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

PLAYER PAGE

Sebastian Bester

1140134817
Overberg (WOS)
Personal
Main rating
Rating 1334.7
K-factor 36
Floor 874.8
Highest 1380.3 (2022-05-01)
Min/Max +/- allowed 128
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1183.7
Final +/- 0
New Rating
()
Rating 1334.7
K-factor 36
Floor 874.8
Highest 1380.3 (2022-05-01)
Min/Max +/- allowed 128.3
Standard rating
Rating 1267.5
K-factor 36
Floor 829.4
Highest 1375.1 (2022-05-01)
Min/Max +/- allowed 129.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1107.2
Final +/- 0
New Rating
()
Rating 1267.5
K-factor 36
Floor 829.4
Highest 1375.1 (2022-05-01)
Min/Max +/- allowed 129.2
Rapid rating
Rating 1385.9
K-factor 36
Floor 866.4
Highest 1409.7 (2022-05-01)
Min/Max +/- allowed 123
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1206.4
Final +/- 0
New Rating
()
Rating 1385.9
K-factor 36
Floor 866.4
Highest 1409.7 (2022-05-01)
Min/Max +/- allowed 123
Blitz rating
Rating 1155.2
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 1155.2
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 Overberg Schools Primary School Closed 2026 (U13 Boys) Standard 2026-03-21 2026-03-21 Overberg (WOS) 5 1342.8 5 2 1216.6 -23.3 Details
2 Overberg Schools Primary School Trials (Region 1) 2026 (U13 Boys) Rapid 2026-02-28 2026-02-28 Overberg 6 1342.8 6 4 1441.7 15.3 Details
3 Western Cape Schools Individual Championship 2025 (U11 Boys) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1366.3 6 2 1238.3 -14.9 Details
4 Overberg Schools - PS Closed 2025 (U11 Boys) Standard 2025-03-08 2025-03-08 Overberg (WOS) 5 1351.9 5 3 1426.9 8 Details
5 Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) Rapid 2025-02-22 2025-02-22 Overberg (WOS) 6 1335.2 6 4 1426.2 7.9 Details
6 Overberg Schools & Federation Open 2025 (U11) Rapid 2025-02-01 2025-02-01 Overberg (WOS) 6 1335.2 6 4 1350.7 1.5 Details
7 Western Cape PS Individuals Championship 2024 (U11 Boys) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1374.8 6 1.5 1164 -24.7 Details
8 Overberg Schools - PS Closed 2024 (U11 Boys) Standard 2024-03-16 2024-03-16 Overberg (WOS) 5 1327.5 5 4 1487.5 16.4 Details
9 Overberg Schools - PS Trials Region 3 2024 (U11 Boys) Rapid 2024-03-02 2024-03-02 Overberg (WOS) 5 1327.5 5 4 1470.5 9.9 Details
10 2023 Western Cape Rural Cup (U12) Standard 2023-12-09 2023-12-10 Cape Winelands (WCW) 5 1346.9 4 1 1208.2 -11 Details
11 Overberg Top Schools 2023 (U7+U9) Standard 2023-08-05 2023-08-05 Overberg (WOS) 5 1311.3 5 4 1519.6 19.8 Details
12 Western Cape PS Individuals 2023 (U9 Boys) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1344.5 6 2.5 1185.8 -18.4 Details
13 Overberg School Chess Closed Tournament 2023 (U9 Boys) Standard 2023-03-25 2023-03-25 Overberg (WOS) 5 1315.8 5 4 1465.8 14.1 Details
14 Overberg Primary School Trials (Region 2) Rapid 2023-02-24 2023-03-10 Overberg (WOS) 6 1315.8 6 4 1344.1 2 Details
15 Overberg Schools Open Tournament 2023 (U10) Rapid 2023-02-11 2023-02-11 Overberg (WOS) 5 1300.4 5 4 1446.4 8.6 Details
16 WCCA Rural Cup 2022 (U10) Standard 2022-08-13 2022-08-14 Overberg (WOS) 5 1320.4 4 1 1176.3 -11.3 Details
17 WCCA Rural Cup Blitz 2022 Blitz 2022-07-12 2022-07-12 Overberg (WOS) 5 1327.8 2 0 840.8 -4.1 Details
18 The Hermanus Open 2022 (U10) Blitz 2022-05-14 2022-05-14 Overberg (WOS) 6 1227.9 6 5 1533.3 12 Details
19 Western Cape Schools 2022 (U9 Boys) Standard 2022-05-28 2022-05-29 Cape Winelands (WCW) 6 1227.9 6 4 1474.5 29.5 Details
20 OCF Open 2022 (U10) Rapid 2022-04-09 2022-04-09 Overberg (WOS) 5 1203.5 5 3.5 1404.5 13.8 Details
21 Overberg Primary Schools Closed 2022 (U9 Boys) Standard 2022-03-12 2022-03-12 Overberg (WOS) 5 1201.4 5 2.5 1204.6 1 Details
22 Overberg Schools Trials 2021 (U9) Rapid 2021-09-18 2021-09-18 Overberg (WOS) 5 1200 5 2.5 1218.2 0.7 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 11
Wins 6
Draws 0
Losses 5
White 6
Black 5
White wins 4
Black wins 2
Score 6
Percent 54.5
Dp 38.6
AOR 1300.7
Performance 1339.4
Game statistics (History)
Games 114
Wins 63
Draws 7
Losses 44
White 59
Black 55
White wins 33
Black wins 30
Score 66.5
Percent 58.3
Dp 70.8
AOR 1275.4
Performance 1346.3
Rankings (Main)
National
Overall 5127
Gender 4252
Age group 736
Gender/Age 537
Provincial
Overall 1543
Gender 1210
Age group 246
Gender/Age 162
Regional
Overall 98
Gender 69
Age group 23
Gender/Age 17
Rankings (Standard)
National
Overall 6623
Gender 5295
Age group 1092
Gender/Age 783
Provincial
Overall 1878
Gender 1413
Age group 320
Gender/Age 201
Regional
Overall 115
Gender 73
Age group 29
Gender/Age 21
Rankings (Rapid)
National
Overall 1098
Gender 940
Age group 190
Gender/Age 141
Provincial
Overall 497
Gender 417
Age group 86
Gender/Age 62
Regional
Overall 44
Gender 33
Age group 11
Gender/Age 8
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 11
Score 6
Percent 54.5
Aor 1300.7
Dp 38.6
Prat 1339.4
Performance (12 months)
Games 11
Score 6
Percent 54.5
Aor 1300.7
Dp 38.6
Prat 1339.4
Performance (History)
Games 114
Score 66.5
Percent 58.3
Aor 1275.4
Dp 70.8
Prat 1346.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Badenhorst, M (Marinus) 6 4 2 Overberg School Chess Closed Tournament 2023 (U9 Boys) Overberg Schools Primary School Trials (Region 1) 2026 (U13 Boys) Details
Overall 2 Judge-Campbell, J (Jackson) 4 3 1 Overberg Primary Schools Closed 2022 (U9 Boys) The Hermanus Open 2022 (U10) Details
Overall 3 Coetzer, H (Hanro) 4 0 4 Overberg Primary School Trials (Region 2) Overberg Schools Primary School Closed 2026 (U13 Boys) Details
Overall 4 Nel, K (Kuhle) 3 1 2 Overberg Primary School Trials (Region 2) Overberg Schools & Federation Open 2025 (U11) Details
Overall 5 Harman, C (Connor) 3 2 1 Overberg Schools Trials 2021 (U9) Overberg Schools Open Tournament 2023 (U10) Details
Standard 1 Badenhorst, M (Marinus) 5 4 1 Overberg School Chess Closed Tournament 2023 (U9 Boys) Overberg Schools - PS Closed 2025 (U11 Boys) Details
Standard 2 Starke, J (Joshua) 2 0 2 Western Cape Schools Individual Championship 2025 (U11 Boys) Overberg Schools Primary School Closed 2026 (U13 Boys) Details
Standard 3 Van Eeden, C (Christian) 2 0 2 Overberg School Chess Closed Tournament 2023 (U9 Boys) Western Cape PS Individuals 2023 (U9 Boys) Details
Standard 4 Coetzer, H (Hanro) 2 0 2 Overberg Schools - PS Closed 2025 (U11 Boys) Overberg Schools Primary School Closed 2026 (U13 Boys) Details
Standard 5 Zimbler, A (Alexander) 2 1 1 Overberg Primary Schools Closed 2022 (U9 Boys) Overberg School Chess Closed Tournament 2023 (U9 Boys) Details
Rapid 1 Harman, C (Connor) 3 2 1 Overberg Schools Trials 2021 (U9) Overberg Schools Open Tournament 2023 (U10) Details
Rapid 2 Beyers, R (Riekie) 2 0 2 Overberg Schools Trials 2021 (U9) Overberg Schools Open Tournament 2023 (U10) Details
Rapid 3 Otto, T (Taylor) 2 2 0 Overberg Schools Open Tournament 2023 (U10) Overberg Schools - PS Trials Region 3 2024 (U11 Boys) Details
Rapid 4 Sargeant, R (Rome) 2 0 2 Overberg Primary School Trials (Region 2) Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys) Details
Rapid 5 Judge-Campbell, J (Jackson) 2 2 0 OCF Open 2022 (U10) The Hermanus Open 2022 (U10) Details