PLAYER PAGE

Personal

Botha, OJ (Owen Johan)

Chess SA id

109083901

FIDE id

?

Date of birth

2009-11-05 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2024-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1359.2 1372.3 1041.6 646.8
Raw rating 1359.2 1372.3 1041.6 646.8
Weighted rating 1347.1 1355.2 1020.7 646.8
Weighted performance 1180.6 1189.5 0 0
Floor 913.8 909.8 541.6 500
K-factor 32 32 40 40
Min/Max rating change allowed 132.2 129.7 207.8 364.7
Highest rating 1429.1
2023-01-01
1425.1
2023-01-01
1359.2
2019-05-01
1200
2024-02-01
Highest raw rating 1413.8
2023-02-01
1409.8
2023-02-01
1041.6
2024-11-01
646.8
2024-02-01
Highest weighted rating 1413.8
2023-11-01
1409.8
2023-11-01
1041.6
2024-11-01
646.8
2024-11-01
Highest weighted performance 1429.1
2023-01-01
1425.1
2023-01-01
1359.2
2019-05-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1359.2 1372.3 1041.6 646.8
Analysis
Rating 1359.2 1372.3 1041.6 646.8
Raw rating 1359.2 1372.3 1041.6 646.8
Weighted rating 1347.1 1355.2 1020.7
Weighted performance 1180.6 1189.5 0
K-factor 32 32 40 40
Floor 913.8 909.8 541.6 500
Max/Min rating change allowed 132.2 129.7 207.8 364.7
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 1359.2 1372.3 1041.6 646.8
New weighted rating 1349.1 1358 1023.9 646.8
New weighted performance 1180.1 1189 0 0
Temp new rating 1359.2 1372.3 1041.6 646.8
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1359.2 1372.3 1041.6 646.8
New K-factor 32 32 40 40
New floor 913.8 909.8 541.6 500

Item Main Standard Rapid Blitz
0 0 0 0
0 0 0 0
24 19 5 0
29 24 5 0
66 66 0 0
5 5 0 0
History 294 263 31 0

Games since
Main
28
Standard
23
Rapid
5
Blitz
0
Gender Male
Age group U18
Region Sedibeng (GSV)
Province Gauteng (GT)
Main
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 Male -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 Male -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 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 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
History
Games Score % Dp AvgOpp Performance
Main 204 109 53.43 29.2 1183.5 1212.6
Standard 184 96.5 52.45 20.8 1183.8 1204.6
Rapid 20 12.5 62.5 106.2 1180.6 1286.8
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1359.2 1372.3 1041.6 646.8
2025-09-01 1359.2 1372.3 1041.6 646.8
2025-08-01 1359.2 1372.3 1041.6 646.8
2025-07-01 1359.2 1372.3 1041.6 646.8
2025-06-01 1359.2 1372.3 1041.6 646.8
2025-05-01 1359.2 1372.3 1041.6 646.8
2025-04-01 1359.2 1372.3 1041.6 646.8
2025-03-01 1359.2 1372.3 1041.6 646.8
2025-02-01 1359.2 1372.3 1041.6 646.8
2025-01-01 1359.2 1372.3 1041.6 646.8
2024-12-01 1359.2 1372.3 1041.6 646.8
2024-11-01 1359.2 1372.3 1041.6 646.8
2024-10-01 1367 1372.3 961.2 646.8
2024-09-01 1340.3 1341.6 961.2 646.8
2024-08-01 1286.9 1275.4 961.2 646.8
2024-07-01 1286.9 1275.4 961.2 646.8
2024-06-01 1286.9 1275.4 961.2 646.8
2024-08-01 1286.9 1275.4 961.2 646.8
2024-04-01 1308.4 1301 961.2 646.8
2024-03-01 1308.4 1301 961.2 646.8
2024-02-01 1308.4 1301 961.2 646.8
2024-01-01 1309 1300.4 961.2 646.8
2023-12-01 1309 1300.4 961.2 646.8
2023-11-01 1309 1300.4 961.2 646.8

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Gauteng Top Schools 2024 (U15 Open) 2024-10-05 2024-10-05 Rapid Ekurhuleni (GE) 5 5 3 Yes Analysis
2 Gauteng Schools Individuals Finals 2024 (U15 Boys) 2024-08-17 2024-08-17 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
3 Sedibeng East D7 Teams Trials 2024 (U15) 2024-08-03 2024-08-03 Standard Sedibeng (GSV) 5 5 5 Yes Analysis
4 Hoerskool Overvaal Chess Open 2024 (B) 2024-04-20 2024-04-20 Standard Sedibeng (GSV) 5 4 1 Yes Analysis
5 2024 Gauteng Inter-Region Chess Championship (U16A) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
6 Queens Gambit Chess Open 2023 (A) 2023-11-25 2023-11-25 Standard Sedibeng (GSV) 5 4 1 Yes Analysis
7 Overvaal Ope Jul 2023 (B) 2023-07-22 2023-07-22 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
8 Eureka Open 2023 (C) 2023-07-29 2023-07-29 Standard Sedibeng (GSV) 5 5 1 Yes Analysis
9 VaalPark Primary Open Chess 2023 (B) 2023-06-16 2023-06-16 Rapid Sedibeng (GSV) 5 5 2.5 Yes Analysis
10 Chess Power House Feb RR 2023 (Junior) 2023-02-18 2023-02-19 Standard Johannesburg Metro (GJM) 5 5 1 Yes Analysis
11 Laerkool Midvaal Chess Open 2023 (C) 2023-01-28 2023-01-28 Standard Sedibeng (GSV) 5 5 4.5 Yes Analysis
12 2022 South African Junior Team Chess Championships (U14 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 6 3 Yes Analysis
13 Dr Peter Hangelbroek Open 2022 (C+D) 2022-10-29 2022-10-29 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
14 Overvaal Open 2022 (C) 2022-08-06 2022-08-06 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
15 Eureka Open 2022 (C) 2022-07-30 2022-07-30 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
16 Hoerskool Overvaal 2022 (C) 2022-06-11 2022-06-11 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
17 LS Vryheidsmonument Chess Open 2022 (C) 2022-05-07 2022-05-07 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
18 Lux Deo NG Kerk Chess Open 2022 (C) 2022-04-09 2022-04-09 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
19 Drie Riviere Open 2022 (C) 2022-03-12 2022-03-12 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
20 Carel`s Chess Open 2022 (C) 2022-03-05 2022-03-05 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
21 2022 Gauteng Interregion (U14 Open) 2022-02-26 2022-02-26 Standard Tshwane (GTP) 5 5 2 Yes Analysis
22 Heidelberg Open 2022 (C) 2022-02-05 2022-02-05 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
23 Midvaal Ope 2022 (C) 2022-01-29 2022-01-29 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
24 Ekurhuleni Chess Open 2022 (B) 2022-01-08 2022-01-09 Standard Ekurhuleni (GE) 5 5 1 Yes Analysis
25 Ekurhuleni Trials (3) 2021-11-06 2021-11-06 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
26 Carel`s Open 2020 (C) 2020-02-29 2020-02-29 Standard Sedibeng (GSV) 5 4 1 Yes Analysis
27 2019 Super 12 Laerskole (Juniors) 2019-05-04 2019-05-04 Rapid Tshwane (GTP) 5 5 5 Yes Analysis
28 2018 Wild Card Chess Championships (U10 Open) 2018-12-21 2018-12-24 Standard 4 Knights (4K) 7 7 3.5 Yes Analysis
29 South African Junior Team Championships 2018 (U10A) 2018-12-16 2018-12-20 Standard 4 Knights (4K) 7 7 0 Yes Analysis
30 Inter Region GE vs JHB Metro 2018 (U10B) 2018-10-06 2018-10-06 Standard Ekurhuleni (GE) 5 5 0.5 Yes Analysis
31 Ekurhuleni Grand Prix Open 2018 (D) 2018-09-15 2018-09-15 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
32 Ekurhuleni Open 2018 (D) 2018-08-18 2018-08-18 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
33 Ekurhuleni Trials 3 2018 (U10) 2018-06-16 2018-06-16 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
34 2018 Super 12 (Junior) 2018-05-05 2018-05-05 Rapid Tshwane (GTP) 5 5 2 Yes Analysis
35 Ekurhuleni Trials 2 2018 (U10) 2018-04-21 2018-04-21 Standard Ekurhuleni (GE) 5 5 2.5 Yes Analysis
36 Carels Open 2018 (D) 2018-03-03 2018-03-03 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
37 Human Rights Day Open 2018 (D) 2018-03-21 2018-03-21 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
38 Ekurhuleni Trials 1 2018 (U10) 2018-03-10 2018-03-10 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
39 Johan Jurgens Open 2018 (D) 2018-01-27 2018-01-27 Standard Ekurhuleni (GE) 6 5 3 Yes Analysis
40 South African Junior Team Championships 2017 (U10A) 2018-01-04 2018-01-08 Standard 4 Knights (4K) 7 7 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 7 Tournament
Sedibeng East D7 Teams Trials 2024
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-17
rnd
2
type
Standard
result
1
Opponent
Kobela, T (Thato)
Opponent
Bath, X (Xavier)
2 6 Tournament
2018 Wild Card Chess Championships
Tournament
2019 Super 12 Laerskole
date
2018-12-24
rnd
7
type
Standard
result
1
date
2019-05-04
rnd
5
type
Rapid
result
1
Opponent
Mclaughlin, M (Mathew)
Opponent
Van Der Walt, J (Jason)
3 5 Tournament
Laerkool Midvaal Chess Open 2023
Tournament
Laerkool Midvaal Chess Open 2023
date
2023-01-28
rnd
1
type
Standard
result
1
date
2023-01-28
rnd
5
type
Standard
result
0.5
Opponent
Paulse, L (Leilani)
Opponent
Tolmay, L (Llewellyn)
# Games Start End
1 7 Tournament
Sedibeng East D7 Teams Trials 2024
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-17
rnd
2
type
Standard
result
1
Opponent
Kobela, T (Thato)
Opponent
Bath, X (Xavier)
2 5 Tournament
Laerkool Midvaal Chess Open 2023
Tournament
Laerkool Midvaal Chess Open 2023
date
2023-01-28
rnd
1
type
Standard
result
1
date
2023-01-28
rnd
5
type
Standard
result
0.5
Opponent
Paulse, L (Leilani)
Opponent
Tolmay, L (Llewellyn)
3 5 Tournament
Ekurhuleni Trials 3 2018
Tournament
Ekurhuleni Open 2018
date
2018-06-16
rnd
5
type
Standard
result
1
date
2018-08-18
rnd
4
type
Standard
result
1
Opponent
Gibbens, A (Allan)
Opponent
Cass, M (Matthew)
# Games Start End
1 8 Tournament
2018 Super 12
Tournament
VaalPark Primary Open Chess 2023
date
2018-05-05
rnd
5
type
Rapid
result
1
date
2023-06-16
rnd
2
type
Rapid
result
1
Opponent
Arnold, W (Wicus)
Opponent
Van As, A (An-Nike)
2 3 Tournament
Gauteng Top Schools 2024
Tournament
Gauteng Top Schools 2024
date
2024-10-05
rnd
1
type
Rapid
result
1
date
2024-10-05
rnd
3
type
Rapid
result
0.5
Opponent
Sedibe, T (Thato)
Opponent
Seemela, T (Thapelo)
3 1 Tournament
Gauteng Top Schools 2024
Tournament
Gauteng Top Schools 2024
date
2024-10-05
rnd
5
type
Rapid
result
0.5
date
2024-10-05
rnd
5
type
Rapid
result
0.5
Opponent
Janse Van Vuuren, A (Alexander)
Opponent
Janse Van Vuuren, A (Alexander)
No games found.
# Games Start End
# Games Start End
1 7 Tournament
Sedibeng East D7 Teams Trials 2024
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-17
rnd
2
type
Standard
result
1
Opponent
Kobela, T (Thato)
Opponent
Bath, X (Xavier)
2 6 Tournament
2018 Wild Card Chess Championships
Tournament
2019 Super 12 Laerskole
date
2018-12-24
rnd
7
type
Standard
result
1
date
2019-05-04
rnd
5
type
Rapid
result
1
Opponent
Mclaughlin, M (Mathew)
Opponent
Van Der Walt, J (Jason)
3 5 Tournament
Ekurhuleni Trials 3 2018
Tournament
Ekurhuleni Open 2018
date
2018-06-16
rnd
5
type
Standard
result
1
date
2018-08-18
rnd
4
type
Standard
result
1
Opponent
Gibbens, A (Allan)
Opponent
Cass, M (Matthew)
# Games Start End
1 7 Tournament
Sedibeng East D7 Teams Trials 2024
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
1
type
Standard
result
1
date
2024-08-17
rnd
2
type
Standard
result
1
Opponent
Kobela, T (Thato)
Opponent
Bath, X (Xavier)
2 5 Tournament
Ekurhuleni Trials 3 2018
Tournament
Ekurhuleni Open 2018
date
2018-06-16
rnd
5
type
Standard
result
1
date
2018-08-18
rnd
4
type
Standard
result
1
Opponent
Gibbens, A (Allan)
Opponent
Cass, M (Matthew)
3 5 Tournament
Ekurhuleni Trials 1 2018
Tournament
Human Rights Day Open 2018
date
2018-03-10
rnd
5
type
Standard
result
1
date
2018-03-21
rnd
4
type
Standard
result
1
Opponent
Gibbens, A (Allan)
Opponent
De Vasconcelos, T (Tiaana)
# Games Start End
1 6 Tournament
2018 Super 12
Tournament
2019 Super 12 Laerskole
date
2018-05-05
rnd
5
type
Rapid
result
1
date
2019-05-04
rnd
5
type
Rapid
result
1
Opponent
Arnold, W (Wicus)
Opponent
Van Der Walt, J (Jason)
2 2 Tournament
Gauteng Top Schools 2024
Tournament
Gauteng Top Schools 2024
date
2024-10-05
rnd
1
type
Rapid
result
1
date
2024-10-05
rnd
2
type
Rapid
result
1
Opponent
Sedibe, T (Thato)
Opponent
Mothudi, K (Kgotso Bokao)
3 1 Tournament
VaalPark Primary Open Chess 2023
Tournament
VaalPark Primary Open Chess 2023
date
2023-06-16
rnd
4
type
Rapid
result
1
date
2023-06-16
rnd
4
type
Rapid
result
1
Opponent
Sacks, F (Fyren)
Opponent
Sacks, F (Fyren)
No games found.
# 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 Kotzee ,A (Armand) 6 4 141.7 6 4 141.7 0 0 0 0 0 0
1382.3 1523.9 1381.2 1523.9 0 0 0 0
2 Mittermaier ,G (Gunther) 5 1 -255 4 1 -212.5 1 0 -425 0 0 0
1327.3 1072.3 1303.6 1114.8 1011.3 902.3 0 0
3 Gebuza ,M (Mbali) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1213.4 1000.9 1200.6 1000.9 0 0 0 0
4 Tolmay ,L (Llewellyn) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1313.2 1596.6 1308.8 1596.6 0 0 0 0
5 Buthelezi ,S (Sihle) 3 0.5 -283.3 3 0.5 -283.3 0 0 0 0 0 0
1119.9 836.6 1106.3 836.6 0 0 0 0
6 Gladile ,S (Smangele) 3 3 425 3 3 425 0 0 0 0 0 0
1206.5 1631.5 1205.8 1631.5 0 0 0 0
7 Farrell ,J (Jonty) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1363.3 1505 1354.5 1505 0 0 0 0
8 De Vasconcelos ,T (Tiaana) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
883.3 1024.9 848.6 1024.9 0 0 0 0
9 Drotsky ,R (Reynhardt) 2 1 0 2 1 0 0 0 0 0 0 0
1196.7 1196.7 1195.1 1196.7 0 0 0 0
10 Els ,A (Anieke) 2 2 425 2 2 425 0 0 0 0 0 0
686.7 1111.7 683.2 1111.7 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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