PLAYER PAGE
Irvin Kajiwa
1130149897Eden (WEG)Personal
Main rating
| Rating | 1332.7 |
| K-factor | 36 |
| Floor | 855.9 |
| Highest | 1355.9 (2025-04-01) |
| Min/Max +/- allowed | 133 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1207.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1332.7 |
| K-factor | 36 |
| Floor | 855.9 |
| Highest | 1355.9 (2025-04-01) |
| Min/Max +/- allowed | 132.8 |
Standard rating
| Rating | 1351.6 |
| K-factor | 36 |
| Floor | 881.7 |
| Highest | 1381.7 (2025-04-01) |
| Min/Max +/- allowed | 128 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1207.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1351.6 |
| K-factor | 36 |
| Floor | 881.7 |
| Highest | 1381.7 (2025-04-01) |
| Min/Max +/- allowed | 128 |
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 | 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 |
Rating Graph
Tournaments
| # | 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 | Eden Top Schools 2025 (U13) | Standard | 2025-08-16 | 2025-08-16 | Eden (WEG) | 5 | 1355.9 | 4 | 1 | 1152.2 | 0 | Details |
| 2 | Eden Schools Chess Trials 1 2025 (U13 Boys) | Standard | 2025-03-08 | 2025-03-08 | Eden (WEG) | 5 | 1327.1 | 4 | 3 | 1531.7 | 0 | Details |
| 3 | Eden Top Schools 2024 (U11 Open) | Standard | 2024-08-17 | 2024-08-17 | Eden (WEG) | 5 | 1293 | 5 | 3 | 1496.2 | 0 | Details |
| 4 | Eden School Chess Trials 1 2024 (U11 Boys) | Standard | 2024-03-09 | 2024-03-09 | Eden (WEG) | 5 | 1267 | 5 | 3 | 1422.3 | 0 | Details |
| 5 | Eden Top Schools 2023 (U11 Mix) | Standard | 2023-08-19 | 2023-08-19 | Eden (WEG) | 5 | 1236.5 | 4 | 3 | 1454.4 | 0 | Details |
| 6 | Eden Trials 2+3 2023 (U12) | Standard | 2023-04-15 | 2023-05-13 | Eden (WEG) | 10 | 1236.5 | 0 | 0 | 0 | 0 | Details |
| 7 | Eden Trails 1 2023 (U11 Boys) | Standard | 2023-03-11 | 2023-03-11 | Eden (WEG) | 5 | 1215.6 | 5 | 3 | 1341.3 | 0 | Details |
| 8 | 2023 Knysna School Trials #1 (U7-U11) | Standard | 2023-02-04 | 2023-02-04 | Eden (WEG) | 5 | 1200 | 5 | 3 | 1285 | 0 | 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 | 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 (History)
| Games | 32 |
| Wins | 18 |
| Draws | 2 |
| Losses | 12 |
| White | 18 |
| Black | 14 |
| White wins | 13 |
| Black wins | 5 |
| Score | 19 |
| Percent | 59.4 |
| Dp | 79.7 |
| AOR | 1304 |
| Performance | 1383.7 |
Rankings (Main)
| National | |
| Overall | 4926 |
| Gender | 4117 |
| Age group | 632 |
| Gender/Age | 470 |
| Provincial | |
| Overall | 1495 |
| Gender | 1190 |
| Age group | 215 |
| Gender/Age | 144 |
| Regional | |
| Overall | 349 |
| Gender | 274 |
| Age group | 61 |
| Gender/Age | 38 |
Rankings (Standard)
| National | |
| Overall | 3965 |
| Gender | 3313 |
| Age group | 498 |
| Gender/Age | 359 |
| Provincial | |
| Overall | 1139 |
| Gender | 898 |
| Age group | 160 |
| Gender/Age | 102 |
| Regional | |
| Overall | 300 |
| Gender | 228 |
| Age group | 54 |
| Gender/Age | 34 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 8 |
| Score | 4 |
| Percent | 50 |
| Aor | 1341.9 |
| Dp | 0 |
| Prat | 1341.9 |
Performance (History)
| Games | 32 |
| Score | 19 |
| Percent | 59.4 |
| Aor | 1304 |
| Dp | 79.7 |
| Prat | 1383.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Coleman, F (Ferdinand) | 2 | 0 | 2 | Eden Top Schools 2023 (U11 Mix) | Eden School Chess Trials 1 2024 (U11 Boys) | Details |
| Overall | 2 | Marner, B (Bryan Neil) | 2 | 0 | 2 | Eden Top Schools 2024 (U11 Open) | Eden Schools Chess Trials 1 2025 (U13 Boys) | Details |
| Standard | 1 | Coleman, F (Ferdinand) | 2 | 0 | 2 | Eden Top Schools 2023 (U11 Mix) | Eden School Chess Trials 1 2024 (U11 Boys) | Details |
| Standard | 2 | Marner, B (Bryan Neil) | 2 | 0 | 2 | Eden Top Schools 2024 (U11 Open) | Eden Schools Chess Trials 1 2025 (U13 Boys) | Details |