PLAYER PAGE

Aidan Visser

1140139663
Sedibeng (GSV)
Personal
Main rating
Rating 1477.8
K-factor 32
Floor 959.2
Highest 1552.3 (2022-04-01)
Min/Max +/- allowed 100
Rating Change
()
Games 1
Score 1
We 0.8
SWe 0.12
Temp +/- 3.9
Penalties 0
Weight perform 1470.9
Final +/- +3.9
New Rating
()
Rating 1481.7
K-factor 32
Floor 959.2
Highest 1552.3 (2022-04-01)
Min/Max +/- allowed 100.4
Standard rating
Rating 1479.5
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 1470.9
Final +/- 0
New Rating
()
Rating 1479.5
K-factor 32
Floor 956.4
Highest 1548.7 (2022-04-01)
Min/Max +/- allowed 100.9
Rapid rating
Rating 1191.2
K-factor 36
Floor 704
Highest 1231.7 (2023-10-01)
Min/Max +/- allowed 158.5
Rating Change
()
Games 1
Score 1
We 0.45
SWe 0.55
Temp +/- 19.7
Penalties 0
Weight perform 0
Final +/- +19.7
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 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
4 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
5 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
6 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
7 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
8 2025 Gauteng Top Schools Teams (U11) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1442.1 5 2 1259 -18.4 Details
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 Fonteine Open 2024 (D) Standard 2024-10-19 2024-10-19 Sedibeng (GSV) 5 1414.2 5 4 1534.4 12.4 Details
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 Midvaal Winter Classic 13 July 2024 (E) Rapid 2024-07-13 2024-07-13 Sedibeng (GSV) 7 1333 7 3 1165.6 -17 Details
30 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
31 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
32 NG Kerk Vanderbijlpark Suid 2024 (D) Standard 2024-02-24 2024-02-24 Sedibeng (GSV) 5 1375.8 5 3 1312.5 -7 Details
33 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
34 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
35 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
36 Fonteine Chess Open 2023 (F) Standard 2023-09-02 2023-09-02 Sedibeng (GSV) 5 1459.2 5 3 1311.5 -13.4 Details
37 Overvaal Ope Jul 2023 (E) Standard 2023-07-22 2023-07-22 Sedibeng (GSV) 5 1395.5 5 5 1645.8 23.9 Details
38 Valia's Chess Tournament 2023 (E) Standard 2023-05-06 2023-05-06 Sedibeng (GSV) 5 1311 5 5 1613.4 28.9 Details
39 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
40 Overvaal Open 2023 (E) Standard 2023-04-15 2023-04-15 Sedibeng (GSV) 5 1282.9 5 4 1431.8 15.3 Details
41 Hoerskool Drie Riviere Open 2023 (E) Standard 2023-03-11 2023-03-11 Sedibeng (GSV) 5 1274.5 5 3 1317 4.8 Details
42 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
43 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
44 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
45 Hoerskool Overvaal 2022 (E) Standard 2022-06-11 2022-06-11 Sedibeng (GSV) 5 1362.8 4 2 1170.7 -14.8 Details
46 LS Vryheidsmonument Chess Open 2022 (E) Standard 2022-05-07 2022-05-07 Sedibeng (GSV) 6 1350 6 5 1408.7 7.2 Details
47 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
48 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
49 Drie Riviere Open 2022 (E) Standard 2022-03-12 2022-03-12 Sedibeng (GSV) 6 1200 6 3.5 1240.3 4.8 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 16
Wins 10
Draws 2
Losses 4
White 9
Black 7
White wins 6
Black wins 4
Score 11
Percent 68.8
Dp 159.4
AOR 1373.9
Performance 1533.2
Game statistics (History)
Games 252
Wins 147
Draws 17
Losses 88
White 131
Black 121
White wins 80
Black wins 67
Score 155.5
Percent 61.7
Dp 99.5
AOR 1282.5
Performance 1382
Rankings (Main)
National
Overall 2277
Gender 1979
Age group 233
Gender/Age 174
Provincial
Overall 784
Gender 677
Age group 77
Gender/Age 59
Regional
Overall 73
Gender 66
Age group 6
Gender/Age 6
Rankings (Standard)
National
Overall 2059
Gender 1769
Age group 219
Gender/Age 163
Provincial
Overall 735
Gender 629
Age group 77
Gender/Age 58
Regional
Overall 70
Gender 64
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 16
Score 11
Percent 68.8
Aor 1373.9
Dp 159.4
Prat 1533.2
Performance (12 months)
Games 56
Score 35
Percent 62.5
Aor 1367.8
Dp 106.2
Prat 1474.1
Performance (History)
Games 252
Score 155.5
Percent 61.7
Aor 1282.5
Dp 99.5
Prat 1382
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 Myburgh, AA (Alex) 5 4 1 Dr Peter Hangelbroek Open 2022 (F) Overvaal Ope Jul 2023 (E) Details
Overall 5 Gouws, PL (Philip) 5 3 2 Valia's Chess Tournament 2023 (E) Laerskool Vaalpark Open 01 March 25 (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 Waldick, F (Frederick) 5 2 3 Drie Riviere Open 2022 (E) Laerkool Midvaal Chess Open 2023 (E) Details
Standard 5 Myburgh, AA (Alex) 5 4 1 Dr Peter Hangelbroek Open 2022 (F) Overvaal Ope Jul 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