PLAYER PAGE
Jacob Ismay
1110323850Eden (WEG)Personal
Main rating
| Rating | 1234.7 |
| K-factor | 36 |
| Floor | 753.6 |
| Highest | 1253.6 (2026-04-01) |
| Min/Max +/- allowed | 154 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 2.29 |
| SWe | 0.59 |
| Temp +/- | 21.3 |
| Penalties | 0 |
| Weight perform | 1219.1 |
| Final +/- | +21.3 |
| New Rating () | |
| Rating | 1256 |
| K-factor | 36 |
| Floor | 756 |
| Highest | 1256 (2026-10-01) |
| Min/Max +/- allowed | 153.1 |
Standard rating
| Rating | 1190.8 |
| K-factor | 36 |
| Floor | 724.1 |
| Highest | 1224.1 (2026-02-28) |
| Min/Max +/- allowed | 160.2 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 2.37 |
| SWe | 0.63 |
| Temp +/- | 22.6 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +22.6 |
| New Rating () | |
| Rating | 1213.4 |
| K-factor | 36 |
| Floor | 724.1 |
| Highest | 1224.1 (2026-02-28) |
| Min/Max +/- allowed | 160.2 |
Rapid rating
| Rating | 1237.4 |
| K-factor | 36 |
| Floor | 737.4 |
| Highest | 1237.4 (2026-10-01) |
| Min/Max +/- allowed | 157.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1237.4 |
| K-factor | 36 |
| Floor | 737.4 |
| Highest | 1237.4 (2026-10-01) |
| Min/Max +/- allowed | 157.2 |
Blitz rating
| Rating | 1143.1 |
| K-factor | 40 |
| Floor | 699.9 |
| Highest | 1199.9 (2025-07-31) |
| 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 | 1143.1 |
| K-factor | 40 |
| Floor | 699.9 |
| Highest | 1199.9 (2025-07-31) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Eden Open Championship 2026 (B) | Standard | 2026-09-19 | 2026-09-19 | Eden (WEG) | 5 | 1234.7 | 5 | 3 | 1363.5 | 21.3 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | PACS Rapid 2026 (B) | Rapid | 2026-08-29 | 2026-08-29 | Eden (WEG) | 6 | 1211.3 | 6 | 4 | 1383.1 | 26.3 | Details |
| 2 | Interclub Blitz - Pacaltsdorp Open 2026 | Blitz | 2026-09-02 | 2026-09-02 | Eden (WEG) | 9 | 1211.3 | 8 | 2 | 1176.8 | -2.9 | Details |
| 3 | South African Open Championship 2026 (Intermediate) | Classical | 2026-06-28 | 2026-07-05 | Cape Town (WCT) | 9 | 1253.6 | 9 | 2.5 | 1139.6 | -42.2 | Details |
| 4 | Eden Rapid Championship 2026 (B) | Rapid | 2026-04-18 | 2026-04-18 | Eden (WEG) | 6 | 1226.1 | 5 | 2.5 | 1435.7 | 27.4 | Details |
| 5 | George Trials 2 2026 (U15 Boys) | Standard | 2026-02-14 | 2026-02-14 | Eden (WEG) | 5 | 1199.1 | 5 | 2 | 1264.9 | 7 | Details |
| 6 | George Trials 1 2026 (U15 Boys) | Standard | 2026-01-31 | 2026-01-31 | Eden (WEG) | 5 | 1199.1 | 5 | 2 | 1265 | 4.1 | Details |
| 7 | Interclub Blitz 3 2025 | Blitz | 2025-07-30 | 2025-07-30 | Eden (WEG) | 6 | 1200 | 6 | 0 | 763.3 | -11.1 | 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 | 43 |
| Wins | 17 |
| Draws | 2 |
| Losses | 24 |
| White | 20 |
| Black | 23 |
| White wins | 10 |
| Black wins | 7 |
| Score | 18 |
| Percent | 41.9 |
| Dp | -69.2 |
| AOR | 1339.3 |
| Performance | 1270.1 |
Game statistics (History)
| Games | 49 |
| Wins | 17 |
| Draws | 2 |
| Losses | 30 |
| White | 23 |
| Black | 26 |
| White wins | 10 |
| Black wins | 7 |
| Score | 18 |
| Percent | 36.7 |
| Dp | -112.8 |
| AOR | 1320.8 |
| Performance | 1208.1 |
Rankings (Main)
| National | |
| Overall | 9425 |
| Gender | 7530 |
| Age group | 1614 |
| Gender/Age | 1238 |
| Provincial | |
| Overall | 2753 |
| Gender | 2114 |
| Age group | 465 |
| Gender/Age | 350 |
| Regional | |
| Overall | 673 |
| Gender | 499 |
| Age group | 118 |
| Gender/Age | 91 |
Rankings (Standard)
| National | |
| Overall | 10561 |
| Gender | 8075 |
| Age group | 1837 |
| Gender/Age | 1369 |
| Provincial | |
| Overall | 3150 |
| Gender | 2310 |
| Age group | 532 |
| Gender/Age | 393 |
| Regional | |
| Overall | 896 |
| Gender | 631 |
| Age group | 158 |
| Gender/Age | 122 |
Rankings (Rapid)
| National | |
| Overall | 3414 |
| Gender | 2722 |
| Age group | 610 |
| Gender/Age | 472 |
| Provincial | |
| Overall | 1361 |
| Gender | 1052 |
| Age group | 233 |
| Gender/Age | 173 |
| Regional | |
| Overall | 164 |
| Gender | 130 |
| Age group | 19 |
| Gender/Age | 16 |
Rankings (Blitz)
| National | |
| Overall | 617 |
| Gender | 558 |
| Age group | 72 |
| Gender/Age | 60 |
| Provincial | |
| Overall | 196 |
| Gender | 183 |
| Age group | 18 |
| Gender/Age | 16 |
| Regional | |
| Overall | 117 |
| Gender | 110 |
| Age group | 12 |
| Gender/Age | 11 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 43 |
| Score | 18 |
| Percent | 41.9 |
| Aor | 1339.3 |
| Dp | -69.2 |
| Prat | 1270.1 |
Performance (12 months)
| Games | 43 |
| Score | 18 |
| Percent | 41.9 |
| Aor | 1339.3 |
| Dp | -69.2 |
| Prat | 1270.1 |
Performance (History)
| Games | 49 |
| Score | 18 |
| Percent | 36.7 |
| Aor | 1320.8 |
| Dp | -112.8 |
| Prat | 1208.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Palkowski, H (Han) | 2 | 0 | 2 | George Trials 1 2026 (U15 Boys) | George Trials 2 2026 (U15 Boys) | Details |
| Overall | 2 | Mafereka, I (Ismael) | 2 | 1 | 1 | Interclub Blitz 3 2025 | Interclub Blitz 3 2025 | Details |
| Overall | 3 | Gilbert, C (Calray) | 2 | 1 | 1 | Interclub Blitz 3 2025 | Interclub Blitz 3 2025 | Details |
| Overall | 4 | Sampson, E (Eejay) | 2 | 1 | 1 | George Trials 2 2026 (U15 Boys) | Eden Rapid Championship 2026 (B) | Details |
| Overall | 5 | Claassen, M (Micylee) | 2 | 1 | 1 | Interclub Blitz 3 2025 | Interclub Blitz 3 2025 | Details |
| Standard | 1 | Palkowski, H (Han) | 2 | 0 | 2 | George Trials 1 2026 (U15 Boys) | George Trials 2 2026 (U15 Boys) | Details |
| Blitz | 1 | Mafereka, I (Ismael) | 2 | 1 | 1 | Interclub Blitz 3 2025 | Interclub Blitz 3 2025 | Details |
| Blitz | 2 | Claassen, M (Micylee) | 2 | 1 | 1 | Interclub Blitz 3 2025 | Interclub Blitz 3 2025 | Details |
| Blitz | 3 | Gilbert, C (Calray) | 2 | 1 | 1 | Interclub Blitz 3 2025 | Interclub Blitz 3 2025 | Details |