PLAYER PAGE

Personal

Khosana, O (Onalerona)

Chess SA id

1160302696

FIDE id

?

Date of birth

2016-02-22 (U10)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

112

Junior GPX Points

1546.8

Item Main Standard Rapid Blitz
Rating 1781.8 1783 1200 1200
Raw rating 1780.9 1783 1200 1200
Weighted rating 1538.4 1537.2 1200 1200
Weighted performance 1781.8 1775.7 0 0
Floor 1280.9 1283 700 700
K-factor 28 28 36 36
Min/Max rating change allowed 72.5 72.3 165.8 165.8
Highest rating 1781.8
2025-11-01
1783
2025-11-01
1200
2024-05-01
1200
2024-05-01
Highest raw rating 1780.9
2025-11-01
1783
2025-11-01
1200
2024-05-01
1200
2024-05-01
Highest weighted rating 1643.1
2024-10-01
1638.1
2024-10-01
1200
2024-05-01
1200
2024-05-01
Highest weighted performance 1781.8
2025-11-01
1775.7
2025-11-01
1200
2024-05-01
1200
2024-05-01

Prediction
Item Main Standard Rapid Blitz
Rating change -0.9 0 0 0
New rating 1780.9 1783 1200 1200
Analysis
Rating 1781.8 1783 1200 1200
Raw rating 1780.9 1783 1200 1200
Weighted rating 1538.4 1537.2 1200
Weighted performance 1781.8 1775.7 0
K-factor 28 28 36 36
Floor 1280.9 1283 700 700
Max/Min rating change allowed 72.5 72.3 165.8 165.8
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 1780.9 1783 1200 1200
New weighted rating 1566 1565 1200 1200
New weighted performance 1771.3 1765.2 0 0
Temp new rating 1780.9 1783 1200 1200
Temp new rating +/- -0.9 0 0 0
Final new rating +/- -0.9 0 0 0
New rating 1780.9 1783 1200 1200
New K-factor 28 28 36 36
New floor 1280.9 1283 700 700

Item Main Standard Rapid Blitz
0 0 0 0
97 97 0 0
72 72 0 0
0 0 0 0
0 0 0 0
0 0 0 0
History 169 169 0 0

Games since
Main
169
Standard
169
Rapid
0
Blitz
0
Gender Male
Age group U10
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall 182 75 28
Male 175 73 28
U10 1 1 1
U10 Male 1 1 1
Standard
RSA Province Region
Overall 177 77 29
Male 167 73 29
U10 1 1 1
U10 Male 1 1 1
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U10 -1 -1 -1
U10 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U10 -1 -1 -1
U10 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 97 74 76.29 223.5 1410.8 1634.3
Standard 97 74 76.29 223.5 1410.8 1634.3
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 169 122 72.19 188.6 1349.5 1538.1
Standard 169 122 72.19 188.6 1349.5 1538.1
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-11-01 1780.9 1783 1200 1200
2025-09-30 1749.7 1747.4 1200 1200
2025-09-01 1753.4 1751.9 1200 1200
2025-08-01 1733 1732.6 1200 1200
2025-07-01 1643.1 1638.1 1200 1200
2025-06-01 1513.2 1510.3 1200 1200
2025-05-01 1503.9 1509.1 1200 1200
2025-04-01 1503.9 1509.1 1200 1200
2025-03-01 1467.9 1457.5 1200 1200
2025-02-01 1499.8 1494.5 1200 1200
2025-01-01 1504.4 1500.1 1200 1200
2024-12-01 1525.5 1523.5 1200 1200
2024-11-01 1392.9 1392 1200 1200
2024-10-01 1355.3 1341.8 1200 1200
2024-09-01 1456.9 1456.8 1200 1200
2024-08-01 1345.2 1343.5 1200 1200
2024-07-01 1265.3 1274.8 1200 1200
2024-09-01 1241.1 1249.6 1200 1200
2024-05-01 1223.2 1228 1200 1200
2024-04-01 1200 1200 1200 1200
2024-03-01 1200 1200 1200 1200
2024-02-01 1200 1200 1200 1200
2024-01-01 1200 1200 1200 1200
2023-12-01 1200 1200 1200 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Laerskool Doringkloof Primary Open Chess Tournament (U12) 2025-10-25 2025-10-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
2 Lardies Open 2025 (U10) 2025-10-18 2025-10-18 Standard Tshwane (GTP) 5 5 5 Yes Analysis
3 2025 Centurion Chess Open Tournament (U10) 2025-09-27 2025-09-27 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
4 2025 Midstream Open Chess Tournament (U10) 2025-08-25 2025-08-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
5 2025 Etienne Lewis Closed Chess Tournament (U10) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 7 Yes Analysis
6 2025 Menlo Open (U10) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 4 Yes Analysis
7 2025 Wynie Robbertse Chess Tournament (U10) 2025-07-19 2025-07-19 Standard Tshwane (GTP) 5 5 5 Yes Analysis
8 2025 Elise Steenkamp Open Chess Tournament (Knight) 2025-06-14 2025-06-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
9 2025 JMCA Open Chess Tournament (U10) 2025-06-07 2025-06-07 Standard Tshwane (GTP) 5 5 4 Yes Analysis
10 Knight Riders Juniors Open Chess Tournament 2025 (U10) 2025-05-24 2025-05-24 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
11 JMC Crawford Sandton 2025 (U10) 2025-05-10 2025-05-10 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
12 2025 Silver Lakes Chess Club Open Chess Tournament (U10) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
13 Lubowski Open 2025 (C) 2025-03-21 2025-03-22 Standard Tshwane (GTP) 5 5 2 Yes Analysis
14 2025 Chris Greyling Open Chess Tournament (U10) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 4 Yes Analysis
15 2025 Prestige Open Chess Tournament (U10) 2025-03-08 2025-03-08 Standard Tshwane (GTP) 5 5 4 Yes Analysis
16 AHS Open Chess Tournament 2025 (U10) 2025-03-01 2025-03-01 Standard Tshwane (GTP) 5 5 4 Yes Analysis
17 2025 Blou Bul Open Chess Tournament (C) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 2 Yes Analysis
18 2025 Piet Robbertse Fide Rated Open Chess Tournament (C) 2025-02-01 2025-02-02 Standard Tshwane (GTP) 5 5 3 Yes Analysis
19 2025 Tshwane Chess OPEN Registration Tournament (U10) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Laerskool Doringkloof Primary Open Chess Tournament (U12) 2025-10-25 2025-10-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
2 Lardies Open 2025 (U10) 2025-10-18 2025-10-18 Standard Tshwane (GTP) 5 5 5 Yes Analysis
3 2025 Centurion Chess Open Tournament (U10) 2025-09-27 2025-09-27 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
4 2025 Midstream Open Chess Tournament (U10) 2025-08-25 2025-08-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
5 2025 Etienne Lewis Closed Chess Tournament (U10) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 7 Yes Analysis
6 2025 Menlo Open (U10) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 4 Yes Analysis
7 2025 Wynie Robbertse Chess Tournament (U10) 2025-07-19 2025-07-19 Standard Tshwane (GTP) 5 5 5 Yes Analysis
8 2025 Elise Steenkamp Open Chess Tournament (Knight) 2025-06-14 2025-06-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
9 2025 JMCA Open Chess Tournament (U10) 2025-06-07 2025-06-07 Standard Tshwane (GTP) 5 5 4 Yes Analysis
10 Knight Riders Juniors Open Chess Tournament 2025 (U10) 2025-05-24 2025-05-24 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
11 JMC Crawford Sandton 2025 (U10) 2025-05-10 2025-05-10 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
12 2025 Silver Lakes Chess Club Open Chess Tournament (U10) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
13 Lubowski Open 2025 (C) 2025-03-21 2025-03-22 Standard Tshwane (GTP) 5 5 2 Yes Analysis
14 2025 Chris Greyling Open Chess Tournament (U10) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 4 Yes Analysis
15 2025 Prestige Open Chess Tournament (U10) 2025-03-08 2025-03-08 Standard Tshwane (GTP) 5 5 4 Yes Analysis
16 AHS Open Chess Tournament 2025 (U10) 2025-03-01 2025-03-01 Standard Tshwane (GTP) 5 5 4 Yes Analysis
17 2025 Blou Bul Open Chess Tournament (C) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 2 Yes Analysis
18 2025 Piet Robbertse Fide Rated Open Chess Tournament (C) 2025-02-01 2025-02-02 Standard Tshwane (GTP) 5 5 3 Yes Analysis
19 2025 Tshwane Chess OPEN Registration Tournament (U10) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
20 Gauteng Inter-Region at UJ 2024 (U10 Open) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
21 Lardies Ope 2024 (U10) 2024-10-26 2024-10-26 Standard Tshwane (GTP) 5 5 5 Yes Analysis
22 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U10) 2024-10-19 2024-10-19 Standard Tshwane (GTP) 5 5 4 Yes Analysis
23 2024 Tuks Open Chess Tournament (U10) 2024-09-28 2024-09-28 Standard Tshwane (GTP) 5 5 3 Yes Analysis
24 Centurion Chess Open Tournament 2024 (U10) 2024-09-21 2024-09-21 Standard Tshwane (GTP) 5 5 2 Yes Analysis
25 2024 Curro Hazeldean High Open Chess Tournament (U10) 2024-09-07 2024-09-07 Standard Tshwane (GTP) 5 5 3 Yes Analysis
26 2024 Etienne Lewis (U10) 2024-08-30 2024-09-01 Standard Tshwane (GTP) 7 7 3.5 Yes Analysis
27 2024 Alekhine Open Chess Tournament (U10) 2024-08-09 2024-08-09 Standard Tshwane (GTP) 5 5 5 Yes Analysis
28 Menlopark Open Chess Tournament 2024 (U10) 2024-07-13 2024-07-13 Standard Tshwane (GTP) 5 5 3 Yes Analysis
29 2024 Prestige College Open Chess Tournament (E) 2024-07-06 2024-07-06 Standard Tshwane (GTP) 5 5 4 Yes Analysis
30 2024 Elise Steenkamp Open Chess Tournament (Bishops) 2024-06-15 2024-06-15 Standard Tshwane (GTP) 5 5 2 Yes Analysis
31 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (E) 2024-06-01 2024-06-01 Standard Tshwane (GTP) 5 5 4 Yes Analysis
32 2024 Mid Gauteng Open Chess Tournament (U10) 2024-05-02 2024-05-02 Standard Tshwane (GTP) 5 5 3 Yes Analysis
33 2024 Silver Lakes Open Chess Tournament (E) 2024-04-20 2024-04-20 Standard Tshwane (GTP) 5 5 3 Yes Analysis

Top 3 Streaks

# Games Start End
1 15 Tournament
2025 JMCA Open Chess Tournament
Tournament
2025 Menlo Open
date
2025-06-07
rnd
5
type
Standard
result
1
date
2025-07-26
rnd
4
type
Standard
result
1
Opponent
Kgwale, K (Keratilwe)
Opponent
Anthonissen, MV (Mikhael Villem)
2 10 Tournament
2025 Etienne Lewis Closed Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-08
rnd
1
type
Standard
result
1
date
2025-08-25
rnd
3
type
Standard
result
1
Opponent
Mostert, M (Matthew)
Opponent
Seedat, M (Muhammad)
3 9 Tournament
Menlopark Open Chess Tournament 2024
Tournament
2024 Etienne Lewis
date
2024-07-13
rnd
5
type
Standard
result
1
date
2024-08-31
rnd
3
type
Standard
result
1
Opponent
Van Der Merwe, A (Alex)
Opponent
Li, J (Jiming)
# Games Start End
1 15 Tournament
2025 JMCA Open Chess Tournament
Tournament
2025 Menlo Open
date
2025-06-07
rnd
5
type
Standard
result
1
date
2025-07-26
rnd
4
type
Standard
result
1
Opponent
Kgwale, K (Keratilwe)
Opponent
Anthonissen, MV (Mikhael Villem)
2 10 Tournament
2025 Etienne Lewis Closed Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-08
rnd
1
type
Standard
result
1
date
2025-08-25
rnd
3
type
Standard
result
1
Opponent
Mostert, M (Matthew)
Opponent
Seedat, M (Muhammad)
3 9 Tournament
Menlopark Open Chess Tournament 2024
Tournament
2024 Etienne Lewis
date
2024-07-13
rnd
5
type
Standard
result
1
date
2024-08-31
rnd
3
type
Standard
result
1
Opponent
Van Der Merwe, A (Alex)
Opponent
Li, J (Jiming)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 15 Tournament
2025 JMCA Open Chess Tournament
Tournament
2025 Menlo Open
date
2025-06-07
rnd
5
type
Standard
result
1
date
2025-07-26
rnd
4
type
Standard
result
1
Opponent
Kgwale, K (Keratilwe)
Opponent
Anthonissen, MV (Mikhael Villem)
2 10 Tournament
2025 Etienne Lewis Closed Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-08
rnd
1
type
Standard
result
1
date
2025-08-25
rnd
3
type
Standard
result
1
Opponent
Mostert, M (Matthew)
Opponent
Seedat, M (Muhammad)
3 9 Tournament
Menlopark Open Chess Tournament 2024
Tournament
2024 Etienne Lewis
date
2024-07-13
rnd
5
type
Standard
result
1
date
2024-08-31
rnd
3
type
Standard
result
1
Opponent
Van Der Merwe, A (Alex)
Opponent
Li, J (Jiming)
# Games Start End
1 15 Tournament
2025 JMCA Open Chess Tournament
Tournament
2025 Menlo Open
date
2025-06-07
rnd
5
type
Standard
result
1
date
2025-07-26
rnd
4
type
Standard
result
1
Opponent
Kgwale, K (Keratilwe)
Opponent
Anthonissen, MV (Mikhael Villem)
2 10 Tournament
2025 Etienne Lewis Closed Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-08
rnd
1
type
Standard
result
1
date
2025-08-25
rnd
3
type
Standard
result
1
Opponent
Mostert, M (Matthew)
Opponent
Seedat, M (Muhammad)
3 9 Tournament
Menlopark Open Chess Tournament 2024
Tournament
2024 Etienne Lewis
date
2024-07-13
rnd
5
type
Standard
result
1
date
2024-08-31
rnd
3
type
Standard
result
1
Opponent
Van Der Merwe, A (Alex)
Opponent
Li, J (Jiming)
No games found.
# Games Start End
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 Anthonissen ,MV (Mikhael Villem) 9 3.5 -94.4 9 3.5 -94.4 0 0 0 0 0 0
1547.3 1452.9 1545.3 1452.9 0 0 0 0
2 Simao ,R (Raul) 5 2 -85 5 2 -85 0 0 0 0 0 0
1345.8 1260.8 1344.1 1260.8 0 0 0 0
3 Olivier ,C (Christiaan) 4 2 0 4 2 0 0 0 0 0 0 0
1410.3 1410.3 1413.4 1410.3 0 0 0 0
4 Kgwale ,K (Keratilwe) 4 3 212.5 4 3 212.5 0 0 0 0 0 0
1347.4 1559.9 1340.3 1559.9 0 0 0 0
5 Van Dalen ,L (Lenert) 4 3 212.5 4 3 212.5 0 0 0 0 0 0
1536.8 1749.3 1536.2 1749.3 0 0 0 0
6 Janse Van Rensburg ,A (Ava) 4 3.5 318.8 4 3.5 318.8 0 0 0 0 0 0
1510.2 1829 1507.7 1829 0 0 0 0
7 Erdogan ,D (Demir) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1438.6 1580.2 1439.5 1580.2 0 0 0 0
8 Wolvaardt ,J (Jonathan) 2 2 425 2 2 425 0 0 0 0 0 0
1434.1 1859.1 1428.6 1859.1 0 0 0 0
9 Ebersohn ,C (Christiaan) 2 2 425 2 2 425 0 0 0 0 0 0
1309.2 1734.2 1303.8 1734.2 0 0 0 0
10 Masekela ,L (Lepato) 2 2 425 2 2 425 0 0 0 0 0 0
1367.2 1792.2 1364.2 1792.2 0 0 0 0

Norms

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