PLAYER PAGE

Personal

Greeff, M (Mari)

Chess SA id

2140148829

FIDE id

?

Date of birth

2014-03-28 (U12)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

WRM

Chess SA registered

Yes

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

90

Junior GPX Points

1486.9

Item Main Standard Rapid Blitz
Rating 1731.1 1714.7 1429.7 1200
Raw rating 1731.1 1714.7 1429.7 1200
Weighted rating 1617.3 1617.8 1342.4 1200
Weighted performance 1624.5 1612.4 1339.4 0
Floor 1273.1 1263.9 929.7 700
K-factor 28 28 32 36
Min/Max rating change allowed 77.8 79.6 119.5 165.8
Highest rating 1773.1
2025-08-01
1763.9
2025-08-01
1429.7
2025-06-01
1200
2018-10-01
Highest raw rating 1773.1
2025-08-01
1763.9
2025-08-01
1429.7
2025-06-01
1200
2024-03-01
Highest weighted rating 1617.3
2025-09-30
1617.8
2025-09-30
1322.4
2025-08-01
1200
2018-10-01
Highest weighted performance 1765.3
2025-08-01
1752.6
2024-03-01
1403.1
2023-09-01
1200
2024-03-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1731.1 1714.7 1429.7 1200
Analysis
Rating 1731.1 1714.7 1429.7 1200
Raw rating 1731.1 1714.7 1429.7 1200
Weighted rating 1617.3 1617.8 1342.4
Weighted performance 1624.5 1612.4 1339.4
K-factor 28 28 32 36
Floor 1273.1 1263.9 929.7 700
Max/Min rating change allowed 77.8 79.6 119.5 165.8
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1731.1 1714.7 1429.7 1200
New weighted rating 1630.6 1629.8 1351.7 1200
New weighted performance 1623.9 1611.8 1338.9 0
Temp new rating 1731.1 1714.7 1429.7 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1731.1 1714.7 1429.7 1200
New K-factor 28 28 32 36
New floor 1273.1 1263.9 929.7 700

Item Main Standard Rapid Blitz
0 0 0 0
84 66 18 0
90 84 6 0
77 67 10 0
0 0 0 0
0 0 0 0
History 251 217 34 0

Games since
Main
186
Standard
162
Rapid
24
Blitz
0
Gender Female
Age group U12
Region Eden (WEG)
Province Western Cape (WC)
Main
RSA Province Region
Overall 247 76 9
Female 14 6 1
U12 4 3 1
U12 Female 1 1 1
Standard
RSA Province Region
Overall 270 74 8
Female 14 5 1
U12 5 3 1
U12 Female 1 1 1
Rapid
RSA Province Region
Overall 398 196 14
Female 37 22 1
U12 49 28 1
U12 Female 9 7 1
Blitz
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U12 -1 -1 -1
U12 Female -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 84 72 85.71 303.6 1401.4 1705
Standard 66 57.5 87.12 315.5 1393.2 1708.7
Rapid 18 14.5 80.56 259.7 1431.4 1691.1
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 251 191 76.1 221.8 1345.3 1567.1
Standard 217 165.5 76.27 223.3 1340.2 1563.5
Rapid 34 25.5 75 212.5 1377.5 1590
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1731.1 1714.7 1429.7 1200
2025-09-01 1755.9 1743.8 1429.7 1200
2025-08-01 1773.1 1763.9 1429.7 1200
2025-07-01 1761.1 1747.8 1429.7 1200
2025-06-01 1744.6 1738.3 1429.7 1200
2025-05-01 1694.2 1714.6 1327.9 1200
2025-04-01 1661.4 1692 1327.9 1200
2025-03-01 1550.1 1531.5 1327.9 1200
2025-02-01 1490.3 1492.7 1278.4 1200
2025-01-01 1471.8 1473.2 1278.4 1200
2024-12-01 1487.2 1491.7 1278.4 1200
2024-11-01 1490.5 1497 1278.4 1200
2024-10-01 1516 1524.2 1278.4 1200
2024-09-01 1496.1 1504.3 1278.4 1200
2024-08-01 1469.3 1478.3 1278.4 1200
2024-07-01 1502.8 1515.8 1278.4 1200
2024-06-01 1581.8 1585.5 1278.4 1200
2024-08-01 1577.6 1612.1 1278.4 1200
2024-04-01 1592.2 1630.5 1278.4 1200
2024-03-01 1502.1 1494.4 1278.4 1200
2024-02-01 1414.4 1386.9 1268.3 1200
2024-01-01 1414.4 1386.9 1268.3 1200
2023-12-01 1414.4 1386.9 1268.3 1200
2023-11-01 1455.6 1437.8 1268.3 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Western Cape Schools - Top Schools 2025 (U13) 2025-09-06 2025-09-07 Standard Overberg (WOS) 6 6 4 Yes Analysis
2 Eden Top Schools 2025 (U13) 2025-08-16 2025-08-16 Standard Eden (WEG) 5 5 4 Yes Analysis
3 George Top Schools 2025 (U13) 2025-07-26 2025-07-26 Standard Eden (WEG) 5 5 5 Yes Analysis
4 2025 WC Rural Cup (U12) 2025-06-14 2025-06-15 Standard Eden (WEG) 6 6 5.5 Yes Analysis
5 Western Cape Schools Individual Championship 2025 (U11 Girls) 2025-05-17 2025-05-18 Standard Cape Winelands (WCW) 6 6 6 Yes Analysis
6 Southern Knights Rapid 2025 (C) 2025-05-03 2025-05-03 Rapid Eden (WEG) 7 7 7 Yes Analysis
7 Eden Chess Trials 2 2025 (U12) 2025-03-15 2025-04-12 Standard Eden (WEG) 10 10 8 Yes Analysis
8 South African Junior Closed Chess Championships 2025 (U12 Girls) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 7 Yes Analysis
9 Eden Schools Chess Trials 1 2025 (U11 Girls) 2025-03-08 2025-03-08 Standard Eden (WEG) 5 5 5 Yes Analysis
10 George Schools Chess Trials 3 2025 (U11 Girls) 2025-03-01 2025-03-01 Standard Eden (WEG) 5 5 5 Yes Analysis
11 Eden Rapid 2025 (B) 2025-02-23 2025-02-23 Rapid Eden (WEG) 6 6 4.5 Yes Analysis
12 Loerie Skaaktoernooi 2025 2025-02-22 2025-02-22 Rapid Eden (WEG) 5 5 3 Yes Analysis
13 George Schools Chess Trials 2 2025 (U11 Girls) 2025-02-15 2025-02-15 Standard Eden (WEG) 5 4 4 Yes Analysis
14 George Schools Chess Trials 1 2025 (U11 Girls) 2025-02-01 2025-02-01 Standard Eden (WEG) 5 5 4 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Western Cape Schools - Top Schools 2025 (U13) 2025-09-06 2025-09-07 Standard Overberg (WOS) 6 6 4 Yes Analysis
2 Eden Top Schools 2025 (U13) 2025-08-16 2025-08-16 Standard Eden (WEG) 5 5 4 Yes Analysis
3 George Top Schools 2025 (U13) 2025-07-26 2025-07-26 Standard Eden (WEG) 5 5 5 Yes Analysis
4 2025 WC Rural Cup (U12) 2025-06-14 2025-06-15 Standard Eden (WEG) 6 6 5.5 Yes Analysis
5 Western Cape Schools Individual Championship 2025 (U11 Girls) 2025-05-17 2025-05-18 Standard Cape Winelands (WCW) 6 6 6 Yes Analysis
6 Southern Knights Rapid 2025 (C) 2025-05-03 2025-05-03 Rapid Eden (WEG) 7 7 7 Yes Analysis
7 Eden Chess Trials 2 2025 (U12) 2025-03-15 2025-04-12 Standard Eden (WEG) 10 10 8 Yes Analysis
8 South African Junior Closed Chess Championships 2025 (U12 Girls) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 7 Yes Analysis
9 Eden Schools Chess Trials 1 2025 (U11 Girls) 2025-03-08 2025-03-08 Standard Eden (WEG) 5 5 5 Yes Analysis
10 George Schools Chess Trials 3 2025 (U11 Girls) 2025-03-01 2025-03-01 Standard Eden (WEG) 5 5 5 Yes Analysis
11 Eden Rapid 2025 (B) 2025-02-23 2025-02-23 Rapid Eden (WEG) 6 6 4.5 Yes Analysis
12 Loerie Skaaktoernooi 2025 2025-02-22 2025-02-22 Rapid Eden (WEG) 5 5 3 Yes Analysis
13 George Schools Chess Trials 2 2025 (U11 Girls) 2025-02-15 2025-02-15 Standard Eden (WEG) 5 4 4 Yes Analysis
14 George Schools Chess Trials 1 2025 (U11 Girls) 2025-02-01 2025-02-01 Standard Eden (WEG) 5 5 4 Yes Analysis
15 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Championship) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 7 3.5 Yes Analysis
16 Eden Closed 2024 (Ladies) 2024-11-23 2024-11-24 Standard Eden (WEG) 5 5 3 Yes Analysis
17 Eden Chess Union League 2024 (1st Division) 2024-10-12 2024-10-12 Standard Eden (WEG) 5 5 2 Yes Analysis
18 Western Cape Top Schools Championship 2024 (U11 Girls) 2024-08-30 2024-09-01 Standard Eden (WEG) 5 5 4 Yes Analysis
19 Eden Top Schools 2024 (U11 Girls) 2024-08-17 2024-08-17 Standard Eden (WEG) 5 4 4 Yes Analysis
20 George Primary Top Schools 2024 (U11) 2024-07-20 2024-07-20 Standard Eden (WEG) 5 4 0.5 Yes Analysis
21 2024 African Youth Chess Championship 2024-06-16 2024-06-22 Standard Tshwane (GTP) 9 9 4.5 Yes Analysis
22 South African Junior Closed Chess Championship 2024 (U10 Girls) 2024-04-27 2024-05-01 Standard Ekurhuleni (GE) 9 9 6 Yes Analysis
23 Western Cape PS Individuals Championship 2024 (U11 Girls) 2024-05-04 2024-05-05 Standard West Coast (WCU) 6 6 5 Yes Analysis
24 Eden Chess Trials 2 2024 (U12) 2024-04-13 2024-04-20 Standard Eden (WEG) 10 10 6.5 Yes Analysis
25 Eden School Chess Trials 1 2024 (U11 Girls) 2024-03-09 2024-03-09 Standard Eden (WEG) 5 5 5 Yes Analysis
26 George Schools Trials 3 2024 (U11 Girls) 2024-03-02 2024-03-02 Standard Eden (WEG) 5 5 4 Yes Analysis
27 Southern Knights Rapid 2024 (Junior) 2024-02-24 2024-02-24 Rapid Eden (WEG) 6 6 4 Yes Analysis
28 George Schools Trials 2 2024 (U11 Girls) 2024-02-17 2024-02-17 Standard Eden (WEG) 5 5 5 Yes Analysis
29 George Schools Trials 1 2024 (U11 Girls) 2024-02-03 2024-02-03 Standard Eden (WEG) 5 5 4 Yes Analysis
30 Eden Open 2023 (C) 2023-12-02 2023-12-02 Standard Eden (WEG) 5 5 2 Yes Analysis
31 2023 Western Cape Rural Cup (U10) 2023-12-09 2023-12-10 Standard Cape Winelands (WCW) 5 2 1 Yes Analysis
32 Western Cape Club Championships 2023 (Tier 2) 2023-10-21 2023-10-22 Standard Eden (WEG) 5 5 3 Yes Analysis
33 Mossel Bay Open 2023 (C) 2023-09-30 2023-09-30 Rapid Eden (WEG) 5 5 4 Yes Analysis
34 Western Cape Top Schools 2023 (U9 Mixed) 2023-09-02 2023-09-03 Standard Cape Winelands (WCW) 6 6 4 Yes Analysis
35 Pacaltsdorp Chess Club Open 2023 (Development) 2023-08-26 2023-08-26 Rapid Eden (WEG) 6 5 3 Yes Analysis
36 Eden Top Schools 2023 (U9 Mix) 2023-08-19 2023-08-19 Standard Eden (WEG) 5 5 4 Yes Analysis
37 Top Schools 2023 (U9) 2023-07-29 2023-07-29 Standard Eden (WEG) 5 5 4 Yes Analysis
38 Western Cape PS Individuals 2023 (U9 Girls) 2023-05-05 2023-05-06 Standard Cape Town (WCT) 6 6 5 Yes Analysis
39 Eden Trials 2+3 2023 (U10) 2023-04-15 2023-05-13 Standard Eden (WEG) 10 9 6 Yes Analysis
40 George Chess Club Winter Open 2023 (D) 2023-05-20 2023-05-20 Standard Eden (WEG) 5 4 3 Yes Analysis
41 Eden Trails 1 2023 (U9 Girls) 2023-03-11 2023-03-11 Standard Eden (WEG) 5 5 4.5 Yes Analysis
42 George Chess Trials 3 2023 (U9 Girls) 2023-02-25 2023-02-25 Standard Eden (WEG) 5 5 5 Yes Analysis
43 George Chess Trials 2 2023 (U9 Girls) 2023-02-11 2023-02-11 Standard Cape Town (WCT) 5 5 4.5 Yes Analysis
44 George Chess Trials 1 2023 (U9 Girls) 2023-01-28 2023-01-28 Standard Eden (WEG) 5 5 5 Yes Analysis

Top 3 Streaks

# Games Start End
1 26 Tournament
Southern Knights Rapid 2025
Tournament
Eden Top Schools 2025
date
2025-05-03
rnd
1
type
Rapid
result
1
date
2025-08-16
rnd
2
type
Standard
result
1
Opponent
Booysen, J (Joshua)
Opponent
Orpen, K (Kira)
2 22 Tournament
George Chess Trials 1 2023
Tournament
Eden Trials 2+3 2023
date
2023-01-28
rnd
1
type
Standard
result
1
date
2023-04-15
rnd
3
type
Standard
result
1
Opponent
Roux, N (Niqueta)
Opponent
Fourie, J (John)
3 16 Tournament
Eden Rapid 2025
Tournament
Eden Chess Trials 2 2025
date
2025-02-23
rnd
5
type
Rapid
result
1
date
2025-03-15
rnd
4
type
Standard
result
1
Opponent
Pentz, J (Jason)
Opponent
Du Plessis, T (Thozamile)
# Games Start End
1 22 Tournament
George Chess Trials 1 2023
Tournament
Eden Trials 2+3 2023
date
2023-01-28
rnd
1
type
Standard
result
1
date
2023-04-15
rnd
3
type
Standard
result
1
Opponent
Roux, N (Niqueta)
Opponent
Fourie, J (John)
2 19 Tournament
Western Cape Schools Individual Championship 2025
Tournament
Eden Top Schools 2025
date
2025-05-17
rnd
1
type
Standard
result
1
date
2025-08-16
rnd
2
type
Standard
result
1
Opponent
Bukula, S (Sinofefe)
Opponent
Orpen, K (Kira)
3 19 Tournament
George Schools Chess Trials 1 2025
Tournament
Eden Chess Trials 2 2025
date
2025-02-01
rnd
5
type
Standard
result
1
date
2025-03-15
rnd
4
type
Standard
result
1
Opponent
Magomarele, T (Thato)
Opponent
Du Plessis, T (Thozamile)
# Games Start End
1 9 Tournament
Eden Rapid 2025
Tournament
Southern Knights Rapid 2025
date
2025-02-23
rnd
5
type
Rapid
result
1
date
2025-05-03
rnd
7
type
Rapid
result
1
Opponent
Pentz, J (Jason)
Opponent
Rens, B (Beauwin)
2 4 Tournament
Mossel Bay Open 2023
Tournament
Southern Knights Rapid 2024
date
2023-09-30
rnd
4
type
Rapid
result
1
date
2024-02-24
rnd
2
type
Rapid
result
1
Opponent
Fredericks, R (Reuel)
Opponent
Adams, J (Jay-D)
3 3 Tournament
Eden Rapid 2025
Tournament
Eden Rapid 2025
date
2025-02-23
rnd
1
type
Rapid
result
1
date
2025-02-23
rnd
3
type
Rapid
result
1
Opponent
Etsala-Kourou, J (Josué)
Opponent
Moses, D (Dominique)
No games found.
# Games Start End
# Games Start End
1 16 Tournament
Southern Knights Rapid 2025
Tournament
2025 WC Rural Cup
date
2025-05-03
rnd
1
type
Rapid
result
1
date
2025-06-14
rnd
3
type
Standard
result
1
Opponent
Booysen, J (Joshua)
Opponent
Colyn, E (Estelanie)
2 14 Tournament
George Schools Chess Trials 3 2025
Tournament
Eden Chess Trials 2 2025
date
2025-03-01
rnd
1
type
Standard
result
1
date
2025-03-15
rnd
4
type
Standard
result
1
Opponent
Boshoff, L (Liane)
Opponent
Du Plessis, T (Thozamile)
3 9 Tournament
2025 WC Rural Cup
Tournament
Eden Top Schools 2025
date
2025-06-15
rnd
5
type
Standard
result
1
date
2025-08-16
rnd
2
type
Standard
result
1
Opponent
Van Wyk, M (Micaile)
Opponent
Orpen, K (Kira)
# Games Start End
1 19 Tournament
George Schools Chess Trials 1 2025
Tournament
Eden Chess Trials 2 2025
date
2025-02-01
rnd
5
type
Standard
result
1
date
2025-03-15
rnd
4
type
Standard
result
1
Opponent
Magomarele, T (Thato)
Opponent
Du Plessis, T (Thozamile)
2 9 Tournament
2025 WC Rural Cup
Tournament
Eden Top Schools 2025
date
2025-06-15
rnd
5
type
Standard
result
1
date
2025-08-16
rnd
2
type
Standard
result
1
Opponent
Van Wyk, M (Micaile)
Opponent
Orpen, K (Kira)
3 9 Tournament
Western Cape Schools Individual Championship 2025
Tournament
2025 WC Rural Cup
date
2025-05-17
rnd
1
type
Standard
result
1
date
2025-06-14
rnd
3
type
Standard
result
1
Opponent
Bukula, S (Sinofefe)
Opponent
Colyn, E (Estelanie)
# Games Start End
1 7 Tournament
Southern Knights Rapid 2025
Tournament
Southern Knights Rapid 2025
date
2025-05-03
rnd
1
type
Rapid
result
1
date
2025-05-03
rnd
7
type
Rapid
result
1
Opponent
Booysen, J (Joshua)
Opponent
Rens, B (Beauwin)
2 4 Tournament
Mossel Bay Open 2023
Tournament
Southern Knights Rapid 2024
date
2023-09-30
rnd
4
type
Rapid
result
1
date
2024-02-24
rnd
2
type
Rapid
result
1
Opponent
Fredericks, R (Reuel)
Opponent
Adams, J (Jay-D)
3 3 Tournament
Eden Rapid 2025
Tournament
Eden Rapid 2025
date
2025-02-23
rnd
1
type
Rapid
result
1
date
2025-02-23
rnd
3
type
Rapid
result
1
Opponent
Etsala-Kourou, J (Josué)
Opponent
Moses, D (Dominique)
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Botha ,J (Jaylie) 7 6.5 364.3 6 5.5 354.2 1 1 425 0 0 0
1278.8 1643.1 1287.7 1632.9 1200 1703.8 0 0
2 Mpuru ,J (JK) 6 1 -283.3 6 1 -283.3 0 0 0 0 0 0
1516.1 1232.8 1515.3 1232.8 0 0 0 0
3 Magomarele ,T (Thato) 6 6 425 6 6 425 0 0 0 0 0 0
1249.2 1674.2 1251.6 1674.2 0 0 0 0
4 Barnard ,M (Marizaan) 5 5 425 5 5 425 0 0 0 0 0 0
1362.1 1787.1 1364.9 1787.1 0 0 0 0
5 Pringle ,K (Kirsten) 5 5 425 4 4 425 1 1 425 0 0 0
1439.1 1864.1 1440.1 1864.1 1181.6 1864.1 0 0
6 Marner ,B (Bryan Neil) 5 3 85 2 1 0 3 2 141.7 0 0 0
1366.5 1451.5 1409 1366.5 1220.1 1508.1 0 0
7 Lambrechts ,M (Madison) 4 4 425 4 4 425 0 0 0 0 0 0
1372.3 1797.3 1349.6 1797.3 0 0 0 0
8 Spies ,F (Fanie) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1570.4 1357.9 1571.6 1357.9 0 0 0 0
9 Blignaut ,DC (Dane) 4 0.5 -318.8 3 0 -425 1 0.5 0 0 0 0
1514.6 1195.8 1529.9 1089.6 1259 1514.6 0 0
10 Brewis ,S (Sienna) 4 2 0 3 2 141.7 1 0 -425 0 0 0
1410.6 1410.6 1394.5 1552.2 1200 985.6 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa