PLAYER PAGE
Jonah Beukman
1120313014Buffalo City (EBC)Personal
Main rating
| Rating | 1427.1 |
| K-factor | 32 |
| Floor | 1027.4 |
| Highest | 1527.4 (2025-08-01) |
| Min/Max +/- allowed | 104 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 2.35 |
| SWe | 0.54 |
| Temp +/- | 17.3 |
| Penalties | 0 |
| Weight perform | 1360.1 |
| Final +/- | +17.3 |
| New Rating () | |
| Rating | 1444.5 |
| K-factor | 32 |
| Floor | 1027.4 |
| Highest | 1527.4 (2025-08-01) |
| Min/Max +/- allowed | 104 |
Standard rating
| Rating | 1445.5 |
| K-factor | 32 |
| Floor | 1018 |
| Highest | 1518 (2025-08-01) |
| Min/Max +/- allowed | 105.4 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 2.48 |
| SWe | 0.52 |
| Temp +/- | 16.8 |
| Penalties | 0 |
| Weight perform | 1440.5 |
| Final +/- | +16.8 |
| New Rating () | |
| Rating | 1462.2 |
| K-factor | 32 |
| Floor | 1018 |
| Highest | 1518 (2025-08-01) |
| Min/Max +/- allowed | 105.4 |
Rapid rating
| Rating | 1325.4 |
| K-factor | 36 |
| Floor | 848.8 |
| Highest | 1348.8 (2026-04-01) |
| Min/Max +/- allowed | 134.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1314.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1325.4 |
| K-factor | 36 |
| Floor | 848.8 |
| Highest | 1348.8 (2026-04-01) |
| Min/Max +/- allowed | 134.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-10-01) |
| 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 (2024-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Buffalo City Chess Trials 5 (U16) | Standard | 2026-07-11 | 2026-07-11 | Buffalo City (EBC) | 5 | 1427.1 | 5 | 3 | 1531.2 | 17.3 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Buffalo City Chess Trials 4 (U16) | Standard | 2026-05-29 | 2026-05-30 | Buffalo City (EBC) | 5 | 1466 | 4 | 2 | 1306.7 | -19.7 | Details |
| 2 | Vikings April Rapid 2026 (Open) | Rapid | 2026-04-18 | 2026-04-18 | Buffalo City (EBC) | 5 | 1466 | 5 | 2.5 | 1302.6 | -19.2 | Details |
| 3 | Checkmate Carnival Fundraiser 2026 (A) | Rapid | 2026-04-25 | 2026-04-25 | Buffalo City (EBC) | 6 | 1514.8 | 6 | 2 | 1376.7 | -10.3 | Details |
| 4 | Hudson Park Primary Festival 2026 (A) | Standard | 2026-03-07 | 2026-03-07 | Buffalo City (EBC) | 5 | 1514.8 | 5 | 2 | 1528 | 0.2 | Details |
| 5 | Eastern Cape Open 2026 (U16-U20 Boys) | Standard | 2026-04-11 | 2026-04-12 | Buffalo City (EBC) | 7 | 1514.8 | 7 | 3.5 | 1447.1 | -17.8 | Details |
| 6 | 2026 Buffalo City Chess Trials 3 (U16) | Standard | 2026-03-21 | 2026-03-21 | Buffalo City (EBC) | 5 | 1441.6 | 5 | 3 | 1636.3 | 31.4 | Details |
| 7 | 2026 Buffalo City Chess Trials 2 (U16 Boys) | Standard | 2026-02-28 | 2026-02-28 | Buffalo City | 5 | 1441.6 | 5 | 3 | 1516 | 10.5 | Details |
| 8 | Grey College Team Championship 2026 (B) | Standard | 2026-02-20 | 2026-02-21 | Mangaung (FMB) | 5 | 1462.5 | 5 | 4 | 1462.1 | 0 | Details |
| 9 | 2026 Buffalo City Chess Trials 1 (U16) | Standard | 2026-02-07 | 2026-02-07 | Buffalo City (EBC) | 5 | 1462.5 | 3 | 1 | 1227.1 | -12.9 | Details |
| 10 | 2025 Mzansi Individual Championships (U14 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1516.5 | 6 | 3.5 | 1539.5 | 3.4 | Details |
| 11 | 2025 Mzansi Inter Provincial Team Championships (U14 Open) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1516.5 | 6 | 2 | 1251.1 | -30.9 | Details |
| 12 | Beacon Bay Christmas Rapid Tournament 2025 | Rapid | 2025-11-29 | 2025-11-29 | Buffalo City (EBC) | 6 | 1516.5 | 6 | 4 | 1402.2 | -6.2 | Details |
| 13 | Chess Vikings Trials 2 2025 (A) | Standard | 2025-10-18 | 2025-10-18 | Buffalo City (EBC) | 5 | 1499.2 | 5 | 2.5 | 1632.9 | 12.3 | Details |
| 14 | BC Open 2025 (U10-U14) | Rapid | 2025-10-04 | 2025-10-04 | Buffalo City (EBC) | 7 | 1499.2 | 7 | 5 | 1476.2 | -1.4 | Details |
| 15 | Buffalo City Chess Clubs League 2025 (B) | Standard | 2025-09-20 | 2025-09-20 | Buffalo City (EBC) | 6 | 1506.1 | 5 | 4 | 1518.2 | 0.8 | Details |
| 16 | EC Closed 2025 (U14 Boys) | Standard | 2025-09-06 | 2025-09-07 | Nelson Mandela Bay (ENM) | 6 | 1506.1 | 6 | 3 | 1466.8 | -5.1 | Details |
| 17 | Buffalo City Chess Junior Closed 2025 (U14 Open) | Standard | 2025-08-16 | 2025-08-16 | Buffalo City (EBC) | 5 | 1527.4 | 5 | 2 | 1437.4 | -8.1 | Details |
| 18 | 3rd Chess Vikings Open Championship 2025 (A) | Standard | 2025-08-02 | 2025-08-02 | Buffalo City (EBC) | 5 | 1527.4 | 5 | 2 | 1438.7 | -8 | Details |
| 19 | BC Schools Chess Festival 2025 (U13 Open) | Standard | 2025-07-26 | 2025-07-26 | Buffalo City (EBC) | 5 | 1527.4 | 5 | 4 | 1545.8 | 2.7 | Details |
| 20 | Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Open) | Standard | 2025-07-11 | 2025-07-12 | Amathole (EAL) | 6 | 1435.6 | 5 | 4 | 1727.6 | 27.7 | Details |
| 21 | Eastern Cape Inter-Regional Team Chess Championship 2025 (U14) | Standard | 2025-07-10 | 2025-07-11 | Amathole (EAL) | 5 | 1435.6 | 3 | 2 | 1523.9 | 6 | Details |
| 22 | 2025 Buffalo City Chess Trials 3 (U14) | Standard | 2025-05-10 | 2025-05-10 | Buffalo City (EBC) | 5 | 1462.7 | 5 | 2.5 | 1372.8 | -8 | Details |
| 23 | EC Open 2025 (U8-U14 Boys) | Standard | 2025-05-02 | 2025-05-02 | Buffalo City (EBC) | 7 | 1462.7 | 7 | 4 | 1398.5 | -9 | Details |
| 24 | 2025 Buffalo City Chess Trials 2 (U14) | Standard | 2025-04-12 | 2025-04-12 | Buffalo City (EBC) | 5 | 1271.5 | 5 | 4 | 1631.4 | 34.4 | Details |
| 25 | 2025 Buffalo City Chess Trials 1 (U14) | Standard | 2025-03-22 | 2025-03-22 | Buffalo City (EBC) | 5 | 1271.5 | 5 | 3 | 1441.7 | 17.3 | Details |
| 26 | Vikings Classical March 2025 (B) | Standard | 2025-03-15 | 2025-03-15 | Buffalo City (EBC) | 5 | 1239.6 | 5 | 3 | 1414.6 | 17.8 | Details |
| 27 | Rapid Feb 2nd Leg 2025 (U14) | Rapid | 2025-02-21 | 2025-02-21 | Buffalo City (EBC) | 8 | 1196.8 | 7 | 6 | 1512.9 | 16.9 | Details |
| 28 | Beacon Bay Feb Rapid Chess Tournament 2025 (B) | Rapid | 2025-02-01 | 2025-02-01 | Buffalo City (EBC) | 6 | 1196.8 | 6 | 3 | 1300.6 | 6.8 | Details |
| 29 | East London Open 2024 (B) | Standard | 2024-10-05 | 2024-10-05 | Buffalo City (EBC) | 5 | 1200 | 5 | 2 | 1136.6 | -5.3 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 3 |
| Draws | 0 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 3 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1446.2 |
| Performance | 1531.2 |
Game statistics ()
| Games | 50 |
| Wins | 25 |
| Draws | 2 |
| Losses | 23 |
| White | 26 |
| Black | 24 |
| White wins | 10 |
| Black wins | 15 |
| Score | 26 |
| Percent | 52 |
| Dp | 17 |
| AOR | 1426.6 |
| Performance | 1443.6 |
Game statistics (History)
| Games | 159 |
| Wins | 88 |
| Draws | 7 |
| Losses | 64 |
| White | 78 |
| Black | 81 |
| White wins | 43 |
| Black wins | 45 |
| Score | 91.5 |
| Percent | 57.5 |
| Dp | 64.2 |
| AOR | 1386.9 |
| Performance | 1451 |
Rankings (Main)
| National | |
| Overall | 3109 |
| Gender | 2662 |
| Age group | 413 |
| Gender/Age | 331 |
| Provincial | |
| Overall | 345 |
| Gender | 295 |
| Age group | 53 |
| Gender/Age | 47 |
| Regional | |
| Overall | 115 |
| Gender | 95 |
| Age group | 18 |
| Gender/Age | 16 |
Rankings (Standard)
| National | |
| Overall | 2494 |
| Gender | 2127 |
| Age group | 333 |
| Gender/Age | 262 |
| Provincial | |
| Overall | 282 |
| Gender | 240 |
| Age group | 47 |
| Gender/Age | 41 |
| Regional | |
| Overall | 98 |
| Gender | 81 |
| Age group | 17 |
| Gender/Age | 15 |
Rankings (Rapid)
| National | |
| Overall | 1680 |
| Gender | 1416 |
| Age group | 330 |
| Gender/Age | 260 |
| Provincial | |
| Overall | 136 |
| Gender | 117 |
| Age group | 26 |
| Gender/Age | 23 |
| Regional | |
| Overall | 47 |
| Gender | 37 |
| Age group | 11 |
| Gender/Age | 10 |
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 | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1446.2 |
| Dp | 85 |
| Prat | 1531.2 |
Performance ()
| Games | 50 |
| Score | 26 |
| Percent | 52 |
| Aor | 1426.6 |
| Dp | 17 |
| Prat | 1443.6 |
Performance (12 months)
| Games | 101 |
| Score | 54 |
| Percent | 53.5 |
| Aor | 1422.1 |
| Dp | 29.5 |
| Prat | 1451.6 |
Performance (History)
| Games | 159 |
| Score | 91.5 |
| Percent | 57.5 |
| Aor | 1386.9 |
| Dp | 64.2 |
| Prat | 1451 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Mabhera, JP (Jedidiah Panashe) | 8 | 3 | 5 | 2025 Buffalo City Chess Trials 1 (U14) | Vikings April Rapid 2026 (Open) | Details |
| Overall | 2 | Canham, E (Ethan) | 5 | 2 | 3 | 2025 Buffalo City Chess Trials 1 (U14) | 2026 Buffalo City Chess Trials 4 (U16) | Details |
| Overall | 3 | Fricke, L (Leon) | 4 | 3 | 1 | 2025 Buffalo City Chess Trials 3 (U14) | 2026 Buffalo City Chess Trials 1 (U16) | Details |
| Overall | 4 | Adams, C (Chezhaan Ethan) | 4 | 2 | 2 | Buffalo City Chess Junior Closed 2025 (U14 Open) | Checkmate Carnival Fundraiser 2026 (A) | Details |
| Overall | 5 | Kim, H (Haeol) | 3 | 2 | 1 | 3rd Chess Vikings Open Championship 2025 (A) | Eastern Cape Open 2026 (U16-U20 Boys) | Details |
| Standard | 1 | Mabhera, JP (Jedidiah Panashe) | 6 | 1 | 5 | 2025 Buffalo City Chess Trials 1 (U14) | 2026 Buffalo City Chess Trials 3 (U16) | Details |
| Standard | 2 | Canham, E (Ethan) | 5 | 2 | 3 | 2025 Buffalo City Chess Trials 1 (U14) | 2026 Buffalo City Chess Trials 4 (U16) | Details |
| Standard | 3 | Fricke, L (Leon) | 4 | 3 | 1 | 2025 Buffalo City Chess Trials 3 (U14) | 2026 Buffalo City Chess Trials 1 (U16) | Details |
| Standard | 4 | Adams, C (Chezhaan Ethan) | 3 | 1 | 2 | Buffalo City Chess Junior Closed 2025 (U14 Open) | Hudson Park Primary Festival 2026 (A) | Details |
| Standard | 5 | Beecum, V (Viha) | 2 | 2 | 0 | 2026 Buffalo City Chess Trials 3 (U16) | Hudson Park Primary Festival 2026 (A) | Details |
| Rapid | 1 | Masoeu, S (Senogo) | 2 | 2 | 0 | Beacon Bay Feb Rapid Chess Tournament 2025 (B) | Rapid Feb 2nd Leg 2025 (U14) | Details |
| Rapid | 2 | Moss, M (Mason) | 2 | 0 | 2 | BC Open 2025 (U10-U14) | Beacon Bay Christmas Rapid Tournament 2025 | Details |
| Rapid | 3 | Fourie, Z (Zion) | 2 | 1 | 1 | Beacon Bay Feb Rapid Chess Tournament 2025 (B) | Rapid Feb 2nd Leg 2025 (U14) | Details |
| Rapid | 4 | Mabhera, JP (Jedidiah Panashe) | 2 | 2 | 0 | Checkmate Carnival Fundraiser 2026 (A) | Vikings April Rapid 2026 (Open) | Details |
| Rapid | 5 | Kenyane, S (Simanye) | 2 | 2 | 0 | BC Open 2025 (U10-U14) | Beacon Bay Christmas Rapid Tournament 2025 | Details |