PLAYER PAGE

Personal

Greeff, M (Mari)

Chess SA id

2140148829

FIDE id

?

Date of birth

2014-03-28 (U14)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

WRM

Chess SA registered

No

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1676.6 1714.7 1379.8 1200
Raw rating 1676.6 1714.7 1379.8 1200
Weighted rating 1643.4 1650.9 1358.9 1200
Weighted performance 1369.2 1560 1301.8 0
Floor 1273.1 1263.9 929.7 700
K-factor 28 28 32 36
Min/Max rating change allowed 84.1 79.6 128.4 165.8
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 1636.1
2025-11-30
1617.8
2025-09-30
1354.5
2025-11-30
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 1676.6 1714.7 1379.8 1200
Analysis
Rating 1676.6 1714.7 1379.8 1200
Raw rating 1676.6 1714.7 1379.8 1200
Weighted rating 1643.4 1650.9 1358.9
Weighted performance 1369.2 1560 1301.8
K-factor 28 28 32 36
Floor 1273.1 1263.9 929.7 700
Max/Min rating change allowed 84.1 79.6 128.4 165.8
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 1676.6 1714.7 1379.8 1200
New weighted rating 1649.8 1659.8 1362.9 1200
New weighted performance 1359.9 1549.3 1292.8 0
Temp new rating 1676.6 1714.7 1379.8 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1676.6 1714.7 1379.8 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
94 66 28 0
90 84 6 0
77 67 10 0
0 0 0 0
0 0 0 0
History 261 217 44 0

Games since
Main
191
Standard
157
Rapid
34
Blitz
0
Gender Female
Age group U12
Region Eden (WEG)
Province Western Cape (WC)
Main
RSA Province Region
Overall 363 110 16
Female 18 6 1
U12 17 5 2
U12 Female 2 1 1
Standard
RSA Province Region
Overall 280 79 8
Female 15 4 1
U12 7 3 1
U12 Female 2 1 1
Rapid
RSA Province Region
Overall 618 316 27
Female 81 45 4
U12 94 56 3
U12 Female 21 14 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 94 76.5 81.38 266.8 1403.4 1670.2
Standard 66 57.5 87.12 315.5 1393.2 1708.7
Rapid 28 19 67.86 151.8 1427.5 1579.3
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 261 195.5 74.9 211.7 1348.1 1559.8
Standard 217 165.5 76.27 223.3 1340.2 1563.5
Rapid 44 30 68.18 154.5 1387.2 1541.8
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2026-01-01 1676.6 1714.7 1379.8 1200
2025-11-30 1676.6 1714.7 1379.8 1200
2025-11-01 1697.6 1714.7 1405.4 1200
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
2024-11-01 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
2024-05-01 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

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Laerskool George Suid 2025 (Ope) 2025-10-25 2025-10-25 Rapid Eden (WEG) 5 4 2 Yes Analysis
2 UCT Open Chess Championship 2025 (U12) 2025-10-11 2025-10-11 Rapid Cape Town (WCT) 6 6 2.5 Yes Analysis
3 Western Cape Schools - Top Schools 2025 (U13) 2025-09-06 2025-09-07 Standard Overberg (WOS) 6 6 4 Yes Analysis
4 Eden Top Schools 2025 (U13) 2025-08-16 2025-08-16 Standard Eden (WEG) 5 5 4 Yes Analysis
5 George Top Schools 2025 (U13) 2025-07-26 2025-07-26 Standard Eden (WEG) 5 5 5 Yes Analysis
6 2025 WC Rural Cup (U12) 2025-06-14 2025-06-15 Standard Eden (WEG) 6 6 5.5 Yes Analysis
7 Western Cape Schools Individual Championship 2025 (U11 Girls) 2025-05-17 2025-05-18 Standard Cape Winelands (WCW) 6 6 6 Yes Analysis
8 Southern Knights Rapid 2025 (C) 2025-05-03 2025-05-03 Rapid Eden (WEG) 7 7 7 Yes Analysis
9 Eden Chess Trials 2 2025 (U12) 2025-03-15 2025-04-12 Standard Eden (WEG) 10 10 8 Yes Analysis
10 South African Junior Closed Chess Championships 2025 (U12 Girls) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 7 Yes Analysis
11 Eden Schools Chess Trials 1 2025 (U11 Girls) 2025-03-08 2025-03-08 Standard Eden (WEG) 5 5 5 Yes Analysis
12 George Schools Chess Trials 3 2025 (U11 Girls) 2025-03-01 2025-03-01 Standard Eden (WEG) 5 5 5 Yes Analysis
13 Eden Rapid 2025 (B) 2025-02-23 2025-02-23 Rapid Eden (WEG) 6 6 4.5 Yes Analysis
14 Loerie Skaaktoernooi 2025 2025-02-22 2025-02-22 Rapid Eden (WEG) 5 5 3 Yes Analysis
15 George Schools Chess Trials 2 2025 (U11 Girls) 2025-02-15 2025-02-15 Standard Eden (WEG) 5 4 4 Yes Analysis
16 George Schools Chess Trials 1 2025 (U11 Girls) 2025-02-01 2025-02-01 Standard Eden (WEG) 5 5 4 Yes Analysis
17 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Championship) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 7 3.5 Yes Analysis
18 Eden Closed 2024 (Ladies) 2024-11-23 2024-11-24 Standard Eden (WEG) 5 5 3 Yes Analysis
19 Eden Chess Union League 2024 (1st Division) 2024-10-12 2024-10-12 Standard Eden (WEG) 5 5 2 Yes Analysis
20 Western Cape Top Schools Championship 2024 (U11 Girls) 2024-08-30 2024-09-01 Standard Eden (WEG) 5 5 4 Yes Analysis
21 Eden Top Schools 2024 (U11 Girls) 2024-08-17 2024-08-17 Standard Eden (WEG) 5 4 4 Yes Analysis
22 George Primary Top Schools 2024 (U11) 2024-07-20 2024-07-20 Standard Eden (WEG) 5 4 0.5 Yes Analysis
23 2024 African Youth Chess Championship 2024-06-16 2024-06-22 Standard Tshwane (GTP) 9 9 4.5 Yes Analysis
24 South African Junior Closed Chess Championship 2024 (U10 Girls) 2024-04-27 2024-05-01 Standard Ekurhuleni (GE) 9 9 6 Yes Analysis
25 Western Cape PS Individuals Championship 2024 (U11 Girls) 2024-05-04 2024-05-05 Standard West Coast (WCU) 6 6 5 Yes Analysis
26 Eden Chess Trials 2 2024 (U12) 2024-04-13 2024-04-20 Standard Eden (WEG) 10 10 6.5 Yes Analysis
27 Eden School Chess Trials 1 2024 (U11 Girls) 2024-03-09 2024-03-09 Standard Eden (WEG) 5 5 5 Yes Analysis
28 George Schools Trials 3 2024 (U11 Girls) 2024-03-02 2024-03-02 Standard Eden (WEG) 5 5 4 Yes Analysis
29 Southern Knights Rapid 2024 (Junior) 2024-02-24 2024-02-24 Rapid Eden (WEG) 6 6 4 Yes Analysis
30 George Schools Trials 2 2024 (U11 Girls) 2024-02-17 2024-02-17 Standard Eden (WEG) 5 5 5 Yes Analysis
31 George Schools Trials 1 2024 (U11 Girls) 2024-02-03 2024-02-03 Standard Eden (WEG) 5 5 4 Yes Analysis
32 Eden Open 2023 (C) 2023-12-02 2023-12-02 Standard Eden (WEG) 5 5 2 Yes Analysis
33 2023 Western Cape Rural Cup (U10) 2023-12-09 2023-12-10 Standard Cape Winelands (WCW) 5 2 1 Yes Analysis
34 Western Cape Club Championships 2023 (Tier 2) 2023-10-21 2023-10-22 Standard Eden (WEG) 5 5 3 Yes Analysis
35 Mossel Bay Open 2023 (C) 2023-09-30 2023-09-30 Rapid Eden (WEG) 5 5 4 Yes Analysis
36 Western Cape Top Schools 2023 (U9 Mixed) 2023-09-02 2023-09-03 Standard Cape Winelands (WCW) 6 6 4 Yes Analysis
37 Pacaltsdorp Chess Club Open 2023 (Development) 2023-08-26 2023-08-26 Rapid Eden (WEG) 6 5 3 Yes Analysis
38 Eden Top Schools 2023 (U9 Mix) 2023-08-19 2023-08-19 Standard Eden (WEG) 5 5 4 Yes Analysis
39 Top Schools 2023 (U9) 2023-07-29 2023-07-29 Standard Eden (WEG) 5 5 4 Yes Analysis
40 Western Cape PS Individuals 2023 (U9 Girls) 2023-05-05 2023-05-06 Standard Cape Town (WCT) 6 6 5 Yes Analysis
41 Eden Trials 2+3 2023 (U10) 2023-04-15 2023-05-13 Standard Eden (WEG) 10 9 6 Yes Analysis
42 George Chess Club Winter Open 2023 (D) 2023-05-20 2023-05-20 Standard Eden (WEG) 5 4 3 Yes Analysis
43 Eden Trails 1 2023 (U9 Girls) 2023-03-11 2023-03-11 Standard Eden (WEG) 5 5 4.5 Yes Analysis
44 George Chess Trials 3 2023 (U9 Girls) 2023-02-25 2023-02-25 Standard Eden (WEG) 5 5 5 Yes Analysis
45 George Chess Trials 2 2023 (U9 Girls) 2023-02-11 2023-02-11 Standard Cape Town (WCT) 5 5 4.5 Yes Analysis
46 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
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