Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Mari Jansen Van Vuuren

211093260
Bojanala Platina (NBR)
Personal
Main rating
Rating 1267.1
K-factor 32
Floor 924.6
Highest 1439.3 (2022-09-01)
Min/Max +/- allowed 118
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1221.6
Final +/- 0
New Rating
()
Rating 1267.1
K-factor 32
Floor 924.6
Highest 1439.3 (2022-09-01)
Min/Max +/- allowed 117.9
Standard rating
Rating 1258.6
K-factor 32
Floor 920.8
Highest 1435.5 (2022-09-01)
Min/Max +/- allowed 118.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1221.6
Final +/- 0
New Rating
()
Rating 1258.6
K-factor 32
Floor 920.8
Highest 1435.5 (2022-09-01)
Min/Max +/- allowed 118.6
Rapid rating
Rating 1239.2
K-factor 36
Floor 754.1
Highest 1254.1 (2024-09-01)
Min/Max +/- allowed 153.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1188.9
Final +/- 0
New Rating
()
Rating 1239.2
K-factor 36
Floor 754.1
Highest 1254.1 (2024-09-01)
Min/Max +/- allowed 153.5
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
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 Bojanala's Grenville Open 2026 (Ladies) Standard 2026-02-21 2026-02-21 Bojanala Platina (NBR) 5 1271.3 5 3 1276.7 0 Details
2 Bojanala Wildcard Chess Championships 2026 (Ladies) Standard 2026-01-24 2026-01-24 Bojanala Platina (NBR) 5 1275.9 5 2 1272.9 0 Details
3 Bojanala's Merry ChessMas 2025 (Knights) Standard 2025-11-29 2025-11-29 Bojanala Platina (NBR) 5 1280.5 5 1 1104.2 0 Details
4 Bojanala's Circuit Championships 4 of 4 2025 (U16) Standard 2025-11-01 2025-11-01 Bojanala Platina (NBR) 5 1282.8 5 3 1418 0 Details
5 Bojanala's FIDE On The Orion Express 2025 (Rooks) Classical 2025-10-03 2025-10-05 Bojanala Platina (NBR) 6 1286.8 6 1 1006.7 0 Details
6 Bojanala's Rusties - The Champions' Tournament 2025 (Bishops) Standard 2025-09-13 2025-09-13 Bojanala Platina (NBR) 5 1287.4 5 2.5 1284.2 0 Details
7 Bojanala's Circuit Championships 3 of 4 2025 (U16) Standard 2025-08-09 2025-08-09 Bojanala Platina (NBR) 5 1294.2 5 2 1204.5 0 Details
8 Bojanala's Clash Of Schools 2025 (Championship Girls) Rapid 2025-08-02 2025-08-02 Bojanala Platina (NBR) 5 1294.2 5 3 1333 0 Details
9 Spartan Bishops Championships Maidens 2025 (U16) Standard 2025-05-23 2025-05-25 Frances Baard (NCF) 5 1288.6 5 3 1367.4 0 Details
10 Robday Bergsig Sport Festival 2025 (Juniors) Rapid 2025-05-03 2025-05-03 Bojanala Platina (NBR) 5 1288.6 5 2 1249.8 0 Details
11 Bojanala's Merry Chess-Mas 2024 (Knights) Standard 2024-12-07 2024-12-07 Bojanala Platina (NBR) 5 1262.3 5 3 1439.5 0 Details
12 Bojanala's Brink Of Activity 2024 (Knights) Standard 2024-11-30 2024-11-30 Bojanala Platina (NBR) 5 1275.3 5 2 1201.9 0 Details
13 Bojanala's e4 In The Chapel 2024 (Knights) Standard 2024-10-26 2024-10-26 Bojanala Platina (NBR) 5 1313.8 5 3 1284.6 0 Details
14 Bojanala's Circuit Championships 4 of 4 204 (U14) Standard 2024-10-12 2024-10-12 Bojanala Platina (NBR) 5 1313.8 5 2 1294.8 0 Details
15 Bojanala's Battle of Mount Cambridge 2024 (Bishops) Standard 2024-10-05 2024-10-05 Bojanala Platina (NBR) 5 1313.8 5 2 1119 0 Details
16 Bojanala's FIDE In The Sparkling Waters 2024 (Rooks) Classical 2024-08-16 2024-08-18 Bojanala Platina (NBR) 6 1327.4 6 2.5 1108.3 0 Details
17 Dangerous Minds 1st Invitational 2024 (B) Standard 2024-08-13 2024-08-13 Bojanala Platina (NBR) 5 1327.4 5 4 1553.2 0 Details
18 Bojanala's Kings & Queens Rapid and Doubles 2024 (Open) Rapid 2024-08-10 2024-08-10 Bojanala Platina (NBR) 7 1327.4 7 4 1346.4 0 Details
19 Bojanala's Clash Of Schools - Secondary 2024 (Girls Open) Rapid 2024-07-27 2024-07-27 Bojanala Platina (NBR) 5 1335.3 5 4 1464.1 0 Details
20 Bojanala's Clash Of Schools 2024 (Championship) Standard 2024-07-20 2024-07-20 Bojanala Platina (NBR) 5 1335.3 4 1 1154.7 0 Details
21 Bojanala Circuit Championship 2 of 4 2024 (U14) Standard 2024-06-15 2024-06-15 Bojanala Platina (NBR) 5 1308.1 5 3 1400.5 0 Details
22 Bojanala Circuit Championship 1 of 4 2024 (U14) Standard 2024-05-25 2024-05-25 Bojanala Platina (NBR) 5 1265.9 5 3 1429 0 Details
23 Spartan Bishops Chess Championships 2024 (Knights) Standard 2024-05-04 2024-05-05 Bojanala Platina (NBR) 5 1265.9 5 2 1219.2 0 Details
24 Bojanala Olienpark's One For The Ages 2024 (Bishops) Standard 2024-04-20 2024-04-20 Bojanala Platina (NBR) 5 1229.2 5 3 1384.1 0 Details
25 Bojanala's Rating Express 2024 (Bishops) Standard 2024-04-06 2024-04-06 Bojanala Platina (NBR) 5 1229.2 5 2 1170.3 0 Details
26 Bojanala Silwerrand's Rating Implosion 2024 (Rooks) Standard 2024-03-16 2024-03-16 Bojanala Platina (NBR) 5 1203.2 5 3 1308.9 0 Details
27 Schoemies' Kings & Queens 2024 (Rooks) Standard 2024-03-02 2024-03-02 Bojanala Platina (NBR) 5 1203.2 5 2 1268.5 0 Details
28 Bojanala's Merry ChessMas 2023 (Knights) Standard 2023-12-09 2023-12-09 Bojanala Platina (NBR) 5 1209.6 5 2 1160.8 0 Details
29 Bojanala's Spring Cleaning 2023 (Rooks) Standard 2023-08-26 2023-08-26 Bojanala Platina (NBR) 5 1195.7 5 1 1064.1 0 Details
30 Bojanala's Rosewood 2023 (Rooks) Standard 2023-08-12 2023-08-12 Bojanala Platina (NBR) 5 1195.7 5 2 1177.3 0 Details
31 Bojanala School League 2023 (Primary School Open) Rapid 2023-08-19 2023-08-19 Bojanala Platina (NBR) 5 1195.7 5 4 1506.1 0 Details
32 Bojanala's FIDE in the Sparkling Waters 2023 (Rooks) Classical 2023-07-28 2023-07-30 Bojanala Platina (NBR) 6 1150.9 6 3 1356.8 0 Details
33 2023 South African Junior Closed Chess Championships (U12 Girls) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1198.6 8 2 1040.6 0 Details
34 Nories Make It Happen 2023 (Rooks) Standard 2023-03-04 2023-03-04 Bojanala Platina (NBR) 5 1244.6 4 0 881.5 0 Details
35 One For The Ages 2023 (U14) Standard 2023-02-18 2023-02-18 Bojanala Platina (NBR) 5 1234.5 5 3 1306.4 0 Details
36 Harties Wolf Pack 2023 (Rooks) Standard 2023-01-21 2023-01-21 Bojanala Platina (NBR) 5 1261.9 5 1 1081 0 Details
37 2022 South African Junior Team Chess Championships (U12 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1380 6 0 856.1 0 Details
38 West Rand vs Bojanala 2022 (U12B) Standard 2022-11-05 2022-11-05 Bojanala Platina (NBR) 5 1424.6 5 2 1127.6 0 Details
39 Larries The Final Wild Card Tournament 2022 (U12) Standard 2022-09-17 2022-09-17 Bojanala Platina (NBR) 5 1253.6 5 4 1527.4 0 Details
40 Lebone II - Day of The Blue Army 2022 (C) Standard 2022-09-03 2022-09-03 Bojanala Platina (NBR) 5 1253.6 5 2 1116.2 0 Details
41 Bojanala SAJCC Trials 2022 (U12) Classical 2022-09-23 2022-09-23 Bojanala Platina (NBR) 5 1253.6 5 4 1561.9 0 Details
42 Bojanala Chess Federation Wildcards 2022 (U12) Standard 2022-08-20 2022-08-20 Bojanala Platina (NBR) 5 1137 5 4 1466.3 0 Details
43 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) Standard 2022-07-22 2022-07-22 Bojanala Platina (NBR) 5 1081.2 1 0 910.7 0 Details
44 2nd One For The Ages 2022 (U12) Standard 2022-07-30 2022-07-30 Bojanala Platina (NBR) 5 1081.2 5 3 1321.5 0 Details
45 One For The Ages 2022 (U12) Standard 2022-07-16 2022-07-16 Bojanala Platina (NBR) 5 1081.2 5 2 1173.9 0 Details
46 Bojanala Fields Rapid-Blitz-Blindfold Champions 2022 (Rapid B) Rapid 2022-05-28 2022-05-28 Bojanala Platina (NBR) 6 1090.2 6 2 1008.9 0 Details
47 RHS Know Thyself 2022 (C) Standard 2022-04-23 2022-04-23 Bojanala Platina (NBR) 5 1088.5 5 2 1105 0 Details
48 Vastrap 2022 (C) Standard 2022-02-05 2022-02-05 Bojanala Platina (NBR) 5 1176.5 5 2.5 1131.3 0 Details
49 Lebone II 2022 (C) Standard 2022-02-12 2022-02-12 Bojanala Platina (NBR) 5 1176.5 5 2 966.7 0 Details
50 Fide At The King`s Gate 2022 (C) Standard 2022-02-26 2022-02-26 Bojanala Platina (NBR) 5 1176.5 5 2 927 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 10
Wins 5
Draws 0
Losses 5
White 4
Black 6
White wins 2
Black wins 3
Score 5
Percent 50
Dp 0
AOR 1274.8
Performance 1274.8
Game statistics (History)
Games 343
Wins 151
Draws 6
Losses 186
White 173
Black 170
White wins 85
Black wins 66
Score 154
Percent 44.9
Dp -43.4
AOR 1237.1
Performance 1193.7
Rankings (Main)
National
Overall 7440
Gender 1354
Age group 1322
Gender/Age 294
Provincial
Overall 440
Gender 68
Age group 78
Gender/Age 13
Regional
Overall 268
Gender 49
Age group 43
Gender/Age 9
Rankings (Standard)
National
Overall 6857
Gender 1318
Age group 1215
Gender/Age 291
Provincial
Overall 464
Gender 72
Age group 86
Gender/Age 16
Regional
Overall 263
Gender 45
Age group 43
Gender/Age 9
Rankings (Rapid)
National
Overall 3233
Gender 641
Age group 702
Gender/Age 172
Provincial
Overall 116
Gender 26
Age group 20
Gender/Age 5
Regional
Overall 114
Gender 26
Age group 20
Gender/Age 5
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 5
Percent 50
Aor 1274.8
Dp 0
Prat 1274.8
Performance (12 months)
Games 51
Score 22.5
Percent 44.1
Aor 1296.9
Dp -50
Prat 1246.9
Performance (History)
Games 343
Score 154
Percent 44.9
Aor 1237.1
Dp -43.4
Prat 1193.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Jansen Van Vuuren, L (Lourein) 15 7 8 Grenville 2019 (U10) Bojanala's Grenville Open 2026 (Ladies) Details
Overall 2 Van Der Berg, KW (Kai Willem) 10 4 6 Laerskool Proteapark 2019 (C) Bojanala Olienpark's One For The Ages 2024 (Bishops) Details
Overall 3 Changara, A (Adiel Tavonga) 7 4 3 RHS Know Thyself 2022 (C) Bojanala's Circuit Championships 4 of 4 2025 (U16) Details
Overall 4 Turusida, T (Tshiamo) 5 4 1 Bojanala SAJCC Trials 2022 (U12) Bojanala Circuit Championship 2 of 4 2024 (U14) Details
Overall 5 Obrien, P (Patrick) 5 0 5 RHS Know Thyself 2022 (C) Bojanala's Merry ChessMas 2023 (Knights) Details
Standard 1 Jansen Van Vuuren, L (Lourein) 13 6 7 Grenville 2019 (U10) Bojanala's Grenville Open 2026 (Ladies) Details
Standard 2 Van Der Berg, KW (Kai Willem) 10 4 6 Laerskool Proteapark 2019 (C) Bojanala Olienpark's One For The Ages 2024 (Bishops) Details
Standard 3 Changara, A (Adiel Tavonga) 6 3 3 RHS Know Thyself 2022 (C) Bojanala's Circuit Championships 4 of 4 2025 (U16) Details
Standard 4 Turusida, T (Tshiamo) 5 4 1 Bojanala SAJCC Trials 2022 (U12) Bojanala Circuit Championship 2 of 4 2024 (U14) Details
Standard 5 Obrien, P (Patrick) 5 0 5 RHS Know Thyself 2022 (C) Bojanala's Merry ChessMas 2023 (Knights) Details
Rapid 1 Jansen Van Vuuren, L (Lourein) 2 1 1 Bojanala Fields Rapid-Blitz-Blindfold Champions 2022 (Rapid B) Bojanala's Clash Of Schools - Secondary 2024 (Girls Open) Details