PLAYER PAGE
Ruan Krog
1170161725Tshwane (GTP)Personal
Main rating
| Rating | 1370 |
| K-factor | 36 |
| Floor | 869.3 |
| Highest | 1398.7 (2026-01-01) |
| Min/Max +/- allowed | 125 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1383 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1370 |
| K-factor | 36 |
| Floor | 869.3 |
| Highest | 1398.7 (2026-01-01) |
| Min/Max +/- allowed | 124.9 |
Standard rating
| Rating | 1381.7 |
| K-factor | 36 |
| Floor | 881.7 |
| Highest | 1403 (2026-01-01) |
| Min/Max +/- allowed | 124.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1383 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1381.7 |
| K-factor | 36 |
| Floor | 881.7 |
| Highest | 1403 (2026-01-01) |
| Min/Max +/- allowed | 124.2 |
Rapid rating
| Rating | 1166.5 |
| 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 | 1166.5 |
| 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 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1352.2 | 5 | 4 | 1517 | 0 | Details |
| 2 | 2025 Gauteng Top Schools Teams (U9) | Standard | 2025-08-29 | 2025-08-29 | Tshwane (GTP) | 5 | 1379.3 | 5 | 3 | 1372 | 0 | Details |
| 3 | 2025 Tshwane North District CLOSED Team Championships (D3) (U9) | Standard | 2025-08-16 | 2025-08-16 | Tshwane (GTP) | 5 | 1288.6 | 5 | 4 | 1506.5 | 0 | Details |
| 4 | 2025 Etienne Lewis Closed Chess Tournament (U10) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1288.6 | 6 | 3 | 1337 | 0 | Details |
| 5 | 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U9) | Standard | 2025-07-26 | 2025-07-26 | Tshwane (GTP) | 5 | 1208.8 | 5 | 4 | 1437.9 | 0 | Details |
| 6 | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Standard | 2025-05-24 | 2025-05-24 | Tshwane (GTP) | 5 | 1163.7 | 5 | 3 | 1318.8 | 0 | Details |
| 7 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | Standard | 2025-05-10 | 2025-05-10 | Tshwane (GTP) | 5 | 1163.7 | 5 | 3 | 1355.6 | 0 | Details |
| 8 | 2025 Silver Lakes Chess Club Open Chess Tournament (U10) | Standard | 2025-05-03 | 2025-05-03 | Tshwane (GTP) | 5 | 1163.7 | 5 | 1 | 1013.4 | 0 | Details |
| 9 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | Standard | 2025-02-01 | 2025-02-01 | Tshwane (GTP) | 5 | 1160.9 | 5 | 2 | 1160.3 | 0 | Details |
| 10 | 2025 Tshwane Chess OPEN Registration Tournament (U10) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1138.2 | 5 | 1 | 981.4 | 0 | Details |
| 11 | Gauteng Inter-Region at UJ 2024 (U8 Mixed) | Standard | 2024-12-06 | 2024-12-07 | Johannesburg Metro (GJM) | 5 | 1169.3 | 5 | 1 | 1005.9 | 0 | Details |
| 12 | 2024 Etienne Lewis (U8) | Standard | 2024-08-31 | 2024-08-31 | Tshwane (GTP) | 5 | 1154.1 | 5 | 2.5 | 1238 | 0 | Details |
| 13 | 2024 Tshwane North School District Cluster 4 & 5 Team League (U9) | Standard | 2024-07-20 | 2024-07-20 | Tshwane (GTP) | 5 | 1159.5 | 5 | 2 | 1133.7 | 0 | Details |
| 14 | 2024 Tshwane Chess OPEN Registration Tournament (F) | Standard | 2024-01-27 | 2024-01-27 | Tshwane (GTP) | 5 | 1177.1 | 5 | 2 | 1084.7 | 0 | Details |
| 15 | 2023 U8 Open Chess Tournament | Rapid | 2023-09-02 | 2023-09-02 | Tshwane (GTP) | 5 | 1200 | 4 | 1 | 973.2 | 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 | 75 |
| Wins | 34 |
| Draws | 5 |
| Losses | 36 |
| White | 39 |
| Black | 36 |
| White wins | 20 |
| Black wins | 14 |
| Score | 36.5 |
| Percent | 48.7 |
| Dp | -11.3 |
| AOR | 1245.2 |
| Performance | 1233.9 |
Rankings (Main)
| National | |
| Overall | 3934 |
| Gender | 3305 |
| Age group | 114 |
| Gender/Age | 97 |
| Provincial | |
| Overall | 1346 |
| Gender | 1124 |
| Age group | 44 |
| Gender/Age | 36 |
| Regional | |
| Overall | 479 |
| Gender | 387 |
| Age group | 18 |
| Gender/Age | 15 |
Rankings (Standard)
| National | |
| Overall | 3323 |
| Gender | 2797 |
| Age group | 101 |
| Gender/Age | 83 |
| Provincial | |
| Overall | 1188 |
| Gender | 997 |
| Age group | 41 |
| Gender/Age | 33 |
| Regional | |
| Overall | 448 |
| Gender | 364 |
| Age group | 17 |
| Gender/Age | 14 |
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 | 41 |
| Score | 25 |
| Percent | 61 |
| Aor | 1263.5 |
| Dp | 93.3 |
| Prat | 1356.8 |
Performance (History)
| Games | 75 |
| Score | 36.5 |
| Percent | 48.7 |
| Aor | 1245.2 |
| Dp | -11.3 |
| Prat | 1233.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Kgwale, K (Keratilwe) | 2 | 0 | 2 | Gauteng Inter-Region at UJ 2024 (U8 Mixed) | 2025 Silver Lakes Chess Club Open Chess Tournament (U10) | Details |
| Overall | 2 | Wannenburg, H (Heinrich Daniel) | 2 | 2 | 0 | 2025 Tshwane North District CLOSED Team Championships (D3) (U9) | 2025 Gauteng Top Schools Teams (U9) | Details |
| Overall | 3 | Erasmus, J (Jacobus) | 2 | 1 | 1 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Details |
| Overall | 4 | Botha, Z (Zander) | 2 | 2 | 0 | 2024 Etienne Lewis (U8) | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | Details |
| Overall | 5 | Jansen Van Vuuren, C (Clana) | 2 | 1 | 1 | 2024 Tshwane Chess OPEN Registration Tournament (F) | 2025 Etienne Lewis Closed Chess Tournament (U10) | Details |
| Standard | 1 | Kgwale, K (Keratilwe) | 2 | 0 | 2 | Gauteng Inter-Region at UJ 2024 (U8 Mixed) | 2025 Silver Lakes Chess Club Open Chess Tournament (U10) | Details |
| Standard | 2 | Venter, S (Stephan) | 2 | 0 | 2 | 2025 Etienne Lewis Closed Chess Tournament (U10) | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Details |
| Standard | 3 | Erasmus, J (Jacobus) | 2 | 1 | 1 | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | 2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open) | Details |
| Standard | 4 | Botha, Z (Zander) | 2 | 2 | 0 | 2024 Etienne Lewis (U8) | 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open) | Details |
| Standard | 5 | Jansen Van Vuuren, C (Clana) | 2 | 1 | 1 | 2024 Tshwane Chess OPEN Registration Tournament (F) | 2025 Etienne Lewis Closed Chess Tournament (U10) | Details |