PLAYER PAGE
Hendrik Van Der Merwe
1120148665Tshwane (GTP)Personal
Main rating
| Rating | 1271.6 |
| K-factor | 36 |
| Floor | 853.7 |
| Highest | 1372.3 (2025-11-01) |
| Min/Max +/- allowed | 130 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1196.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1271.6 |
| K-factor | 36 |
| Floor | 853.7 |
| Highest | 1372.3 (2025-11-01) |
| Min/Max +/- allowed | 129.7 |
Standard rating
| Rating | 1281.6 |
| K-factor | 36 |
| Floor | 869 |
| Highest | 1369.4 (2025-11-01) |
| Min/Max +/- allowed | 130.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1230.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1281.6 |
| K-factor | 36 |
| Floor | 869 |
| Highest | 1369.4 (2025-11-01) |
| Min/Max +/- allowed | 130.3 |
Rapid rating
| Rating | 1190.9 |
| 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 | 1190.9 |
| 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 | 2026 D4 Tshwane South Team Finals (U15 Open) | Rapid | 2026-08-22 | 2026-08-22 | Tshwane (GTP) | 5 | 1271.6 | 5 | 3 | 1192.8 | -12.1 | Details |
| 2 | 2026 Etienne Lewis (U16) | Standard | 2026-08-08 | 2026-08-10 | Tshwane (GTP) | 7 | 1271.6 | 7 | 2.5 | 1235.9 | -20.7 | Details |
| 3 | 2026 Menlo Open (C) | Standard | 2026-07-25 | 2026-07-25 | Tshwane (GTP) | 5 | 1271.6 | 4 | 2 | 1239.2 | -10.5 | Details |
| 4 | 2026 D4 Central Cluster Individuals (U15 Boys) | Standard | 2026-05-23 | 2026-05-23 | Tshwane (GTP) | 5 | 1306.6 | 5 | 3 | 1346.3 | 8.3 | Details |
| 5 | 2026 Lubowski Open Chess Tournament (D2) | Standard | 2026-03-21 | 2026-03-22 | Tshwane (GTP) | 5 | 1331.7 | 5 | 2.5 | 1211.3 | -25.1 | Details |
| 6 | 2026 Tshwane Chess Registration Tournament (C2) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1336.8 | 5 | 2 | 1315.4 | -2.8 | Details |
| 7 | Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1357.8 | 5 | 2 | 1265 | -9.4 | Details |
| 8 | 2025 Gauteng Top Schools Teams (U13) | Standard | 2025-08-29 | 2025-08-29 | Tshwane (GTP) | 5 | 1301.1 | 5 | 4 | 1594.5 | 29.2 | Details |
| 9 | 2025 Tshwane South School District CLOSED League Championship (U13A) | Standard | 2025-08-15 | 2025-08-15 | Tshwane (GTP) | 5 | 1211.9 | 5 | 3 | 1280.7 | 7.5 | Details |
| 10 | 2025 Etienne Lewis Closed Chess Tournament (U14) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1211.9 | 7 | 4 | 1481.6 | 42 | Details |
| 11 | 2025 Menlo Open (B) | Standard | 2025-07-26 | 2025-07-26 | Tshwane (GTP) | 5 | 1199.1 | 5 | 2 | 1280.7 | 7.1 | Details |
| 12 | 2025 Elise Steenkamp Open Chess Tournament (Rook) | Standard | 2025-06-14 | 2025-06-16 | Tshwane (GTP) | 7 | 1209 | 7 | 2 | 1056.9 | -22.7 | Details |
| 13 | AHS Open Chess Tournament 2025 (D) | Standard | 2025-03-01 | 2025-03-01 | Tshwane (GTP) | 5 | 1212.8 | 5 | 2 | 1184.8 | -2.2 | Details |
| 14 | Constantiapark Open 2025 (D) | Standard | 2025-02-15 | 2025-02-15 | Tshwane (GTP) | 5 | 1200.3 | 5 | 3 | 1278.7 | 7 | Details |
| 15 | 2025 Tshwane Chess OPEN Registration Tournament (B3) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1231 | 5 | 1 | 1049.8 | -17.1 | Details |
| 16 | Gauteng Inter-Region at UJ 2024 (U14 Candidates) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1208.3 | 5 | 3 | 1330.2 | 12.6 | Details |
| 17 | 2024 Etienne Lewis (U14) | Standard | 2024-08-30 | 2024-09-01 | Tshwane (GTP) | 7 | 1176.2 | 7 | 3 | 1288.6 | 17.8 | Details |
| 18 | 2024 Alekhine Open Chess Tournament (B) | Standard | 2024-08-09 | 2024-08-10 | Tshwane (GTP) | 5 | 1205.3 | 5 | 1 | 1053.9 | -16.1 | Details |
| 19 | Menlopark Open Chess Tournament 2024 (C) | Standard | 2024-07-13 | 2024-07-13 | Tshwane (GTP) | 5 | 1196.7 | 5 | 3 | 1234.8 | 4.5 | Details |
| 20 | 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) | Standard | 2024-05-11 | 2024-05-11 | Tshwane (GTP) | 5 | 1158.2 | 5 | 3 | 1393.9 | 21.4 | Details |
| 21 | 2024 Milos Ristic Open Chess Tournament (B) | Standard | 2024-04-27 | 2024-04-27 | Tshwane (GTP) | 5 | 1174 | 5 | 1.5 | 1077.2 | -8.8 | Details |
| 22 | 2024 Tshwane Chess AHS Open Chess Tournament (D1) | Standard | 2024-02-24 | 2024-02-24 | Tshwane (GTP) | 5 | 1160.9 | 5 | 2 | 1229.7 | 7.3 | Details |
| 23 | 2024 Tshwane Chess OPEN Registration Tournament (D1) | Standard | 2024-01-27 | 2024-01-27 | Tshwane (GTP) | 5 | 1207.4 | 5 | 2 | 1148.8 | -5 | Details |
| 24 | 2024 Gauteng Inter-Region Chess Championship (U12C) | Standard | 2024-01-13 | 2024-01-14 | Tshwane (GTP) | 5 | 1207.4 | 5 | 2 | 1025.3 | -20.8 | Details |
| 25 | 2023 Alekhine Open Tournament (D) | Standard | 2023-09-09 | 2023-09-09 | Tshwane (GTP) | 5 | 1219.9 | 5 | 2 | 1165.5 | -6.8 | Details |
| 26 | 2023 Gauteng Top Schools (U11 Mixed) | Standard | 2023-08-18 | 2023-08-18 | West Rand (GWR) | 5 | 1249.4 | 5 | 2.5 | 1199.7 | -4.1 | Details |
| 27 | 2023 Etienne Lewis Closed Tournament (U12) | Standard | 2023-08-25 | 2023-08-27 | Tshwane (GTP) | 7 | 1249.4 | 7 | 3 | 1176.2 | -12 | Details |
| 28 | 2023 Tshwane South School District CLOSED League Championship (U11) | Standard | 2023-07-29 | 2023-07-29 | Tshwane (GTP) | 5 | 1209.9 | 5 | 4 | 1372.6 | 15.3 | Details |
| 29 | 2023 Menlo Open Tournament (D) | Standard | 2023-07-22 | 2023-07-22 | Tshwane (GTP) | 5 | 1209.9 | 5 | 2 | 1111.6 | -10.3 | Details |
| 30 | 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) | Standard | 2023-04-22 | 2023-04-22 | Tshwane (GTP) | 5 | 1166.8 | 5 | 3 | 1332 | 15.3 | Details |
| 31 | Tuks Junior Developmental Chess Tournament 2023 (Red) | Standard | 2023-03-18 | 2023-03-18 | Tshwane (GTP) | 5 | 1143.9 | 5 | 3.5 | 1360.6 | 20.4 | Details |
| 32 | 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D2) | Standard | 2023-03-04 | 2023-03-04 | Tshwane (GTP) | 5 | 1143.9 | 5 | 2 | 1056.6 | -9.3 | Details |
| 33 | Laerskool Constantiapark Open Chess Tournament 2023 (U12) | Standard | 2023-02-18 | 2023-02-18 | Tshwane (GTP) | 5 | 1136.6 | 5 | 2.5 | 1166.4 | 3.7 | Details |
| 34 | 2023 Tshwane Chess Open Registration Tournament (D2) | Standard | 2023-01-28 | 2023-01-28 | Tshwane (GTP) | 5 | 1200 | 4 | 0.5 | 792.2 | -31.7 | 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 | 31 |
| Wins | 14 |
| Draws | 2 |
| Losses | 15 |
| White | 15 |
| Black | 16 |
| White wins | 7 |
| Black wins | 7 |
| Score | 15 |
| Percent | 48.4 |
| Dp | -13.7 |
| AOR | 1269.8 |
| Performance | 1256 |
Game statistics (History)
| Games | 178 |
| Wins | 80 |
| Draws | 7 |
| Losses | 91 |
| White | 87 |
| Black | 91 |
| White wins | 44 |
| Black wins | 36 |
| Score | 83.5 |
| Percent | 46.9 |
| Dp | -26.3 |
| AOR | 1251.5 |
| Performance | 1225.2 |
Rankings (Main)
| National | |
| Overall | 7486 |
| Gender | 6066 |
| Age group | 1231 |
| Gender/Age | 967 |
| Provincial | |
| Overall | 2574 |
| Gender | 2070 |
| Age group | 433 |
| Gender/Age | 329 |
| Regional | |
| Overall | 830 |
| Gender | 673 |
| Age group | 145 |
| Gender/Age | 116 |
Rankings (Standard)
| National | |
| Overall | 6104 |
| Gender | 4906 |
| Age group | 976 |
| Gender/Age | 762 |
| Provincial | |
| Overall | 2203 |
| Gender | 1769 |
| Age group | 359 |
| Gender/Age | 272 |
| Regional | |
| Overall | 753 |
| Gender | 604 |
| Age group | 131 |
| Gender/Age | 103 |
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 | 31 |
| Score | 15 |
| Percent | 48.4 |
| Aor | 1269.8 |
| Dp | -13.7 |
| Prat | 1256 |
Performance (12 months)
| Games | 36 |
| Score | 17 |
| Percent | 47.2 |
| Aor | 1280.9 |
| Dp | -23.6 |
| Prat | 1257.3 |
Performance (History)
| Games | 178 |
| Score | 83.5 |
| Percent | 46.9 |
| Aor | 1251.5 |
| Dp | -26.3 |
| Prat | 1225.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Veldman, C (Chantane) | 3 | 2 | 1 | 2024 Etienne Lewis (U14) | 2026 Tshwane Chess Registration Tournament (C2) | Details |
| Overall | 2 | Fokker, CD (Christiaan Dirk) | 3 | 1 | 2 | 2023 Etienne Lewis Closed Tournament (U12) | Gauteng Inter-Region at UJ 2024 (U14 Candidates) | Details |
| Overall | 3 | Bogaard, A (Anneke) | 3 | 1 | 2 | Tuks Junior Developmental Chess Tournament 2023 (Red) | 2024 Etienne Lewis (U14) | Details |
| Overall | 4 | Coetzee, M (Mauritz) | 3 | 1 | 2 | Laerskool Constantiapark Open Chess Tournament 2023 (U12) | 2024 Etienne Lewis (U14) | Details |
| Overall | 5 | Grahan, T (Tylo) | 3 | 0 | 3 | 2023 Etienne Lewis Closed Tournament (U12) | 2025 Tshwane Chess OPEN Registration Tournament (B3) | Details |
| Standard | 1 | Veldman, C (Chantane) | 3 | 2 | 1 | 2024 Etienne Lewis (U14) | 2026 Tshwane Chess Registration Tournament (C2) | Details |
| Standard | 2 | Fokker, CD (Christiaan Dirk) | 3 | 1 | 2 | 2023 Etienne Lewis Closed Tournament (U12) | Gauteng Inter-Region at UJ 2024 (U14 Candidates) | Details |
| Standard | 3 | Bogaard, A (Anneke) | 3 | 1 | 2 | Tuks Junior Developmental Chess Tournament 2023 (Red) | 2024 Etienne Lewis (U14) | Details |
| Standard | 4 | Coetzee, M (Mauritz) | 3 | 1 | 2 | Laerskool Constantiapark Open Chess Tournament 2023 (U12) | 2024 Etienne Lewis (U14) | Details |
| Standard | 5 | Grahan, T (Tylo) | 3 | 0 | 3 | 2023 Etienne Lewis Closed Tournament (U12) | 2025 Tshwane Chess OPEN Registration Tournament (B3) | Details |