PLAYER PAGE
Matthew Mostert
1170306196Tshwane (GTP)Personal
Main rating
| Rating | 1309.7 |
| K-factor | 36 |
| Floor | 810.7 |
| Highest | 1310.7 (2025-08-01) |
| Min/Max +/- allowed | 142 |
| Rating Change () | |
| Games | 10 |
| Score | 7 |
| We | 5.64 |
| SWe | 1.13 |
| Temp +/- | 40.5 |
| Penalties | 0 |
| Weight perform | 1374 |
| Final +/- | +64.3 |
| New Rating () | |
| Rating | 1374 |
| K-factor | 36 |
| Floor | 874 |
| Highest | 1374 (2026-04-01) |
| Min/Max +/- allowed | 129.4 |
Standard rating
| Rating | 1310.4 |
| K-factor | 36 |
| Floor | 810.7 |
| Highest | 1310.7 (2025-08-01) |
| Min/Max +/- allowed | 141.6 |
| Rating Change () | |
| Games | 10 |
| Score | 7 |
| We | 5.64 |
| SWe | 1.36 |
| Temp +/- | 48.9 |
| Penalties | 0 |
| Weight perform | 1374 |
| Final +/- | +63.7 |
| New Rating () | |
| Rating | 1374 |
| K-factor | 36 |
| Floor | 874 |
| Highest | 1374 (2026-04-01) |
| Min/Max +/- allowed | 129.4 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-06-01) |
| 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 (2024-06-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-06-01) |
| 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 (2024-06-01) |
| Min/Max +/- allowed | 165.8 |
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 | 1309.7 | 5 | 3 | 1376 | 12.9 | Details |
| 2 | 2026 D3 Tshwane North School Cluster 4&5 Individuals (U9) | Standard | 2026-04-11 | 2026-04-11 | Tshwane (GTP) | 5 | 1309.7 | 5 | 4 | 1472.9 | 27.6 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Silver Lakes Open Chess Tournament | Standard | 2026-03-07 | 2026-03-07 | Tshwane (GTP) | 5 | 1296.1 | 5 | 3 | 1366.3 | 13.6 | Details |
| 2 | MCA Tshwane Welcome 2026 (U10) | Standard | 2026-01-24 | 2026-01-24 | Tshwane (GTP) | 5 | 1307.9 | 4 | 1 | 1103.6 | -15.8 | Details |
| 3 | 2026 Tshwane Chess Registration Tournament (U10) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1307.9 | 5 | 3 | 1409.7 | 4.9 | Details |
| 4 | 2025 Mzansi Individual Championships (U10 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1269.9 | 6 | 3 | 1421.5 | 21.2 | Details |
| 5 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1269.9 | 5 | 2 | 1277.7 | 0 | Details |
| 6 | 2025 Centurion Chess Open Tournament (U10) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1266.9 | 5 | 2 | 1277.8 | 1.7 | Details |
| 7 | 2025 Tshwane North District CLOSED Team Championships (D3) (U11) | Standard | 2025-08-16 | 2025-08-16 | Tshwane (GTP) | 5 | 1310.7 | 4 | 2 | 1190.8 | -9.3 | Details |
| 8 | 2025 Etienne Lewis Closed Chess Tournament (U10) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1310.7 | 7 | 3 | 1217.8 | -15 | Details |
| 9 | 2025 Menlo Open (U10) | Standard | 2025-07-26 | 2025-07-26 | Tshwane (GTP) | 5 | 1289.8 | 5 | 3 | 1447.1 | 13.3 | Details |
| 10 | South African Open 2025 (U10 Open) | Classical | 2025-07-03 | 2025-07-05 | Johannesburg Metro (GJM) | 5 | 1289.8 | 5 | 2 | 1265.9 | -2 | Details |
| 11 | 2025 Elise Steenkamp Open Chess Tournament (Knight) | Standard | 2025-06-14 | 2025-06-15 | Tshwane (GTP) | 5 | 1309.6 | 5 | 2 | 1202.7 | -11.1 | Details |
| 12 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Standard | 2025-05-24 | 2025-05-24 | Tshwane (GTP) | 5 | 1278.4 | 5 | 3 | 1323.5 | 3.8 | Details |
| 13 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | Standard | 2025-05-10 | 2025-05-10 | Tshwane (GTP) | 5 | 1278.4 | 5 | 3.5 | 1326.6 | 5.5 | Details |
| 14 | South African Junior Closed Chess Championships 2025 (U8 Open) | Classical | 2025-03-31 | 2025-04-05 | Cape Winelands (WCW) | 9 | 1215.6 | 9 | 4 | 1386.6 | 34.8 | Details |
| 15 | Lubowski Open 2025 (E+F) | Standard | 2025-03-21 | 2025-03-21 | Tshwane (GTP) | 5 | 1179.6 | 5 | 3 | 1320.9 | 14.8 | Details |
| 16 | AHS Open Chess Tournament 2025 (U10) | Standard | 2025-03-01 | 2025-03-01 | Tshwane (GTP) | 5 | 1179.6 | 5 | 2 | 1160 | -2.7 | Details |
| 17 | 2025 Blou Bul Open Chess Tournament (E) | Standard | 2025-02-08 | 2025-02-08 | Tshwane (GTP) | 5 | 1171.9 | 5 | 2.5 | 1153.7 | -1 | Details |
| 18 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | Standard | 2025-02-01 | 2025-02-01 | Tshwane (GTP) | 5 | 1171.9 | 5 | 2.5 | 1213.3 | 5.3 | Details |
| 19 | 2025 Tshwane Chess OPEN Registration Tournament (U10) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1095.5 | 5 | 3 | 1316.3 | 22.1 | Details |
| 20 | Mzansi Interprovincial Youth Chess Championships 2024 (U8 Open Combined) | Classical | 2024-12-16 | 2024-12-19 | Capricorn (LCP) | 7 | 1166.8 | 7 | 3 | 1190.4 | 4.6 | Details |
| 21 | Gauteng Inter-Region at UJ 2024 (U8 Open) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1166.8 | 5 | 0 | 795.4 | -40.1 | Details |
| 22 | 2024 Etienne Lewis (U8) | Standard | 2024-08-31 | 2024-08-31 | Tshwane (GTP) | 5 | 1186.4 | 5 | 2 | 1102.5 | -9.8 | Details |
| 23 | 2024 Alekhine Open Chess Tournament (U8) | Standard | 2024-08-09 | 2024-08-09 | Tshwane (GTP) | 5 | 1153.7 | 5 | 3 | 1294.5 | 16.3 | Details |
| 24 | 2024 Prestige College Open Chess Tournament (F) | Standard | 2024-07-06 | 2024-07-06 | Tshwane (GTP) | 5 | 1124.8 | 5 | 3 | 1278.6 | 14.4 | Details |
| 25 | 2024 Elise Steenkamp Open Chess Tournament (Bishops) | Standard | 2024-06-15 | 2024-06-15 | Tshwane (GTP) | 5 | 1200 | 4 | 0 | 776.7 | -37.5 | Details |
Game statistics ( )
| Games | 10 |
| Wins | 7 |
| Draws | 0 |
| Losses | 3 |
| White | 5 |
| Black | 5 |
| White wins | 4 |
| Black wins | 3 |
| Score | 7 |
| Percent | 70 |
| Dp | 170 |
| AOR | 1254.5 |
| Performance | 1424.5 |
Game statistics ()
| Games | 24 |
| Wins | 14 |
| Draws | 0 |
| Losses | 10 |
| White | 12 |
| Black | 12 |
| White wins | 6 |
| Black wins | 8 |
| Score | 14 |
| Percent | 58.3 |
| Dp | 70.8 |
| AOR | 1285 |
| Performance | 1355.8 |
Game statistics (History)
| Games | 141 |
| Wins | 65 |
| Draws | 5 |
| Losses | 71 |
| White | 70 |
| Black | 71 |
| White wins | 35 |
| Black wins | 30 |
| Score | 67.5 |
| Percent | 47.9 |
| Dp | -18.1 |
| AOR | 1273.8 |
| Performance | 1255.7 |
Rankings (Main)
| National | |
| Overall | 5828 |
| Gender | 4806 |
| Age group | 206 |
| Gender/Age | 159 |
| Provincial | |
| Overall | 1934 |
| Gender | 1610 |
| Age group | 68 |
| Gender/Age | 52 |
| Regional | |
| Overall | 671 |
| Gender | 555 |
| Age group | 27 |
| Gender/Age | 21 |
Rankings (Standard)
| National | |
| Overall | 5254 |
| Gender | 4312 |
| Age group | 198 |
| Gender/Age | 149 |
| Provincial | |
| Overall | 1832 |
| Gender | 1518 |
| Age group | 68 |
| Gender/Age | 51 |
| Regional | |
| Overall | 655 |
| Gender | 541 |
| Age group | 27 |
| Gender/Age | 21 |
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 |
| Percent | 70 |
| Aor | 1254.5 |
| Dp | 170 |
| Prat | 1424.5 |
Performance ()
| Games | 24 |
| Score | 14 |
| Percent | 58.3 |
| Aor | 1285 |
| Dp | 70.8 |
| Prat | 1355.8 |
Performance (12 months)
| Games | 76 |
| Score | 39.5 |
| Percent | 52 |
| Aor | 1298.5 |
| Dp | 16.8 |
| Prat | 1315.3 |
Performance (History)
| Games | 141 |
| Score | 67.5 |
| Percent | 47.9 |
| Aor | 1273.8 |
| Dp | -18.1 |
| Prat | 1255.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Bosch Dippenaar, B (Benjamin) | 4 | 4 | 0 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | 2025 Centurion Chess Open Tournament (U10) | Details |
| Overall | 2 | Roelofse, G (Gizelle) | 3 | 0 | 3 | AHS Open Chess Tournament 2025 (U10) | 2025 Etienne Lewis Closed Chess Tournament (U10) | Details |
| Overall | 3 | Sidindi, M (Macjames) | 3 | 1 | 2 | 2024 Elise Steenkamp Open Chess Tournament (Bishops) | Gauteng Inter-Region at UJ 2024 (U8 Open) | Details |
| Overall | 4 | Simao, R (Raul) | 3 | 1 | 2 | 2024 Elise Steenkamp Open Chess Tournament (Bishops) | AHS Open Chess Tournament 2025 (U10) | Details |
| Overall | 5 | Ackerman, J (Janlu) | 3 | 2 | 1 | Lubowski Open 2025 (E+F) | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Details |
| Standard | 1 | Bosch Dippenaar, B (Benjamin) | 4 | 4 | 0 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | 2025 Centurion Chess Open Tournament (U10) | Details |
| Standard | 2 | Collen, V (Videl) | 3 | 2 | 1 | 2024 Alekhine Open Chess Tournament (U8) | 2025 Centurion Chess Open Tournament (U10) | Details |
| Standard | 3 | Sidindi, M (Macjames) | 3 | 1 | 2 | 2024 Elise Steenkamp Open Chess Tournament (Bishops) | Gauteng Inter-Region at UJ 2024 (U8 Open) | Details |
| Standard | 4 | Simao, R (Raul) | 3 | 1 | 2 | 2024 Elise Steenkamp Open Chess Tournament (Bishops) | AHS Open Chess Tournament 2025 (U10) | Details |
| Standard | 5 | Ackerman, J (Janlu) | 3 | 2 | 1 | Lubowski Open 2025 (E+F) | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Details |