Chess South Africa Ratings Database

PLAYER PAGE

Personal

Viljoen, C (Colton)

Chess SA id

1160152449

FIDE id

Date of birth

2016-02-05 (U10)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-30

Personal details last changed

1900-01-01

Junior GPX Games

61.2

Junior GPX Points

1312.2

Item	Main	Standard	Rapid	Blitz
Rating	1532	1432.8	1327.1	1200
Raw rating	1441.9	1422.3	1327.1	1200
Weighted rating	1225.6	1211.5	1225	1200
Weighted performance	1532	1432.8	0	0
Floor	941.9	922.3	827.1	700
K-factor	32	32	36	36
Min/Max rating change allowed	117.5	120.8	138.4	165.8
Highest rating	1532 2025-11-01	1449 2025-09-30	1327.1 2025-11-01	1200 2018-10-01
Highest raw rating	1441.9 2025-11-01	1422.3 2025-09-30	1327.1 2025-11-01	1200 2024-03-01
Highest weighted rating	1230.8 2018-10-01	1224 2018-10-01	1225 2025-11-01	1200 2018-10-01
Highest weighted performance	1532 2025-11-01	1449 2025-09-30	1279.9 2024-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-9.1	-8.6	0	0
New rating	1522.9	1424.3	1327.1	1200
Analysis
Rating	1532	1432.8	1327.1	1200
Raw rating	1441.9	1422.3	1327.1	1200
Weighted rating	1225.6	1211.5	1225
Weighted performance	1532	1432.8	0
K-factor	32	32	36	36
Floor	941.9	922.3	827.1	700
Max/Min rating change allowed	117.5	120.8	138.4	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	1441.9	1422.3	1327.1	1200
New weighted rating	1247.1	1232.6	1233.8	1200
New weighted performance	1522.9	1424.3	0	0
Temp new rating	1522.9	1424.3	1327.1	1200
Temp new rating +/-	-9.1	-8.6	0	0
Final new rating +/-	-9.1	-8.6	0	0
New rating	1522.9	1424.3	1327.1	1200
New K-factor	32	32	36	36
New floor	941.9	922.3	827.1	700

Item	Main	Standard	Rapid
	0	0	0
	69	59	10
	36	30	6
	31	31	0
	0	0	0
	0	0	0
History	136	120	16

Games since
	Main 105	Standard 89		Rapid 16		Blitz 0
Gender	Male
Age group	U10
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1043		118		42
Male	913		105		36
U10	51		8		4
U10 Male	44		6		3
Standard
	RSA		Province		Region
Overall	1755		224		74
Male	1452		189		62
U10	107		15		6
U10 Male	93		12		5
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-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	69	38	55.07	43.1	1329.8	1372.9
Standard	59	30	50.85	7.2	1326.7	1333.9
Rapid	10	8	80	255	1348.2	1603.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	136	61	44.85	-43.8	1275.8	1232.1
Standard	120	49.5	41.25	-74.4	1270.7	1196.4
Rapid	16	11.5	71.88	185.9	1313.8	1499.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1441.9	1422.3	1327.1	1200
2025-09-30	1424.9	1422.3	1218	1200
2025-09-01	1408.7	1405.6	1218	1200
2025-08-01	1406.9	1402.9	1218	1200
2025-07-01	1217.9	1209.2	1218	1200
2025-06-01	1230.8	1224	1218	1200
2025-05-01	1176.7	1171.5	1218	1200
2025-04-01	1168.6	1163.9	1218	1200
2025-03-01	1131.4	1113.7	1218	1200
2025-02-01	1104	1083.5	1218	1200
2025-01-01	1095.1	1064	1218	1200
2024-12-01	1095.1	1064	1218	1200
2024-11-01	1095.1	1064	1218	1200
2024-10-01	1095.1	1064	1218	1200
2024-09-01	1143.4	1114.4	1218	1200
2024-08-01	1143.4	1114.4	1218	1200
2024-07-01	1143.4	1114.4	1218	1200
2024-09-01	1115.4	1114.4	1200	1200
2024-05-01	1125.4	1128.8	1200	1200
2024-04-01	1070.3	1060	1200	1200
2024-03-01	1070.3	1060	1200	1200
2024-02-01	1081.3	1069.6	1200	1200
2024-01-01	1081.3	1069.6	1200	1200
2023-12-01	1081.3	1069.6	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	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	1	Yes	Analysis
2	Fide in the Bay 2025 (U12)	2025-10-04	2025-10-04	Rapid	Nelson Mandela Bay (ENM)	7	7	7	Yes	Analysis
3	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
4	FIDE in the Bay 2025 (U12)	2025-08-30	2025-08-30	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
5	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4	Yes	Analysis
6	Eastern Cape Inter-Regional Team Chess Championship 2025 (U12)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	4	2.5	Yes	Analysis
7	Fide in the Bay 2025 (B)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
8	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
9	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
10	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
11	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
12	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
13	NMBCH Trial 1 2025 (U10)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	1	Yes	Analysis
2	Fide in the Bay 2025 (U12)	2025-10-04	2025-10-04	Rapid	Nelson Mandela Bay (ENM)	7	7	7	Yes	Analysis
3	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
4	FIDE in the Bay 2025 (U12)	2025-08-30	2025-08-30	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
5	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4	Yes	Analysis
6	Eastern Cape Inter-Regional Team Chess Championship 2025 (U12)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	4	2.5	Yes	Analysis
7	Fide in the Bay 2025 (B)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
8	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
9	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
10	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
11	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
12	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
13	NMBCH Trial 1 2025 (U10)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	5	2.5	Yes	Analysis
14	NMBCU Closed 2024 (U10)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis
15	NMBCU Trials 4 2024 (U10)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
16	Willow Academy 2024 (C)	2024-06-22	2024-06-22	Rapid	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
17	NMBCU Trial 3 2024 (U10)	2024-05-10	2024-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
18	NMBCU Trials 2 2024 (U10)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
19	NMBCU Trials 1 2024 (U10)	2024-02-16	2024-02-17	Standard	Nelson Mandela Bay (ENM)	6	6	1.5	Yes	Analysis
20	Eastern Cape Provincial Individual Championship 2023 (U8 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	6	2.5	Yes	Analysis
21	Eastern Cape Chess Team Championship 2023 (U10)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	0	Yes	Analysis
22	NMBCU Closed 2023 (U8)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
23	NMBCU Trial 4 2023 (U8)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
24	EP Trials 3 2023 (U8)	2023-05-06	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
25	NMB 2nd Trials 2023 (U8)	2023-03-25	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Fide in the Bay 2025				Tournament PECC - Rapid 2025
		date 2025-10-04	rnd 1	type Rapid	result 1	date 2025-10-23	rnd 1	type Rapid	result 1
		Opponent Lefete, K (Katlego)				Opponent Andrews, E (Elijah Ricardo)
2	5	Tournament NMBCH Trial 1 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Borriero, L (Luca)				Opponent Kapp, A (Amelie)
3	3	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Moore, R (Righard)				Opponent Makgaila, M (Moagi)

#	Games	Start				End
1	5	Tournament NMBCH Trial 1 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Borriero, L (Luca)				Opponent Kapp, A (Amelie)
2	3	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Moore, R (Righard)				Opponent Makgaila, M (Moagi)
3	3	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament FIDE in the Bay 2025
		date 2025-07-12	rnd 6	type Standard	result 1	date 2025-08-30	rnd 2	type Standard	result 1
		Opponent Ozah, C (Chinedu)				Opponent Sternberg, N (Nicolas)

#	Games	Start				End
1	3	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 1	type Rapid	result 0.5	date 2024-06-22	rnd 3	type Rapid	result 1
		Opponent Arries, T (Tristan)				Opponent Abrahams, L (Levi)
2	1	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 6	type Rapid	result 1	date 2024-06-22	rnd 6	type Rapid	result 1
		Opponent Shaw, J (Jonathan)				Opponent Shaw, J (Jonathan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Moore, R (Righard)				Opponent Makgaila, M (Moagi)
2	3	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament FIDE in the Bay 2025
		date 2025-07-12	rnd 6	type Standard	result 1	date 2025-08-30	rnd 2	type Standard	result 1
		Opponent Ozah, C (Chinedu)				Opponent Sternberg, N (Nicolas)
3	3	Tournament NMBCU Open 2025				Tournament NMBCU Closed 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-13	rnd 1	type Standard	result 1
		Opponent Dikana, I (Iminathi)				Opponent Borriero, L (Luca)

#	Games	Start				End
1	3	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Moore, R (Righard)				Opponent Makgaila, M (Moagi)
2	3	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament FIDE in the Bay 2025
		date 2025-07-12	rnd 6	type Standard	result 1	date 2025-08-30	rnd 2	type Standard	result 1
		Opponent Ozah, C (Chinedu)				Opponent Sternberg, N (Nicolas)
3	3	Tournament NMBCU Open 2025				Tournament NMBCU Closed 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-13	rnd 1	type Standard	result 1
		Opponent Dikana, I (Iminathi)				Opponent Borriero, L (Luca)

#	Games	Start				End
1	2	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 2	type Rapid	result 1	date 2024-06-22	rnd 3	type Rapid	result 1
		Opponent Sana, A (Azakhanye)				Opponent Abrahams, L (Levi)
2	1	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 6	type Rapid	result 1	date 2024-06-22	rnd 6	type Rapid	result 1
		Opponent Shaw, J (Jonathan)				Opponent Shaw, J (Jonathan)

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	Mitchell ,N (Nicholas)	10	3	-170	10	3	-170	0	0	0	0	0	0
1	Mitchell ,N (Nicholas)	10	1190.5	1020.5	10	1179.3	1020.5	0	0	0	0	0	0
2	Kapp ,A (Amelie)	10	2.5	-212.5	9	1.5	-283.3	1	1	425	0	0	0
2	Kapp ,A (Amelie)	10	1276.5	1064	9	1239.7	993.2	1	1195.4	1701.5	0	0	0
3	Kritzinger ,A (Adrian)	7	1	-303.6	7	1	-303.6	0	0	0	0	0	0
3	Kritzinger ,A (Adrian)	7	1296.4	992.9	7	1298.1	992.9	0	0	0	0	0	0
4	Celliers ,M (Morgan)	6	0	-425	6	0	-425	0	0	0	0	0	0
4	Celliers ,M (Morgan)	6	1333.7	908.7	6	1311.6	908.7	0	0	0	0	0	0
5	Abrahams ,L (Levi)	6	4	141.7	4	2	0	2	2	425	0	0	0
5	Abrahams ,L (Levi)	6	1254.4	1396.1	4	1233.9	1254.4	2	1200	1679.4	0	0	0
6	Verwey ,M (Malan)	5	0	-425	5	0	-425	0	0	0	0	0	0
6	Verwey ,M (Malan)	5	1362.4	937.4	5	1371	937.4	0	0	0	0	0	0
7	Coltman ,A (Ariana)	5	2	-85	5	2	-85	0	0	0	0	0	0
7	Coltman ,A (Ariana)	5	1101.3	1016.3	5	1089.7	1016.3	0	0	0	0	0	0
8	John ,Z (Zayden)	5	2.5	0	4	1.5	-106.2	1	1	425	0	0	0
8	John ,Z (Zayden)	5	1353.4	1353.4	4	1304.2	1247.2	1	1200	1778.4	0	0	0
9	Goosen ,B (Blake)	4	4	425	4	4	425	0	0	0	0	0	0
9	Goosen ,B (Blake)	4	1255.1	1680.1	4	1215.9	1680.1	0	0	0	0	0	0
10	Armstrong ,K (Kristin)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
10	Armstrong ,K (Kristin)	4	1233.2	1552	4	1227.2	1552	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Viljoen, C (Colton)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms