PLAYER PAGE

Personal

Karsten, CB (Chay Belle)

Chess SA id

2100109348

FIDE id

?

Date of birth

2010-07-07 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

48.2

Junior GPX Points

1407.8

Item Main Standard Rapid Blitz
Rating 1429.5 1421 1202 1200
Raw rating 1424.9 1415.1 1202 1200
Weighted rating 1429.5 1421 1199.9 1200
Weighted performance 1350 1352.9 0 0
Floor 994.5 992.1 702 700
K-factor 32 32 36 36
Min/Max rating change allowed 120.3 122.1 165.3 165.8
Highest rating 1494.5
2025-01-01
1492.1
2025-01-01
1202
2024-11-01
1200
2018-10-01
Highest raw rating 1494.5
2025-01-01
1492.1
2025-01-01
1202
2024-11-01
1200
2024-03-01
Highest weighted rating 1428.6
2025-09-01
1420
2025-09-01
1202
2018-10-01
1200
2018-10-01
Highest weighted performance 1486
2025-01-01
1486
2025-01-01
1200
2019-12-01
1200
2024-03-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0.9 1 0 0
New rating 1430.4 1422 1202 1200
Analysis
Rating 1429.5 1421 1202 1200
Raw rating 1424.9 1415.1 1202 1200
Weighted rating 1429.5 1421 1199.9
Weighted performance 1350 1352.9 0
K-factor 32 32 36 36
Floor 994.5 992.1 702 700
Max/Min rating change allowed 120.3 122.1 165.3 165.8
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 1424.9 1415.1 1202 1200
New weighted rating 1430.4 1422 1200.2 1200
New weighted performance 1349.6 1352.4 0 0
Temp new rating 1430.4 1422 1202 1200
Temp new rating +/- 0.9 1 0 0
Final new rating +/- 0.9 1 0 0
New rating 1430.4 1422 1202 1200
New K-factor 32 32 36 36
New floor 994.5 992.1 702 700

Item Main Standard Rapid Blitz
0 0 0 0
42 42 0 0
57 55 2 0
61 61 0 0
53 46 7 0
25 25 0 0
History 276 267 9 0

Games since
Main
104
Standard
102
Rapid
2
Blitz
0
Gender Female
Age group U16
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall 1880 662 235
Female 290 107 44
U16 264 85 33
U16 Female 55 20 7
Standard
RSA Province Region
Overall 1838 687 258
Female 306 119 50
U16 268 90 35
U16 Female 57 24 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 42 20.5 48.81 -10.1 1429.6 1419.5
Standard 42 20.5 48.81 -10.1 1429.6 1419.5
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 276 143.5 51.99 16.9 1253.7 1270.6
Standard 267 138.5 51.87 15.9 1253.6 1269.6
Rapid 9 5 55.56 47.2 1254.2 1301.4
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1424.9 1415.1 1202 1200
2025-09-01 1424.9 1415.1 1202 1200
2025-08-01 1461.9 1458.7 1202 1200
2025-07-01 1457.3 1451.8 1202 1200
2025-06-01 1457.3 1451.8 1202 1200
2025-05-01 1469 1465.6 1202 1200
2025-04-01 1469 1465.6 1202 1200
2025-03-01 1477 1471.7 1202 1200
2025-02-01 1477 1471.7 1202 1200
2025-01-01 1494.5 1492.1 1202 1200
2024-12-01 1420.4 1417.1 1202 1200
2024-11-01 1420.4 1417.1 1202 1200
2024-10-01 1423.8 1417.1 1194 1200
2024-09-01 1334.7 1319.8 1194 1200
2024-08-01 1326.9 1304.8 1194 1200
2024-07-01 1326.9 1304.8 1194 1200
2024-06-01 1326.9 1304.8 1194 1200
2024-08-01 1348.1 1324.3 1194 1200
2024-04-01 1348.1 1324.3 1194 1200
2024-03-01 1348.1 1324.3 1194 1200
2024-02-01 1433.6 1427.3 1194 1200
2024-01-01 1417.9 1406.8 1194 1200
2023-12-01 1417.9 1406.8 1194 1200
2023-11-01 1417.9 1406.8 1194 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 Tshwane South School District CLOSED League Championship (U17A) 2025-08-16 2025-08-16 Standard Tshwane (GTP) 5 5 2 Yes Analysis
2 2025 Etienne Lewis Closed Chess Tournament (U16) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 4 Yes Analysis
3 South African Open 2025 (U16 Girls) 2025-07-03 2025-07-05 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
4 2025 Tshwane South School District Individual Finals (D4) (U15 Girls) 2025-05-10 2025-05-10 Standard Tshwane (GTP) 5 5 4 Yes Analysis
5 2025 Silver Lakes Chess Club Open Chess Tournament (C) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 2 Yes Analysis
6 Lubowski Open 2025 (B) 2025-03-21 2025-03-22 Standard Tshwane (GTP) 5 5 1 Yes Analysis
7 2025 Chris Greyling Open Chess Tournament (B) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
8 2025 Tshwane Chess OPEN Registration Tournament (A1) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 1.5 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 (U17A) 2025-08-16 2025-08-16 Standard Tshwane (GTP) 5 5 2 Yes Analysis
2 2025 Etienne Lewis Closed Chess Tournament (U16) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 4 Yes Analysis
3 South African Open 2025 (U16 Girls) 2025-07-03 2025-07-05 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
4 2025 Tshwane South School District Individual Finals (D4) (U15 Girls) 2025-05-10 2025-05-10 Standard Tshwane (GTP) 5 5 4 Yes Analysis
5 2025 Silver Lakes Chess Club Open Chess Tournament (C) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 2 Yes Analysis
6 Lubowski Open 2025 (B) 2025-03-21 2025-03-22 Standard Tshwane (GTP) 5 5 1 Yes Analysis
7 2025 Chris Greyling Open Chess Tournament (B) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
8 2025 Tshwane Chess OPEN Registration Tournament (A1) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
9 Gauteng Inter-Region at UJ 2024 (U16+U18 Girls) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 4 Yes Analysis
10 Gauteng Top Schools 2024 (U17 Open) 2024-10-05 2024-10-05 Rapid Ekurhuleni (GE) 5 2 1 Yes Analysis
11 2024 Etienne Lewis (U16) 2024-08-30 2024-09-01 Standard Tshwane (GTP) 7 7 4.5 Yes Analysis
12 Gauteng Schools Individuals Finals 2024 (U15 Girls) 2024-08-17 2024-08-17 Standard Ekurhuleni (GE) 5 5 3.5 Yes Analysis
13 2024 Alekhine Open Chess Tournament (B) 2024-08-09 2024-08-10 Standard Tshwane (GTP) 5 5 3 Yes Analysis
14 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U17A) 2024-08-03 2024-08-03 Standard Tshwane (GTP) 5 4 2 Yes Analysis
15 2024 Tshwane South School District CLOSED Individual Championships (U15 Girls) 2024-05-11 2024-05-11 Standard Tshwane (GTP) 5 5 3 Yes Analysis
16 2024 Mid Gauteng Open Chess Tournament (U16) 2024-05-02 2024-05-02 Standard Tshwane (GTP) 5 4 2 Yes Analysis
17 2024 Tshwane Chess AHS Open Chess Tournament (C2) 2024-02-24 2024-02-24 Standard Tshwane (GTP) 5 5 1 Yes Analysis
18 2024 Constantiapark Open (C) 2024-02-17 2024-02-17 Standard Tshwane (GTP) 5 5 2 Yes Analysis
19 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024-01-27 2024-01-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
20 2024 Gauteng Inter-Region Chess Championship (U14 Girls) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 5 Yes Analysis
21 Lardies Open Tournament 2023 (C) 2023-10-28 2023-10-28 Standard Tshwane (GTP) 5 5 2 Yes Analysis
22 2023 Gauteng Top Schools (U13 Girls) 2023-08-18 2023-08-18 Standard West Rand (GWR) 5 5 5 Yes Analysis
23 2023 Jacaranda Round Robin (H) 2023-08-12 2023-08-12 Standard Tshwane (GTP) 5 5 5 Yes Analysis
24 2023 Etienne Lewis Closed Tournament (U14) 2023-08-25 2023-08-27 Standard Tshwane (GTP) 7 7 3.5 Yes Analysis
25 2023 Menlo Open Tournament (D) 2023-07-22 2023-07-22 Standard Tshwane (GTP) 5 5 3 Yes Analysis
26 2023 Elize Steenkamp Open Tournament (C) 2023-06-16 2023-06-17 Standard Tshwane (GTP) 6 5 2 Yes Analysis
27 2023 Mid Gauteng Open Tournament (D) 2023-05-06 2023-05-06 Standard Tshwane (GTP) 5 5 4 Yes Analysis
28 2023 Tshwane South School District CLOSED Individual Championships (U13 Girls) 2023-04-22 2023-04-22 Standard Tshwane (GTP) 5 4 1 Yes Analysis
29 2023 Milos Ristic Open Tournament (D1) 2023-04-27 2023-04-27 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
30 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D1) 2023-03-04 2023-03-04 Standard Tshwane (GTP) 5 5 2 Yes Analysis
31 Laerskool Constantiapark Open Chess Tournament 2023 (U14) 2023-02-18 2023-02-18 Standard Tshwane (GTP) 5 5 2 Yes Analysis
32 2023 Tshwane Chess Open Registration Tournament (D1) 2023-01-28 2023-01-28 Standard Tshwane (GTP) 5 5 4 Yes Analysis
33 Lardies Tournament 2022 (U14) 2022-10-29 2022-10-29 Standard Tshwane (GTP) 5 5 2 Yes Analysis
34 2022 Etienne Lewis (U14 Girls) 2022-09-02 2022-09-04 Standard Tshwane (GTP) 7 7 2 Yes Analysis
35 2022 Alekhine Open (D) 2022-08-13 2022-08-14 Standard Tshwane (GTP) 5 5 3 Yes Analysis
36 2022 Gauteng Schools Team Championships (U13 Girls) 2022-08-27 2022-08-27 Standard Tshwane (GTP) 5 5 3 Yes Analysis
37 2022 Gauteng Schools Individual Chess Championship (U13 Girls) 2022-06-18 2022-06-18 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
38 2022 Milos Ristic Open Chess Tournament (D) 2022-05-28 2022-05-28 Standard Tshwane (GTP) 5 5 3 Yes Analysis
39 D4 Individuals 2022 (U13 Girls) 2022-04-23 2022-04-23 Rapid Tshwane (GTP) 7 7 4 Yes Analysis
40 CP Ope 2022 (D1) 2022-02-19 2022-02-19 Standard Tshwane (GTP) 5 5 2 Yes Analysis
41 2022 Gauteng Interregion (U12 Girls) 2022-02-26 2022-02-26 Standard Tshwane (GTP) 5 4 1 Yes Analysis
42 Piet Robertse 2022 (D) 2022-02-05 2022-02-05 Standard Tshwane (GTP) 5 5 3 Yes Analysis
43 2021 Lardies Ope (D) 2021-10-30 2021-10-30 Standard Tshwane (GTP) 5 5 3 Yes Analysis
44 2021 Etienne Lewis Closed Trials (U12 Girls) 2021-09-24 2021-09-26 Standard Nelson Mandela Bay (ENM) 7 6 3 Yes Analysis
45 2021 Gauteng North Open Tournament (D) 2021-08-28 2021-08-29 Standard Tshwane (GTP) 5 5 3 Yes Analysis
46 2021 Alekhine Open (D) 2021-08-14 2021-08-15 Standard Tshwane (GTP) 5 4 0 Yes Analysis
47 2021 Chris Greyling Open Tournament (D) 2021-05-08 2021-05-08 Standard Tshwane (GTP) 5 5 2 Yes Analysis
48 2020 Waterkloof Open (D) 2020-02-29 2020-03-01 Standard Tshwane (GTP) 5 5 3 Yes Analysis
49 2020 Piet Robbertse (D) 2020-01-31 2020-02-02 Standard Cape Winelands (WCW) 5 4 1 Yes Analysis
50 2020 Registration Tournament (D) 2020-01-25 2020-01-25 Standard Tshwane (GTP) 5 5 2 Yes Analysis
51 2019 Lardies Open (E) 2019-10-26 2019-10-26 Standard Tshwane (GTP) 5 5 4 Yes Analysis
52 2019 Swartkop Open (E) 2019-06-15 2019-06-15 Standard Tshwane (GTP) 5 5 1 Yes Analysis
53 2019 Chris Greyling (E) 2019-04-27 2019-04-27 Standard Tshwane (GTP) 5 4 1 Yes Analysis
54 2019 Capablanca Chess Festival (Swiss E) 2019-04-19 2019-04-19 Standard Tshwane (GTP) 5 5 2 Yes Analysis
55 2019 Constantia Park Open (E) 2019-02-09 2019-02-09 Standard Tshwane (GTP) 5 5 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 12 Tournament
2023 Menlo Open Tournament
Tournament
2023 Gauteng Top Schools
date
2023-07-22
rnd
4
type
Standard
result
1
date
2023-08-18
rnd
5
type
Standard
result
1
Opponent
Loubser, L (Lara)
Opponent
Dyason, C (Ciana)
2 7 Tournament
Lardies Open Tournament 2023
Tournament
2024 Tshwane Chess OPEN Registration Tournament
date
2023-10-28
rnd
5
type
Standard
result
1
date
2024-01-27
rnd
1
type
Standard
result
1
Opponent
Buchner, E (Emil)
Opponent
Du Bruyn, D (Dylan)
3 5 Tournament
2024 Etienne Lewis
Tournament
2024 Etienne Lewis
date
2024-08-31
rnd
3
type
Standard
result
1
date
2024-09-01
rnd
7
type
Standard
result
0.5
Opponent
Seloana, K (Kamogelo)
Opponent
Matsiokolo, G (Godisang)
# Games Start End
1 12 Tournament
2023 Menlo Open Tournament
Tournament
2023 Gauteng Top Schools
date
2023-07-22
rnd
4
type
Standard
result
1
date
2023-08-18
rnd
5
type
Standard
result
1
Opponent
Loubser, L (Lara)
Opponent
Dyason, C (Ciana)
2 8 Tournament
2024 Etienne Lewis
Tournament
Gauteng Inter-Region at UJ 2024
date
2024-08-31
rnd
3
type
Standard
result
1
date
2024-12-07
rnd
3
type
Standard
result
1
Opponent
Seloana, K (Kamogelo)
Opponent
Netshimbupfe, W (Wanga)
3 7 Tournament
Lardies Open Tournament 2023
Tournament
2024 Tshwane Chess OPEN Registration Tournament
date
2023-10-28
rnd
5
type
Standard
result
1
date
2024-01-27
rnd
1
type
Standard
result
1
Opponent
Buchner, E (Emil)
Opponent
Du Bruyn, D (Dylan)
# Games Start End
1 2 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
4
type
Rapid
result
1
date
2022-04-23
rnd
5
type
Rapid
result
1
Opponent
Viljoen, A (Aiko)
Opponent
Sutherland, Y (Yunay)
2 1 Tournament
Gauteng Top Schools 2024
Tournament
Gauteng Top Schools 2024
date
2024-10-05
rnd
2
type
Rapid
result
1
date
2024-10-05
rnd
2
type
Rapid
result
1
Opponent
Mabuza, K (Keitumetsi)
Opponent
Mabuza, K (Keitumetsi)
3 1 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
7
type
Rapid
result
1
date
2022-04-23
rnd
7
type
Rapid
result
1
Opponent
Coetzee, J (Juane)
Opponent
Coetzee, J (Juane)
No games found.
# Games Start End
# Games Start End
1 12 Tournament
2023 Menlo Open Tournament
Tournament
2023 Gauteng Top Schools
date
2023-07-22
rnd
4
type
Standard
result
1
date
2023-08-18
rnd
5
type
Standard
result
1
Opponent
Loubser, L (Lara)
Opponent
Dyason, C (Ciana)
2 7 Tournament
Lardies Open Tournament 2023
Tournament
2024 Tshwane Chess OPEN Registration Tournament
date
2023-10-28
rnd
5
type
Standard
result
1
date
2024-01-27
rnd
1
type
Standard
result
1
Opponent
Buchner, E (Emil)
Opponent
Du Bruyn, D (Dylan)
3 5 Tournament
2022 Milos Ristic Open Chess Tournament
Tournament
2022 Gauteng Schools Individual Chess Championship
date
2022-05-28
rnd
3
type
Standard
result
1
date
2022-06-18
rnd
2
type
Standard
result
1
Opponent
Ottermann, E (Erik)
Opponent
Seme, S (Sinethemba)
# Games Start End
1 12 Tournament
2023 Menlo Open Tournament
Tournament
2023 Gauteng Top Schools
date
2023-07-22
rnd
4
type
Standard
result
1
date
2023-08-18
rnd
5
type
Standard
result
1
Opponent
Loubser, L (Lara)
Opponent
Dyason, C (Ciana)
2 7 Tournament
Lardies Open Tournament 2023
Tournament
2024 Tshwane Chess OPEN Registration Tournament
date
2023-10-28
rnd
5
type
Standard
result
1
date
2024-01-27
rnd
1
type
Standard
result
1
Opponent
Buchner, E (Emil)
Opponent
Du Bruyn, D (Dylan)
3 5 Tournament
2022 Milos Ristic Open Chess Tournament
Tournament
2022 Gauteng Schools Individual Chess Championship
date
2022-05-28
rnd
3
type
Standard
result
1
date
2022-06-18
rnd
2
type
Standard
result
1
Opponent
Ottermann, E (Erik)
Opponent
Seme, S (Sinethemba)
# Games Start End
1 2 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
4
type
Rapid
result
1
date
2022-04-23
rnd
5
type
Rapid
result
1
Opponent
Viljoen, A (Aiko)
Opponent
Sutherland, Y (Yunay)
2 1 Tournament
Gauteng Top Schools 2024
Tournament
Gauteng Top Schools 2024
date
2024-10-05
rnd
2
type
Rapid
result
1
date
2024-10-05
rnd
2
type
Rapid
result
1
Opponent
Mabuza, K (Keitumetsi)
Opponent
Mabuza, K (Keitumetsi)
3 1 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
7
type
Rapid
result
1
date
2022-04-23
rnd
7
type
Rapid
result
1
Opponent
Coetzee, J (Juane)
Opponent
Coetzee, J (Juane)
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 Pillay ,K (Ketana) 5 2 -85 5 2 -85 0 0 0 0 0 0
1331.8 1246.8 1318.3 1246.8 0 0 0 0
2 Adamson ,A (Amani) 4 2 0 4 2 0 0 0 0 0 0 0
1167.4 1167.4 1157.1 1167.4 0 0 0 0
3 Maartens ,K (Kirsten) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1152.5 940 1154.1 940 0 0 0 0
4 Louw ,N (Nova) 4 2 0 4 2 0 0 0 0 0 0 0
1297.3 1297.3 1285.6 1297.3 0 0 0 0
5 Theron ,L (Lydia) 4 0 -425 3 0 -425 1 0 -425 0 0 0
1290 865 1259.7 865 1223.2 865 0 0
6 Loubser ,LA (Lilliene) 3 3 425 3 3 425 0 0 0 0 0 0
1175.9 1600.9 1169.5 1600.9 0 0 0 0
7 Viljoen ,A (Amber) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1188.4 1046.8 1181 1046.8 0 0 0 0
8 Bain ,M (Michael) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1272.2 1130.5 1267.9 1130.5 0 0 0 0
9 Mulamattathil ,R (Rehaan) 2 2 425 2 2 425 0 0 0 0 0 0
1383.6 1808.6 1382.9 1808.6 0 0 0 0
10 Campher ,H (Hannah) 2 2 425 2 2 425 0 0 0 0 0 0
1408.9 1833.9 1443 1833.9 0 0 0 0

Norms

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