PLAYER PAGE

Personal

Van Der Merwe, ZC (Zander Christiaan)

Chess SA id

1140134245

FIDE id

?

Date of birth

2014-05-27 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

76

Junior GPX Points

1473.2

Item Main Standard Rapid Blitz
Rating 1536.1 1535.5 1200 1200
Raw rating 1536.1 1535.5 1200 1200
Weighted rating 1493.4 1490.3 1200 1200
Weighted performance 1504.2 1504.2 0 0
Floor 1047 1045.8 700 700
K-factor 32 32 36 36
Min/Max rating change allowed 102.7 102.8 165.8 165.8
Highest rating 1551.9
2025-09-01
1545.8
2025-09-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1547
2025-09-01
1545.8
2025-09-01
1200
2024-02-01
1200
2024-02-01
Highest weighted rating 1493.4
2025-11-01
1490.3
2025-11-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1551.9
2025-09-01
1545.3
2025-09-01
1200
2024-02-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1536.1 1535.5 1200 1200
Analysis
Rating 1536.1 1535.5 1200 1200
Raw rating 1536.1 1535.5 1200 1200
Weighted rating 1493.4 1490.3 1200
Weighted performance 1504.2 1504.2 0
K-factor 32 32 36 36
Floor 1047 1045.8 700 700
Max/Min rating change allowed 102.7 102.8 165.8 165.8
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 1536.1 1535.5 1200 1200
New weighted rating 1499.8 1496.9 1200 1200
New weighted performance 1495.2 1495.3 0 0
Temp new rating 1536.1 1535.5 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1536.1 1535.5 1200 1200
New K-factor 32 32 36 36
New floor 1047 1045.8 700 700

Item Main Standard Rapid Blitz
0 0 0 0
61 61 0 0
74 74 0 0
51 51 0 0
30 30 0 0
9 9 0 0
History 225 225 0 0

Games since
Main
135
Standard
135
Rapid
0
Blitz
0
Gender Male
Age group U12
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall 1012 361 137
Male 885 307 118
U12 89 42 15
U12 Male 70 29 10
Standard
RSA Province Region
Overall 970 371 138
Male 845 317 120
U12 90 44 15
U12 Male 70 30 10
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U12 -1 -1 -1
U12 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U12 -1 -1 -1
U12 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 61 38.5 63.11 111.5 1407.6 1519.1
Standard 61 38.5 63.11 111.5 1407.6 1519.1
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 225 146 64.89 126.6 1294.6 1421.1
Standard 225 146 64.89 126.6 1294.6 1421.1
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-11-01 1536.1 1535.5 1200 1200
2025-09-30 1547 1545.8 1200 1200
2025-09-01 1547 1545.8 1200 1200
2025-08-01 1507.1 1501.3 1200 1200
2025-07-01 1509.7 1503.9 1200 1200
2025-06-01 1509.7 1503.9 1200 1200
2025-05-01 1525.5 1522.3 1200 1200
2025-04-01 1525.5 1522.3 1200 1200
2025-03-01 1526.5 1525.1 1200 1200
2025-02-01 1529.8 1530.1 1200 1200
2025-01-01 1536.1 1532.3 1200 1200
2024-12-01 1458.9 1458.1 1200 1200
2024-11-01 1429.2 1430.3 1200 1200
2024-10-01 1397.3 1391.6 1200 1200
2024-09-01 1443.4 1435.8 1200 1200
2024-08-01 1456.4 1450.8 1200 1200
2024-07-01 1429.3 1423.4 1200 1200
2024-09-01 1401.8 1403.6 1200 1200
2024-05-01 1346.8 1337.4 1200 1200
2024-04-01 1360.9 1353.4 1200 1200
2024-03-01 1360.9 1353.4 1200 1200
2024-02-01 1379.5 1376.8 1200 1200
2024-01-01 1339.2 1335.8 1200 1200
2023-12-01 1339.2 1335.8 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 Gauteng Top Schools Teams (U11) 2025-08-29 2025-08-29 Standard Tshwane (GTP) 5 5 3 Yes Analysis
2 2025 Midstream Open Chess Tournament (U12) 2025-08-25 2025-08-25 Standard Tshwane (GTP) 5 5 3 Yes Analysis
3 2025 Tshwane South School District CLOSED League Championship (U11A) 2025-08-15 2025-08-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
4 2025 Etienne Lewis Closed Chess Tournament (U12) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 4.5 Yes Analysis
5 Lonehill Chess Academy - 1st Rated Tournament 2025 (B) 2025-08-02 2025-08-02 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
6 2025 Menlo Open (U12) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
7 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) 2025-05-10 2025-05-10 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
8 2025 Silver Lakes Chess Club Open Chess Tournament (U12) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 4 Yes Analysis
9 2025 Chris Greyling Open Chess Tournament (U12) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
10 Constantiapark Open 2025 (U12) 2025-02-15 2025-02-15 Standard Tshwane (GTP) 5 5 4 Yes Analysis
11 2025 Piet Robbertse Fide Rated Open Chess Tournament (B) 2025-02-01 2025-02-02 Standard Tshwane (GTP) 5 4 1 Yes Analysis
12 2025 Tshwane Chess OPEN Registration Tournament (U12) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 3 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Gauteng Top Schools Teams (U11) 2025-08-29 2025-08-29 Standard Tshwane (GTP) 5 5 3 Yes Analysis
2 2025 Midstream Open Chess Tournament (U12) 2025-08-25 2025-08-25 Standard Tshwane (GTP) 5 5 3 Yes Analysis
3 2025 Tshwane South School District CLOSED League Championship (U11A) 2025-08-15 2025-08-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
4 2025 Etienne Lewis Closed Chess Tournament (U12) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 4.5 Yes Analysis
5 Lonehill Chess Academy - 1st Rated Tournament 2025 (B) 2025-08-02 2025-08-02 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
6 2025 Menlo Open (U12) 2025-07-26 2025-07-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
7 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) 2025-05-10 2025-05-10 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
8 2025 Silver Lakes Chess Club Open Chess Tournament (U12) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 4 Yes Analysis
9 2025 Chris Greyling Open Chess Tournament (U12) 2025-03-15 2025-03-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
10 Constantiapark Open 2025 (U12) 2025-02-15 2025-02-15 Standard Tshwane (GTP) 5 5 4 Yes Analysis
11 2025 Piet Robbertse Fide Rated Open Chess Tournament (B) 2025-02-01 2025-02-02 Standard Tshwane (GTP) 5 4 1 Yes Analysis
12 2025 Tshwane Chess OPEN Registration Tournament (U12) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 3 Yes Analysis
13 Gauteng Inter-Region at UJ 2024 (U12 Candidates) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 5 Yes Analysis
14 Lardies Ope 2024 (U12) 2024-10-26 2024-10-26 Standard Tshwane (GTP) 5 5 4 Yes Analysis
15 Gauteng Top Schools 2024 (U11 Open) 2024-10-04 2024-10-04 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
16 2024 Etienne Lewis (U12) 2024-08-30 2024-09-01 Standard Tshwane (GTP) 7 7 3 Yes Analysis
17 Gauteng Schools Individuals Finals 2024 (U11 Boys) 2024-08-16 2024-08-16 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
18 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) 2024-08-03 2024-08-03 Standard Tshwane (GTP) 5 5 3 Yes Analysis
19 2024 Midstream College Open Chess Tournament (U12) 2024-07-20 2024-07-20 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
20 2024 Elise Steenkamp Open Chess Tournament (Kings) 2024-06-15 2024-06-17 Standard Tshwane (GTP) 7 7 3 Yes Analysis
21 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) 2024-05-11 2024-05-11 Standard Tshwane (GTP) 5 5 5 Yes Analysis
22 2024 Silver Lakes Open Chess Tournament (D2) 2024-04-20 2024-04-20 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
23 2024 Constantiapark Open (D1) 2024-02-17 2024-02-17 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
24 2024 Blou Bul Open Chess Tournament (D) 2024-02-10 2024-02-10 Standard Tshwane (GTP) 5 5 3 Yes Analysis
25 2024 Tshwane Chess OPEN Registration Tournament (D1) 2024-01-27 2024-01-27 Standard Tshwane (GTP) 5 5 3 Yes Analysis
26 2024 Gauteng Inter-Region Chess Championship (U10B) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 4.5 Yes Analysis
27 Lardies Open Tournament 2023 (D1) 2023-10-28 2023-10-28 Standard Tshwane (GTP) 5 4 2.5 Yes Analysis
28 2023 Centurion Chess Open (D) 2023-09-23 2023-09-23 Standard Tshwane (GTP) 5 5 3 Yes Analysis
29 2023 Gauteng Top Schools (U9 Mixed) 2023-08-18 2023-08-18 Standard West Rand (GWR) 5 5 4 Yes Analysis
30 2023 Woman's Day Open Chess Tournament (Knight) 2023-08-09 2023-08-09 Standard Tshwane (GTP) 5 5 3 Yes Analysis
31 2023 Etienne Lewis Closed Tournament (U10) 2023-08-25 2023-08-27 Standard Tshwane (GTP) 7 7 4.5 Yes Analysis
32 2023 Tshwane South School District CLOSED League Championship (U9) 2023-07-29 2023-07-29 Standard Tshwane (GTP) 5 5 1 Yes Analysis
33 2023 Milos Ristic Open Tournament (D1) 2023-04-27 2023-04-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
34 Laerskool Constantiapark Open Chess Tournament 2023 (U10) 2023-02-18 2023-02-18 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
35 2023 Piet Robbertse Fide Rated Open Chess Tournament (E) 2023-02-04 2023-02-04 Standard Tshwane (GTP) 5 5 5 Yes Analysis
36 2023 Tshwane Chess Open Registration Tournament (E) 2023-01-28 2023-01-28 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
37 2022 Alekhine Open (E) 2022-08-13 2022-08-13 Standard Tshwane (GTP) 5 5 2 Yes Analysis
38 2022 Gauteng Schools Team Championships (U9 Open) 2022-08-27 2022-08-27 Standard Tshwane (GTP) 5 5 4 Yes Analysis
39 D4 Play Offs 2022 (U9) 2022-07-30 2022-07-30 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
40 2022 Chris Greyling Open (E) 2022-03-12 2022-03-12 Standard Tshwane (GTP) 5 5 4.5 Yes Analysis
41 CP Ope 2022 (E) 2022-02-19 2022-02-19 Standard Tshwane (GTP) 5 5 5 Yes Analysis
42 2022 Tshwane Chess Open Registration Tournament (E) 2022-01-29 2022-01-29 Standard Tshwane (GTP) 5 5 3 Yes Analysis
43 2021 Lardies Ope (F) 2021-10-30 2021-10-30 Standard Tshwane (GTP) 5 5 3 Yes Analysis
44 2021 Chris Greyling Open Tournament (F) 2021-05-08 2021-05-08 Standard Tshwane (GTP) 5 4 1.5 Yes Analysis

Top 3 Streaks

# Games Start End
1 10 Tournament
Lardies Open Tournament 2023
Tournament
2024 Tshwane Chess OPEN Registration Tournament
date
2023-10-28
rnd
4
type
Standard
result
1
date
2024-01-27
rnd
3
type
Standard
result
1
Opponent
Muller, H (Heinerich)
Opponent
Rajagpaul, C (Cole)
2 10 Tournament
CP Ope 2022
Tournament
2022 Chris Greyling Open
date
2022-02-19
rnd
1
type
Standard
result
1
date
2022-03-12
rnd
5
type
Standard
result
1
Opponent
Myburgh, V (Van Zyl)
Opponent
Ottermann, E (Erik)
3 9 Tournament
2023 Tshwane Chess Open Registration Tournament
Tournament
Laerskool Constantiapark Open Chess Tournament 2023
date
2023-01-28
rnd
5
type
Standard
result
1
date
2023-02-18
rnd
3
type
Standard
result
0.5
Opponent
Bornman, R (Rousseau)
Opponent
Haupt, A (Abigail)
# Games Start End
1 10 Tournament
Lardies Open Tournament 2023
Tournament
2024 Tshwane Chess OPEN Registration Tournament
date
2023-10-28
rnd
4
type
Standard
result
1
date
2024-01-27
rnd
3
type
Standard
result
1
Opponent
Muller, H (Heinerich)
Opponent
Rajagpaul, C (Cole)
2 10 Tournament
CP Ope 2022
Tournament
2022 Chris Greyling Open
date
2022-02-19
rnd
1
type
Standard
result
1
date
2022-03-12
rnd
5
type
Standard
result
1
Opponent
Myburgh, V (Van Zyl)
Opponent
Ottermann, E (Erik)
3 9 Tournament
2023 Tshwane Chess Open Registration Tournament
Tournament
Laerskool Constantiapark Open Chess Tournament 2023
date
2023-01-28
rnd
5
type
Standard
result
1
date
2023-02-18
rnd
3
type
Standard
result
0.5
Opponent
Bornman, R (Rousseau)
Opponent
Haupt, A (Abigail)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 8 Tournament
2023 Tshwane Chess Open Registration Tournament
Tournament
Laerskool Constantiapark Open Chess Tournament 2023
date
2023-01-28
rnd
5
type
Standard
result
1
date
2023-02-18
rnd
2
type
Standard
result
1
Opponent
Bornman, R (Rousseau)
Opponent
De Klerk, O (Oliver)
2 7 Tournament
2025 Etienne Lewis Closed Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-10
rnd
7
type
Standard
result
1
date
2025-08-25
rnd
1
type
Standard
result
1
Opponent
Lekalakala, R (Realeboga Blessings)
Opponent
Machete, T (Tiisetso)
3 7 Tournament
Gauteng Inter-Region at UJ 2024
Tournament
2025 Tshwane Chess OPEN Registration Tournament
date
2024-12-07
rnd
1
type
Standard
result
1
date
2025-01-25
rnd
2
type
Standard
result
1
Opponent
Mahale, A (Agastya)
Opponent
Dixon, G (Genevieve)
# Games Start End
1 8 Tournament
2023 Tshwane Chess Open Registration Tournament
Tournament
Laerskool Constantiapark Open Chess Tournament 2023
date
2023-01-28
rnd
5
type
Standard
result
1
date
2023-02-18
rnd
2
type
Standard
result
1
Opponent
Bornman, R (Rousseau)
Opponent
De Klerk, O (Oliver)
2 7 Tournament
2025 Etienne Lewis Closed Chess Tournament
Tournament
2025 Midstream Open Chess Tournament
date
2025-08-10
rnd
7
type
Standard
result
1
date
2025-08-25
rnd
1
type
Standard
result
1
Opponent
Lekalakala, R (Realeboga Blessings)
Opponent
Machete, T (Tiisetso)
3 7 Tournament
Gauteng Inter-Region at UJ 2024
Tournament
2025 Tshwane Chess OPEN Registration Tournament
date
2024-12-07
rnd
1
type
Standard
result
1
date
2025-01-25
rnd
2
type
Standard
result
1
Opponent
Mahale, A (Agastya)
Opponent
Dixon, G (Genevieve)
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 Barkhuizen ,SJ (Simon Jurgens) 7 3.5 0 7 3.5 0 0 0 0 0 0 0
1492.6 1492.6 1488.9 1492.6 0 0 0 0
2 Bienedell ,R (Robin) 6 2 -141.7 6 2 -141.7 0 0 0 0 0 0
1468.6 1326.9 1458.5 1326.9 0 0 0 0
3 Janse Van Rensburg ,J (Josh) 5 0.5 -340 5 0.5 -340 0 0 0 0 0 0
1443.3 1103.3 1436.3 1103.3 0 0 0 0
4 Lekalakala ,R (Realeboga Blessings) 4 3 212.5 4 3 212.5 0 0 0 0 0 0
1310.2 1522.7 1306.4 1522.7 0 0 0 0
5 Erwee ,HP (Hermanus Philipus) 4 3 212.5 4 3 212.5 0 0 0 0 0 0
1258 1470.5 1252.2 1470.5 0 0 0 0
6 Roberts ,F (Frans-Leigh) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1217.2 1004.7 1212.8 1004.7 0 0 0 0
7 Loots ,M (Mia) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1353.1 1494.8 1354.9 1494.8 0 0 0 0
8 Vosloo ,D (De Waal) 3 0 -425 3 0 -425 0 0 0 0 0 0
1528.2 1103.2 1521.5 1103.2 0 0 0 0
9 Sutherland ,K (Kiona) 3 3 425 3 3 425 0 0 0 0 0 0
1186.5 1611.5 1188.9 1611.5 0 0 0 0
10 Wolvaardt ,J (Jonathan) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1381.6 1523.3 1398.3 1523.3 0 0 0 0

Norms

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