PLAYER PAGE
Heinrich Forbes De Klerk
194006511Dr Kenneth Kaunda (NWP)Personal
Main rating
| Rating | 1342.6 |
| K-factor | 36 |
| Floor | 842.6 |
| Highest | 1342.6 (2025-11-01) |
| Min/Max +/- allowed | 135 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1342.6 |
| K-factor | 36 |
| Floor | 842.6 |
| Highest | 1342.6 (2025-11-01) |
| Min/Max +/- allowed | 135.3 |
Standard rating
| Rating | 1344.6 |
| K-factor | 36 |
| Floor | 844.6 |
| Highest | 1344.6 (2025-11-01) |
| Min/Max +/- allowed | 134.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1344.6 |
| K-factor | 36 |
| Floor | 844.6 |
| Highest | 1344.6 (2025-11-01) |
| Min/Max +/- allowed | 134.9 |
Rapid rating
| Rating | 1300 |
| K-factor | 36 |
| Floor | 800 |
| Highest | 1300 (2024-02-01) |
| Min/Max +/- allowed | 143.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1300 |
| K-factor | 36 |
| Floor | 800 |
| Highest | 1300 (2024-02-01) |
| Min/Max +/- allowed | 143.8 |
Blitz rating
| Rating | 1300 |
| K-factor | 36 |
| Floor | 800 |
| Highest | 1300 (2024-02-01) |
| Min/Max +/- allowed | 143.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1300 |
| K-factor | 36 |
| Floor | 800 |
| Highest | 1300 (2024-02-01) |
| Min/Max +/- allowed | 143.8 |
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 | Cape Town Chess Federation Club League 2025 (E) | Standard | 2025-08-16 | 2025-08-23 | Cape Town (WCT) | 6 | 1303.8 | 4 | 3.5 | 1566.6 | 0 | Details |
| 2 | Cape Town Open Chess Festival 2025 (C) | Standard | 2025-03-22 | 2025-03-23 | Cape Town (WCT) | 6 | 1300 | 6 | 3 | 1316.1 | 0 | Details |
| 3 | Section A :u18 + Adults | Standard | 2011-04-15 | 2011-04-15 | Dr Kenneth Kaunda (NWP) | 6 | 1192 | 6 | 3.5 | 1337 | 0 | Details |
| 4 | Khs Ope 20 | Standard | 2011-02-25 | 2011-02-25 | Dr Kenneth Kaunda (NWP) | 6 | 1130 | 6 | 4 | 1354 | 0 | Details |
| 5 | Girls High Open U 20 Adults | Standard | 2011-02-11 | 2011-02-11 | Dr Kenneth Kaunda (NWP) | 6 | 1132 | 6 | 2.5 | 1130 | 0 | Details |
| 6 | South African Junior Chess Championships 2010 (Team - U18 B-Section) | Classical | 2010-12-12 | 2010-12-15 | Mid-Gauteng (GM) | 7 | 1152 | 6 | 2.5 | 1033 | 0 | Details |
| 7 | North West Trials 18 | Standard | 2010-08-13 | 2010-08-13 | Dr Kenneth Kaunda (NWP) | 6 | 1135 | 6 | 3.5 | 1237 | 0 | Details |
| 8 | Meiringspark Ope 20 | Standard | 2010-07-23 | 2010-07-24 | Dr Kenneth Kaunda (NWP) | 6 | 1125 | 6 | 3 | 1205 | 0 | Details |
| 9 | Wesvalia Ope A | Standard | 2010-04-30 | 2010-05-01 | Dr Kenneth Kaunda (NWP) | 6 | 1154 | 6 | 2 | 1004 | 0 | Details |
| 10 | President Ope 20 | Standard | 2010-06-06 | 2010-06-07 | Dr Kenneth Kaunda (NWP) | 6 | 1160 | 6 | 2.5 | 1126 | 0 | Details |
| 11 | Nwu Ope (B-Section) | Standard | 2010-03-14 | 2010-03-14 | Dr Kenneth Kaunda (NWP) | 6 | 1187 | 6 | 3 | 924 | 0 | Details |
| 12 | Mooi Rivier Open (Senior) | Standard | 2010-02-16 | 2010-02-16 | Dr Kenneth Kaunda (NWP) | 6 | 1235 | 6 | 2 | 938 | 0 | Details |
| 13 | South African Junior Team Championships 2009 (U 16 D-Section) | Standard | 2009-12-01 | 2009-12-05 | Western Province (WP) | 7 | 1090 | 5 | 2 | 1010 | 0 | Details |
| 14 | North West Trails 16 | Standard | 2009-08-28 | 2009-08-28 | Dr Kenneth Kaunda (NWP) | 7 | 1151 | 7 | 2 | 926 | 0 | Details |
| 15 | Driefonteine Ope 20 | Standard | 2009-07-20 | 2009-07-20 | Dr Kenneth Kaunda (NWP) | 6 | 1054 | 6 | 2 | 996 | 0 | Details |
| 16 | Unie Ope 20 | Standard | 2009-05-25 | 2009-05-25 | Dr Kenneth Kaunda (NWP) | 6 | 1026 | 6 | 3.5 | 1137 | 0 | Details |
| 17 | President Ope 20 | Standard | 2009-05-04 | 2009-05-04 | Dr Kenneth Kaunda (NWP) | 6 | 1020 | 6 | 3 | 1061 | 0 | Details |
| 18 | Mooirevier Ope 20 | Standard | 2009-04-04 | 2009-04-04 | Dr Kenneth Kaunda (NWP) | 6 | 978 | 6 | 4 | 1194 | 0 | Details |
| 19 | Khs Hoerskool Ope | Standard | 2009-03-19 | 2009-03-19 | Dr Kenneth Kaunda (NWP) | 6 | 933 | 6 | 3.5 | 1188 | 0 | Details |
| 20 | South African Junior Team Championships 2008 (U16 | Standard | 2008-12-18 | 2008-12-18 | Western Province (WP) | 7 | 979 | 7 | 1.5 | 740 | 0 | Details |
| 21 | Festival 2009 - Open Jeunes Baron Des Echecs | Blitz | 2009-08-01 | 2009-08-01 | 0 | 1037 | 9 | 0 | 1700 | 0 | Details | |
| 22 | Ferdies Ope 16 | Blitz | 2008-09-12 | 2008-09-12 | 0 | 999 | 5 | 0 | 851 | 0 | Details | |
| 23 | Goudkop Ope A | Blitz | 2008-09-16 | 2008-09-16 | 0 | 982 | 6 | 0 | 1144 | 0 | Details | |
| 24 | Girls High Open A | Blitz | 2008-08-23 | 2008-08-23 | 0 | 990 | 6 | 0 | 959 | 0 | Details | |
| 25 | Absa Ope A | Blitz | 2008-05-30 | 2008-05-30 | 0 | 926 | 5 | 0 | 1119 | 0 | Details | |
| 26 | Meiringspark Ope A | Blitz | 2008-07-25 | 2008-07-25 | 0 | 976 | 6 | 0 | 1040 | 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 | 10 |
| Wins | 6 |
| Draws | 1 |
| Losses | 3 |
| White | 5 |
| Black | 5 |
| White wins | 4 |
| Black wins | 2 |
| Score | 6.5 |
| Percent | 65 |
| Dp | 127.5 |
| AOR | 1288.8 |
| Performance | 1416.3 |
Rankings (Main)
| National | |
| Overall | 4618 |
| Gender | 3866 |
| Age group | 1254 |
| Gender/Age | 1150 |
| Provincial | |
| Overall | 295 |
| Gender | 257 |
| Age group | 88 |
| Gender/Age | 81 |
| Regional | |
| Overall | 67 |
| Gender | 62 |
| Age group | 25 |
| Gender/Age | 23 |
Rankings (Standard)
| National | |
| Overall | 4130 |
| Gender | 3447 |
| Age group | 1081 |
| Gender/Age | 995 |
| Provincial | |
| Overall | 282 |
| Gender | 248 |
| Age group | 86 |
| Gender/Age | 80 |
| Regional | |
| Overall | 67 |
| Gender | 62 |
| Age group | 23 |
| 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 | 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 | 10 |
| Score | 6.5 |
| Percent | 65 |
| Aor | 1288.8 |
| Dp | 127.5 |
| Prat | 1416.3 |
Performance (History)
| Games | 10 |
| Score | 6.5 |
| Percent | 65 |
| Aor | 1288.8 |
| Dp | 127.5 |
| Prat | 1416.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
