Player Page

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: 2024/05/05 (14 days ago)
Ratings
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 rating1577.6
Curent Weighted rating1439.9
Curent Weighted performance1565.9
Current official/published rating (highest between Raw, WR and WP)1577.6
Current floor (min rating allowed)1092.2
Current highest rating achieved1592.2
Current K-factor32
Games played this month15
Score (S)11.0
Expected score (We)10.92
Difference (S-We)0.08
Current Raw change (no limits, including tournament time weight)-1.0
Current min/max change allowed (with limits)±96.8
Current Raw change used (final)-1.0
Projected new Raw rating1576.6
Projected new Weighed rating1455.8
Projected new Weighted performance1565.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1576.6
Projected effective change (new Official - current Official)-1.0
Projected new highest rating1592.2
Projected new floor1092.2
Projected new K-facor32
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 rating1612.1
Curent Weighted rating1439.5
Curent Weighted performance1602.0
Current official/published rating (highest between Raw, WR and WP)1612.1
Current floor (min rating allowed)1130.5
Current highest rating achieved1630.5
Current K-factor28
Games played this month15
Score (S)11.0
Expected score (We)11.95
Difference (S-We)-0.95
Current Raw change (no limits, including tournament time weight)-26.6
Current min/max change allowed (with limits)±92.2
Current Raw change used (final)-26.6
Projected new Raw rating1585.5
Projected new Weighed rating1456.1
Projected new Weighted performance1602.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1602.0
Projected effective change (new Official - current Official)-10.1
Projected new highest rating1630.5
Projected new floor1130.5
Projected new K-facor28
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 rating1278.4
Curent Weighted rating1244.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1278.4
Current floor (min rating allowed)778.4
Current highest rating achieved1278.4
Current K-factor36
Games played this month0
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 rating1278.4
Projected new Weighed rating1248.4
Projected new Weighted performance0.0
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 rating1278.4
Projected new floor778.4
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)778.4
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1200.0
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 rating1200.0
Projected new floor778.4
Projected new K-facor36
Tournaments
Tournament: Western Cape PS Individuals Championship 2024 (U11 Girls)
Start: 2024/05/04  End: 2024/05/05  Host: WCU  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 6
Games: 6  Score: 5.0
Main rating: 1577.6  Rating gain/loss: 17.3
Type rating: 1612.1  Rating gain/loss: 2.0
Analysis
Tournament: South African Junior Closed Chess Championship 2024 (U10 Girls)
Start: 2024/04/27  End: 2024/05/01  Host: GE  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 9
Games: 9  Score: 6.0
Main rating: 1577.6  Rating gain/loss: -18.2
Type rating: 1612.1  Rating gain/loss: -28.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 Western Cape PS Individuals Championship 2024 (U11 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 5.0 1577.6 1612.1 Analysis
7 South African Junior Closed Chess Championship 2024 (U10 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 6.0 1577.6 1612.1 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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
23 Western Cape PS Individuals Championship 2024 (U11 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 5.0 1577.6 1612.1 Analysis
22 South African Junior Closed Chess Championship 2024 (U10 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 6.0 1577.6 1612.1 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
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 51 36 7 8 39.5 77.5 233.3 1360.2 1593.5
White 24 18 3 3 19.5 81.3 265.6 1353.4 1619.0
Black 27 18 4 5 20.0 74.1 204.6 1366.2 1570.8
Standard All 45 32 7 6 35.5 78.9 245.6 1365.2 1610.7
White 21 16 3 2 17.5 83.3 283.3 1360.4 1643.7
Black 24 16 4 4 18.0 75.0 212.5 1369.4 1581.9
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 128 93 9 26 97.5 76.2 222.5 1296.7 1519.2
White 62 46 5 11 48.5 78.2 239.9 1290.3 1530.3
Black 66 47 4 15 49.0 74.2 206.1 1302.7 1508.7
Standard All 112 82 9 21 86.5 77.2 231.5 1293.8 1525.3
White 54 41 5 8 43.5 80.6 259.7 1284.4 1544.1
Black 58 41 4 13 43.0 74.1 205.2 1302.6 1507.8
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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 2140149834 Lambrechts, M (Madison) 2 2.0 2 0 0 100.0 1492.9 425.0 1917.9 View list
14 2140148833 Mouton, C (Carli) 2 2.0 2 0 0 100.0 1433.8 425.0 1858.8 View list
15 2150142295 Stewart, C (Chante) 2 2.0 2 0 0 100.0 1284.3 425.0 1709.3 View list
16 2140148836 Van Den Heever, C (Christelle) 2 2.0 2 0 0 100.0 1242.2 425.0 1667.2 View list
17 2140139710 Du Preez, A (Anneke) 2 1.5 1 1 0 75.0 1492.9 212.5 1705.4 View list
18 2140149833 Cyster, R (Renesme) 2 1.0 1 0 1 50.0 1516.6 0.0 1516.6 View list
19 2110136943 Wanie, A (Amy Lee) 2 1.0 1 0 1 50.0 1477.8 0.0 1477.8 View list
20 2140139124 Claassen, J (Jeneva) 1 1.0 1 0 0 100.0 1408.3 425.0 1833.3 View list