Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Mari Greeff

2140148829
Eden (WEG)
Personal
Main rating
Rating 1646.5
K-factor 28
Floor 1273.1
Highest 1773.1 (2025-08-01)
Min/Max +/- allowed 73
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1600.3
Final +/- 0
New Rating
()
Rating 1646.5
K-factor 28
Floor 1273.1
Highest 1773.1 (2025-08-01)
Min/Max +/- allowed 73.3
Standard rating
Rating 1665
K-factor 28
Floor 1263.9
Highest 1763.9 (2025-08-01)
Min/Max +/- allowed 74.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1642.3
Final +/- 0
New Rating
()
Rating 1665
K-factor 28
Floor 1263.9
Highest 1763.9 (2025-08-01)
Min/Max +/- allowed 74.3
Rapid rating
Rating 1391.9
K-factor 32
Floor 929.7
Highest 1429.7 (2025-06-01)
Min/Max +/- allowed 119.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1339.7
Final +/- 0
New Rating
()
Rating 1391.9
K-factor 32
Floor 929.7
Highest 1429.7 (2025-06-01)
Min/Max +/- allowed 119.5
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 South African Open Championship 2026 (U13 Girls) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1633 7 5 1695.3 13.5 Details
2 2026 WCSC PS Individual Championship (U13 Girls) Standard 2026-05-16 2026-05-17 Overberg (WOS) 6 1630.7 6 5.5 1800.8 28.2 Details
3 Moja Chess Extravaganza 2026 (Ladies) Classical 2026-04-25 2026-04-30 Cape Town (WCT) 9 1630.7 9 4 1547.5 -25.9 Details
4 Eden Rapid Championship 2026 (B) Rapid 2026-04-18 2026-04-18 Eden (WEG) 6 1624.2 5 3 1413.6 -21.2 Details
5 South African Junior Closed Chess Championship 2026 (U12 Girls) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1624.2 9 6 1712.9 27.6 Details
6 Eden Schools Trials 1 2026 (U13 Girls) Standard 2026-03-14 2026-03-14 Eden (WEG) 5 1697.5 5 4 1651.6 -4 Details
7 2026 South African Closed Chess Championships (Woman ) Classical 2026-02-21 2026-03-01 Johannesburg Metro (GJM) 11 1697.5 11 1 1470 -84.1 Details
8 George Trials 2 2026 (U13 Girls) Standard 2026-02-14 2026-02-14 Eden (WEG) 5 1676.9 5 5 1788.6 12.3 Details
9 George Trials 1 2026 (U13 Girls) Standard 2026-01-31 2026-01-31 Eden (WEG) 5 1676.9 4 3.5 1708.6 1.5 Details
10 Laerskool George Suid 2025 (Ope) Rapid 2025-10-25 2025-10-25 Eden (WEG) 5 1697.7 4 2 1332.1 -14.9 Details
11 UCT Open Chess Championship 2025 (U12) Rapid 2025-10-11 2025-10-11 Cape Town (WCT) 6 1731.4 6 2.5 1408.4 -24 Details
12 Western Cape Schools - Top Schools 2025 (U13) Standard 2025-09-06 2025-09-07 Overberg (WOS) 6 1755.9 6 4 1568.3 -17.6 Details
13 Eden Top Schools 2025 (U13) Standard 2025-08-16 2025-08-16 Eden (WEG) 5 1773.1 5 4 1546.1 -12.3 Details
14 George Top Schools 2025 (U13) Standard 2025-07-26 2025-07-26 Eden (WEG) 5 1761.1 5 5 1789 8.6 Details
15 2025 WC Rural Cup (U12) Standard 2025-06-14 2025-06-15 Eden (WEG) 6 1744.6 6 5.5 1826 8.5 Details
16 Western Cape Schools Individual Championship 2025 (U11 Girls) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1694.2 6 6 1819.1 15.3 Details
17 Southern Knights Rapid 2025 (C) Rapid 2025-05-03 2025-05-03 Eden (WEG) 7 1694.2 7 7 1864.1 13.3 Details
18 Eden Chess Trials 2 2025 (U12) Standard 2025-03-15 2025-04-12 Eden (WEG) 10 1661.4 10 8 1680.7 5.6 Details
19 South African Junior Closed Chess Championships 2025 (U12 Girls) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1661.4 9 7 1746.3 17.4 Details
20 Eden Schools Chess Trials 1 2025 (U11 Girls) Standard 2025-03-08 2025-03-08 Eden (WEG) 5 1550.1 5 5 1776.1 21.6 Details
21 George Schools Chess Trials 3 2025 (U11 Girls) Standard 2025-03-01 2025-03-01 Eden (WEG) 5 1550.1 5 5 1759.5 19.9 Details
22 Eden Rapid 2025 (B) Rapid 2025-02-23 2025-02-23 Eden (WEG) 6 1490.3 6 4.5 1618 12 Details
23 Loerie Skaaktoernooi 2025 Rapid 2025-02-22 2025-02-22 Eden (WEG) 5 1490.3 5 3 1536.8 2.2 Details
24 George Schools Chess Trials 2 2025 (U11 Girls) Standard 2025-02-15 2025-02-15 Eden (WEG) 5 1490.3 4 4 1742 19.8 Details
25 George Schools Chess Trials 1 2025 (U11 Girls) Standard 2025-02-01 2025-02-01 Eden (WEG) 5 1490.3 5 4 1529.9 3.3 Details
26 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1487.2 7 3.5 1424.3 -9.4 Details
27 Eden Closed 2024 (Ladies) Standard 2024-11-23 2024-11-24 Eden (WEG) 5 1490.5 5 3 1463 -2.1 Details
28 Eden Chess Union League 2024 (1st Division) Standard 2024-10-12 2024-10-12 Eden (WEG) 5 1516 5 2 1344.7 -15.9 Details
29 Western Cape Top Schools Championship 2024 (U11 Girls) Standard 2024-08-30 2024-09-01 Eden (WEG) 5 1496.1 5 4 1614.7 12.4 Details
30 Eden Top Schools 2024 (U11 Girls) Standard 2024-08-17 2024-08-17 Eden (WEG) 5 1469.3 4 4 1680.7 16.8 Details
31 George Primary Top Schools 2024 (U11) Standard 2024-07-20 2024-07-20 Eden (WEG) 5 1502.8 4 0.5 1235.9 -20.9 Details
32 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1581.8 9 4.5 1323.9 -49.4 Details
33 South African Junior Closed Chess Championship 2024 (U10 Girls) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1577.6 9 6 1518.1 -11.4 Details
34 Western Cape PS Individuals Championship 2024 (U11 Girls) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1577.6 6 5 1654.8 10.8 Details
35 Eden Chess Trials 2 2024 (U12) Standard 2024-04-13 2024-04-20 Eden (WEG) 10 1592.2 10 6.5 1542.4 -9.1 Details
36 Eden School Chess Trials 1 2024 (U11 Girls) Standard 2024-03-09 2024-03-09 Eden (WEG) 5 1502.1 5 5 1762.4 26.2 Details
37 George Schools Trials 3 2024 (U11 Girls) Standard 2024-03-02 2024-03-02 Eden (WEG) 5 1502.1 5 4 1587 7.6 Details
38 Southern Knights Rapid 2024 (Junior) Rapid 2024-02-24 2024-02-24 Eden (WEG) 6 1414.4 6 4 1464.4 4.3 Details
39 George Schools Trials 2 2024 (U11 Girls) Standard 2024-02-17 2024-02-17 Eden (WEG) 5 1414.4 5 5 1693 28.1 Details
40 George Schools Trials 1 2024 (U11 Girls) Standard 2024-02-03 2024-02-03 Eden (WEG) 5 1414.4 5 4 1651.1 22.4 Details
41 Eden Open 2023 (C) Standard 2023-12-02 2023-12-02 Eden (WEG) 5 1455.6 5 2 1247.7 -20.9 Details
42 2023 Western Cape Rural Cup (U10) Standard 2023-12-09 2023-12-10 Cape Winelands (WCW) 5 1455.6 2 1 1330.8 -4.8 Details
43 Western Cape Club Championships 2023 (Tier 2) Standard 2023-10-21 2023-10-22 Eden (WEG) 5 1486.6 5 3 1297.8 -19.4 Details
44 Mossel Bay Open 2023 (C) Rapid 2023-09-30 2023-09-30 Eden (WEG) 5 1456.8 5 4 1610.2 10.5 Details
45 Western Cape Top Schools 2023 (U9 Mixed) Standard 2023-09-02 2023-09-03 Cape Winelands (WCW) 6 1456.8 6 4 1525.8 8.1 Details
46 Pacaltsdorp Chess Club Open 2023 (Development) Rapid 2023-08-26 2023-08-26 Eden (WEG) 6 1469 5 3 1356.3 -7.4 Details
47 Eden Top Schools 2023 (U9 Mix) Standard 2023-08-19 2023-08-19 Eden (WEG) 5 1469 5 4 1447 -0.3 Details
48 Top Schools 2023 (U9) Standard 2023-07-29 2023-07-29 Eden (WEG) 5 1459.2 5 4 1511.7 6 Details
49 Western Cape PS Individuals 2023 (U9 Girls) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1408.3 6 5 1499.1 11 Details
50 Eden Trials 2+3 2023 (U10) Standard 2023-04-15 2023-05-13 Eden (WEG) 10 1408.3 9 6 1428.5 4.5 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 61
Wins 32
Draws 10
Losses 19
White 32
Black 29
White wins 18
Black wins 14
Score 37
Percent 60.7
Dp 90.6
AOR 1537.1
Performance 1627.7
Game statistics (History)
Games 322
Wins 217
Draws 31
Losses 74
White 160
Black 162
White wins 107
Black wins 110
Score 232.5
Percent 72.2
Dp 188.7
AOR 1383.9
Performance 1572.7
Rankings (Main)
National
Overall 804
Gender 51
Age group 41
Gender/Age 5
Provincial
Overall 232
Gender 19
Age group 17
Gender/Age 4
Regional
Overall 34
Gender 3
Age group 6
Gender/Age 2
Rankings (Standard)
National
Overall 664
Gender 43
Age group 38
Gender/Age 4
Provincial
Overall 187
Gender 16
Age group 14
Gender/Age 3
Regional
Overall 24
Gender 2
Age group 5
Gender/Age 1
Rankings (Rapid)
National
Overall 1056
Gender 150
Age group 180
Gender/Age 46
Provincial
Overall 479
Gender 76
Age group 81
Gender/Age 22
Regional
Overall 59
Gender 6
Age group 11
Gender/Age 3
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 61
Score 37
Percent 60.7
Aor 1537.1
Dp 90.6
Prat 1627.7
Performance (12 months)
Games 77
Score 45.5
Percent 59.1
Aor 1513.3
Dp 77.3
Prat 1590.6
Performance (History)
Games 322
Score 232.5
Percent 72.2
Aor 1383.9
Dp 188.7
Prat 1572.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Botha, J (Jaylie) 7 6 1 George Chess Trials 1 2023 (U9 Girls) Western Cape Schools Individual Championship 2025 (U11 Girls) Details
Overall 2 Blignaut, DC (Dane) 6 1 5 George Schools Trials 1 2024 (U11 Girls) George Trials 2 2026 (U13 Girls) Details
Overall 3 Mpuru, J (JK MoAfrika) 6 3 3 Eden Trials 2+3 2023 (U10) Eden Chess Trials 2 2025 (U12) Details
Overall 4 Magomarele, T (Thato) 6 3 3 George Schools Trials 3 2024 (U11 Girls) Eden Schools Chess Trials 1 2025 (U11 Girls) Details
Overall 5 Barnard, M (Marizaan) 6 4 2 George Schools Trials 1 2024 (U11 Girls) George Trials 1 2026 (U13 Girls) Details
Standard 1 Mpuru, J (JK MoAfrika) 6 3 3 Eden Trials 2+3 2023 (U10) Eden Chess Trials 2 2025 (U12) Details
Standard 2 Magomarele, T (Thato) 6 3 3 George Schools Trials 3 2024 (U11 Girls) Eden Schools Chess Trials 1 2025 (U11 Girls) Details
Standard 3 Barnard, M (Marizaan) 6 4 2 George Schools Trials 1 2024 (U11 Girls) George Trials 1 2026 (U13 Girls) Details
Standard 4 Botha, J (Jaylie) 6 6 0 George Chess Trials 1 2023 (U9 Girls) Western Cape Schools Individual Championship 2025 (U11 Girls) Details
Standard 5 Blignaut, DC (Dane) 5 1 4 George Schools Trials 1 2024 (U11 Girls) George Trials 2 2026 (U13 Girls) Details
Rapid 1 Marner, B (Bryan Neil) 3 3 0 Mossel Bay Open 2023 (C) Eden Rapid 2025 (B) Details
Rapid 2 Da Silva, D (Darren) 2 1 1 Pacaltsdorp Chess Club Open 2023 (Development) Mossel Bay Open 2023 (C) Details
Rapid 3 Sampson, E (Eejay) 2 2 0 Mossel Bay Open 2023 (C) Southern Knights Rapid 2024 (Junior) Details