PLAYER PAGE
Jacobus Bekker
1170157327Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1624.1 |
| K-factor | 28 |
| Floor | 1124.1 |
| Highest | 1624.1 (2026-03-01) |
| Min/Max +/- allowed | 91 |
| Rating Change () | |
| Games | 10 |
| Score | 7.5 |
| We | 7.61 |
| SWe | -0.09 |
| Temp +/- | -2.6 |
| Penalties | 0 |
| Weight perform | 1658.1 |
| Final +/- | +34 |
| New Rating () | |
| Rating | 1658.1 |
| K-factor | 28 |
| Floor | 1158.1 |
| Highest | 1658.1 (2026-04-01) |
| Min/Max +/- allowed | 86.3 |
Standard rating
| Rating | 1636 |
| K-factor | 28 |
| Floor | 1136 |
| Highest | 1636 (2026-03-01) |
| Min/Max +/- allowed | 89.1 |
| Rating Change () | |
| Games | 10 |
| Score | 7.5 |
| We | 7.74 |
| SWe | -0.24 |
| Temp +/- | -6.6 |
| Penalties | 0 |
| Weight perform | 1658.1 |
| Final +/- | +22.1 |
| New Rating () | |
| Rating | 1658.1 |
| K-factor | 28 |
| Floor | 1158.1 |
| Highest | 1658.1 (2026-04-01) |
| Min/Max +/- allowed | 86.3 |
Rapid rating
| Rating | 1255.4 |
| K-factor | 36 |
| Floor | 755.4 |
| Highest | 1455.5 (2023-09-01) |
| Min/Max +/- allowed | 115.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1255.4 |
| K-factor | 36 |
| Floor | 755.4 |
| Highest | 1455.5 (2023-09-01) |
| Min/Max +/- allowed | 115.2 |
Blitz rating
| Rating | 1269.1 |
| K-factor | 36 |
| Floor | 769.1 |
| Highest | 1269.1 (2025-11-30) |
| Min/Max +/- allowed | 150.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1269.1 |
| K-factor | 36 |
| Floor | 769.1 |
| Highest | 1269.1 (2025-11-30) |
| Min/Max +/- allowed | 150.3 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 KSNG Open Chess Tournament (U8+U10) | Standard | 2026-04-18 | 2026-04-18 | Tshwane (GTP) | 5 | 1624.1 | 5 | 4 | 1642.7 | 1.9 | Details |
| 2 | 2026 Mid Gauteng Open (U10) | Standard | 2026-04-11 | 2026-04-11 | Tshwane (GTP) | 5 | 1624.1 | 5 | 3.5 | 1581.9 | -4.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Chris Greyling Open Tournament (U8+U10) | Standard | 2026-03-14 | 2026-03-14 | Tshwane (GTP) | 5 | 1520.6 | 5 | 4.5 | 1743.3 | 33.9 | Details |
| 2 | 3rd Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) | Standard | 2026-03-08 | 2026-03-08 | Johannesburg Metro (GJM) | 5 | 1520.6 | 5 | 5 | 1820.1 | 48.1 | Details |
| 3 | 2026 JMC Kick off Tournament (U10) | Standard | 2026-02-01 | 2026-02-01 | Johannesburg Metro (GJM) | 5 | 1499.3 | 5 | 3.5 | 1645.3 | 7.7 | Details |
| 4 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1448.4 | 5 | 5 | 1727.2 | 31.8 | Details |
| 5 | Commonwealth Chess Championship 2025 (Blitz) | Blitz | 2025-11-16 | 2025-11-16 | Malaysia (MAS) | 9 | 1530.9 | 9 | 3 | 1393.4 | -5.1 | Details |
| 6 | Commonwealth Chess Championship 2025 | Classical | 2025-11-09 | 2025-11-16 | Malaysia (MAS) | 9 | 1530.9 | 9 | 3.5 | 1272.7 | -46.4 | Details |
| 7 | 2025 Laerskool Doringkloof Primary Open Chess Tournament (U8+U10) | Standard | 2025-10-25 | 2025-10-25 | Tshwane (GTP) | 5 | 1504.1 | 5 | 3 | 1411.3 | -9.6 | Details |
| 8 | 2025 Gauteng Top Schools Teams (U11) | Standard | 2025-08-29 | 2025-08-29 | Tshwane (GTP) | 5 | 1504.1 | 4 | 4 | 1694.1 | 14.9 | Details |
| 9 | Bojanala's FIDE On The Orion Express 2025 (Little Pawns) | Classical | 2025-10-04 | 2025-10-05 | Bojanala Platina (NBR) | 7 | 1504.1 | 7 | 5 | 1576.4 | 11.4 | Details |
| 10 | Laerskool Eligwa Open 20 Sept 2025 (F) | Standard | 2025-09-20 | 2025-09-20 | Sedibeng (GSV) | 5 | 1477.4 | 5 | 5 | 1638.1 | 16.6 | Details |
| 11 | JMC Closed 2025 (U10) | Standard | 2025-08-09 | 2025-08-09 | Johannesburg Metro (GJM) | 5 | 1485.4 | 4 | 2 | 1420.8 | -5 | Details |
| 12 | 2025 Wynie Robbertse Chess Tournament (U10) | Standard | 2025-07-19 | 2025-07-19 | Tshwane (GTP) | 5 | 1499.1 | 5 | 3 | 1417 | -8.5 | Details |
| 13 | JMC Helpmekaar 2025 (U10) | Standard | 2025-06-01 | 2025-06-01 | Johannesburg Metro (GJM) | 5 | 1431.4 | 5 | 4 | 1717.8 | 28.6 | Details |
| 14 | JMC Crawford Sandton 2025 (U10) | Standard | 2025-05-10 | 2025-05-10 | Johannesburg Metro (GJM) | 5 | 1423.3 | 4 | 2 | 1334.9 | -6.8 | Details |
| 15 | 2025 Silver Lakes Chess Club Open Chess Tournament (U10) | Standard | 2025-05-03 | 2025-05-03 | Tshwane (GTP) | 5 | 1423.3 | 5 | 3.5 | 1537.1 | 11.8 | Details |
| 16 | South African Junior Closed Chess Championships 2025 (U8 Open) | Classical | 2025-03-31 | 2025-04-05 | Cape Winelands (WCW) | 9 | 1387.7 | 9 | 5 | 1497.4 | 22.2 | Details |
| 17 | 2025 Chris Greyling Open Chess Tournament (U10) | Standard | 2025-03-15 | 2025-03-15 | Tshwane (GTP) | 5 | 1413.3 | 5 | 2.5 | 1367.5 | -3.7 | Details |
| 18 | JMC Crawford Ruimsig 2025 (U10) | Standard | 2025-03-01 | 2025-03-01 | Johannesburg Metro (GJM) | 5 | 1413.3 | 5 | 2 | 1294.2 | -12.3 | Details |
| 19 | JMC Kick Off 2025 (U10) | Standard | 2025-02-02 | 2025-02-02 | Johannesburg Metro (GJM) | 5 | 1377.7 | 5 | 3.5 | 1573.5 | 19.8 | Details |
| 20 | Gauteng Inter-Region at UJ 2024 (U8 Open) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1367.9 | 5 | 2.5 | 1422.7 | 5.4 | Details |
| 21 | Lardies Ope 2024 (U8) | Standard | 2024-10-26 | 2024-10-26 | Tshwane (GTP) | 5 | 1383.7 | 5 | 3 | 1285.1 | -8.8 | Details |
| 22 | Gauteng Top Schools 2024 (U11 Open) | Standard | 2024-10-04 | 2024-10-04 | Ekurhuleni (GE) | 5 | 1363.6 | 4 | 3.5 | 1518.8 | 11 | Details |
| 23 | Centurion Chess Open Tournament 2024 (U8) | Standard | 2024-09-21 | 2024-09-21 | Tshwane (GTP) | 5 | 1394.7 | 5 | 2 | 1179.3 | -20.1 | Details |
| 24 | 2024 Curro Hazeldean High Open Chess Tournament (U8) | Standard | 2024-09-07 | 2024-09-07 | Tshwane (GTP) | 5 | 1394.7 | 4 | 3 | 1428.8 | 2.8 | Details |
| 25 | 2024 Jacaranda Round Robin Open Chess Tournament (U8) | Standard | 2024-08-17 | 2024-08-17 | Tshwane (GTP) | 5 | 1291.6 | 5 | 4 | 1533.9 | 24.4 | Details |
| 26 | JMC Closed 2024 (U8) | Standard | 2024-08-09 | 2024-08-09 | Johannesburg Metro (GJM) | 5 | 1291.6 | 5 | 3.5 | 1430.3 | 12.8 | Details |
| 27 | JMC Trinityhouse Little Falls 2024 (U8) | Standard | 2024-06-02 | 2024-06-02 | Johannesburg Metro (GJM) | 5 | 1274.1 | 5 | 3 | 1320.3 | 5.1 | Details |
| 28 | JMC Helpmekaar Kollege Tournament 2024 (U8) | Standard | 2024-05-04 | 2024-05-04 | Johannesburg Metro (GJM) | 5 | 1247.8 | 4 | 2 | 1333.9 | 6.6 | Details |
| 29 | 2024 Milos Ristic Open Chess Tournament (U8) | Standard | 2024-04-27 | 2024-04-27 | Tshwane (GTP) | 5 | 1243.6 | 5 | 3 | 1274 | 2.3 | Details |
| 30 | JMC Unika School Tournament 2024 | Standard | 2024-03-02 | 2024-03-02 | Johannesburg Metro (GJM) | 5 | 1217.6 | 5 | 3 | 1373.9 | 14.4 | Details |
| 31 | JMC Kick Off Tournament 2024 (U8) | Standard | 2024-01-28 | 2024-01-28 | Johannesburg Metro (GJM) | 5 | 1197.3 | 5 | 3 | 1307.2 | 11.3 | Details |
| 32 | 2023 U8 Open Chess Tournament | Rapid | 2023-09-02 | 2023-09-02 | Tshwane (GTP) | 5 | 1186.3 | 5 | 4 | 1456.8 | 19.7 | Details |
| 33 | 2023 Alekhine Open Tournament (E+F) | Standard | 2023-09-09 | 2023-09-09 | Tshwane (GTP) | 5 | 1186.3 | 5 | 2 | 1072.2 | -13.3 | Details |
| 34 | JNW Open - Trinityhouse Little Falls 2023 (U8) | Standard | 2023-06-24 | 2023-06-24 | Johannesburg Metro (GJM) | 5 | 1200 | 5 | 2 | 1129.4 | -7.6 | Details |
Game statistics ( )
| Games | 10 |
| Wins | 6 |
| Draws | 3 |
| Losses | 1 |
| White | 5 |
| Black | 5 |
| White wins | 2 |
| Black wins | 4 |
| Score | 7.5 |
| Percent | 75 |
| Dp | 212.5 |
| AOR | 1399.8 |
| Performance | 1612.3 |
Game statistics ()
| Games | 25 |
| Wins | 18 |
| Draws | 5 |
| Losses | 2 |
| White | 13 |
| Black | 12 |
| White wins | 8 |
| Black wins | 10 |
| Score | 20.5 |
| Percent | 82 |
| Dp | 272 |
| AOR | 1414.7 |
| Performance | 1686.7 |
Game statistics (History)
| Games | 188 |
| Wins | 111 |
| Draws | 18 |
| Losses | 59 |
| White | 95 |
| Black | 93 |
| White wins | 56 |
| Black wins | 55 |
| Score | 120 |
| Percent | 63.8 |
| Dp | 117.6 |
| AOR | 1334.3 |
| Performance | 1451.8 |
Rankings (Main)
| National | |
| Overall | 859 |
| Gender | 793 |
| Age group | 14 |
| Gender/Age | 12 |
| Provincial | |
| Overall | 304 |
| Gender | 277 |
| Age group | 6 |
| Gender/Age | 4 |
| Regional | |
| Overall | 118 |
| Gender | 106 |
| Age group | 4 |
| Gender/Age | 3 |
Rankings (Standard)
| National | |
| Overall | 747 |
| Gender | 691 |
| Age group | 13 |
| Gender/Age | 11 |
| Provincial | |
| Overall | 274 |
| Gender | 253 |
| Age group | 6 |
| Gender/Age | 4 |
| Regional | |
| Overall | 100 |
| Gender | 89 |
| Age group | 4 |
| Gender/Age | 3 |
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 | 10 |
| Score | 7.5 |
| Percent | 75 |
| Aor | 1399.8 |
| Dp | 212.5 |
| Prat | 1612.3 |
Performance ()
| Games | 25 |
| Score | 20.5 |
| Percent | 82 |
| Aor | 1414.7 |
| Dp | 272 |
| Prat | 1686.7 |
Performance (12 months)
| Games | 92 |
| Score | 63.5 |
| Percent | 69 |
| Aor | 1384.4 |
| Dp | 161.7 |
| Prat | 1546.1 |
Performance (History)
| Games | 188 |
| Score | 120 |
| Percent | 63.8 |
| Aor | 1334.3 |
| Dp | 117.6 |
| Prat | 1451.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Koorts, L (Lukas) | 9 | 3 | 6 | JMC Kick Off Tournament 2024 (U8) | 2026 JMC Kick off Tournament (U10) | Details |
| Overall | 2 | Sahoo, S (Shaurya) | 6 | 5 | 1 | 2024 Milos Ristic Open Chess Tournament (U8) | 2026 JMC Kick off Tournament (U10) | Details |
| Overall | 3 | Stelloh, A (Alexander) | 5 | 4 | 1 | JNW Open - Trinityhouse Little Falls 2023 (U8) | South African Junior Closed Chess Championships 2025 (U8 Open) | Details |
| Overall | 4 | Conradie, M (Marcus) | 4 | 1 | 3 | 2024 Jacaranda Round Robin Open Chess Tournament (U8) | 2026 Chris Greyling Open Tournament (U8+U10) | Details |
| Overall | 5 | Simao, R (Raul) | 3 | 1 | 2 | 2024 Milos Ristic Open Chess Tournament (U8) | Centurion Chess Open Tournament 2024 (U8) | Details |
| Standard | 1 | Koorts, L (Lukas) | 9 | 3 | 6 | JMC Kick Off Tournament 2024 (U8) | 2026 JMC Kick off Tournament (U10) | Details |
| Standard | 2 | Sahoo, S (Shaurya) | 6 | 5 | 1 | 2024 Milos Ristic Open Chess Tournament (U8) | 2026 JMC Kick off Tournament (U10) | Details |
| Standard | 3 | Stelloh, A (Alexander) | 5 | 4 | 1 | JNW Open - Trinityhouse Little Falls 2023 (U8) | South African Junior Closed Chess Championships 2025 (U8 Open) | Details |
| Standard | 4 | Conradie, M (Marcus) | 4 | 1 | 3 | 2024 Jacaranda Round Robin Open Chess Tournament (U8) | 2026 Chris Greyling Open Tournament (U8+U10) | Details |
| Standard | 5 | Simao, R (Raul) | 3 | 1 | 2 | 2024 Milos Ristic Open Chess Tournament (U8) | Centurion Chess Open Tournament 2024 (U8) | Details |