PLAYER PAGE
Isaac De Beer
1170333153Nelson Mandela Bay (ENM)Personal
Main rating
| Rating | 1203.7 |
| K-factor | 36 |
| Floor | 741.9 |
| Highest | 1241.9 (2026-04-01) |
| Min/Max +/- allowed | 156 |
| Rating Change () | |
| Games | 9 |
| Score | 6 |
| We | 3.63 |
| SWe | 0.91 |
| Temp +/- | 32.6 |
| Penalties | 0 |
| Weight perform | 1264.3 |
| Final +/- | +60.5 |
| New Rating () | |
| Rating | 1264.3 |
| K-factor | 36 |
| Floor | 764.3 |
| Highest | 1264.3 (2026-10-01) |
| Min/Max +/- allowed | 151.3 |
Standard rating
| Rating | 1195.9 |
| K-factor | 36 |
| Floor | 743.6 |
| Highest | 1243.6 (2026-04-01) |
| Min/Max +/- allowed | 155.8 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 1.79 |
| SWe | 0.21 |
| Temp +/- | 7.6 |
| Penalties | 0 |
| Weight perform | 1144.6 |
| Final +/- | +7.6 |
| New Rating () | |
| Rating | 1203.5 |
| K-factor | 36 |
| Floor | 743.6 |
| Highest | 1243.6 (2026-04-01) |
| Min/Max +/- allowed | 155.8 |
Rapid rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2026-02-28) |
| Min/Max +/- allowed | 166.1 |
| Rating Change () | |
| Games | 4 |
| Score | 4 |
| We | 1.89 |
| SWe | 2.11 |
| Temp +/- | 84.2 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +84.2 |
| New Rating () | |
| Rating | 1284.2 |
| K-factor | 36 |
| Floor | 784.2 |
| Highest | 1284.2 (2026-10-01) |
| Min/Max +/- allowed | 147.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2026-02-28) |
| Min/Max +/- allowed | 166.1 |
| 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 | 40 |
| Floor | 700 |
| Highest | 1199 (2026-02-28) |
| Min/Max +/- allowed | 166.1 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Eastern Cape Closed Championship 2026 (U10 Open) | Standard | 2026-09-25 | 2026-09-26 | Sarah Baartman (ESB) | 6 | 1203.7 | 5 | 2 | 1238.6 | 7.2 | Details |
| 2 | Eastern Cape Chess Festival 2026 (Inter-Regionals U10) | Rapid | 2026-09-25 | 2026-09-25 | Sarah Baartman (ESB) | 6 | 1203.7 | 4 | 4 | 1657 | 25.4 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | NMBCU Trials 6 2026 (U10+U12) | Standard | 2026-05-22 | 2026-05-23 | Nelson Mandela Bay (ENM) | 6 | 1241.9 | 5 | 1.5 | 1058.2 | -31 | Details |
| 2 | NMBCU Trials 5 2026 (U8+U10) | Standard | 2026-05-15 | 2026-05-16 | Nelson Mandela Bay (ENM) | 5 | 1241.9 | 5 | 2 | 1194.6 | -7.1 | Details |
| 3 | Eastern Cape Open 2026 (U8-U14 Boys) | Standard | 2026-04-11 | 2026-04-12 | Buffalo City (EBC) | 7 | 1198.1 | 7 | 4 | 1345.5 | 43.7 | Details |
| 4 | Pearson Chess Festival 2026 (C) | Standard | 2026-02-27 | 2026-02-28 | Nelson Mandela Bay (ENM) | 5 | 1200 | 5 | 1 | 1091.2 | -11.6 | 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 | 31 |
| Wins | 14 |
| Draws | 1 |
| Losses | 16 |
| White | 15 |
| Black | 16 |
| White wins | 6 |
| Black wins | 8 |
| Score | 14.5 |
| Percent | 46.8 |
| Dp | -27.4 |
| AOR | 1284.2 |
| Performance | 1256.8 |
Game statistics (History)
| Games | 31 |
| Wins | 14 |
| Draws | 1 |
| Losses | 16 |
| White | 15 |
| Black | 16 |
| White wins | 6 |
| Black wins | 8 |
| Score | 14.5 |
| Percent | 46.8 |
| Dp | -27.4 |
| AOR | 1284.2 |
| Performance | 1256.8 |
Rankings (Main)
| National | |
| Overall | 11911 |
| Gender | 9333 |
| Age group | 762 |
| Gender/Age | 552 |
| Provincial | |
| Overall | 1058 |
| Gender | 853 |
| Age group | 62 |
| Gender/Age | 45 |
| Regional | |
| Overall | 279 |
| Gender | 245 |
| Age group | 12 |
| Gender/Age | 11 |
Rankings (Standard)
| National | |
| Overall | 10271 |
| Gender | 7876 |
| Age group | 710 |
| Gender/Age | 505 |
| Provincial | |
| Overall | 989 |
| Gender | 777 |
| Age group | 56 |
| Gender/Age | 40 |
| Regional | |
| Overall | 243 |
| Gender | 211 |
| Age group | 13 |
| Gender/Age | 12 |
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 | 31 |
| Score | 14.5 |
| Percent | 46.8 |
| Aor | 1284.2 |
| Dp | -27.4 |
| Prat | 1256.8 |
Performance (12 months)
| Games | 31 |
| Score | 14.5 |
| Percent | 46.8 |
| Aor | 1284.2 |
| Dp | -27.4 |
| Prat | 1256.8 |
Performance (History)
| Games | 31 |
| Score | 14.5 |
| Percent | 46.8 |
| Aor | 1284.2 |
| Dp | -27.4 |
| Prat | 1256.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Pagel, T (Thomas) | 2 | 2 | 0 | NMBCU Trials 5 2026 (U8+U10) | NMBCU Trials 6 2026 (U10+U12) | Details |
| Standard | 1 | Pagel, T (Thomas) | 2 | 2 | 0 | NMBCU Trials 5 2026 (U8+U10) | NMBCU Trials 6 2026 (U10+U12) | Details |