PLAYER PAGE

Personal

Koen , K (Kaylee-Jane)

Chess SA id

2100112735

FIDE id

14368609

Date of birth

2010-06-25 (U18)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1471.3 1476.7 1200 1200
Raw rating 1471.3 1476.7 1200 1200
Weighted rating 1400.5 1389.6 1200 1200
Weighted performance 1464.8 1466.1 0 0
Floor 987.5 986.8 700 700
K-factor 32 32 36 36
Min/Max rating change allowed 112.7 111.8 165.8 165.8
Highest rating 1487.5
2025-08-01
1486.8
2025-08-01
1214.3
2023-10-01
1200
2018-10-01
Highest raw rating 1487.5
2025-08-01
1486.8
2025-08-01
1200
2024-03-01
1200
2024-03-01
Highest weighted rating 1401
2025-04-01
1392.7
2025-04-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1487.5
2025-08-01
1486.8
2023-05-01
1214.3
2023-10-01
1200
2024-03-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1471.3 1476.7 1200 1200
Analysis
Rating 1471.3 1476.7 1200 1200
Raw rating 1471.3 1476.7 1200 1200
Weighted rating 1400.5 1389.6 1200
Weighted performance 1464.8 1466.1 0
K-factor 32 32 36 36
Floor 987.5 986.8 700 700
Max/Min rating change allowed 112.7 111.8 165.8 165.8
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 1471.3 1476.7 1200 1200
New weighted rating 1407.5 1398.1 1200 1200
New weighted performance 1455.2 1456.4 0 0
Temp new rating 1471.3 1476.7 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1471.3 1476.7 1200 1200
New K-factor 32 32 36 36
New floor 987.5 986.8 700 700

Item Main Standard Rapid Blitz
0 0 0 0
77 77 0 0
58 58 0 0
40 35 5 0
5 5 0 0
0 0 0 0
History 184 179 5 0

Games since
Main
135
Standard
135
Rapid
0
Blitz
0
Gender Female
Age group U16
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall 2110 742 266
Female 342 128 53
U16 317 110 39
U16 Female 71 30 9
Standard
RSA Province Region
Overall 2118 782 296
Female 364 137 59
U16 320 114 43
U16 Female 72 27 9
Rapid
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U16 -1 -1 -1
U16 Female -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U16 -1 -1 -1
U16 Female -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 77 41 53.25 27.6 1345.4 1373
Standard 77 41 53.25 27.6 1345.4 1373
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 184 102 55.43 46.2 1312.6 1358.8
Standard 179 99 55.31 45.1 1312.4 1357.5
Rapid 5 3 60 85 1318.1 1403.1
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2026-01-01 1471.3 1476.7 1200 1200
2025-11-30 1406.8 1396.7 1200 1200
2025-11-01 1406.8 1396.7 1200 1200
2025-09-30 1408.6 1391.6 1200 1200
2025-09-01 1437.3 1427.1 1200 1200
2025-08-01 1487.5 1486.8 1200 1200
2025-07-01 1361.9 1347.7 1200 1200
2025-06-01 1358.2 1344.7 1200 1200
2025-05-01 1355.3 1340.8 1200 1200
2025-04-01 1395.4 1387.3 1200 1200
2025-03-01 1367.6 1353.9 1200 1200
2025-02-01 1367.6 1353.9 1200 1200
2025-01-01 1380.4 1367.9 1200 1200
2024-12-01 1401 1392.7 1200 1200
2024-11-01 1401 1392.7 1200 1200
2024-10-01 1401 1392.7 1200 1200
2024-09-01 1388.4 1370 1200 1200
2024-11-01 1386.6 1355.3 1200 1200
2024-07-01 1386.6 1355.3 1200 1200
2024-06-01 1393 1374.5 1200 1200
2024-05-01 1310.3 1298.9 1200 1200
2024-04-01 1310.3 1298.9 1200 1200
2024-03-01 1312.4 1300 1200 1200
2024-02-01 1312.4 1300 1200 1200

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 2025 Mzansi Individual Championships (U16 Girls) 2025-12-17 2025-12-20 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
2 2025 Mzansi Inter Provincial Team Championships (U20 Girls) 2025-12-15 2025-12-17 Standard Nelson Mandela Bay (ENM) 6 6 6 Yes Analysis
3 Gauteng Inter-Region at Emerald Resort 2025 (U16+U18 Girls) 2025-12-06 2025-12-07 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
4 2025 Laerskool Doringkloof Primary Open Chess Tournament (C) 2025-10-25 2025-10-25 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
5 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls) 2025-09-27 2025-09-27 Standard Tshwane (GTP) 5 5 4 Yes Analysis
6 Tshwane Chess Club Clash 2025 (Ladies) 2025-09-13 2025-09-13 Standard Tshwane (GTP) 5 4 1 Yes Analysis
7 2025 Midstream Open Chess Tournament (C) 2025-08-25 2025-08-25 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
8 2025 Tshwane North District CLOSED Team Championships (D3) (U17 Open) 2025-08-16 2025-08-16 Standard Tshwane (GTP) 5 5 3 Yes Analysis
9 2025 Etienne Lewis Closed Chess Tournament (U16) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 4 Yes Analysis
10 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 4 Yes Analysis
11 South African Open 2025 (U16 Girls) 2025-07-03 2025-07-05 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
12 2025 Tshwane North School District CLOSED Individual Chess Championship (U15 Girls) 2025-05-24 2025-05-24 Standard Tshwane (GTP) 5 5 3 Yes Analysis
13 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Girls) 2025-05-10 2025-05-10 Standard Tshwane (GTP) 5 5 4 Yes Analysis
14 Moja Chess Extravaganza 2025 (C) 2025-04-26 2025-05-01 Standard Johannesburg Metro (GJM) 9 9 4 Yes Analysis
15 South African Junior Closed Chess Championships 2025 (U16 Girls) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 8 1.5 Yes Analysis
16 Lubowski Open 2025 (C) 2025-03-21 2025-03-22 Standard Tshwane (GTP) 5 5 3 Yes Analysis
17 2025 Tshwane Chess OPEN Registration Tournament (A2) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 4 0.5 Yes Analysis
18 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Girls Championship) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 7 4 Yes Analysis
19 Gauteng Inter-Region at UJ 2024 (U16+U18 Girls) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
20 2024 South Africa National Schools Chess Championship (U15 Girls) 2024-09-27 2024-09-28 Standard Nelson Mandela Bay (ENM) 7 7 4 Yes Analysis
21 2024 Etienne Lewis (U16) 2024-08-30 2024-09-01 Standard Tshwane (GTP) 7 7 3.5 Yes Analysis
22 Gauteng Schools Individuals Finals 2024 (U15 Girls) 2024-08-17 2024-08-17 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
23 2024 Tshwane North School District Team League Finals (U17) 2024-08-03 2024-08-03 Standard Tshwane (GTP) 5 5 3 Yes Analysis
24 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024-06-15 2024-06-17 Standard Tshwane (GTP) 7 7 4 Yes Analysis
25 2024 Tshwane North School District CLOSED Individual Champioships (U15 Girls) 2024-05-11 2024-05-11 Standard Tshwane (GTP) 5 5 5 Yes Analysis
26 2024 Chris Greyling Open Chess Tournament (D3) 2024-03-16 2024-03-16 Standard Tshwane (GTP) 5 5 2 Yes Analysis
27 2024 Gauteng Inter-Region Chess Championship (U14 Girls) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 4 Yes Analysis
28 Gauteng Soncini Finals 2023 (Girls) 2023-10-28 2023-10-28 Rapid Ekurhuleni (GE) 5 5 3 Yes Analysis
29 2023 Alekhine Open Tournament (C) 2023-09-09 2023-09-09 Standard Tshwane (GTP) 5 4 0 Yes Analysis
30 2023 Etienne Lewis Closed Tournament (U14) 2023-08-25 2023-08-27 Standard Tshwane (GTP) 7 7 3 Yes Analysis
31 2023 Tshwane North School District CLOSED Individual Championships (D3) 2023-05-13 2023-05-13 Standard Tshwane (GTP) 5 5 4 Yes Analysis
32 Gauteng Schools Individual Finals 2023 (U13 Girls) 2023-05-26 2023-05-26 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
33 Schoemies Kings & Queens 2023 (Rooks) 2023-03-18 2023-03-18 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
34 Chris Greyling Open Tournament 2023 (BC) 2023-03-21 2023-03-21 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
35 2023 Piet Robbertse Fide Rated Open Chess Tournament (B) 2023-02-04 2023-02-05 Standard Tshwane (GTP) 5 4 0 Yes Analysis
36 2022 Gauteng Schools Team Championships (U13 Open) 2022-08-27 2022-08-27 Standard Tshwane (GTP) 5 5 3 Yes Analysis
37 2019 D3 Individuals (U9 Girls) 2019-04-13 2019-04-13 Standard Tshwane (GTP) 5 4 3.5 Yes Analysis

Top 3 Streaks

# Games Start End
1 7 Tournament
2024 Gauteng Inter-Region Chess Championship
Tournament
2024 Chris Greyling Open Chess Tournament
date
2024-01-13
rnd
1
type
Standard
result
1
date
2024-03-16
rnd
2
type
Standard
result
1
Opponent
Phethane, B (Boile)
Opponent
Tak, A (Abeer)
2 6 Tournament
2024 Tshwane North School District Team League Finals
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
4
type
Standard
result
1
date
2024-08-17
rnd
4
type
Standard
result
1
Opponent
Bopape, M (Maisha)
Opponent
De Vasconcelos, T (Tiaana)
3 6 Tournament
2024 Tshwane North School District CLOSED Individual Champioships
Tournament
2024 Elise Steenkamp Open Chess Tournament
date
2024-05-11
rnd
1
type
Standard
result
1
date
2024-06-15
rnd
1
type
Standard
result
1
Opponent
Djiane, L (Lehumo)
Opponent
Marais, M (Migael)
# Games Start End
1 7 Tournament
2024 Gauteng Inter-Region Chess Championship
Tournament
2024 Chris Greyling Open Chess Tournament
date
2024-01-13
rnd
1
type
Standard
result
1
date
2024-03-16
rnd
2
type
Standard
result
1
Opponent
Phethane, B (Boile)
Opponent
Tak, A (Abeer)
2 6 Tournament
2024 Tshwane North School District Team League Finals
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
4
type
Standard
result
1
date
2024-08-17
rnd
4
type
Standard
result
1
Opponent
Bopape, M (Maisha)
Opponent
De Vasconcelos, T (Tiaana)
3 6 Tournament
2024 Tshwane North School District CLOSED Individual Champioships
Tournament
2024 Elise Steenkamp Open Chess Tournament
date
2024-05-11
rnd
1
type
Standard
result
1
date
2024-06-15
rnd
1
type
Standard
result
1
Opponent
Djiane, L (Lehumo)
Opponent
Marais, M (Migael)
# Games Start End
1 3 Tournament
Gauteng Soncini Finals 2023
Tournament
Gauteng Soncini Finals 2023
date
2023-10-28
rnd
2
type
Rapid
result
1
date
2023-10-28
rnd
4
type
Rapid
result
1
Opponent
Moabi, O (Olerato)
Opponent
Khama, T (Tsholofelo)
No games found.
# Games Start End
# Games Start End
1 6 Tournament
2024 Tshwane North School District Team League Finals
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
4
type
Standard
result
1
date
2024-08-17
rnd
4
type
Standard
result
1
Opponent
Bopape, M (Maisha)
Opponent
De Vasconcelos, T (Tiaana)
2 6 Tournament
2024 Tshwane North School District CLOSED Individual Champioships
Tournament
2024 Elise Steenkamp Open Chess Tournament
date
2024-05-11
rnd
1
type
Standard
result
1
date
2024-06-15
rnd
1
type
Standard
result
1
Opponent
Djiane, L (Lehumo)
Opponent
Marais, M (Migael)
3 5 Tournament
Chris Greyling Open Tournament 2023
Tournament
2023 Tshwane North School District CLOSED Individual Championships
date
2023-03-21
rnd
5
type
Standard
result
1
date
2023-05-13
rnd
4
type
Standard
result
1
Opponent
Zando, B (Baraka)
Opponent
Chokoe, T (Tshegofatso Maribana)
# Games Start End
1 6 Tournament
2024 Tshwane North School District Team League Finals
Tournament
Gauteng Schools Individuals Finals 2024
date
2024-08-03
rnd
4
type
Standard
result
1
date
2024-08-17
rnd
4
type
Standard
result
1
Opponent
Bopape, M (Maisha)
Opponent
De Vasconcelos, T (Tiaana)
2 6 Tournament
2024 Tshwane North School District CLOSED Individual Champioships
Tournament
2024 Elise Steenkamp Open Chess Tournament
date
2024-05-11
rnd
1
type
Standard
result
1
date
2024-06-15
rnd
1
type
Standard
result
1
Opponent
Djiane, L (Lehumo)
Opponent
Marais, M (Migael)
3 5 Tournament
Chris Greyling Open Tournament 2023
Tournament
2023 Tshwane North School District CLOSED Individual Championships
date
2023-03-21
rnd
5
type
Standard
result
1
date
2023-05-13
rnd
4
type
Standard
result
1
Opponent
Zando, B (Baraka)
Opponent
Chokoe, T (Tshegofatso Maribana)
# Games Start End
1 3 Tournament
Gauteng Soncini Finals 2023
Tournament
Gauteng Soncini Finals 2023
date
2023-10-28
rnd
2
type
Rapid
result
1
date
2023-10-28
rnd
4
type
Rapid
result
1
Opponent
Moabi, O (Olerato)
Opponent
Khama, T (Tsholofelo)
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 Grobler ,A (Amorette) 4 2.5 106.2 4 2.5 106.2 0 0 0 0 0 0
1239.9 1346.2 1237.5 1346.2 0 0 0 0
2 Botha ,A (Andrea) 3 3 425 3 3 425 0 0 0 0 0 0
1352 1777 1355.6 1777 0 0 0 0
3 Kritzinger ,M (Madeleine) 2 1 0 2 1 0 0 0 0 0 0 0
1216.8 1216.8 1217.9 1216.8 0 0 0 0
4 Gafane ,N (Naledi) 2 2 425 2 2 425 0 0 0 0 0 0
1200 1625 1200 1625 0 0 0 0
5 Urombo ,B (Blessing) 2 0 -425 2 0 -425 0 0 0 0 0 0
1208.7 783.7 1210.1 783.7 0 0 0 0
6 Rautenbach ,H (Helen Christine) 2 0 -425 2 0 -425 0 0 0 0 0 0
1668.8 1243.8 1667.4 1243.8 0 0 0 0
7 Ngwangwa ,N (Nonhlanhla) 2 0 -425 2 0 -425 0 0 0 0 0 0
1394.6 969.6 1408.6 969.6 0 0 0 0
8 Carlse ,A (Aiden) 2 1 0 2 1 0 0 0 0 0 0 0
1208.2 1208.2 1208.9 1208.2 0 0 0 0
9 Moller ,S (Sarah) 2 0 -425 2 0 -425 0 0 0 0 0 0
1446.2 1021.2 1408.6 1021.2 0 0 0 0
10 Seitei ,N (Neo) 2 0.5 -212.5 2 0.5 -212.5 0 0 0 0 0 0
1313.1 1100.6 1293.7 1100.6 0 0 0 0

Norms

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