PLAYER PAGE

Janco Botha

1170192179
Tshwane (GTP)
Personal
Main rating
Rating 1501.3
K-factor 32
Floor 995
Highest 1588.6 (2025-09-30)
Min/Max +/- allowed 95
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1425.3
Final +/- 0
New Rating
()
Rating 1501.3
K-factor 32
Floor 995
Highest 1588.6 (2025-09-30)
Min/Max +/- allowed 95.3
Standard rating
Rating 1497.9
K-factor 32
Floor 994.2
Highest 1590.2 (2025-09-30)
Min/Max +/- allowed 95.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1450.3
Final +/- 0
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 1233.3
K-factor 36
Floor 733.3
Highest 1233.3 (2026-04-01)
Min/Max +/- allowed 158.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
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
No tournaments found.
# 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 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
3 2026 AHS Chess Tournament (U10) Standard 2026-02-28 2026-02-28 Tshwane (GTP) 5 1484.2 5 3 1440 -5.6 Details
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 Constantiapark Open 2025 (U10) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1264.6 5 3 1379.5 12 Details
13 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
14 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
15 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
16 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 1964
Gender 1729
Age group 53
Gender/Age 46
Provincial
Overall 690
Gender 598
Age group 23
Gender/Age 20
Regional
Overall 248
Gender 213
Age group 9
Gender/Age 7
Rankings (Standard)
National
Overall 1836
Gender 1594
Age group 59
Gender/Age 50
Provincial
Overall 656
Gender 568
Age group 25
Gender/Age 22
Regional
Overall 235
Gender 200
Age group 9
Gender/Age 7
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 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 Sahoo, S (Shaurya) 3 2 1 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8) South African Junior Closed Chess Championship 2026 (U10 Open) Details
Overall 2 Gauche, K (Kian) 3 2 1 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) 2025 Gauteng Top Schools Teams (U9) Details
Overall 3 Anthonissen, MV (Mikhael Villem) 3 2 1 2025 Etienne Lewis Closed Chess Tournament (U10) 2025 Centurion Chess Open Tournament (U10) Details
Overall 4 Burger, A (Agnar) 2 2 0 2025 Tshwane Chess OPEN Registration Tournament (U10) 2026 AHS Chess Tournament (U10) Details
Overall 5 Khosana, O (Onalerona) 2 2 0 2025 Tshwane Chess OPEN Registration Tournament (U10) South African Junior Closed Chess Championship 2026 (U10 Open) Details
Standard 1 Anthonissen, MV (Mikhael Villem) 3 2 1 2025 Etienne Lewis Closed Chess Tournament (U10) 2025 Centurion Chess Open Tournament (U10) Details
Standard 2 Gauche, K (Kian) 3 2 1 2025 Piet Robbertse Fide Rated Open Chess Tournament (E) 2025 Gauteng Top Schools Teams (U9) Details
Standard 3 Sahoo, S (Shaurya) 3 2 1 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U8) South African Junior Closed Chess Championship 2026 (U10 Open) Details
Standard 4 Khosana, O (Onalerona) 2 2 0 2025 Tshwane Chess OPEN Registration Tournament (U10) South African Junior Closed Chess Championship 2026 (U10 Open) Details
Standard 5 Du Pisani, M (Malcolm) 2 1 1 Gauteng Inter-Region at Emerald Resort 2025 (U10 Championship) South African Junior Closed Chess Championship 2026 (U10 Open) Details