Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Rebecca Ayerst

2150306411
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1267.1
K-factor 36
Floor 800.3
Highest 1300.3 (2026-06-01)
Min/Max +/- allowed 144
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1221.4
Final +/- 0
New Rating
()
Rating 1267.1
K-factor 36
Floor 800.3
Highest 1300.3 (2026-06-01)
Min/Max +/- allowed 143.7
Standard rating
Rating 1258.2
K-factor 36
Floor 800.3
Highest 1300.3 (2026-06-01)
Min/Max +/- allowed 143.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1221.4
Final +/- 0
New Rating
()
Rating 1258.2
K-factor 36
Floor 800.3
Highest 1300.3 (2026-06-01)
Min/Max +/- allowed 143.7
Rapid rating
Rating 1187.7
K-factor 36
Floor 700
Highest 1200 (2024-11-01)
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 1187.7
K-factor 36
Floor 700
Highest 1200 (2024-11-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-07-01)
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 (2024-07-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 NMB Closed 2026 (U12) Standard 2026-08-15 2026-08-15 Nelson Mandela Bay (ENM) 5 1267.1 5 1 1110.4 -33.2 Details
2 NMBCU Trials 5 2026 (U12) Standard 2026-05-15 2026-05-16 Nelson Mandela Bay (ENM) 6 1266.7 6 3 1354.4 18.3 Details
3 2026 NMBCU Trials 4 (U12) Standard 2026-04-24 2026-04-25 Nelson Mandela Bay (ENM) 6 1196 5 2.5 1317.7 22.4 Details
4 NMBCU Trials 3 2026 (U12) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1196 5 2 1291.7 17.7 Details
5 Pearson Chess Festival 2026 (C) Standard 2026-02-27 2026-02-28 Nelson Mandela Bay (ENM) 5 1196.8 5 2.5 1373.8 17.8 Details
6 NMBCU Trial 1 2026 (U12) Standard 2026-02-20 2026-02-21 Nelson Mandela Bay (ENM) 5 1196.8 4 1 1067.7 -10.3 Details
7 2025 Mzansi Individual Championships (U12 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1203 6 2 1164.5 -5.6 Details
8 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1203 5 1.5 1092.5 -11.6 Details
9 EC Closed 2025 (U12 Girls) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1200.4 6 2 1226.3 3.2 Details
10 Eastern Cape Inter-Regional Team Chess Championship 2025 (U12) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1200.1 4 0 882 -24.9 Details
11 NMBCU Closed 2025 (U12) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1219.6 4 0.5 1019.3 -15.8 Details
12 Karen Ashworth 2025 (C) Standard 2025-04-26 2025-04-26 Nelson Mandela Bay (ENM) 5 1206.9 5 3 1286.1 7 Details
13 Pearson High Chess Festival 2025 (C) Standard 2025-02-21 2025-02-22 Nelson Mandela Bay (ENM) 5 1197 5 2 1262.1 5.5 Details
14 Willow Academy 2024 (C) Rapid 2024-06-22 2024-06-22 Nelson Mandela Bay (ENM) 6 1200 6 2.5 1170.8 -2.7 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 30
Wins 10
Draws 4
Losses 16
White 13
Black 17
White wins 5
Black wins 5
Score 12
Percent 40
Dp -85
AOR 1347.2
Performance 1262.2
Game statistics (History)
Games 71
Wins 22
Draws 7
Losses 42
White 36
Black 35
White wins 12
Black wins 10
Score 25.5
Percent 35.9
Dp -119.7
AOR 1317.5
Performance 1197.8
Rankings (Main)
National
Overall 7703
Gender 1467
Age group 935
Gender/Age 227
Provincial
Overall 740
Gender 131
Age group 86
Gender/Age 25
Regional
Overall 222
Gender 29
Age group 23
Gender/Age 4
Rankings (Standard)
National
Overall 7005
Gender 1429
Age group 890
Gender/Age 226
Provincial
Overall 703
Gender 135
Age group 86
Gender/Age 26
Regional
Overall 191
Gender 25
Age group 23
Gender/Age 4
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 30
Score 12
Percent 40
Aor 1347.2
Dp -85
Prat 1262.2
Performance (12 months)
Games 41
Score 15.5
Percent 37.8
Aor 1330.8
Dp -103.7
Prat 1227.2
Performance (History)
Games 71
Score 25.5
Percent 35.9
Aor 1317.5
Dp -119.7
Prat 1197.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Borriero, L (Luca) 4 2 2 NMBCU Trial 1 2026 (U12) NMB Closed 2026 (U12) Details
Overall 2 Van Huyssteen, Z (Zani) 4 2 2 NMBCU Trial 1 2026 (U12) NMBCU Trials 5 2026 (U12) Details
Overall 3 Tshabalala, S (Siyabonga) 3 0 3 NMBCU Trial 1 2026 (U12) NMB Closed 2026 (U12) Details
Overall 4 Jacobs, J (Joel) 2 2 0 NMBCU Closed 2025 (U12) NMB Closed 2026 (U12) Details
Overall 5 Bester, T (Thomas) 2 1 1 NMBCU Trial 1 2026 (U12) NMB Closed 2026 (U12) Details
Standard 1 Borriero, L (Luca) 4 2 2 NMBCU Trial 1 2026 (U12) NMB Closed 2026 (U12) Details
Standard 2 Van Huyssteen, Z (Zani) 4 2 2 NMBCU Trial 1 2026 (U12) NMBCU Trials 5 2026 (U12) Details
Standard 3 Tshabalala, S (Siyabonga) 3 0 3 NMBCU Trial 1 2026 (U12) NMB Closed 2026 (U12) Details
Standard 4 Bester, T (Thomas) 2 1 1 NMBCU Trial 1 2026 (U12) NMB Closed 2026 (U12) Details
Standard 5 Hussen, C (Calab) 2 2 0 NMBCU Trials 3 2026 (U12) 2026 NMBCU Trials 4 (U12) Details