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

PLAYER PAGE

Aidan Visser

1140139663
Sedibeng (GSV)
Personal
Main rating
Rating 1492.5
K-factor 32
Floor 959.2
Highest 1552.3 (2022-04-01)
Min/Max +/- allowed 100
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1481.6
Final +/- 0
New Rating
()
Rating 1492.5
K-factor 32
Floor 959.2
Highest 1552.3 (2022-04-01)
Min/Max +/- allowed 100.4
Standard rating
Rating 1492.7
K-factor 32
Floor 956.4
Highest 1548.7 (2022-04-01)
Min/Max +/- allowed 100.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1481.6
Final +/- 0
New Rating
()
Rating 1492.7
K-factor 32
Floor 956.4
Highest 1548.7 (2022-04-01)
Min/Max +/- allowed 100.9
Rapid rating
Rating 1211
K-factor 36
Floor 704
Highest 1231.7 (2023-10-01)
Min/Max +/- allowed 158.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1211
K-factor 36
Floor 704
Highest 1231.7 (2023-10-01)
Min/Max +/- allowed 158.5
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 Kings and Queens Chess Open 2026 (E) Standard 2026-06-13 2026-06-13 Sedibeng (GSV) 5 1477.8 5 4 1549.9 10.5 Details
2 D8 (Sedibeng West) Individuals League 2026 (U13 Boys) Rapid 2026-05-16 2026-05-29 Sedibeng (GSV) 4 1477.8 1 1 1610.1 3.9 Details
3 Fundraiser for Philip and Anika 09 May 2026 (D) Standard 2026-05-09 2026-05-09 Sedibeng (GSV) 5 1475.7 5 3 1495.2 2 Details
4 Chess-in-the-Vaal Open 18 April 2026 (E) Standard 2026-04-18 2026-04-18 Sedibeng (GSV) 5 1460.8 5 3.5 1515.3 7.6 Details
5 Hoerskool Drie Riviere Chess Open 07 March 2026 (D) Standard 2026-03-07 2026-03-07 Sedibeng (GSV) 5 1440.4 5 3.5 1573.9 19.8 Details
6 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1416.7 6 2.5 1351.4 -9.2 Details
7 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1416.7 5 3 1574.4 14.6 Details
8 Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1416.7 5 3 1499.3 10 Details
9 Queen's Gambit Chess Open 29 Nov 2025 (E+F) Standard 2025-11-29 2025-11-29 Sedibeng (GSV) 5 1420.2 4 2 1391.8 -2.2 Details
10 2025 Gauteng Top Schools Teams (U11) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1442.1 5 2 1259 -18.4 Details
11 LS Fonteine Open 18 Oct 2025 (E) Standard 2025-10-18 2025-10-18 Sedibeng (GSV) 5 1442.1 5 3.5 1497.1 4.6 Details
12 GDE (D8) Sedibeng West Schools - Teams 2025 (U9+U11) Standard 2025-08-16 2025-08-16 Sedibeng (GSV) 5 1416.8 5 4.5 1584.3 15.8 Details
13 HS Driehoek Chess Open 2025 (E) Standard 2025-06-14 2025-06-14 Sedibeng (GSV) 5 1397.4 5 3.5 1453.9 5 Details
14 GDE (D8) Sedibeng West Schools Individuals 2025 (U11 Boys) Standard 2025-06-07 2025-06-07 Sedibeng (GSV) 5 1397.4 5 4 1475.8 7.1 Details
15 South African Junior Closed Chess Championships 2025 (U12 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1406.7 9 3.5 1376.1 -5.8 Details
16 Hoerskool Drie Riviere Open 08 March 2025 (E) Standard 2025-03-08 2025-03-08 Sedibeng (GSV) 5 1388.1 5 4 1457.2 7.6 Details
17 Laerskool Vaalpark Open 01 March 25 (E) Standard 2025-03-01 2025-03-01 Sedibeng (GSV) 5 1388.1 5 3 1421.4 4 Details
18 Laer Volkskool Open 15 Feb 2025 (E) Standard 2025-02-15 2025-02-15 Sedibeng (GSV) 5 1371.1 5 3.5 1471.6 10.6 Details
19 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Combined) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1407.5 7 3 1317.9 -15.6 Details
20 Gauteng Inter-Region at UJ 2024 (U12 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1407.5 5 0 959.6 -50.3 Details
21 Queens Gambit Chess Open 2024 (D) Standard 2024-11-23 2024-11-23 Sedibeng (GSV) 5 1426.9 5 3 1305.8 -12.1 Details
22 Fonteine Open 2024 (D) Standard 2024-10-19 2024-10-19 Sedibeng (GSV) 5 1414.2 5 4 1534.4 12.4 Details
23 NWU Vaal Chess Open 12 Oct 2024 (D) Standard 2024-10-12 2024-10-12 Sedibeng (GSV) 5 1414.2 4 2 1163.1 -19.4 Details
24 Gauteng Top Schools 2024 (U11 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1414.2 5 4 1560.2 14.9 Details
25 Kings Gambit Chess Open 14 Sept 2024 (E) Standard 2024-09-14 2024-09-14 Sedibeng (GSV) 5 1353.6 5 4 1504.7 14.1 Details
26 Sedibeng Chess Open 07 Sept 24 (E) Standard 2024-09-07 2024-09-07 Sedibeng (GSV) 5 1353.6 5 3 1444.8 9.6 Details
27 Gauteng Schools Individuals Finals 2024 (U11 Boys) Standard 2024-08-16 2024-08-16 Ekurhuleni (GE) 5 1353.6 5 3 1350.4 -0.8 Details
28 North School Primary Chess Open 2024 (D) Standard 2024-08-31 2024-08-31 Sedibeng (GSV) 5 1353.6 5 2 1252.7 -9.3 Details
29 Sedibeng West District Schools Chess Team's Championships 2024 (U11) Standard 2024-08-12 2024-08-12 Sedibeng (GSV) 5 1310.2 3 3 1652.7 19.4 Details
30 Sedibeng West District Schools Individual Chess Championships 2024 (U11 Boys) Standard 2024-07-27 2024-07-27 Sedibeng (GSV) 5 1333 5 3.5 1366.8 2.7 Details
31 Midvaal Winter Classic 13 July 2024 (E) Rapid 2024-07-13 2024-07-13 Sedibeng (GSV) 7 1333 7 3 1165.6 -17 Details
32 Vaalpark Primary Chess Open 2024 (D) Standard 2024-04-13 2024-04-13 Sedibeng (GSV) 5 1357.2 5 3 1261.6 -8.5 Details
33 HS Drie Riviere Chess Open Section 2024 (D) Standard 2024-03-09 2024-03-09 Sedibeng (GSV) 5 1357.2 5 3 1280.7 -6.6 Details
34 NG Kerk Vanderbijlpark Suid 2024 (D) Standard 2024-02-24 2024-02-24 Sedibeng (GSV) 5 1375.8 5 3 1312.5 -7 Details
35 Laerskool Midvaal Chess Open Section 2024 (D) Standard 2024-02-10 2024-02-10 Sedibeng (GSV) 5 1375.8 5 3 1334.7 -4.7 Details
36 2024 Gauteng Inter-Region Chess Championship (U10A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1433.3 5 0.5 1116.3 -35.8 Details
37 Dr Pieter Hangelbroek Rapid 2023 (D) Rapid 2023-10-28 2023-10-28 Sedibeng (GSV) 5 1437.7 4 2 1387.7 -2.8 Details
38 Fonteine Chess Open 2023 (F) Standard 2023-09-02 2023-09-02 Sedibeng (GSV) 5 1459.2 5 3 1311.5 -13.4 Details
39 Overvaal Ope Jul 2023 (E) Standard 2023-07-22 2023-07-22 Sedibeng (GSV) 5 1395.5 5 5 1645.8 23.9 Details
40 Valia's Chess Tournament 2023 (E) Standard 2023-05-06 2023-05-06 Sedibeng (GSV) 5 1311 5 5 1613.4 28.9 Details
41 Driehoek Open Chess Tournament 2023 (D) Standard 2023-05-13 2023-05-13 Sedibeng (GSV) 5 1311 5 2.5 1280.3 -3.7 Details
42 Overvaal Open 2023 (E) Standard 2023-04-15 2023-04-15 Sedibeng (GSV) 5 1282.9 5 4 1431.8 15.3 Details
43 Hoerskool Drie Riviere Open 2023 (E) Standard 2023-03-11 2023-03-11 Sedibeng (GSV) 5 1274.5 5 3 1317 4.8 Details
44 Laerkool Midvaal Chess Open 2023 (E) Standard 2023-01-28 2023-01-28 Sedibeng (GSV) 5 1238.3 5 4 1451.1 20.2 Details
45 2022 South African Junior Team Chess Championships (U10 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1329.4 6 1 969.6 -50.6 Details
46 Dr Peter Hangelbroek Open 2022 (F) Standard 2022-10-29 2022-10-29 Sedibeng (GSV) 5 1357.8 5 2.5 1201.2 -15.8 Details
47 Hoerskool Overvaal 2022 (E) Standard 2022-06-11 2022-06-11 Sedibeng (GSV) 5 1362.8 4 2 1170.7 -14.8 Details
48 LS Vryheidsmonument Chess Open 2022 (E) Standard 2022-05-07 2022-05-07 Sedibeng (GSV) 6 1350 6 5 1408.7 7.2 Details
49 Lux Deo NG Kerk Chess Open 2022 (E) Standard 2022-04-09 2022-04-09 Sedibeng (GSV) 5 1209.6 4 4 1596.1 30.4 Details
50 Dirk De Koster Chess Open 2022 (E) Standard 2022-04-23 2022-04-23 Ekurhuleni (GE) 6 1209.6 6 6 1614.9 47.8 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 21
Wins 13
Draws 4
Losses 4
White 12
Black 9
White wins 8
Black wins 5
Score 15
Percent 71.4
Dp 182.1
AOR 1355.1
Performance 1537.2
Game statistics (History)
Games 257
Wins 150
Draws 19
Losses 88
White 134
Black 123
White wins 82
Black wins 68
Score 159.5
Percent 62.1
Dp 102.5
AOR 1282.7
Performance 1385.3
Rankings (Main)
National
Overall 2087
Gender 1824
Age group 210
Gender/Age 159
Provincial
Overall 726
Gender 629
Age group 71
Gender/Age 54
Regional
Overall 63
Gender 57
Age group 7
Gender/Age 7
Rankings (Standard)
National
Overall 1896
Gender 1638
Age group 200
Gender/Age 146
Provincial
Overall 682
Gender 590
Age group 68
Gender/Age 51
Regional
Overall 61
Gender 55
Age group 7
Gender/Age 7
Rankings (Rapid)
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
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 21
Score 15
Percent 71.4
Aor 1355.1
Dp 182.1
Prat 1537.2
Performance (12 months)
Games 56
Score 35.5
Percent 63.4
Aor 1368.8
Dp 113.8
Prat 1482.6
Performance (History)
Games 257
Score 159.5
Percent 62.1
Aor 1282.7
Dp 102.5
Prat 1385.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Du Toit, M (Monika) 17 10 7 Dirk De Koster Chess Open 2022 (E) Fundraiser for Philip and Anika 09 May 2026 (D) Details
Overall 2 Emanuel, S (Shiloh) 12 4 8 Drie Riviere Open 2022 (E) LS Fonteine Open 18 Oct 2025 (E) Details
Overall 3 Swarts, C (Ciara) 6 4 2 Laer Volkskool Open 15 Feb 2025 (E) Queen's Gambit Chess Open 29 Nov 2025 (E+F) Details
Overall 4 Gouws, PL (Philip) 5 3 2 Valia's Chess Tournament 2023 (E) Laerskool Vaalpark Open 01 March 25 (E) Details
Overall 5 Waldick, F (Frederick) 5 2 3 Drie Riviere Open 2022 (E) Laerkool Midvaal Chess Open 2023 (E) Details
Standard 1 Du Toit, M (Monika) 16 9 7 Dirk De Koster Chess Open 2022 (E) Fundraiser for Philip and Anika 09 May 2026 (D) Details
Standard 2 Emanuel, S (Shiloh) 10 3 7 Drie Riviere Open 2022 (E) LS Fonteine Open 18 Oct 2025 (E) Details
Standard 3 Swarts, C (Ciara) 6 4 2 Laer Volkskool Open 15 Feb 2025 (E) Queen's Gambit Chess Open 29 Nov 2025 (E+F) Details
Standard 4 Myburgh, AA (Alex) 5 4 1 Dr Peter Hangelbroek Open 2022 (F) Overvaal Ope Jul 2023 (E) Details
Standard 5 Waldick, F (Frederick) 5 2 3 Drie Riviere Open 2022 (E) Laerkool Midvaal Chess Open 2023 (E) Details
Rapid 1 Emanuel, S (Shiloh) 2 1 1 Dr Pieter Hangelbroek Rapid 2023 (D) Midvaal Winter Classic 13 July 2024 (E) Details