Chess South Africa
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Chess South Africa
Greeff, M (Mari)
Dob:
2014/03/28 (U12)
Gender:
Female
Chess SA id:
2140148829
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (16 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1577.6
Curent Weighted rating
1439.9
Curent Weighted performance
1573.0
Current official/published rating (highest between Raw, WR and WP)
1577.6
Current floor (min rating allowed)
1092.2
Current highest rating achieved
1592.2
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±96.8
Current Raw change used (final)
0.0
Projected new Raw rating
1577.6
Projected new Weighed rating
1455.9
Projected new Weighted performance
1573.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1577.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1592.2
Projected new floor
1092.2
Projected new K-facor
32
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1612.1
Curent Weighted rating
1439.5
Curent Weighted performance
1609.2
Current official/published rating (highest between Raw, WR and WP)
1612.1
Current floor (min rating allowed)
1130.5
Current highest rating achieved
1630.5
Current K-factor
28
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±92.2
Current Raw change used (final)
0.0
Projected new Raw rating
1612.1
Projected new Weighed rating
1458.2
Projected new Weighted performance
1609.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1612.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1630.5
Projected new floor
1130.5
Projected new K-facor
28
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1278.4
Curent Weighted rating
1244.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1278.4
Current floor (min rating allowed)
778.4
Current highest rating achieved
1278.4
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±148.3
Current Raw change used (final)
0.0
Projected new Raw rating
1278.4
Projected new Weighed rating
1248.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1278.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1278.4
Projected new floor
778.4
Projected new K-facor
36
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
778.4
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
778.4
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
Eden Chess Trials 2 2024 (U12)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
6.5
1592.2
1630.5
Analysis
5
Eden School Chess Trials 1 2024 (U11 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
5.0
1502.1
1494.4
Analysis
4
George Schools Trials 3 2024 (U11 Girls)
2024/03/02
2024/03/02
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1502.1
1494.4
Analysis
3
Southern Knights Rapid 2024 (Junior)
2024/02/24
2024/02/24
Eden District (WEG)
Rapid
30
0.60
6
6
4.0
1414.4
1268.3
Analysis
2
George Schools Trials 2 2024 (U11 Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
5.0
1414.4
1386.9
Analysis
1
George Schools Trials 1 2024 (U11 Girls)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1414.4
1386.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
21
Eden Chess Trials 2 2024 (U12)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
6.5
1592.2
1630.5
Analysis
20
Eden School Chess Trials 1 2024 (U11 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
5.0
1502.1
1494.4
Analysis
19
George Schools Trials 3 2024 (U11 Girls)
2024/03/02
2024/03/02
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1502.1
1494.4
Analysis
18
Southern Knights Rapid 2024 (Junior)
2024/02/24
2024/02/24
Eden District (WEG)
Rapid
30
0.60
6
6
4.0
1414.4
1268.3
Analysis
17
George Schools Trials 2 2024 (U11 Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
5.0
1414.4
1386.9
Analysis
16
George Schools Trials 1 2024 (U11 Girls)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1414.4
1386.9
Analysis
15
2023 Western Cape Rural Cup (U10)
2023/12/09
2023/12/10
Cape Winelands (WCW)
Standard
60
0.83
5
2
1.0
1455.6
1437.8
Analysis
14
Eden Open 2023 (C)
2023/12/02
2023/12/02
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1455.6
1437.8
Analysis
13
Western Cape Club Championships 2023 (Tier 2)
2023/10/21
2023/10/22
Eden District (WEG)
Standard
65
0.85
5
5
3.0
1486.6
1469.8
Analysis
12
Mossel Bay Open 2023 (C)
2023/09/30
2023/09/30
Eden District (WEG)
Rapid
30
0.60
5
5
4.0
1456.8
1220.4
Analysis
11
Western Cape Top Schools 2023 (U9 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
6
4.0
1456.8
1464.0
Analysis
10
Pacaltsdorp Chess Club Open 2023 (Development)
2023/08/26
2023/08/26
Eden District (WEG)
Rapid
30
0.60
6
5
3.0
1469.0
1200.0
Analysis
9
Eden Top Schools 2023 (U9 Mix)
2023/08/19
2023/08/19
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1469.0
1464.6
Analysis
8
Top Schools 2023 (U9)
2023/07/29
2023/07/29
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1459.2
1452.1
Analysis
7
George Chess Club Winter Open 2023 (D)
2023/05/20
2023/05/20
Eden District (WEG)
Standard
60
0.83
5
4
3.0
1408.3
1435.8
Analysis
6
Western Cape PS Individuals 2023 (U9 Girls)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1408.3
1435.8
Analysis
5
Eden Trials 2+3 2023 (U10)
2023/04/15
2023/05/13
Eden District (WEG)
Standard
60
0.83
10
9
6.0
1408.3
1435.8
Analysis
4
Eden Trails 1 2023 (U9 Girls)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
5
4.5
1387.7
1420.4
Analysis
3
George Chess Trials 3 2023 (U9 Girls)
2023/02/25
2023/02/25
Eden District (WEG)
Standard
60
0.83
5
5
5.0
1284.3
1301.6
Analysis
2
George Chess Trials 2 2023 (U9 Girls)
2023/02/11
2023/02/11
Cape Town (WCT)
Standard
60
0.83
5
5
4.5
1284.3
1301.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
36
27
3
6
28.5
79.2
247.9
1354.2
1602.1
White
18
14
1
3
14.5
80.6
259.7
1354.0
1613.7
Black
18
13
2
3
14.0
77.8
236.1
1354.5
1590.6
Standard
All
30
23
3
4
24.5
81.7
269.2
1360.5
1629.7
White
15
12
1
2
12.5
83.3
283.3
1363.9
1647.2
Black
15
11
2
2
12.0
80.0
255.0
1357.2
1612.2
Rapid
All
6
4
0
2
4.0
66.7
141.7
1322.7
1464.4
White
3
2
0
1
2.0
66.7
141.7
1304.6
1446.3
Black
3
2
0
1
2.0
66.7
141.7
1340.8
1482.5
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
113
84
5
24
86.5
76.5
225.7
1286.4
1512.0
White
56
42
3
11
43.5
77.7
235.3
1283.8
1519.0
Black
57
42
2
13
43.0
75.4
216.2
1288.9
1505.2
Standard
All
97
73
5
19
75.5
77.8
236.6
1281.4
1518.0
White
48
37
3
8
38.5
80.2
256.8
1276.0
1532.7
Black
49
36
2
11
37.0
75.5
216.8
1286.7
1503.5
Rapid
All
16
11
0
5
11.0
68.8
159.4
1316.8
1476.2
White
8
5
0
3
5.0
62.5
106.3
1330.7
1437.0
Black
8
6
0
2
6.0
75.0
212.5
1302.9
1515.4
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2140148827
Botha, J (Jaylie)
5
4.5
4
1
0
90.0
1327.7
340.0
1667.7
View list
2
1140144676
Mpuru, J (Jk)
5
0.0
0
0
5
0.0
1477.1
-425.0
1052.1
View list
3
2140148826
Beaunielle, C (Cathi)
3
3.0
3
0
0
100.0
1290.7
425.0
1715.7
View list
4
1130148062
Marner, B (Bryan Neil)
3
3.0
3
0
0
100.0
1442.3
425.0
1867.3
View list
5
2130136965
Pringle, K (Kirsten)
3
3.0
3
0
0
100.0
1443.6
425.0
1868.6
View list
6
2130136581
Brewis, S (Sienna)
3
2.0
2
0
1
66.7
1461.8
141.7
1603.5
View list
7
1110130128
Da Silva, D (Darren)
3
2.0
2
0
1
66.7
1460.5
141.7
1602.1
View list
8
1120118497
Sampson, E (Eejay)
3
0.0
0
0
3
0.0
1426.5
-425.0
1001.5
View list
9
2140149955
Barnard, M (Marizaan)
2
2.0
2
0
0
100.0
1458.3
425.0
1883.3
View list
10
1140144672
Brewis, F (Fox)
2
2.0
2
0
0
100.0
1438.7
425.0
1863.7
View list
11
2150156961
Coleman, G (Gabriella)
2
2.0
2
0
0
100.0
1336.0
425.0
1761.0
View list
12
2130147007
Douglas, K (Keyla)
2
2.0
2
0
0
100.0
1503.3
425.0
1928.3
View list
13
2140148833
Mouton, C (Carli)
2
2.0
2
0
0
100.0
1433.8
425.0
1858.8
View list
14
2150142295
Stewart, C (Chante)
2
2.0
2
0
0
100.0
1284.3
425.0
1709.3
View list
15
2140148836
Van Den Heever, C (Christelle)
2
2.0
2
0
0
100.0
1242.2
425.0
1667.2
View list
16
2110136943
Wanie, A (Amy Lee)
2
1.0
1
0
1
50.0
1477.8
0.0
1477.8
View list
17
2140139124
Claassen, J (Jeneva)
1
1.0
1
0
0
100.0
1408.3
425.0
1833.3
View list
18
2150148828
Chaonwa, N (Natalie)
1
1.0
1
0
0
100.0
1284.3
425.0
1709.3
View list
19
2140150269
Cetywayo, S (Siyahluma)
1
1.0
1
0
0
100.0
1408.3
425.0
1833.3
View list
20
2130148770
Bruiners, C (Chandre)
1
1.0
1
0
0
100.0
1414.4
425.0
1839.4
View list