PLAYER PAGE

Rowan Grobler

1110140037
Bojanala Platina (NBR)
Personal
Main rating
Rating 1536
K-factor 28
Floor 1134.1
Highest 1637.2 (2022-04-01)
Min/Max +/- allowed 89
Rating Change
()
Games 9
Score 4.5
We 4.09
SWe 0.41
Temp +/- 11.4
Penalties 0
Weight perform 1539.9
Final +/- +11.4
New Rating
()
Rating 1547.4
K-factor 28
Floor 1134.1
Highest 1637.2 (2022-04-01)
Min/Max +/- allowed 88.9
Standard rating
Rating 1533.2
K-factor 28
Floor 1128.3
Highest 1637.2 (2022-04-01)
Min/Max +/- allowed 88.9
Rating Change
()
Games 9
Score 4.5
We 4.06
SWe 0.44
Temp +/- 12.4
Penalties 0
Weight perform 1539.9
Final +/- +12.4
New Rating
()
Rating 1545.5
K-factor 28
Floor 1128.3
Highest 1637.2 (2022-04-01)
Min/Max +/- allowed 88.9
Rapid rating
Rating 1256.4
K-factor 36
Floor 756.4
Highest 1352.5 (2024-07-01)
Min/Max +/- allowed 133.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1256.4
K-factor 36
Floor 756.4
Highest 1352.5 (2024-07-01)
Min/Max +/- allowed 133.4
Blitz rating
Rating 1241.4
K-factor 36
Floor 741.4
Highest 1241.4 (2025-11-01)
Min/Max +/- allowed 156.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1241.4
K-factor 36
Floor 741.4
Highest 1241.4 (2025-11-01)
Min/Max +/- allowed 156.3
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U16 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1536 9 4.5 1578.9 11.4 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Bojanala's Grenville Open 2026 (Rooks) Standard 2026-02-21 2026-02-21 Bojanala Platina (NBR) 5 1536.1 4 2 1524.4 -0.8 Details
2 Bojanala Closed Chess Championships 2026 (U16) Classical 2026-02-13 2026-02-15 Bojanala Platina (NBR) 5 1536.1 5 3 1758.2 22.6 Details
3 2025 Mzansi Individual Championships (U16 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1551.6 6 3 1459.7 -12.8 Details
4 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1551.6 6 2 1300.9 -29.2 Details
5 Bojanala's Merry ChessMas 2025 (Rooks) Standard 2025-11-29 2025-11-29 Bojanala Platina (NBR) 5 1551.6 5 2 1434.1 -10.8 Details
6 Bojanala's Kings & Queens 2025 (Blitz) Blitz 2025-10-25 2025-10-25 Bojanala Platina (NBR) 9 1601.6 9 5 1558.2 -1.5 Details
7 Bojanala's Battle Of Mount Cambridge 2025 (Rooks) Standard 2025-10-11 2025-10-11 Bojanala Platina (NBR) 5 1601.6 5 3.5 1677.3 8 Details
8 Bojanala's FIDE On The Orion Express 2025 (Queens) Classical 2025-10-03 2025-10-05 Bojanala Platina (NBR) 6 1601.6 5 0 1234.7 -42.4 Details
9 Spartan Bishops Championships Elite 2025 (U16) Standard 2025-05-23 2025-05-25 Frances Baard (NCF) 5 1634.1 4 2.5 1482.6 -11.8 Details
10 Robday Bergsig Sport Festival 2025 (Juniors) Rapid 2025-05-03 2025-05-03 Bojanala Platina (NBR) 5 1634.1 5 3 1482.4 -11.4 Details
11 Bojanala's Waterkloof - The Superior One 2025 (Rooks) Standard 2025-03-15 2025-03-15 Bojanala Platina (NBR) 5 1513.4 5 4 1672.8 14.9 Details
12 Bojanala Circuit Championships 1 of 4 2025 (U16) Standard 2025-03-01 2025-03-01 Bojanala Platina (NBR) 5 1513.4 4 3 1774.1 20.3 Details
13 Bojanala's Battle In The Kloof 2025 (Rooks) Standard 2025-02-15 2025-02-15 Bojanala Platina (NBR) 5 1440.8 5 3 1611.2 17.3 Details
14 Bojanala Closed Chess Championships 2025 (U14) Classical 2025-01-31 2025-02-02 Bojanala Platina (NBR) 5 1440.8 5 3.5 1688 28.2 Details
15 Bojanala's Battle In The Kloof 2024 (Queens) Standard 2024-09-21 2024-09-21 Bojanala Platina (NBR) 5 1526.6 5 0 1184 -32.7 Details
16 Bojanala Circuit Championships 3 of 4 2024 (U16) Standard 2024-09-14 2024-09-14 Bojanala Platina (NBR) 5 1526.6 4 1 1260.3 -20.9 Details
17 Bojanala's FIDE In The Sparkling Waters 2024 (Rooks) Classical 2024-08-16 2024-08-18 Bojanala Platina (NBR) 6 1555.1 5 3 1410.6 -17.8 Details
18 Bojanala's Clash Of Schools - Secondary 2024 (U17) Rapid 2024-07-27 2024-07-27 Bojanala Platina (NBR) 5 1471.3 5 5 1675.7 15.4 Details
19 Bojanala's Clash Of Schools 2024 (Championship) Standard 2024-07-20 2024-07-20 Bojanala Platina (NBR) 5 1471.3 5 4 1700.5 21.7 Details
20 Bojanala Circuit Championship 2 of 4 2024 (U14) Standard 2024-06-15 2024-06-15 Bojanala Platina (NBR) 5 1410 5 4.5 1707.8 28.6 Details
21 Bojanala Circuit Championship 1 of 4 2024 (U14) Standard 2024-05-25 2024-05-25 Bojanala Platina (NBR) 5 1412.7 5 3 1388 -1.7 Details
22 Bojanala Olienpark's One For The Ages 2024 (Bishops) Standard 2024-04-20 2024-04-20 Bojanala Platina (NBR) 5 1387.5 5 3 1317.9 -6 Details
23 Bojanala's Rating Express 2024 (Bishops) Standard 2024-04-06 2024-04-06 Bojanala Platina (NBR) 5 1387.5 5 3 1485.6 10.3 Details
24 Bojanala Closed Chess Championships Finals 2024 (U14) Classical 2024-02-09 2024-02-11 Bojanala Platina (NBR) 5 1339.3 5 2.5 1424.4 10.8 Details
25 Bojanala Closed Chess Championships Stage 1 2024 (U14) Standard 2024-01-27 2024-01-27 Bojanala Platina (NBR) 5 1283.3 4 3.5 1733.8 35 Details
26 2023 Cross Border Chess Championships Gaborone vs Bojanala Classical 2023-12-14 2023-12-16 Botswana (BOT) 5 1327.9 5 3 1283.8 -6.8 Details
27 Bojanala's Merry ChessMas 2023 (Rooks) Standard 2023-12-09 2023-12-09 Bojanala Platina (NBR) 5 1327.9 5 1 1103.2 -21.2 Details
28 Bojanala's Rosewood 2023 (Rooks) Standard 2023-08-12 2023-08-12 Bojanala Platina (NBR) 5 1386.1 5 2 1192.1 -19.6 Details
29 Bojanala School League 2023 (Primary School Open) Rapid 2023-08-19 2023-08-19 Bojanala Platina (NBR) 5 1386.1 5 1 1175.9 -16.8 Details
30 Bojanala's FIDE in the Sparkling Waters 2023 (Rooks) Classical 2023-07-28 2023-07-30 Bojanala Platina (NBR) 6 1422.3 6 2.5 1261.6 -22.6 Details
31 Grenswag's Community Battle 2023 (Rooks) Standard 2023-04-22 2023-04-22 Bojanala Platina (NBR) 5 1406.1 5 4 1513.6 10 Details
32 Schoemies Kings & Queens 2023 (Rooks) Standard 2023-03-18 2023-03-18 Bojanala Platina (NBR) 5 1442 5 2 1204.6 -22.2 Details
33 One For The Ages 2023 (U14) Standard 2023-02-18 2023-02-18 Bojanala Platina (NBR) 5 1426.1 5 4 1519.8 10 Details
34 2022 South African Junior Team Chess Championships (U12 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1419.1 7 5 1438.5 4.4 Details
35 West Rand vs Bojanala 2022 (U12A) Standard 2022-11-05 2022-11-05 Bojanala Platina (NBR) 6 1430 6 3 1370.8 -6.8 Details
36 FIDE at The King`s Gate 2.0 2022 (C) Standard 2022-10-22 2022-10-22 Bojanala Platina (NBR) 5 1502.5 5 2 1076.6 -45.7 Details
37 Larries The Final Wild Card Tournament 2022 (U12) Standard 2022-09-17 2022-09-17 Bojanala Platina (NBR) 5 1503.6 4 4 1717.3 16.9 Details
38 Bojanala SAJCC Trials 2022 (U12) Classical 2022-09-23 2022-09-23 Bojanala Platina (NBR) 5 1503.6 5 3 1344.3 -17.6 Details
39 Bojanala Chess Federation Wildcards 2022 (U12) Standard 2022-08-20 2022-08-20 Bojanala Platina (NBR) 5 1502.5 5 4 1515.3 0.8 Details
40 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) Standard 2022-07-22 2022-07-22 Bojanala Platina (NBR) 5 1342 5 5 1651.7 29.7 Details
41 2nd One For The Ages 2022 (U12) Standard 2022-07-30 2022-07-30 Bojanala Platina (NBR) 5 1342 4 3 1429.2 7 Details
42 One For The Ages 2022 (U12) Standard 2022-07-16 2022-07-16 Bojanala Platina (NBR) 5 1342 5 3 1375.4 2.7 Details
43 Bojanala Fields Rapid-Blitz-Blindfold Champions 2022 (Development) Standard 2022-05-28 2022-05-28 Bojanala Platina (NBR) 5 1282.7 5 5 1605 32.6 Details
44 RHS Know Thyself 2022 (Development) Standard 2022-04-23 2022-04-23 Bojanala Platina (NBR) 5 1200 5 5 1625 41.3 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 18
Wins 9
Draws 1
Losses 8
White 10
Black 8
White wins 6
Black wins 3
Score 9.5
Percent 52.8
Dp 23.6
AOR 1593
Performance 1616.6
Game statistics (History)
Games 232
Wins 130
Draws 16
Losses 86
White 115
Black 117
White wins 70
Black wins 60
Score 138
Percent 59.5
Dp 80.6
AOR 1383
Performance 1463.6
Rankings (Main)
National
Overall 1509
Gender 1360
Age group 159
Gender/Age 133
Provincial
Overall 114
Gender 104
Age group 13
Gender/Age 11
Regional
Overall 92
Gender 83
Age group 12
Gender/Age 10
Rankings (Standard)
National
Overall 1420
Gender 1264
Age group 157
Gender/Age 130
Provincial
Overall 115
Gender 105
Age group 13
Gender/Age 11
Regional
Overall 93
Gender 84
Age group 12
Gender/Age 10
Rankings (Rapid)
National
Overall 2795
Gender 2252
Age group 598
Gender/Age 454
Provincial
Overall 100
Gender 79
Age group 18
Gender/Age 14
Regional
Overall 98
Gender 77
Age group 18
Gender/Age 14
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 4.5
Percent 50
Aor 1578.9
Dp 0
Prat 1578.9
Performance ()
Games 18
Score 9.5
Percent 52.8
Aor 1593
Dp 23.6
Prat 1616.6
Performance (12 months)
Games 63
Score 30.5
Percent 48.4
Aor 1517.6
Dp -13.5
Prat 1504.1
Performance (History)
Games 232
Score 138
Percent 59.5
Aor 1383
Dp 80.6
Prat 1463.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Botha, J (Johannes Cornelis) 11 4 7 Bojanala Chess Federation Wildcards 2022 (U12) Bojanala's Grenville Open 2026 (Rooks) Details
Overall 2 Roos, J (Justin) 9 5 4 Bojanala Chess Federation Wildcards 2022 (U12) Bojanala Circuit Championships 1 of 4 2025 (U16) Details
Overall 3 Terblanche, J (Johann) 8 4 4 One For The Ages 2023 (U14) Bojanala's Grenville Open 2026 (Rooks) Details
Overall 4 Changara, A (Adiel Tavonga) 7 2 5 2nd One For The Ages 2022 (U12) 2025 Mzansi Individual Championships (U16 Open) Details
Overall 5 Changara, A (Alvis Tafadzwa) 5 2 3 Bojanala's Rosewood 2023 (Rooks) Bojanala's Kings & Queens 2025 (Blitz) Details
Standard 1 Botha, J (Johannes Cornelis) 9 3 6 Bojanala Chess Federation Wildcards 2022 (U12) Bojanala's Grenville Open 2026 (Rooks) Details
Standard 2 Roos, J (Justin) 8 5 3 Bojanala Chess Federation Wildcards 2022 (U12) Bojanala Circuit Championships 1 of 4 2025 (U16) Details
Standard 3 Changara, A (Adiel Tavonga) 6 2 4 2nd One For The Ages 2022 (U12) 2025 Mzansi Individual Championships (U16 Open) Details
Standard 4 Terblanche, J (Johann) 6 2 4 One For The Ages 2023 (U14) Bojanala's Grenville Open 2026 (Rooks) Details
Standard 5 Jansen Van Vuuren, M (Mari) 4 3 1 Larries The Final Wild Card Tournament 2022 (U12) Bojanala Circuit Championship 2 of 4 2024 (U14) Details
Rapid 1 Terblanche, J (Johann) 2 2 0 Bojanala School League 2023 (Primary School Open) Robday Bergsig Sport Festival 2025 (Juniors) Details