Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Colton Viljoen

1160152449
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1587.5
K-factor 28
Floor 1107.2
Highest 1607.2 (2026-06-01)
Min/Max +/- allowed 93
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1524.6
Final +/- 0
New Rating
()
Rating 1587.5
K-factor 28
Floor 1107.2
Highest 1607.2 (2026-06-01)
Min/Max +/- allowed 92.8
Standard rating
Rating 1589.7
K-factor 28
Floor 1107.2
Highest 1607.2 (2026-06-01)
Min/Max +/- allowed 92.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1544.5
Final +/- 0
New Rating
()
Rating 1589.7
K-factor 28
Floor 1107.2
Highest 1607.2 (2026-06-01)
Min/Max +/- allowed 92.8
Rapid rating
Rating 1344
K-factor 36
Floor 844
Highest 1344 (2026-08-01)
Min/Max +/- allowed 135.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1344
K-factor 36
Floor 844
Highest 1344 (2026-08-01)
Min/Max +/- allowed 135.1
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 NMB Closed 2026 (U12) Standard 2026-08-15 2026-08-15 Nelson Mandela Bay (ENM) 5 1587.5 5 2.5 1486.6 -15.1 Details
2 Checkmate in Gqeberha 2026 (U12) Rapid 2026-07-11 2026-07-11 Nelson Mandela Bay (ENM) 6 1607.2 6 4 1561.7 -4.6 Details
3 Spartans Bishops 2026 (Bishops) Standard 2026-05-01 2026-05-01 Sarah Baartman (ESB) 5 1527.2 4 2.5 1543.2 1.3 Details
4 Fountains Mall Open 2026 (C) Standard 2026-05-16 2026-05-16 Sarah Baartman (ESB) 6 1527.2 6 6 1844.3 60.4 Details
5 2026 NMBCU Trials 4 (U12) Standard 2026-04-24 2026-04-25 Nelson Mandela Bay (ENM) 6 1537.1 6 3 1401.4 -25.2 Details
6 NMBCU Trials 3 2026 (U12) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1537.1 5 3 1576.2 7.3 Details
7 South African Junior Closed Chess Championship 2026 (U10 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1537.1 9 5 1556.5 8 Details
8 2026 NMBCU Trials 2 (U12) Standard 2026-03-06 2026-03-07 Nelson Mandela Bay (ENM) 6 1487.3 6 5 1670.7 34.6 Details
9 NMBCU Trial 1 2026 (U12) Standard 2026-02-20 2026-02-21 Nelson Mandela Bay (ENM) 5 1548.2 5 3 1355.3 -17.9 Details
10 2025 Mzansi Individual Championships (U10 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1516 6 4.5 1627.1 15.8 Details
11 2025 Mzansi Inter Provincial Team Championships (U10 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1516 6 4 1557.3 5 Details
12 PECC - Rapid 2025 (A) Rapid 2025-10-23 2025-10-30 Nelson Mandela Bay (ENM) 6 1452.5 3 1 1160.2 -7.6 Details
13 Fide in the Bay 2025 (U12) Rapid 2025-10-04 2025-10-04 Nelson Mandela Bay (ENM) 7 1452.5 7 7 1793.1 18.3 Details
14 EC Closed 2025 (U8+U10 Boys) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1421.3 6 4 1495.6 10 Details
15 FIDE in the Bay 2025 (U12) Standard 2025-08-30 2025-08-30 Nelson Mandela Bay (ENM) 5 1406.9 5 3 1410.2 1.2 Details
16 Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Open) Standard 2025-07-11 2025-07-12 Amathole (EAL) 6 1217.9 6 4 1614.7 46.1 Details
17 Eastern Cape Inter-Regional Team Chess Championship 2025 (U12) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1217.9 4 2.5 1487.9 20.9 Details
18 Fide in the Bay 2025 (B) Standard 2025-07-05 2025-07-05 Nelson Mandela Bay (ENM) 5 1217.9 5 2 1226.8 1.5 Details
19 NMBCU Closed 2025 (U10) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1230.8 6 2 1170.5 -7.1 Details
20 NMBCU Open 2025 (C) Standard 2025-05-23 2025-05-24 Nelson Mandela Bay (ENM) 6 1176.7 6 3 1257.2 10.8 Details
21 NMBCU Trial 4 2025 (U10) Standard 2025-05-09 2025-05-10 Nelson Mandela Bay (ENM) 6 1176.7 5 2 1217.5 4.5 Details
22 NMB 3rd Trials 2025 (U10) Standard 2025-04-11 2025-04-12 Nelson Mandela Bay (ENM) 6 1168.6 5 2 1223.7 4.5 Details
23 NMB 2nd Trials 2025 (U10) Standard 2025-03-07 2025-03-08 Nelson Mandela Bay (ENM) 6 1131.4 6 3 1309.5 20.6 Details
24 NMBCH Trial 1 2025 (U10) Standard 2025-02-14 2025-02-15 Nelson Mandela Bay (ENM) 6 1104 5 2.5 1254.5 15.3 Details
25 NMBCU Closed 2024 (U10) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1143.4 6 1 933.2 -24.2 Details
26 NMBCU Trials 4 2024 (U10) Standard 2024-07-12 2024-07-13 Nelson Mandela Bay (ENM) 6 1143.4 6 2 1104.7 -4.6 Details
27 Willow Academy 2024 (C) Rapid 2024-06-22 2024-06-22 Nelson Mandela Bay (ENM) 6 1115.4 6 3.5 1327.3 14.1 Details
28 NMBCU Trial 3 2024 (U10) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1125.4 6 2 1085.2 -5 Details
29 NMBCU Trials 2 2024 (U10) Standard 2024-04-12 2024-04-13 Nelson Mandela Bay (ENM) 6 1070.3 6 3.5 1306.6 27.6 Details
30 NMBCU Trials 1 2024 (U10) Standard 2024-02-16 2024-02-17 Nelson Mandela Bay (ENM) 6 1081.3 6 1.5 1023.8 -5.5 Details
31 Eastern Cape Provincial Individual Championship 2023 (U8 Boys) Standard 2023-10-05 2023-10-05 Nelson Mandela Bay (ENM) 7 1119 6 2.5 1112 -0.9 Details
32 Eastern Cape Chess Team Championship 2023 (U10) Standard 2023-10-07 2023-10-08 Sarah Baartman (ESB) 5 1119 4 0 899.4 -17.7 Details
33 NMBCU Closed 2023 (U8) Standard 2023-08-11 2023-08-12 Nelson Mandela Bay (ENM) 5 1117 5 2 1121.5 1 Details
34 NMBCU Trial 4 2023 (U8) Standard 2023-07-28 2023-07-29 Nelson Mandela Bay (ENM) 5 1103.7 5 2.5 1180.6 6.8 Details
35 EP Trials 3 2023 (U8) Standard 2023-05-06 2023-05-06 Nelson Mandela Bay (ENM) 6 1146.5 5 1 921.1 -21.4 Details
36 NMB 2nd Trials 2023 (U8) Standard 2023-03-25 2023-03-25 Nelson Mandela Bay (ENM) 6 1200 6 1.5 959.6 -26.7 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 52
Wins 31
Draws 6
Losses 15
White 24
Black 28
White wins 18
Black wins 13
Score 34
Percent 65.4
Dp 130.8
AOR 1429.6
Performance 1560.4
Game statistics (History)
Games 200
Wins 96
Draws 15
Losses 89
White 92
Black 108
White wins 51
Black wins 45
Score 103.5
Percent 51.8
Dp 14.9
AOR 1324.2
Performance 1339
Rankings (Main)
National
Overall 1175
Gender 1068
Age group 78
Gender/Age 68
Provincial
Overall 123
Gender 114
Age group 8
Gender/Age 7
Regional
Overall 54
Gender 50
Age group 5
Gender/Age 5
Rankings (Standard)
National
Overall 1056
Gender 957
Age group 75
Gender/Age 66
Provincial
Overall 106
Gender 100
Age group 6
Gender/Age 6
Regional
Overall 46
Gender 42
Age group 5
Gender/Age 5
Rankings (Rapid)
National
Overall 1497
Gender 1259
Age group 196
Gender/Age 159
Provincial
Overall 132
Gender 113
Age group 14
Gender/Age 12
Regional
Overall 37
Gender 35
Age group 5
Gender/Age 5
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 52
Score 34
Percent 65.4
Aor 1429.6
Dp 130.8
Prat 1560.4
Performance (12 months)
Games 74
Score 50.5
Percent 68.2
Aor 1416.3
Dp 155.1
Prat 1571.4
Performance (History)
Games 200
Score 103.5
Percent 51.8
Aor 1324.2
Dp 14.9
Prat 1339
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Kapp, A (Amelie) 11 4 7 NMB 2nd Trials 2023 (U8) NMB Closed 2026 (U12) Details
Overall 2 Mitchell, N (Nicholas) 10 7 3 NMBCU Trial 4 2023 (U8) NMBCU Closed 2025 (U10) Details
Overall 3 John, Z (Zayden) 7 2 5 NMBCH Trial 1 2025 (U10) Checkmate in Gqeberha 2026 (U12) Details
Overall 4 Kritzinger, A (Adrian) 7 3 4 NMB 2nd Trials 2023 (U8) NMBCU Trials 4 2024 (U10) Details
Overall 5 Armstrong, K (Kristin) 7 5 2 NMBCU Trials 1 2024 (U10) NMB Closed 2026 (U12) Details
Standard 1 Kapp, A (Amelie) 10 3 7 NMB 2nd Trials 2023 (U8) NMB Closed 2026 (U12) Details
Standard 2 Mitchell, N (Nicholas) 10 7 3 NMBCU Trial 4 2023 (U8) NMBCU Closed 2025 (U10) Details
Standard 3 Kritzinger, A (Adrian) 7 3 4 NMB 2nd Trials 2023 (U8) NMBCU Trials 4 2024 (U10) Details
Standard 4 Armstrong, K (Kristin) 7 5 2 NMBCU Trials 1 2024 (U10) NMB Closed 2026 (U12) Details
Standard 5 Celliers, M (Morgan) 6 4 2 EP Trials 3 2023 (U8) NMBCU Closed 2025 (U10) Details
Rapid 1 Abrahams, L (Levi) 2 1 1 Willow Academy 2024 (C) Fide in the Bay 2025 (U12) Details
Rapid 2 John, Z (Zayden) 2 0 2 Fide in the Bay 2025 (U12) Checkmate in Gqeberha 2026 (U12) Details
Rapid 3 Hugo, K (Kian) 2 0 2 Willow Academy 2024 (C) Checkmate in Gqeberha 2026 (U12) Details