PLAYER PAGE

Zoe Gerber

2160143809
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1340.2
K-factor 36
Floor 882.1
Highest 1455.4 (2026-01-01)
Min/Max +/- allowed 115
Rating Change
()
Games 9
Score 5
We 3.41
SWe 1.59
Temp +/- 57.1
Penalties 0
Weight perform 1376.3
Final +/- +57.1
New Rating
()
Rating 1397.3
K-factor 36
Floor 882.1
Highest 1455.4 (2026-01-01)
Min/Max +/- allowed 115.2
Standard rating
Rating 1341.9
K-factor 36
Floor 887.7
Highest 1456.2 (2026-01-01)
Min/Max +/- allowed 115.1
Rating Change
()
Games 9
Score 5
We 3.5
SWe 1.5
Temp +/- 53.9
Penalties 0
Weight perform 1376.3
Final +/- +53.9
New Rating
()
Rating 1395.8
K-factor 36
Floor 887.7
Highest 1456.2 (2026-01-01)
Min/Max +/- allowed 115.1
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 1094.8
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 1094.8
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 (U10 Girls) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1340.2 9 5 1487.2 57.1 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Chess Power House Boksburg Open 2026 (D) Standard 2026-03-13 2026-03-13 Ekurhuleni (GE) 5 1329.7 5 3 1420.5 14.7 Details
2 3rd Knight Riders Juniors Open Chess Tournament 2026 (D+E) Standard 2026-03-08 2026-03-08 Johannesburg Metro (GJM) 5 1329.7 5 2 1313.6 -4.2 Details
3 MCA Welcome JHB 2026 (Intermediate) Standard 2026-02-07 2026-02-07 Johannesburg Metro (GJM) 5 1439.7 5 1 1093.7 -33 Details
4 2025 Mzansi Inter Provincial Team Championships (U10 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1346.3 6 6 1657.2 36.5 Details
5 Gauteng Inter-Region at Emerald Resort 2025 (U8+U10 Girls) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1346.3 5 2 1368.1 3 Details
6 2025 Laerskool Doringkloof Primary Open Chess Tournament (U8+U10) Standard 2025-10-25 2025-10-25 Tshwane (GTP) 5 1340.8 5 3 1394.4 4.6 Details
7 GoForChess Junior Chess Championships 2025 (U10) Standard 2025-09-14 2025-09-14 Johannesburg Metro (GJM) 5 1269.1 5 3 1481.5 19.9 Details
8 JMC Closed 2025 (U10) Standard 2025-08-09 2025-08-09 Johannesburg Metro (GJM) 5 1263.5 5 2 1288.3 1.7 Details
9 JMC - Trinity Randpark Ridge 2025 (U10) Standard 2025-07-26 2025-07-26 Johannesburg Metro (GJM) 5 1166.2 5 2 1309.3 13.1 Details
10 South African Open 2025 (U10 Girls) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1166.2 5 3 1396.8 27.8 Details
11 JMC Helpmekaar 2025 (U10) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1164.5 4 1 1094.4 -5.6 Details
12 JMC Blairgowrie Rapid 2025 (U8+U10) Rapid 2025-06-08 2025-06-08 Johannesburg Metro (GJM) 6 1164.5 6 3 1251 6.5 Details
13 JMC Crawford Sandton 2025 (U10) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1142.3 5 2 1277.8 12.3 Details
14 2nd Knight Riders Junior Open 2025 (D) Standard 2025-03-23 2025-03-23 Johannesburg Metro (GJM) 5 1118.2 5 1 935.4 -18.6 Details
15 2nd Knight Riders Junior Open 2025 (U10) Standard 2025-03-23 2025-03-23 Johannesburg Metro (GJM) 5 1118.2 0 0 0 0 Details
16 Chess Power House March Open 2025 (E) Standard 2025-03-22 2025-03-22 Johannesburg Metro (GJM) 5 1118.2 5 2 1195.5 6.6 Details
17 MCA Summer March 2025 (Newcomer) Standard 2025-03-08 2025-03-08 Johannesburg Metro (GJM) 5 1118.2 5 3 1395.1 25.4 Details
18 JMC Kick Off 2025 (Female) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1118.6 5 2 1124.3 -0.2 Details
19 Gauteng Inter-Region at UJ 2024 (U10 Candidates) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1124.4 5 2 1089 -3.2 Details
20 Gauteng Top Schools 2024 (U13 Girls) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1142.9 4 1 1029.8 -10.3 Details
21 JMC Closed 2024 (U10) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1137.8 4 1 1031 -8.5 Details
22 Fourth Knight Riders Juniors Open Chess Tournament 204 (U10) Standard 2024-08-03 2024-08-03 Johannesburg Metro (GJM) 5 1137.8 5 3 1244.4 11.3 Details
23 2024 Midstream College Open Chess Tournament (U10) Standard 2024-07-20 2024-07-20 Tshwane (GTP) 5 1109.3 4 1 1032.8 -6.1 Details
24 JMC Trinityhouse Randpark Ridge 2024 (U10) Standard 2024-07-13 2024-07-13 Johannesburg Metro (GJM) 5 1109.3 4 2 1256.1 11.3 Details
25 Second Knight Riders Juniors Open Chess Tournament 2024 (U10) Standard 2024-06-08 2024-06-08 Johannesburg Metro (GJM) 5 1066.3 5 3 1328.8 23.9 Details
26 South African Junior Closed Chess Championship 2024 (U8 Girls) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1053 8 3 1092.6 7.4 Details
27 2024 Gauteng Inter-Region Chess Championship (U8+U10 Girls) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1132.1 4 0 788.1 -30.6 Details
28 JMC Kick Off Tournament 2024 (U10) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1132.1 4 1 964.3 -13.3 Details
29 2023 Woman's Day Open Chess Tournament (Bishop) Standard 2023-08-09 2023-08-09 Tshwane (GTP) 5 1206.4 4 1.5 1072.9 -10.5 Details
30 JMC Closed Aug 2023 (U8) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1206.4 5 1 933.9 -30.8 Details
31 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 Blitz 2023-07-30 2023-07-30 Johannesburg Metro (GJM) 7 1211.1 7 3 1153 -2.6 Details
32 Wynie Robbertse Open Tournament 2023 (F) Standard 2023-06-03 2023-06-03 Tshwane (GTP) 5 1153.8 5 4 1452.1 28.4 Details
33 JMC Blitz - Higher Ground 2023 Blitz 2023-06-17 2023-06-17 Johannesburg Metro (GJM) 7 1153.8 7 3 1166.3 0.3 Details
34 JNW Open - Trinityhouse Little Falls 2023 (U8) Standard 2023-05-13 2023-05-13 Johannesburg Metro (GJM) 5 1110.3 5 3 1236.8 12.9 Details
35 2023 South African Junior Closed Chess Championships (U8 Girls) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1158 9 1.5 990.8 -34.8 Details
36 Chris Greyling Open Tournament 2023 (F) Standard 2023-03-21 2023-03-21 Tshwane (GTP) 5 1039.7 5 3 1294.2 23.9 Details
37 JMC 1 St Peters 2023 (U8) Standard 2023-03-18 2023-03-18 Johannesburg Metro (GJM) 5 1039.7 5 3 1276.5 22.2 Details
38 2023 Piet Robbertse Fide Rated Open Chess Tournament (F) Standard 2023-02-04 2023-02-04 Tshwane (GTP) 5 1040.5 5 2 1046.2 -0.2 Details
39 2022 South African Junior Wild Card Chess Championships (U8 Girls) Classical 2022-12-09 2022-12-12 4 Knights (4K) 7 1124.9 7 0.5 882.4 -41 Details
40 2022 South African Junior Team Chess Championships (U8 Open+Girls) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1124.9 5 2 1108.2 -1.2 Details
41 JMC 3rd Trials 2022 (U8) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1140.8 5 2 1052.2 -8 Details
42 Chessheroes Junior Challenge 2022 (U7) Standard 2022-08-13 2022-08-13 Johannesburg Metro (GJM) 5 1143.2 5 2.5 1137.5 -1.3 Details
43 JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) Standard 2022-07-24 2022-07-24 Johannesburg Metro (GJM) 5 1200 5 1.5 900.3 -28.4 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 24
Wins 11
Draws 0
Losses 13
White 12
Black 12
White wins 6
Black wins 5
Score 11
Percent 45.8
Dp -35.4
AOR 1390.6
Performance 1355.2
Game statistics (History)
Games 226
Wins 94
Draws 5
Losses 127
White 119
Black 107
White wins 49
Black wins 45
Score 96.5
Percent 42.7
Dp -62.1
AOR 1254.3
Performance 1192.3
Rankings (Main)
National
Overall 4860
Gender 811
Age group 441
Gender/Age 102
Provincial
Overall 1619
Gender 265
Age group 143
Gender/Age 25
Regional
Overall 475
Gender 62
Age group 49
Gender/Age 8
Rankings (Standard)
National
Overall 4373
Gender 738
Age group 404
Gender/Age 90
Provincial
Overall 1550
Gender 253
Age group 143
Gender/Age 25
Regional
Overall 432
Gender 58
Age group 50
Gender/Age 8
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 5
Percent 55.6
Aor 1440
Dp 47.2
Prat 1487.2
Performance ()
Games 24
Score 11
Percent 45.8
Aor 1390.6
Dp -35.4
Prat 1355.2
Performance (12 months)
Games 75
Score 38
Percent 50.7
Aor 1353.4
Dp 5.7
Prat 1359.1
Performance (History)
Games 226
Score 96.5
Percent 42.7
Aor 1254.3
Dp -62.1
Prat 1192.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Deysel, Z (Zachariah) 5 3 2 JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) JMC Trinityhouse Randpark Ridge 2024 (U10) Details
Overall 2 Badat, M (Mikaeel) 5 4 1 Chessheroes Junior Challenge 2022 (U7) JMC - Trinity Randpark Ridge 2025 (U10) Details
Overall 3 Meijer, CM (Carlo Marius) 5 4 1 JMC Trinityhouse Randpark Ridge 2024 (U10) JMC Closed 2025 (U10) Details
Overall 4 Pelser, A (Aidan) 4 2 2 2023 Piet Robbertse Fide Rated Open Chess Tournament (F) JMC - Trinity Randpark Ridge 2025 (U10) Details
Overall 5 Du Pisani, M (Malcolm) 4 3 1 JNW Open - Trinityhouse Little Falls 2023 (U8) 3rd Knight Riders Juniors Open Chess Tournament 2026 (D+E) Details
Standard 1 Badat, M (Mikaeel) 5 4 1 Chessheroes Junior Challenge 2022 (U7) JMC - Trinity Randpark Ridge 2025 (U10) Details
Standard 2 Meijer, CM (Carlo Marius) 5 4 1 JMC Trinityhouse Randpark Ridge 2024 (U10) JMC Closed 2025 (U10) Details
Standard 3 Deysel, Z (Zachariah) 5 3 2 JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) JMC Trinityhouse Randpark Ridge 2024 (U10) Details
Standard 4 Steyn, M (Mari-Louise) 4 2 2 JMC 3rd Trials 2022 (U8) JMC Closed 2024 (U10) Details
Standard 5 Du Pisani, M (Malcolm) 4 3 1 JNW Open - Trinityhouse Little Falls 2023 (U8) 3rd Knight Riders Juniors Open Chess Tournament 2026 (D+E) Details