PLAYER PAGE
Rebecca Ayerst
2150306411Nelson 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 | 10 |
| Score | 4.5 |
| We | 4.18 |
| SWe | -0.01 |
| Temp +/- | -0.3 |
| Penalties | 0 |
| Weight perform | 1225.3 |
| Final +/- | -0.3 |
| New Rating () | |
| Rating | 1266.9 |
| 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 | 5 |
| Score | 1.5 |
| We | 1.76 |
| SWe | -0.26 |
| Temp +/- | -9.3 |
| Penalties | 0 |
| Weight perform | 1205.6 |
| Final +/- | -9.3 |
| New Rating () | |
| Rating | 1248.9 |
| 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 | 5 |
| Score | 3 |
| We | 2.53 |
| SWe | 0.47 |
| Temp +/- | 16.9 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +16.9 |
| New Rating () | |
| Rating | 1204.6 |
| K-factor | 36 |
| Floor | 704.6 |
| Highest | 1204.6 (2026-10-01) |
| Min/Max +/- allowed | 164.7 |
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
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Eastern Cape Closed Championship 2026 (U12 Girls) | Standard | 2026-09-25 | 2026-09-26 | Sarah Baartman (ESB) | 6 | 1267.1 | 5 | 1.5 | 1237.4 | -6.8 | Details |
| 2 | Eastern Cape Chess Festival 2026 (Inter-Regionals U12) | Rapid | 2026-09-25 | 2026-09-25 | Sarah Baartman (ESB) | 5 | 1267.1 | 5 | 3 | 1367.8 | 6.5 | 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 | 40 |
| Wins | 14 |
| Draws | 5 |
| Losses | 21 |
| White | 19 |
| Black | 21 |
| White wins | 7 |
| Black wins | 7 |
| Score | 16.5 |
| Percent | 41.2 |
| Dp | -74.4 |
| AOR | 1346.7 |
| Performance | 1272.3 |
Game statistics (History)
| Games | 81 |
| Wins | 26 |
| Draws | 8 |
| Losses | 47 |
| White | 42 |
| Black | 39 |
| White wins | 14 |
| Black wins | 12 |
| Score | 30 |
| Percent | 37 |
| Dp | -110.2 |
| AOR | 1320.9 |
| Performance | 1210.7 |
Rankings (Main)
| National | |
| Overall | 7591 |
| Gender | 1442 |
| Age group | 930 |
| Gender/Age | 228 |
| Provincial | |
| Overall | 720 |
| Gender | 125 |
| Age group | 86 |
| Gender/Age | 25 |
| Regional | |
| Overall | 215 |
| Gender | 27 |
| Age group | 23 |
| Gender/Age | 4 |
Rankings (Standard)
| National | |
| Overall | 6902 |
| Gender | 1414 |
| Age group | 887 |
| Gender/Age | 226 |
| Provincial | |
| Overall | 689 |
| Gender | 131 |
| Age group | 86 |
| Gender/Age | 26 |
| Regional | |
| Overall | 189 |
| Gender | 24 |
| 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 | 40 |
| Score | 16.5 |
| Percent | 41.2 |
| Aor | 1346.7 |
| Dp | -74.4 |
| Prat | 1272.3 |
Performance (12 months)
| Games | 51 |
| Score | 20 |
| Percent | 39.2 |
| Aor | 1333.6 |
| Dp | -91.7 |
| Prat | 1242 |
Performance (History)
| Games | 81 |
| Score | 30 |
| Percent | 37 |
| Aor | 1320.9 |
| Dp | -110.2 |
| Prat | 1210.7 |
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 | Armstrong, I (Isabella) | 2 | 1 | 1 | Eastern Cape Inter-Regional Team Chess Championship 2025 (U12) | EC Closed 2025 (U12 Girls) | Details |
| Overall | 5 | Jacobs, J (Joel) | 2 | 2 | 0 | NMBCU Closed 2025 (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 |