PLAYER PAGE
Berno Pretorius
1170300217Dr Kenneth Kaunda (NWP)Personal
Main rating
| Rating | 1437 |
| K-factor | 32 |
| Floor | 939.2 |
| Highest | 1439.2 (2026-02-28) |
| Min/Max +/- allowed | 118 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1403.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1437 |
| K-factor | 32 |
| Floor | 939.2 |
| Highest | 1439.2 (2026-02-28) |
| Min/Max +/- allowed | 117.9 |
Standard rating
| Rating | 1442.9 |
| K-factor | 32 |
| Floor | 945.6 |
| Highest | 1445.6 (2026-02-28) |
| Min/Max +/- allowed | 116.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1403.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1442.9 |
| K-factor | 32 |
| Floor | 945.6 |
| Highest | 1445.6 (2026-02-28) |
| Min/Max +/- allowed | 116.9 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-04-01) |
| 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 (2024-04-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-04-01) |
| 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 (2024-04-01) |
| 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 | Dr KK Volkies 2026 (U10) | Standard | 2026-05-09 | 2026-05-09 | Dr Kenneth Kaunda (NWP) | 5 | 1439.2 | 5 | 3.5 | 1415.9 | -2.2 | Details |
| 2 | Dr KK Chess - Curro 2026 (U10) | Standard | 2026-02-07 | 2026-02-07 | Dr Kenneth Kaunda (NWP) | 5 | 1416.5 | 5 | 4 | 1554.9 | 10 | Details |
| 3 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Championship) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1420.5 | 5 | 1.5 | 1406.7 | -2.4 | Details |
| 4 | DR KK Chess Volkies 2025 (U10) | Standard | 2025-10-18 | 2025-10-18 | Dr Kenneth Kaunda (NWP) | 5 | 1438.3 | 5 | 4 | 1540 | 10.8 | Details |
| 5 | Dr KK Regional Trials Potch 2025 (U10) | Standard | 2025-09-27 | 2025-09-27 | Dr Kenneth Kaunda (NWP) | 5 | 1438.3 | 5 | 2 | 1219.2 | -21.9 | Details |
| 6 | Knight Shift Open Chess Tournament 2025 (U10) | Standard | 2025-08-02 | 2025-08-02 | Dr Kenneth Kaunda (NWP) | 5 | 1416.2 | 5 | 4 | 1563.9 | 13.8 | Details |
| 7 | CURRO Tournament 2025 (U10) | Standard | 2025-04-12 | 2025-04-12 | Dr Kenneth Kaunda (NWP) | 5 | 1434.7 | 5 | 3 | 1321.6 | -11.5 | Details |
| 8 | Dr Kenneth Kaunda La Hoff PS 2025 (U10) | Standard | 2025-03-01 | 2025-03-01 | Dr Kenneth Kaunda (NWP) | 5 | 1425.2 | 5 | 4 | 1476 | 5.8 | Details |
| 9 | 2025 KSNG Open (U10) | Standard | 2025-02-22 | 2025-02-22 | Tshwane (GTP) | 5 | 1390.7 | 5 | 3 | 1384.7 | 0.2 | Details |
| 10 | DR KK Volkies 2025 (U8) | Standard | 2025-02-01 | 2025-02-01 | Dr Kenneth Kaunda (NWP) | 5 | 1390.7 | 5 | 5 | 1614.5 | 21.4 | Details |
| 11 | Gauteng Inter-Region at UJ 2024 (U8 Open) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1402.1 | 5 | 2 | 1330.9 | -7.1 | Details |
| 12 | DR KKD Mooirivier Trials 2024 (U8) | Standard | 2024-09-14 | 2024-09-14 | Dr Kenneth Kaunda (NWP) | 6 | 1275.6 | 6 | 6 | 1554.1 | 32.9 | Details |
| 13 | DR KKD Curro Agegroup 2024 (U10) | Standard | 2024-08-31 | 2024-08-31 | Dr Kenneth Kaunda (NWP) | 5 | 1275.6 | 5 | 3 | 1317.6 | 3.3 | Details |
| 14 | DR KK Gimmies 2024 (F Beginners) | Standard | 2024-07-13 | 2024-07-13 | Dr Kenneth Kaunda (NWP) | 5 | 1226 | 5 | 4.5 | 1514.4 | 27.6 | Details |
| 15 | DR KKD Saamtrek 2024 (Junior Beginners) | Standard | 2024-06-08 | 2024-06-08 | Dr Kenneth Kaunda (NWP) | 5 | 1214.6 | 5 | 3 | 1287.2 | 6.3 | Details |
| 16 | DR KKD Ferdies Mar 2024 (G) | Standard | 2024-03-02 | 2024-03-02 | Dr Kenneth Kaunda (NWP) | 5 | 1200 | 4 | 2.5 | 1294 | 7.3 | 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 | 10 |
| Wins | 6 |
| Draws | 3 |
| Losses | 1 |
| White | 4 |
| Black | 6 |
| White wins | 2 |
| Black wins | 4 |
| Score | 7.5 |
| Percent | 75 |
| Dp | 212.5 |
| AOR | 1272.9 |
| Performance | 1485.4 |
Game statistics (History)
| Games | 80 |
| Wins | 52 |
| Draws | 6 |
| Losses | 22 |
| White | 41 |
| Black | 39 |
| White wins | 24 |
| Black wins | 28 |
| Score | 55 |
| Percent | 68.8 |
| Dp | 159.4 |
| AOR | 1268.6 |
| Performance | 1428 |
Rankings (Main)
| National | |
| Overall | 2899 |
| Gender | 2483 |
| Age group | 101 |
| Gender/Age | 84 |
| Provincial | |
| Overall | 202 |
| Gender | 176 |
| Age group | 12 |
| Gender/Age | 11 |
| Regional | |
| Overall | 45 |
| Gender | 41 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Standard)
| National | |
| Overall | 2520 |
| Gender | 2144 |
| Age group | 94 |
| Gender/Age | 78 |
| Provincial | |
| Overall | 188 |
| Gender | 164 |
| Age group | 12 |
| Gender/Age | 11 |
| Regional | |
| Overall | 41 |
| Gender | 38 |
| Age group | 1 |
| Gender/Age | 1 |
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 | 10 |
| Score | 7.5 |
| Percent | 75 |
| Aor | 1272.9 |
| Dp | 212.5 |
| Prat | 1485.4 |
Performance (12 months)
| Games | 30 |
| Score | 19 |
| Percent | 63.3 |
| Aor | 1336.8 |
| Dp | 113.3 |
| Prat | 1450.1 |
Performance (History)
| Games | 80 |
| Score | 55 |
| Percent | 68.8 |
| Aor | 1268.6 |
| Dp | 159.4 |
| Prat | 1428 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Van Staden, R (Ryan William) | 7 | 3 | 4 | DR KKD Ferdies Mar 2024 (G) | Dr KK Volkies 2026 (U10) | Details |
| Overall | 2 | Combrink, N (Nicolaas Johann) | 6 | 2 | 4 | DR KKD Curro Agegroup 2024 (U10) | Knight Shift Open Chess Tournament 2025 (U10) | Details |
| Overall | 3 | De Kock, H (Hanroux) | 4 | 2 | 2 | DR KKD Ferdies Mar 2024 (G) | DR KK Chess Volkies 2025 (U10) | Details |
| Overall | 4 | Prins, L (Luan) | 3 | 2 | 1 | Knight Shift Open Chess Tournament 2025 (U10) | DR KK Chess Volkies 2025 (U10) | Details |
| Overall | 5 | Mojaki, L (Letlotlo) | 3 | 1 | 2 | Dr KK Regional Trials Potch 2025 (U10) | Dr KK Chess - Curro 2026 (U10) | Details |
| Standard | 1 | Van Staden, R (Ryan William) | 7 | 3 | 4 | DR KKD Ferdies Mar 2024 (G) | Dr KK Volkies 2026 (U10) | Details |
| Standard | 2 | Combrink, N (Nicolaas Johann) | 6 | 2 | 4 | DR KKD Curro Agegroup 2024 (U10) | Knight Shift Open Chess Tournament 2025 (U10) | Details |
| Standard | 3 | De Kock, H (Hanroux) | 4 | 2 | 2 | DR KKD Ferdies Mar 2024 (G) | DR KK Chess Volkies 2025 (U10) | Details |
| Standard | 4 | Prins, L (Luan) | 3 | 2 | 1 | Knight Shift Open Chess Tournament 2025 (U10) | DR KK Chess Volkies 2025 (U10) | Details |
| Standard | 5 | Mojaki, L (Letlotlo) | 3 | 1 | 2 | Dr KK Regional Trials Potch 2025 (U10) | Dr KK Chess - Curro 2026 (U10) | Details |