PLAYER PAGE
Janco Botha
1170192179Tshwane (GTP)Personal
Main rating
| Rating | 1478.6 |
| K-factor | 32 |
| Floor | 995 |
| Highest | 1588.6 (2025-09-30) |
| Min/Max +/- allowed | 95 |
| Rating Change () | |
| Games | 18 |
| Score | 9 |
| We | 7.97 |
| SWe | 0.71 |
| Temp +/- | 22.7 |
| Penalties | 0 |
| Weight perform | 1443.3 |
| Final +/- | +22.7 |
| New Rating () | |
| Rating | 1501.3 |
| K-factor | 32 |
| Floor | 995 |
| Highest | 1588.6 (2025-09-30) |
| Min/Max +/- allowed | 95.3 |
Standard rating
| Rating | 1480.1 |
| K-factor | 32 |
| Floor | 994.2 |
| Highest | 1590.2 (2025-09-30) |
| Min/Max +/- allowed | 95.1 |
| Rating Change () | |
| Games | 9 |
| Score | 4 |
| We | 3.44 |
| SWe | 0.56 |
| Temp +/- | 17.9 |
| Penalties | 0 |
| Weight perform | 1468.7 |
| Final +/- | +17.9 |
| New Rating () | |
| Rating | 1497.9 |
| K-factor | 32 |
| Floor | 994.2 |
| Highest | 1590.2 (2025-09-30) |
| Min/Max +/- allowed | 95.1 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| 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 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 9 |
| Score | 5 |
| We | 4.08 |
| SWe | 0.92 |
| Temp +/- | 33.3 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +33.3 |
| New Rating () | |
| Rating | 1233.3 |
| K-factor | 36 |
| Floor | 733.3 |
| Highest | 1233.3 (2026-04-01) |
| Min/Max +/- allowed | 158.1 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | South African Junior Closed Chess Championship 2026 (U10 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1478.6 | 9 | 4 | 1544.2 | 20.5 | Details |
| 2 | South African Junior Closed Chess Championship 2026 (Blitz) | Blitz | 2026-03-31 | 2026-03-31 | Bojanala Platina (NBR) | 9 | 1478.6 | 9 | 5 | 1518.9 | 2.2 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 AHS Chess Tournament (U10) | Standard | 2026-02-28 | 2026-02-28 | Tshwane (GTP) | 5 | 1484.2 | 5 | 3 | 1440 | -5.6 | Details |
| 2 | 2026 Piet Robbertse Open Chess Tournament (C) | Standard | 2026-02-07 | 2026-02-08 | Tshwane (GTP) | 5 | 1493.9 | 5 | 2 | 1335.2 | -16.7 | Details |
| 3 | 2026 Tshwane Chess Registration Tournament (U10) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1493.9 | 5 | 4.5 | 1717.9 | 11.7 | Details |
| 4 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Championship) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1561.1 | 5 | 2 | 1463.6 | -11.5 | Details |
| 5 | 2025 Gauteng Top Schools Teams (U9) | Standard | 2025-08-29 | 2025-08-29 | Tshwane (GTP) | 5 | 1588.1 | 5 | 4 | 1591.7 | 1.3 | Details |
| 6 | 2025 Centurion Chess Open Tournament (U10) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1488.9 | 5 | 3 | 1519.4 | 2.3 | Details |
| 7 | 2025 Midstream Open Chess Tournament (U10) | Standard | 2025-08-25 | 2025-08-25 | Tshwane (GTP) | 5 | 1356.2 | 5 | 5 | 1862.5 | 48.6 | Details |
| 8 | 2025 Tshwane South School District CLOSED League Championship (U9A) | Standard | 2025-08-15 | 2025-08-15 | Tshwane (GTP) | 5 | 1356.2 | 5 | 3.5 | 1461.1 | 11 | Details |
| 9 | 2025 Etienne Lewis Closed Chess Tournament (U10) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1356.2 | 7 | 5.5 | 1676.8 | 50.3 | Details |
| 10 | Constantiapark Open 2025 (U10) | Standard | 2025-02-15 | 2025-02-15 | Tshwane (GTP) | 5 | 1264.6 | 5 | 3 | 1379.5 | 12 | Details |
| 11 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | Standard | 2025-02-01 | 2025-02-01 | Tshwane (GTP) | 5 | 1264.6 | 5 | 4 | 1427.8 | 19 | Details |
| 12 | 2025 Tshwane Chess OPEN Registration Tournament (U10) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1233.9 | 5 | 3 | 1416.7 | 17.1 | Details |
| 13 | Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8) | Standard | 2024-10-19 | 2024-10-19 | Tshwane (GTP) | 5 | 1219.3 | 5 | 3 | 1309 | 8.1 | Details |
| 14 | 2024 Constantiapark Open (F) | Standard | 2024-02-17 | 2024-02-17 | Tshwane (GTP) | 5 | 1200 | 5 | 3 | 1291.4 | 9.6 | 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 | 33 |
| Wins | 18 |
| Draws | 1 |
| Losses | 14 |
| White | 17 |
| Black | 16 |
| White wins | 8 |
| Black wins | 10 |
| Score | 18.5 |
| Percent | 56.1 |
| Dp | 51.5 |
| AOR | 1464.7 |
| Performance | 1516.2 |
Game statistics (History)
| Games | 90 |
| Wins | 55 |
| Draws | 5 |
| Losses | 30 |
| White | 45 |
| Black | 45 |
| White wins | 25 |
| Black wins | 30 |
| Score | 57.5 |
| Percent | 63.9 |
| Dp | 118.1 |
| AOR | 1386.2 |
| Performance | 1504.3 |
Rankings (Main)
| National | |
| Overall | 2138 |
| Gender | 1856 |
| Age group | 63 |
| Gender/Age | 52 |
| Provincial | |
| Overall | 728 |
| Gender | 624 |
| Age group | 26 |
| Gender/Age | 21 |
| Regional | |
| Overall | 267 |
| Gender | 225 |
| Age group | 7 |
| Gender/Age | 5 |
Rankings (Standard)
| National | |
| Overall | 1983 |
| Gender | 1710 |
| Age group | 63 |
| Gender/Age | 52 |
| Provincial | |
| Overall | 696 |
| Gender | 598 |
| Age group | 26 |
| Gender/Age | 21 |
| Regional | |
| Overall | 256 |
| Gender | 218 |
| Age group | 7 |
| Gender/Age | 5 |
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 | 9 |
| Score | 4 |
| Percent | 44.4 |
| Aor | 1591.4 |
| Dp | -47.2 |
| Prat | 1544.2 |
Performance ()
| Games | 33 |
| Score | 18.5 |
| Percent | 56.1 |
| Aor | 1464.7 |
| Dp | 51.5 |
| Prat | 1516.2 |
Performance (12 months)
| Games | 65 |
| Score | 41.5 |
| Percent | 63.8 |
| Aor | 1440.2 |
| Dp | 117.7 |
| Prat | 1557.9 |
Performance (History)
| Games | 90 |
| Score | 57.5 |
| Percent | 63.9 |
| Aor | 1386.2 |
| Dp | 118.1 |
| Prat | 1504.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Gauche, K (Kian) | 3 | 2 | 1 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | 2025 Gauteng Top Schools Teams (U9) | Details |
| Overall | 2 | Anthonissen, MV (Mikhael Villem) | 3 | 2 | 1 | 2025 Etienne Lewis Closed Chess Tournament (U10) | 2025 Centurion Chess Open Tournament (U10) | Details |
| Overall | 3 | Burger, A (Agnar) | 2 | 2 | 0 | 2025 Tshwane Chess OPEN Registration Tournament (U10) | 2026 AHS Chess Tournament (U10) | Details |
| Overall | 4 | Sahoo, S (Shaurya) | 2 | 1 | 1 | Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8) | Constantiapark Open 2025 (U10) | Details |
| Overall | 5 | Simao, R (Raul) | 2 | 2 | 0 | Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8) | 2025 Tshwane South School District CLOSED League Championship (U9A) | Details |
| Standard | 1 | Gauche, K (Kian) | 3 | 2 | 1 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) | 2025 Gauteng Top Schools Teams (U9) | Details |
| Standard | 2 | Anthonissen, MV (Mikhael Villem) | 3 | 2 | 1 | 2025 Etienne Lewis Closed Chess Tournament (U10) | 2025 Centurion Chess Open Tournament (U10) | Details |
| Standard | 3 | Burger, A (Agnar) | 2 | 2 | 0 | 2025 Tshwane Chess OPEN Registration Tournament (U10) | 2026 AHS Chess Tournament (U10) | Details |
| Standard | 4 | Sahoo, S (Shaurya) | 2 | 1 | 1 | Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8) | Constantiapark Open 2025 (U10) | Details |
| Standard | 5 | Simao, R (Raul) | 2 | 2 | 0 | Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8) | 2025 Tshwane South School District CLOSED League Championship (U9A) | Details |