.5	date 2022-05-07	rnd 4	type Standard	result 0.5
		Opponent Van Der Westhuizen, D (Dawian)				Opponent Mokoena, B (Bontle)
3	6	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Steenkamp, E (Estihan)				Opponent Pretorius, A (Adrume)

#	Games	Start				End
1	9	Tournament Eureka Open 2023				Tournament Gauteng D7 Teams 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Omphile, M (Msikinya)				Opponent Van Der Merwe, M (Monique)
2	6	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Steenkamp, E (Estihan)				Opponent Pretorius, A (Adrume)
3	6	Tournament LS Vryheidsmonument Chess Open 2022				Tournament LS Vryheidsmonument Chess Open 2022
		date 2022-05-07	rnd 2	type Standard	result 0.5	date 2022-05-07	rnd 4	type Standard	result 0.5
		Opponent Van Der Merwe, W (Willem)				Opponent Mokoena, B (Bontle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Eureka Open 2023				Tournament Gauteng D7 Teams 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Omphile, M (Msikinya)				Opponent Van Der Merwe, M (Monique)
2	5	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Steenkamp, E (Estihan)				Opponent Pretorius, A (Adrume)
3	4	Tournament D7 Teams 2022				Tournament Laerkool Midvaal Chess Open 2023
		date 2022-08-13	rnd 5	type Standard	result 1	date 2023-01-28	rnd 2	type Standard	result 1
		Opponent Engelbrecht, M (Marico)				Opponent Geyer, C (Christiaan)

#	Games	Start				End
1	9	Tournament Eureka Open 2023				Tournament Gauteng D7 Teams 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Omphile, M (Msikinya)				Opponent Van Der Merwe, M (Monique)
2	4	Tournament D7 Teams 2022				Tournament Laerkool Midvaal Chess Open 2023
		date 2022-08-13	rnd 5	type Standard	result 1	date 2023-01-28	rnd 2	type Standard	result 1
		Opponent Engelbrecht, M (Marico)				Opponent Geyer, C (Christiaan)
3	4	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 2	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Hutcheson, JL (Justin Luke)				Opponent Pretorius, A (Adrume)

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	Emanuel ,C (Caitlin)	7	2	-182.1	7	2	-182.1	0	0	0	0	0	0
1	Emanuel ,C (Caitlin)	7	1177.4	995.2	7	1153.9	995.2	0	0	0	0	0	0
2	Blignaut ,A (Alma)	5	3.5	170	5	3.5	170	0	0	0	0	0	0
2	Blignaut ,A (Alma)	5	1207.7	1377.7	5	1207.6	1377.7	0	0	0	0	0	0
3	Van Der Merwe ,W (Willem)	5	0.5	-340	5	0.5	-340	0	0	0	0	0	0
3	Van Der Merwe ,W (Willem)	5	1268.2	928.2	5	1271.1	928.2	0	0	0	0	0	0
4	Bezuidenhoudt ,M (Marlo)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Bezuidenhoudt ,M (Marlo)	3	1305.7	1164	3	1296.9	1164	0	0	0	0	0	0
5	Nagel ,D (Divan)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
5	Nagel ,D (Divan)	3	1320.2	1178.5	2	1304.7	1320.2	1	1200	895.2	0	0	0
6	Van Dyk ,TM (Tayla Mila)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Van Dyk ,TM (Tayla Mila)	2	1296.9	871.9	2	1291.6	871.9	0	0	0	0	0	0
7	Tolmay ,W (Walroux)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Tolmay ,W (Walroux)	2	1341.2	916.2	2	1334.8	916.2	0	0	0	0	0	0
8	Mokoena ,B (Bontle)	2	1	0	2	1	0	0	0	0	0	0	0
8	Mokoena ,B (Bontle)	2	1182.1	1182.1	2	1178.4	1182.1	0	0	0	0	0	0
9	Cornelius ,L (Layla)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Cornelius ,L (Layla)	2	1177.1	752.1	2	1171.6	752.1	0	0	0	0	0	0
10	Van Biljon ,J (Jessica)	2	1	0	2	1	0	0	0	0	0	0	0
10	Van Biljon ,J (Jessica)	2	1193.5	1193.5	2	1176.9	1193.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Viljoen, C (Chene)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms