PLAYER PAGE
Personal

Visser, A (Aaron)
Chess SA id
1130131228FIDE id
?Date of birth
2013-02-27 (U14)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-08-15Personal details last changed
1900-01-01Junior GPX Games
52Junior GPX Points
1331Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1385.9 | 1390.6 | 1200 | 1200 |
Raw rating | 1385.9 | 1390.6 | 1200 | 1200 |
Weighted rating | 1327.5 | 1323.2 | 1200 | 1200 |
Weighted performance | 1326.5 | 1322.7 | 0 | 0 |
Floor | 885.9 | 890.6 | 700 | 700 |
K-factor | 36 | 36 | 36 | 36 |
Min/Max rating change allowed | 127.2 | 126.4 | 165.8 | 165.8 |
Highest rating | 1385.92025-09-01 | 1390.62025-09-01 | 12002018-10-01 | 12002018-10-01 |
Highest raw rating | 1385.92025-09-01 | 1390.62025-09-01 | 12002024-02-01 | 12002024-02-01 |
Highest weighted rating | 1319.72025-09-01 | 1314.52025-09-01 | 12002018-10-01 | 12002018-10-01 |
Highest weighted performance | 1373.72025-03-01 | 1372.12025-01-01 | 12002024-02-01 | 12002024-02-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1385.9 | 1390.6 | 1200 | 1200 |
Analysis | ||||
Rating | 1385.9 | 1390.6 | 1200 | 1200 |
Raw rating | 1385.9 | 1390.6 | 1200 | 1200 |
Weighted rating | 1327.5 | 1323.2 | 1200 | |
Weighted performance | 1326.5 | 1322.7 | 0 | |
K-factor | 36 | 36 | 36 | 36 |
Floor | 885.9 | 890.6 | 700 | 700 |
Max/Min rating change allowed | 127.2 | 126.4 | 165.8 | 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 | 1385.9 | 1390.6 | 1200 | 1200 |
New weighted rating | 1334.6 | 1331.1 | 1200 | 1200 |
New weighted performance | 1326 | 1322.2 | 0 | 0 |
Temp new rating | 1385.9 | 1390.6 | 1200 | 1200 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1385.9 | 1390.6 | 1200 | 1200 |
New K-factor | 36 | 36 | 36 | 36 |
New floor | 885.9 | 890.6 | 700 | 700 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
42 | 42 | 0 | 0 | |
61 | 61 | 0 | 0 | |
36 | 36 | 0 | 0 | |
10 | 10 | 0 | 0 | |
5 | 5 | 0 | 0 | |
History | 158 | 158 | 0 | 0 |
Games since | |||||||||||||||||
Main103 | Standard103 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Male | ||||||||||||||||
Age group | U14 | ||||||||||||||||
Region | Tshwane (GTP) | ||||||||||||||||
Province | Gauteng (GT) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | 2322 | 810 | 289 | ||||||||||||||
Male | 1897 | 658 | 227 | ||||||||||||||
U14 | 382 | 122 | 40 | ||||||||||||||
U14 Male | 282 | 90 | 27 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | 2147 | 804 | 305 | ||||||||||||||
Male | 1756 | 653 | 239 | ||||||||||||||
U14 | 357 | 124 | 45 | ||||||||||||||
U14 Male | 261 | 88 | 29 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 Male | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Male | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 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 | 42 | 22 | 52.38 | 20.2 | 1315.6 | 1335.8 |
Standard | 42 | 22 | 52.38 | 20.2 | 1315.6 | 1335.8 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
History | ||||||
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 158 | 76.5 | 48.42 | -13.4 | 1256.4 | 1243 |
Standard | 158 | 76.5 | 48.42 | -13.4 | 1256.4 | 1243 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1385.9 | 1390.6 | 1200 | 1200 |
2025-09-01 | 1385.9 | 1390.6 | 1200 | 1200 |
2025-08-01 | 1311 | 1304.9 | 1200 | 1200 |
2025-07-01 | 1308.2 | 1301.9 | 1200 | 1200 |
2025-06-01 | 1305.4 | 1298.5 | 1200 | 1200 |
2025-05-01 | 1332.7 | 1322.2 | 1200 | 1200 |
2025-04-01 | 1373.7 | 1374.3 | 1200 | 1200 |
2025-03-01 | 1373.7 | 1374.3 | 1200 | 1200 |
2025-02-01 | 1343.2 | 1331.6 | 1200 | 1200 |
2025-01-01 | 1372.3 | 1365.7 | 1200 | 1200 |
2024-12-01 | 1353.1 | 1347.7 | 1200 | 1200 |
2024-11-01 | 1353.1 | 1347.7 | 1200 | 1200 |
2024-10-01 | 1339.5 | 1335.1 | 1200 | 1200 |
2024-09-01 | 1330.5 | 1328.3 | 1200 | 1200 |
2024-08-01 | 1253.7 | 1249.7 | 1200 | 1200 |
2024-07-01 | 1253.7 | 1249.7 | 1200 | 1200 |
2024-06-01 | 1224.7 | 1215.5 | 1200 | 1200 |
2024-08-01 | 1205.9 | 1190.7 | 1200 | 1200 |
2024-04-01 | 1240.9 | 1231.7 | 1200 | 1200 |
2024-03-01 | 1264.2 | 1259.4 | 1200 | 1200 |
2024-02-01 | 1250.8 | 1244.3 | 1200 | 1200 |
2024-01-01 | 1188.7 | 1178.4 | 1200 | 1200 |
2023-12-01 | 1188.7 | 1178.4 | 1200 | 1200 |
2023-11-01 | 1188.7 | 1178.4 | 1200 | 1200 |
Comming soon.
Tournaments
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
2 | 2025 Etienne Lewis Closed Chess Tournament (U14) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 7 | 4 | Yes | Analysis |
3 | 2025 Tshwane South School District Individual Finals (D4) (U13 Boys) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
4 | 2025 Mid Gauteng Open Chess Tournament (C) | 2025-04-12 | 2025-04-12 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
5 | Constantiapark Open 2025 (C) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
6 | 2025 Blou Bul Open Chess Tournament (D1) | 2025-02-08 | 2025-02-08 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
7 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (D) | 2025-02-01 | 2025-02-02 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
8 | 2025 Tshwane Chess OPEN Registration Tournament (B1) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
2 | 2025 Etienne Lewis Closed Chess Tournament (U14) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 7 | 4 | Yes | Analysis |
3 | 2025 Tshwane South School District Individual Finals (D4) (U13 Boys) | 2025-05-10 | 2025-05-10 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
4 | 2025 Mid Gauteng Open Chess Tournament (C) | 2025-04-12 | 2025-04-12 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
5 | Constantiapark Open 2025 (C) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
6 | 2025 Blou Bul Open Chess Tournament (D1) | 2025-02-08 | 2025-02-08 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
7 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (D) | 2025-02-01 | 2025-02-02 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
8 | 2025 Tshwane Chess OPEN Registration Tournament (B1) | 2025-01-25 | 2025-01-25 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
9 | Gauteng Inter-Region at UJ 2024 (U12 Candidates) | 2024-12-07 | 2024-12-08 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
10 | Gauteng Top Schools 2024 (U11 Open) | 2024-10-04 | 2024-10-04 | Standard | Ekurhuleni (GE) | 5 | 5 | 3 | Yes | Analysis |
11 | 2024 Etienne Lewis (U12) | 2024-08-30 | 2024-09-01 | Standard | Tshwane (GTP) | 7 | 7 | 4 | Yes | Analysis |
12 | D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) | 2024-08-03 | 2024-08-03 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
13 | 2024 Elise Steenkamp Open Chess Tournament (Rooks) | 2024-06-15 | 2024-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
14 | 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) | 2024-06-01 | 2024-06-01 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
15 | 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) | 2024-05-11 | 2024-05-11 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
16 | 2024 KSNG CHess Academy Open Tournament (D2) | 2024-04-06 | 2024-04-06 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
17 | 2024 Chris Greyling Open Chess Tournament (D2) | 2024-03-16 | 2024-03-16 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
18 | 2024 Blou Bul Open Chess Tournament (D) | 2024-02-10 | 2024-02-10 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
19 | 2024 Tshwane Chess OPEN Registration Tournament (D2) | 2024-01-27 | 2024-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
20 | 2024 Gauteng Inter-Region Chess Championship (U12C) | 2024-01-13 | 2024-01-14 | Standard | Tshwane (GTP) | 5 | 4 | 4 | Yes | Analysis |
21 | 2023 Alekhine Open Tournament (D) | 2023-09-09 | 2023-09-09 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
22 | 2023 Etienne Lewis Closed Tournament (U12) | 2023-08-25 | 2023-08-27 | Standard | Tshwane (GTP) | 7 | 7 | 2 | Yes | Analysis |
23 | 2023 Tshwane South School District CLOSED League Championship (U11) | 2023-07-29 | 2023-07-29 | Standard | Tshwane (GTP) | 5 | 4 | 3 | Yes | Analysis |
24 | 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) | 2023-04-22 | 2023-04-22 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
25 | Chris Greyling Open Tournament 2023 (D2) | 2023-03-21 | 2023-03-21 | Standard | Tshwane (GTP) | 5 | 5 | 1 | Yes | Analysis |
26 | Laerskool Constantiapark Open Chess Tournament 2023 (U12) | 2023-02-18 | 2023-02-18 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
27 | 2023 Tshwane Chess Open Registration Tournament (D2) | 2023-01-28 | 2023-01-28 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
28 | Tuks Junior Developmental Tournament 2022 (Red) | 2022-08-06 | 2022-08-06 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
29 | 2022 Gauteng Schools Team Championships (U9 Open) | 2022-08-27 | 2022-08-27 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
30 | 2021 Lubowski Open Tournament (E) | 2021-05-01 | 2021-05-02 | Standard | Tshwane (GTP) | 5 | 5 | 0 | Yes | Analysis |
31 | 2020 Blou Bul (F) | 2020-02-15 | 2020-02-15 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2023 Tshwane South School District CLOSED Individual Championships | Tournament2023 Tshwane South School District CLOSED League Championship | ||||||
date2023-04-22 | rnd2 | typeStandard | result1 | date2023-07-29 | rnd4 | typeStandard | result1 | ||
OpponentSlabbert, M (Marko) | OpponentMoodley, D (Dhiren) | ||||||||
2 | 4 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
date2025-08-10 | rnd7 | typeStandard | result1 | date2025-08-15 | rnd3 | typeStandard | result1 | ||
OpponentSwindell, T (Tatum) | OpponentSimao, A (Arya) | ||||||||
3 | 4 | Tournament2024 Etienne Lewis | TournamentGauteng Top Schools 2024 | ||||||
date2024-09-01 | rnd6 | typeStandard | result1 | date2024-10-04 | rnd2 | typeStandard | result1 | ||
OpponentMokoena, T (Tumelo) | OpponentNgwenya, K (Khanyiseni) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2023 Tshwane South School District CLOSED Individual Championships | Tournament2023 Tshwane South School District CLOSED League Championship | ||||||
date2023-04-22 | rnd2 | typeStandard | result1 | date2023-07-29 | rnd4 | typeStandard | result1 | ||
OpponentSlabbert, M (Marko) | OpponentMoodley, D (Dhiren) | ||||||||
2 | 4 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
date2025-08-10 | rnd7 | typeStandard | result1 | date2025-08-15 | rnd3 | typeStandard | result1 | ||
OpponentSwindell, T (Tatum) | OpponentSimao, A (Arya) | ||||||||
3 | 4 | Tournament2024 Etienne Lewis | TournamentGauteng Top Schools 2024 | ||||||
date2024-09-01 | rnd6 | typeStandard | result1 | date2024-10-04 | rnd2 | typeStandard | result1 | ||
OpponentMokoena, T (Tumelo) | OpponentNgwenya, K (Khanyiseni) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2023 Tshwane South School District CLOSED Individual Championships | Tournament2023 Tshwane South School District CLOSED League Championship | ||||||
date2023-04-22 | rnd2 | typeStandard | result1 | date2023-07-29 | rnd4 | typeStandard | result1 | ||
OpponentSlabbert, M (Marko) | OpponentMoodley, D (Dhiren) | ||||||||
2 | 4 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
date2025-08-10 | rnd7 | typeStandard | result1 | date2025-08-15 | rnd3 | typeStandard | result1 | ||
OpponentSwindell, T (Tatum) | OpponentSimao, A (Arya) | ||||||||
3 | 4 | Tournament2024 Etienne Lewis | TournamentGauteng Top Schools 2024 | ||||||
date2024-09-01 | rnd6 | typeStandard | result1 | date2024-10-04 | rnd2 | typeStandard | result1 | ||
OpponentMokoena, T (Tumelo) | OpponentNgwenya, K (Khanyiseni) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | Tournament2023 Tshwane South School District CLOSED Individual Championships | Tournament2023 Tshwane South School District CLOSED League Championship | ||||||
date2023-04-22 | rnd2 | typeStandard | result1 | date2023-07-29 | rnd4 | typeStandard | result1 | ||
OpponentSlabbert, M (Marko) | OpponentMoodley, D (Dhiren) | ||||||||
2 | 4 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
date2025-08-10 | rnd7 | typeStandard | result1 | date2025-08-15 | rnd3 | typeStandard | result1 | ||
OpponentSwindell, T (Tatum) | OpponentSimao, A (Arya) | ||||||||
3 | 4 | Tournament2024 Etienne Lewis | TournamentGauteng Top Schools 2024 | ||||||
date2024-09-01 | rnd6 | typeStandard | result1 | date2024-10-04 | rnd2 | typeStandard | result1 | ||
OpponentMokoena, T (Tumelo) | OpponentNgwenya, K (Khanyiseni) |
# | Games | Start | End |
---|
# | 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 | ||
Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
1 | Pistorius ,A (Anabelle) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
1250.5 | 1108.8 | 1244.7 | 1108.8 | 0 | 0 | 0 | 0 | ||||||
2 | Gruenenfelder ,L (Laker) | 3 | 0.5 | -283.3 | 3 | 0.5 | -283.3 | 0 | 0 | 0 | 0 | 0 | 0 |
1328.9 | 1045.6 | 1335.8 | 1045.6 | 0 | 0 | 0 | 0 | ||||||
3 | Boshoff ,R (Reinhardt) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1377.7 | 952.7 | 1366.1 | 952.7 | 0 | 0 | 0 | 0 | ||||||
4 | Talma ,C (Christiaan) | 3 | 3 | 425 | 3 | 3 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1190.1 | 1615.1 | 1182.5 | 1615.1 | 0 | 0 | 0 | 0 | ||||||
5 | Geyer ,J (Ju-Han) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1220.9 | 1645.9 | 1218.6 | 1645.9 | 0 | 0 | 0 | 0 | ||||||
6 | Ndebele ,AT (Akhumzi Thandolwenkosi) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
1268.9 | 1056.4 | 1273.1 | 1056.4 | 0 | 0 | 0 | 0 | ||||||
7 | Van Der Walt ,H (Henrico) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1390.5 | 1390.5 | 1388.6 | 1390.5 | 0 | 0 | 0 | 0 | ||||||
8 | Scheepers ,T (Tristian) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1194.2 | 769.2 | 1188 | 769.2 | 0 | 0 | 0 | 0 | ||||||
9 | Slabbert ,M (Marko) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1218.9 | 1218.9 | 1196.7 | 1218.9 | 0 | 0 | 0 | 0 | ||||||
10 | Ribbens ,R (Reuben) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1597.4 | 1172.4 | 1595.6 | 1172.4 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|