PLAYER PAGE

Zander Christiaan Van Der Merwe

1140134245
Tshwane (GTP)
Personal
Main rating
Rating 1486.3
K-factor 32
Floor 1089.6
Highest 1589.6 (2026-01-01)
Min/Max +/- allowed 95
Rating Change
()
Games 9
Score 4.5
We 3.17
SWe 1.33
Temp +/- 42.7
Penalties 0
Weight perform 1448.1
Final +/- +42.7
New Rating
()
Rating 1529
K-factor 32
Floor 1089.6
Highest 1589.6 (2026-01-01)
Min/Max +/- allowed 95.2
Standard rating
Rating 1478.5
K-factor 32
Floor 1096.3
Highest 1596.3 (2026-01-01)
Min/Max +/- allowed 94.3
Rating Change
()
Games 9
Score 4.5
We 3.18
SWe 1.32
Temp +/- 42.1
Penalties 0
Weight perform 1448.1
Final +/- +42.1
New Rating
()
Rating 1520.6
K-factor 32
Floor 1096.3
Highest 1596.3 (2026-01-01)
Min/Max +/- allowed 94.3
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U12 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1486.3 9 4.5 1617.6 42.7 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 MCA Summer Heat Classic 2026 (Advanced) Standard 2026-03-21 2026-03-21 Johannesburg Metro (GJM) 5 1541.7 5 3 1416.3 -18.1 Details
2 2026 Blou Bull Chess Tournament (B) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1541.7 5 1 1310.6 -37.2 Details
3 2026 Piet Robbertse Open Chess Tournament (B) Standard 2026-02-07 2026-02-08 Tshwane (GTP) 5 1589.7 5 1.5 1375.5 -24.4 Details
4 2026 Tshwane Chess Registration Tournament (B) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1589.7 5 2.5 1539.3 -5.5 Details
5 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1536 6 3 1391.2 -20.2 Details
6 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1536 6 5 1735.3 23.4 Details
7 Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1536 5 5 1815.9 30.3 Details
8 2025 Gauteng Top Schools Teams (U11) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1547 5 3 1482.1 -6.8 Details
9 2025 Midstream Open Chess Tournament (U12) Standard 2025-08-25 2025-08-25 Tshwane (GTP) 5 1507.1 5 3 1474.6 -2.3 Details
10 2025 Tshwane South School District CLOSED League Championship (U11A) Standard 2025-08-15 2025-08-15 Tshwane (GTP) 5 1507.1 5 5 1746.5 24.2 Details
11 2025 Etienne Lewis Closed Chess Tournament (U12) Standard 2025-08-08 2025-08-10 Tshwane (GTP) 7 1507.1 7 4.5 1601.5 15.4 Details
12 Lonehill Chess Academy - 1st Rated Tournament 2025 (B) Standard 2025-08-02 2025-08-02 Johannesburg Metro (GJM) 5 1507.1 5 2.5 1385.8 -12.4 Details
13 2025 Menlo Open (U12) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1509.7 5 3 1484.9 -1.7 Details
14 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) Standard 2025-05-10 2025-05-10 Tshwane (GTP) 5 1525.5 5 2.5 1334.4 -17.8 Details
15 2025 Silver Lakes Chess Club Open Chess Tournament (U12) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1525.5 5 4 1611.5 8 Details
16 2025 Chris Greyling Open Chess Tournament (U12) Standard 2025-03-15 2025-03-15 Tshwane (GTP) 5 1526.5 5 3 1525.9 -0.7 Details
17 Constantiapark Open 2025 (U12) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1529.8 5 4 1690.9 15.1 Details
18 2025 Piet Robbertse Fide Rated Open Chess Tournament (B) Standard 2025-02-01 2025-02-02 Tshwane (GTP) 5 1529.8 4 1 1321.8 -19.9 Details
19 2025 Tshwane Chess OPEN Registration Tournament (U12) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1536.1 5 3 1496.5 -4.5 Details
20 Gauteng Inter-Region at UJ 2024 (U12 Candidates) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1458.9 5 5 1694 27 Details
21 Lardies Ope 2024 (U12) Standard 2024-10-26 2024-10-26 Tshwane (GTP) 5 1429.2 5 4 1586.6 14.8 Details
22 Gauteng Top Schools 2024 (U11 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1397.3 5 4 1608.7 19.9 Details
23 2024 Etienne Lewis (U12) Standard 2024-08-30 2024-09-01 Tshwane (GTP) 7 1443.4 7 3 1211.9 -36.2 Details
24 Gauteng Schools Individuals Finals 2024 (U11 Boys) Standard 2024-08-16 2024-08-16 Ekurhuleni (GE) 5 1443.4 5 4 1510.1 7.5 Details
25 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) Standard 2024-08-03 2024-08-03 Tshwane (GTP) 5 1456.4 5 3 1364.9 -8.1 Details
26 2024 Midstream College Open Chess Tournament (U12) Standard 2024-07-20 2024-07-20 Tshwane (GTP) 5 1429.3 5 3.5 1493 6.8 Details
27 2024 Elise Steenkamp Open Chess Tournament (Kings) Standard 2024-06-15 2024-06-17 Tshwane (GTP) 7 1401.8 7 3 1471.8 11.6 Details
28 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) Standard 2024-05-11 2024-05-11 Tshwane (GTP) 5 1346.8 5 5 1690.2 34.4 Details
29 2024 Silver Lakes Open Chess Tournament (D2) Standard 2024-04-20 2024-04-20 Tshwane (GTP) 5 1360.9 5 2.5 1278 -8.8 Details
30 2024 Constantiapark Open (D1) Standard 2024-02-17 2024-02-17 Tshwane (GTP) 5 1379.5 5 2.5 1293.7 -7.6 Details
31 2024 Blou Bul Open Chess Tournament (D) Standard 2024-02-10 2024-02-10 Tshwane (GTP) 5 1379.5 5 3 1329.8 -4 Details
32 2024 Tshwane Chess OPEN Registration Tournament (D1) Standard 2024-01-27 2024-01-27 Tshwane (GTP) 5 1339.2 5 3 1274.3 -5.5 Details
33 2024 Gauteng Inter-Region Chess Championship (U10B) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1339.2 5 4.5 1624.3 30.6 Details
34 Lardies Open Tournament 2023 (D1) Standard 2023-10-28 2023-10-28 Tshwane (GTP) 5 1348 4 2.5 1232.2 -5.5 Details
35 2023 Centurion Chess Open (D) Standard 2023-09-23 2023-09-23 Tshwane (GTP) 5 1365 5 3 1246.2 -10.6 Details
36 2023 Gauteng Top Schools (U9 Mixed) Standard 2023-08-18 2023-08-18 West Rand (GWR) 5 1295.8 5 4 1472.7 18.1 Details
37 2023 Woman's Day Open Chess Tournament (Knight) Standard 2023-08-09 2023-08-09 Tshwane (GTP) 5 1295.8 5 3 1378.3 8.8 Details
38 2023 Etienne Lewis Closed Tournament (U10) Standard 2023-08-25 2023-08-27 Tshwane (GTP) 7 1295.8 7 4.5 1406.6 16.3 Details
39 2023 Tshwane South School District CLOSED League Championship (U9) Standard 2023-07-29 2023-07-29 Tshwane (GTP) 5 1343.6 5 1 1044.4 -29.9 Details
40 2023 Milos Ristic Open Tournament (D1) Standard 2023-04-27 2023-04-27 Tshwane (GTP) 5 1395.4 5 2 1053.9 -32.4 Details
41 Laerskool Constantiapark Open Chess Tournament 2023 (U10) Standard 2023-02-18 2023-02-18 Tshwane (GTP) 5 1350.2 5 3.5 1351.3 -0.3 Details
42 2023 Piet Robbertse Fide Rated Open Chess Tournament (E) Standard 2023-02-04 2023-02-04 Tshwane (GTP) 5 1350.2 5 5 1600.9 28.7 Details
43 2023 Tshwane Chess Open Registration Tournament (E) Standard 2023-01-28 2023-01-28 Tshwane (GTP) 5 1365.1 5 3.5 1275.5 -9.1 Details
44 2022 Alekhine Open (E) Standard 2022-08-13 2022-08-13 Tshwane (GTP) 5 1389.4 5 2 1173 -24.6 Details
45 2022 Gauteng Schools Team Championships (U9 Open) Standard 2022-08-27 2022-08-27 Tshwane (GTP) 5 1389.4 5 4 1491.3 9.5 Details
46 D4 Play Offs 2022 (U9) Standard 2022-07-30 2022-07-30 Tshwane (GTP) 5 1418.1 5 2.5 1225.1 -17.9 Details
47 2022 Chris Greyling Open (E) Standard 2022-03-12 2022-03-12 Tshwane (GTP) 5 1295.6 5 4.5 1531.4 22.4 Details
48 CP Ope 2022 (E) Standard 2022-02-19 2022-02-19 Tshwane (GTP) 5 1220.6 5 5 1656.5 41.8 Details
49 2022 Tshwane Chess Open Registration Tournament (E) Standard 2022-01-29 2022-01-29 Tshwane (GTP) 5 1217.6 5 3 1227.3 1.7 Details
50 2021 Lardies Ope (F) Standard 2021-10-30 2021-10-30 Tshwane (GTP) 5 1186.1 5 3 1342.4 15.9 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 29
Wins 11
Draws 3
Losses 15
White 16
Black 13
White wins 6
Black wins 5
Score 12.5
Percent 43.1
Dp -58.6
AOR 1533.4
Performance 1474.7
Game statistics (History)
Games 271
Wins 157
Draws 29
Losses 85
White 137
Black 134
White wins 84
Black wins 73
Score 171.5
Percent 63.3
Dp 112.9
AOR 1327.5
Performance 1440.4
Rankings (Main)
National
Overall 2031
Gender 1775
Age group 194
Gender/Age 146
Provincial
Overall 695
Gender 601
Age group 65
Gender/Age 50
Regional
Overall 254
Gender 216
Age group 23
Gender/Age 15
Rankings (Standard)
National
Overall 1998
Gender 1723
Age group 203
Gender/Age 150
Provincial
Overall 704
Gender 605
Age group 69
Gender/Age 51
Regional
Overall 259
Gender 220
Age group 23
Gender/Age 15
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 9
Score 4.5
Percent 50
Aor 1617.6
Dp 0
Prat 1617.6
Performance ()
Games 29
Score 12.5
Percent 43.1
Aor 1533.4
Dp -58.6
Prat 1474.7
Performance (12 months)
Games 88
Score 53
Percent 60.2
Aor 1440.5
Dp 86.9
Prat 1527.5
Performance (History)
Games 271
Score 171.5
Percent 63.3
Aor 1327.5
Dp 112.9
Prat 1440.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Barkhuizen, SJ (Simon Jurgens) 7 5 2 2021 Lardies Ope (F) 2025 Midstream Open Chess Tournament (U12) Details
Overall 2 Bienedell, R (Robin) 6 4 2 2023 Etienne Lewis Closed Tournament (U10) 2025 Gauteng Top Schools Teams (U11) Details
Overall 3 Janse Van Rensburg, J (Josh) 5 2 3 2023 Tshwane South School District CLOSED League Championship (U9) 2025 Silver Lakes Chess Club Open Chess Tournament (U12) Details
Overall 4 Roberts, F (Frans-Leigh) 4 1 3 2022 Chris Greyling Open (E) Laerskool Constantiapark Open Chess Tournament 2023 (U10) Details
Overall 5 Lekalakala, R (Realeboga Blessings) 4 0 4 2023 Piet Robbertse Fide Rated Open Chess Tournament (E) 2025 Etienne Lewis Closed Chess Tournament (U12) Details
Standard 1 Barkhuizen, SJ (Simon Jurgens) 7 5 2 2021 Lardies Ope (F) 2025 Midstream Open Chess Tournament (U12) Details
Standard 2 Bienedell, R (Robin) 6 4 2 2023 Etienne Lewis Closed Tournament (U10) 2025 Gauteng Top Schools Teams (U11) Details
Standard 3 Janse Van Rensburg, J (Josh) 5 2 3 2023 Tshwane South School District CLOSED League Championship (U9) 2025 Silver Lakes Chess Club Open Chess Tournament (U12) Details
Standard 4 Erwee, HP (Hermanus Philipus) 4 1 3 2021 Chris Greyling Open Tournament (F) 2025 Etienne Lewis Closed Chess Tournament (U12) Details
Standard 5 Vosloo, D (De Waal) 4 1 3 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) 2026 Piet Robbertse Open Chess Tournament (B) Details