PLAYER PAGE

Personal

Westermann, Z (Zelri)

Chess SA id

2160162781

FIDE id

?

Date of birth

2016-10-18 (U10)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-25

Personal details last changed

1900-01-01

Junior GPX Games

85

Junior GPX Points

1260.3

Item Main Standard Rapid Blitz
Rating 1305.6 1306.1 1200 1200
Raw rating 1293.1 1297.5 1200 1200
Weighted rating 1206.9 1207 1200 1200
Weighted performance 1305.6 1306.1 0 0
Floor 798 801 700 700
K-factor 36 36 36 36
Min/Max rating change allowed 145.2 144.3 165.8 165.8
Highest rating 1318.8
2025-09-01
1319.3
2025-09-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1298
2025-08-01
1301
2025-08-01
1200
2024-03-01
1200
2024-03-01
Highest weighted rating 1283.7
2018-10-01
1284.4
2018-10-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1318.8
2025-09-01
1319.3
2025-09-01
1200
2024-03-01
1200
2024-03-01

Prediction
Item Main Standard Rapid Blitz
Rating change -0.5 -0.5 0 0
New rating 1305.1 1305.6 1200 1200
Analysis
Rating 1305.6 1306.1 1200 1200
Raw rating 1293.1 1297.5 1200 1200
Weighted rating 1206.9 1207 1200
Weighted performance 1305.6 1306.1 0
K-factor 36 36 36 36
Floor 798 801 700 700
Max/Min rating change allowed 145.2 144.3 165.8 165.8
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 1293.1 1297.5 1200 1200
New weighted rating 1217.2 1217.9 1200 1200
New weighted performance 1305.1 1305.6 0 0
Temp new rating 1305.1 1305.6 1200 1200
Temp new rating +/- -0.5 -0.5 0 0
Final new rating +/- -0.5 -0.5 0 0
New rating 1305.1 1305.6 1200 1200
New K-factor 36 36 36 36
New floor 798 801 700 700

Item Main Standard Rapid Blitz
0 0 0 0
72 72 0 0
99 99 0 0
6 6 0 0
0 0 0 0
0 0 0 0
History 177 177 0 0

Games since
Main
177
Standard
177
Rapid
0
Blitz
0
Gender Female
Age group U10
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall 3139 1047 370
Female 645 212 82
U10 257 97 42
U10 Female 49 14 7
Standard
RSA Province Region
Overall 3000 1076 408
Female 616 212 86
U10 244 101 47
U10 Female 45 13 7
Rapid
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U10 -1 -1 -1
U10 Female -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U10 -1 -1 -1
U10 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 72 36.5 50.69 5.9 1276 1281.9
Standard 72 36.5 50.69 5.9 1276 1281.9
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 177 72.5 40.96 -76.8 1233.6 1156.8
Standard 177 72.5 40.96 -76.8 1233.6 1156.8
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1293.1 1297.5 1200 1200
2025-09-01 1293.1 1297.5 1200 1200
2025-08-01 1298 1301 1200 1200
2025-07-01 1283.7 1284.4 1200 1200
2025-06-01 1276.8 1279.2 1200 1200
2025-05-01 1247.6 1247.3 1200 1200
2025-04-01 1247.6 1247.3 1200 1200
2025-03-01 1228.1 1236.4 1200 1200
2025-02-01 1124.6 1120.5 1200 1200
2025-01-01 1133.8 1135 1200 1200
2024-12-01 1143.6 1145.4 1200 1200
2024-11-01 1143.6 1145.4 1200 1200
2024-10-01 1151.2 1147.9 1200 1200
2024-09-01 1147.3 1143.2 1200 1200
2024-08-01 1151.6 1140 1200 1200
2024-07-01 1194.3 1192.9 1200 1200
2024-06-01 1192.1 1191.6 1200 1200
2024-08-01 1029 1029.1 1200 1200
2024-04-01 1000.4 994.8 1200 1200
2024-03-01 1018 1013.5 1200 1200
2024-02-01 1047.3 1025.8 1200 1200
2024-01-01 1100.5 1089.5 1200 1200
2023-12-01 1100.5 1089.5 1200 1200
2023-11-01 1100.5 1089.5 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 Midstream Open Chess Tournament (U10) 2025-08-25 2025-08-25 Standard Tshwane (GTP) 5 5 3 Yes Analysis
2 2025 Gauteng North School District CLOSED League Finals - D1 (U11) 2025-08-16 2025-08-16 Standard Tshwane (GTP) 5 5 3 Yes Analysis
3 2025 Etienne Lewis Closed Chess Tournament (U10) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 2.5 Yes Analysis
4 2025 Menlo Open (U10) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
5 2025 Jacaranda Round Robin Open Chess Tournament (K) 2025-06-21 2025-06-21 Standard Tshwane (GTP) 5 5 2 Yes Analysis
6 2025 Elise Steenkamp Open Chess Tournament (Knight) 2025-06-14 2025-06-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
7 2025 Gauteng North School Individual Championships D1 (U9 Girls) 2025-05-17 2025-05-17 Standard Tshwane (GTP) 5 5 3 Yes Analysis
8 2025 Silver Lakes Chess Club Open Chess Tournament (U10) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
9 Lubowski Open 2025 (D2) 2025-03-21 2025-03-22 Standard Tshwane (GTP) 5 5 2 Yes Analysis
10 2025 Chris Greyling Open Chess Tournament (U10) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 2 Yes Analysis
11 AHS Open Chess Tournament 2025 (U10) 2025-03-01 2025-03-01 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
12 2025 Blou Bul Open Chess Tournament (E) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 3 Yes Analysis
13 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) 2025-02-01 2025-02-01 Standard Tshwane (GTP) 5 5 4 Yes Analysis
14 2025 Tshwane Chess OPEN Registration Tournament (U10) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 1 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Midstream Open Chess Tournament (U10) 2025-08-25 2025-08-25 Standard Tshwane (GTP) 5 5 3 Yes Analysis
2 2025 Gauteng North School District CLOSED League Finals - D1 (U11) 2025-08-16 2025-08-16 Standard Tshwane (GTP) 5 5 3 Yes Analysis
3 2025 Etienne Lewis Closed Chess Tournament (U10) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 2.5 Yes Analysis
4 2025 Menlo Open (U10) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
5 2025 Jacaranda Round Robin Open Chess Tournament (K) 2025-06-21 2025-06-21 Standard Tshwane (GTP) 5 5 2 Yes Analysis
6 2025 Elise Steenkamp Open Chess Tournament (Knight) 2025-06-14 2025-06-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
7 2025 Gauteng North School Individual Championships D1 (U9 Girls) 2025-05-17 2025-05-17 Standard Tshwane (GTP) 5 5 3 Yes Analysis
8 2025 Silver Lakes Chess Club Open Chess Tournament (U10) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
9 Lubowski Open 2025 (D2) 2025-03-21 2025-03-22 Standard Tshwane (GTP) 5 5 2 Yes Analysis
10 2025 Chris Greyling Open Chess Tournament (U10) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 2 Yes Analysis
11 AHS Open Chess Tournament 2025 (U10) 2025-03-01 2025-03-01 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
12 2025 Blou Bul Open Chess Tournament (E) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 3 Yes Analysis
13 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) 2025-02-01 2025-02-01 Standard Tshwane (GTP) 5 5 4 Yes Analysis
14 2025 Tshwane Chess OPEN Registration Tournament (U10) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 1 Yes Analysis
15 Gauteng Inter-Region at UJ 2024 (u10 gIRLS) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 1.5 Yes Analysis
16 2024 Gauteng North Open Chess Tournament (U10) 2024-10-05 2024-10-06 Standard Tshwane (GTP) 5 3 0 Yes Analysis
17 Gauteng Top Schools 2024 (U9 Open) 2024-10-04 2024-10-04 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
18 Centurion Chess Open Tournament 2024 (U10) 2024-09-21 2024-09-21 Standard Tshwane (GTP) 5 5 2 Yes Analysis
19 2024 Etienne Lewis (U10) 2024-08-30 2024-09-01 Standard Tshwane (GTP) 7 7 3 Yes Analysis
20 2024 Alekhine Open Chess Tournament (U10) 2024-08-09 2024-08-09 Standard Tshwane (GTP) 5 5 1 Yes Analysis
21 D1 Gauteng North District School Closed 2024 (U9) 2024-08-03 2024-08-03 Standard Tshwane (GTP) 5 5 3 Yes Analysis
22 2024 Midstream College Open Chess Tournament (U10) 2024-07-20 2024-07-20 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
23 Menlopark Open Chess Tournament 2024 (U10) 2024-07-13 2024-07-13 Standard Tshwane (GTP) 5 5 1 Yes Analysis
24 2024 Elise Steenkamp Open Chess Tournament (Bishops) 2024-06-15 2024-06-15 Standard Tshwane (GTP) 5 5 2 Yes Analysis
25 2024 Gauteng North School District Individual Championships - D1 (U9 Girls) 2024-05-11 2024-05-11 Standard Tshwane (GTP) 5 5 4 Yes Analysis
26 2024 Mid Gauteng Open Chess Tournament (U10) 2024-05-02 2024-05-02 Standard Tshwane (GTP) 5 5 2 Yes Analysis
27 2024 Milos Ristic Open Chess Tournament (U10) 2024-04-27 2024-04-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
28 2024 KSNG CHess Academy Open Tournament (E) 2024-04-06 2024-04-06 Standard Tshwane (GTP) 5 5 1 Yes Analysis
29 2024 Wynie Robbertse Chess Tournament (E) 2024-03-02 2024-03-02 Standard Tshwane (GTP) 5 5 1 Yes Analysis
30 2024 Tshwane Chess AHS Open Chess Tournament (E) 2024-02-24 2024-02-24 Standard Tshwane (GTP) 5 5 2 Yes Analysis
31 2024 Constantiapark Open (E) 2024-02-17 2024-02-17 Standard Tshwane (GTP) 5 5 2 Yes Analysis
32 2024 Piet Robbertse Open Chess Tournament (E) 2024-02-03 2024-02-03 Standard Tshwane (GTP) 5 5 1 Yes Analysis
33 2024 Blou Bul Open Chess Tournament (E) 2024-02-10 2024-02-10 Standard Tshwane (GTP) 5 4 1 Yes Analysis
34 2024 Tshwane Chess OPEN Registration Tournament (E) 2024-01-27 2024-01-27 Standard Tshwane (GTP) 5 5 1 Yes Analysis
35 2023 Gauteng Noord (F) 2023-10-14 2023-10-14 Standard Tshwane (GTP) 6 6 0 Yes Analysis

Top 3 Streaks

# Games Start End
1 5 Tournament
2024 Midstream College Open Chess Tournament
Tournament
D1 Gauteng North District School Closed 2024
date
2024-07-20
rnd
3
type
Standard
result
1
date
2024-08-03
rnd
2
type
Standard
result
1
Opponent
Mogano, O (O'Bonolo)
Opponent
Maroga, T (Temoso)
2 4 Tournament
2025 Piet Robbertse Fide Rated Open Chess Tournament
Tournament
2025 Piet Robbertse Fide Rated Open Chess Tournament
date
2025-02-01
rnd
1
type
Standard
result
1
date
2025-02-01
rnd
4
type
Standard
result
1
Opponent
Mokwena, Y (Yaseen)
Opponent
Lekalakala, T (Tshimologo)
3 3 Tournament
2025 Midstream Open Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-25
rnd
3
type
Standard
result
1
date
2025-08-25
rnd
5
type
Standard
result
1
Opponent
Myakayaka, A (Angulo)
Opponent
Ebersohn, C (Christiaan)
# Games Start End
1 5 Tournament
2024 Midstream College Open Chess Tournament
Tournament
D1 Gauteng North District School Closed 2024
date
2024-07-20
rnd
3
type
Standard
result
1
date
2024-08-03
rnd
2
type
Standard
result
1
Opponent
Mogano, O (O'Bonolo)
Opponent
Maroga, T (Temoso)
2 4 Tournament
2025 Piet Robbertse Fide Rated Open Chess Tournament
Tournament
2025 Piet Robbertse Fide Rated Open Chess Tournament
date
2025-02-01
rnd
1
type
Standard
result
1
date
2025-02-01
rnd
4
type
Standard
result
1
Opponent
Mokwena, Y (Yaseen)
Opponent
Lekalakala, T (Tshimologo)
3 3 Tournament
2025 Midstream Open Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-25
rnd
3
type
Standard
result
1
date
2025-08-25
rnd
5
type
Standard
result
1
Opponent
Myakayaka, A (Angulo)
Opponent
Ebersohn, C (Christiaan)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 4 Tournament
2025 Piet Robbertse Fide Rated Open Chess Tournament
Tournament
2025 Piet Robbertse Fide Rated Open Chess Tournament
date
2025-02-01
rnd
1
type
Standard
result
1
date
2025-02-01
rnd
4
type
Standard
result
1
Opponent
Mokwena, Y (Yaseen)
Opponent
Lekalakala, T (Tshimologo)
2 3 Tournament
2025 Midstream Open Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-25
rnd
3
type
Standard
result
1
date
2025-08-25
rnd
5
type
Standard
result
1
Opponent
Myakayaka, A (Angulo)
Opponent
Ebersohn, C (Christiaan)
3 3 Tournament
2025 Gauteng North School District CLOSED League Finals - D1
Tournament
2025 Gauteng North School District CLOSED League Finals - D1
date
2025-08-16
rnd
1
type
Standard
result
1
date
2025-08-16
rnd
3
type
Standard
result
1
Opponent
Ntsocine, B (Bokang)
Opponent
Du Toit, W (Wilco)
# Games Start End
1 4 Tournament
2025 Piet Robbertse Fide Rated Open Chess Tournament
Tournament
2025 Piet Robbertse Fide Rated Open Chess Tournament
date
2025-02-01
rnd
1
type
Standard
result
1
date
2025-02-01
rnd
4
type
Standard
result
1
Opponent
Mokwena, Y (Yaseen)
Opponent
Lekalakala, T (Tshimologo)
2 3 Tournament
2025 Midstream Open Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-25
rnd
3
type
Standard
result
1
date
2025-08-25
rnd
5
type
Standard
result
1
Opponent
Myakayaka, A (Angulo)
Opponent
Ebersohn, C (Christiaan)
3 3 Tournament
2025 Gauteng North School District CLOSED League Finals - D1
Tournament
2025 Gauteng North School District CLOSED League Finals - D1
date
2025-08-16
rnd
1
type
Standard
result
1
date
2025-08-16
rnd
3
type
Standard
result
1
Opponent
Ntsocine, B (Bokang)
Opponent
Du Toit, W (Wilco)
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 Grobbelaar ,M (Mari) 6 2 -141.7 6 2 -141.7 0 0 0 0 0 0
1282.3 1140.6 1269.7 1140.6 0 0 0 0
2 Kgwale ,K (Keratilwe) 5 1 -255 5 1 -255 0 0 0 0 0 0
1359.5 1104.5 1367.2 1104.5 0 0 0 0
3 Dixon ,G (Genevieve) 5 0.5 -340 5 0.5 -340 0 0 0 0 0 0
1270.6 930.6 1268 930.6 0 0 0 0
4 Zhang ,Y (Yufeng) 4 0 -425 4 0 -425 0 0 0 0 0 0
1253.3 828.3 1245.6 828.3 0 0 0 0
5 Westermann ,I (Inge) 4 0 -425 4 0 -425 0 0 0 0 0 0
1304.1 879.1 1301.6 879.1 0 0 0 0
6 Haupt ,D (Dawid) 4 2 0 4 2 0 0 0 0 0 0 0
1102.9 1102.9 1093.8 1102.9 0 0 0 0
7 Bosch Dippenaar ,B (Benjamin) 3 3 425 3 3 425 0 0 0 0 0 0
1174.3 1599.3 1171.2 1599.3 0 0 0 0
8 Venter ,S (Stephan) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1149.9 1291.6 1142.7 1291.6 0 0 0 0
9 Zhu ,H (Hengyu) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1232.5 1374.2 1226.4 1374.2 0 0 0 0
10 Nawrattel ,A (Abigail) 3 0 -425 3 0 -425 0 0 0 0 0 0
1275.6 850.6 1258.5 850.6 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa