Player Page

Joubert, N (Natasha)
Dob: 2005/12/06 (U20)
Gender: Female
Chess SA id: 205014626
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s): WCM,RA
Last active: 2024/05/01 (50 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
Current Raw rating1597.9
Current Weighted rating1578.3
Current Weighted performance1510.3
Current official/published rating (highest between Raw, WR and WP)1597.9
Current highest rating achieved1618.9
Current floor (min rating allowed)1118.9
Current K-factor28
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)±94.1
Current Raw change used (final)0.0
Projected new Raw rating1597.9
Projected new Weighed rating1453.1
Projected new Weighted performance1510.3
Projected new final Raw rating (if new WP > new Raw)1597.9
Projected new highest rating1618.9
Projected new floor1118.9
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1597.9
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1603.2
Current Weighted rating1592.1
Current Weighted performance1514.0
Current official/published rating (highest between Raw, WR and WP)1603.2
Current highest rating achieved1643.0
Current floor (min rating allowed)1143.0
Current K-factor28
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)±93.4
Current Raw change used (final)0.0
Projected new Raw rating1603.2
Projected new Weighed rating1466.0
Projected new Weighted performance1514.0
Projected new final Raw rating (if new WP > new Raw)1603.2
Projected new highest rating1643.0
Projected new floor1143.0
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1603.2
Projected effective change (new Official - current Official)=0.0
s
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
Current Raw rating1297.5
Current Weighted rating1294.2
Current Weighted performance1018.8
Current official/published rating (highest between Raw, WR and WP)1297.5
Current highest rating achieved1297.5
Current floor (min rating allowed)797.5
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)±144.3
Current Raw change used (final)0.0
Projected new Raw rating1297.5
Projected new Weighed rating1191.0
Projected new Weighted performance1018.8
Projected new final Raw rating (if new WP > new Raw)1297.5
Projected new highest rating1297.5
Projected new floor797.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1297.5
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1277.9
Current Weighted rating1279.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1279.7
Current highest rating achieved1292.7
Current floor (min rating allowed)792.7
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)±148.4
Current Raw change used (final)0.0
Projected new Raw rating1277.9
Projected new Weighed rating1177.0
Projected new Weighted performance705.5
Projected new final Raw rating (if new WP > new Raw)1277.9
Projected new highest rating1292.7
Projected new floor792.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1277.9
Projected effective change (new Official - current Official)-1.8
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 South African Junior Closed Chess Championship 2024 (U20 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 7.0 1595.9 1606.0 Analysis
1 Western Cape Inter Region Cup 2024 (Ladies) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 4.5 1571.9 1588.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
73 South African Junior Closed Chess Championship 2024 (U20 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 7.0 1595.9 1606.0 Analysis
72 Western Cape Inter Region Cup 2024 (Ladies) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 4.5 1571.9 1588.9 Analysis
71 CW Top Schools 2023 (Elite) 2023/08/11 2023/08/13 West Coast (WCU) Standard 90 0.94 6 5 2.0 1618.9 1643.0 Analysis
70 WP Club League 2023 (B) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 1 0.0 1586.5 1604.6 Analysis
69 2023 SA Schools Winter Games (U18 Girls) 2023/07/04 2023/07/06 West Rand (GWR) Standard 65 0.85 7 7 6.0 1583.0 1606.6 Analysis
68 Hermanus Rapid 2023 (A) 2023/04/22 2023/04/22 Overberg (WOS) Rapid 25 0.54 6 6 2.0 1615.8 1275.2 Analysis
67 Western Cape HS Individuals 2023 (U19 Girls) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 5 3.5 1615.8 1626.2 Analysis
66 Cape Town Open 2023 (Advanced) 2023/03/24 2023/03/26 Cape Town (WCT) Standard 90 0.94 6 6 4.0 1569.2 1571.4 Analysis
65 Western Cape Inter Regional 2023 (Senior Ladies) 2023/03/18 2023/03/19 Eden District (WEG) Standard 90 0.94 5 4 3.0 1569.2 1571.4 Analysis
64 Western Cape Inter Regional 2023 (Blitz) 2023/03/17 2023/03/17 Eden District (WEG) Blitz 5 0.18 5 5 3.0 1569.2 1292.7 Analysis
63 Cape Town Metro Schools Chess Closed Individuals 2023 (U19 Girls) 2023/03/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 6.0 1569.2 1571.4 Analysis
62 North District School Trials 2023 (U17+U19 Girls) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 5 3 3.0 1561.0 1562.4 Analysis
61 Cape of Good Hope Open 2023 (Advanced) 2023/01/28 2023/01/29 Cape Town (WCT) Standard 70 0.87 6 6 5.0 1513.7 1510.6 Analysis
60 Western Cape Club Championship 2022 (Tier 2) 2022/10/07 2022/10/09 Cape Town (WCT) Standard 65 0.85 6 6 2.5 1505.3 1503.9 Analysis
59 World Youth Chess Championships 2022 2022/09/06 2022/09/16 Romania (ROU) Standard 120 1.00 11 11 3.5 1509.8 1507.1 Analysis
58 2022 Western Province Club League (Premier) 2022/08/20 2022/10/01 Cape Town (WCT) Standard 120 1.00 11 4 1.5 1505.3 1503.9 Analysis
57 South African Open 2022 (Blitz) 2022/07/14 2022/07/14 Cape Town (WCT) Blitz 5 0.18 10 10 5.0 1557.6 1223.9 Analysis
56 2022 African Youth Chess Championships 2022/07/03 2022/07/09 Zambia (ZAM) Standard 150 1.00 9 9 5.0 1557.6 1552.2 Analysis
55 Stellenberg Chess Championship 2022 (Championship) 2022/06/24 2022/06/25 Cape Town (WCT) Standard 65 0.85 6 6 3.5 1541.6 1542.3 Analysis
54 WP Closed 2022 (U18+U20) 2022/06/16 2022/06/16 Cape Town (WCT) Standard 70 0.87 6 6 4.5 1541.6 1542.3 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 11 1 2 11.5 82.1 273.2 1370.5 1643.7
White 7 4 1 2 4.5 64.3 121.4 1365.7 1487.1
Black 7 7 0 0 7.0 100.0 425.0 1375.3 1800.3
Standard All 14 11 1 2 11.5 82.1 273.2 1370.5 1643.7
White 7 4 1 2 4.5 64.3 121.4 1365.7 1487.1
Black 7 7 0 0 7.0 100.0 425.0 1375.3 1800.3
Rapid 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
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 446 240 54 152 267.0 59.9 83.9 1359.1 1443.0
White 225 122 25 78 134.5 59.8 83.1 1361.5 1444.6
Black 221 118 29 74 132.5 60.0 84.6 1356.7 1441.3
Standard All 391 207 53 131 233.5 59.7 82.6 1363.4 1446.0
White 198 107 25 66 119.5 60.4 88.0 1359.4 1447.4
Black 193 100 28 65 114.0 59.1 77.1 1367.6 1444.6
Rapid All 40 25 1 14 25.5 63.8 116.9 1276.9 1393.8
White 20 13 0 7 13.0 65.0 127.5 1297.4 1424.9
Black 20 12 1 7 12.5 62.5 106.3 1256.4 1362.7
Blitz All 15 8 0 7 8.0 53.3 28.3 1466.9 1495.2
White 7 2 0 5 2.0 28.6 -182.1 1605.2 1423.1
Black 8 6 0 2 6.0 75.0 212.5 1345.8 1558.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 205053638 Palmer, ZE (Zante) 7 5.0 5 0 2 71.4 1506.5 182.1 1688.6 View list
2 205053371 Yacoob, A (Ameera) 5 3.5 3 1 1 70.0 1491.4 170.0 1661.4 View list
3 106053361 Moollajee, R (Rehaan) 5 3.0 3 0 2 60.0 1450.4 85.0 1535.4 View list
4 1050108039 Mnyasta, C (Charlton) 5 2.0 2 0 3 40.0 1459.7 -85.0 1374.7 View list
5 206092089 Choli, T (Thimwa Angel) 4 4.0 4 0 0 100.0 1391.9 425.0 1816.9 View list
6 203049830 Mitchells, J (Jamie-Lee) 4 2.0 2 0 2 50.0 1499.0 0.0 1499.0 View list
7 205053625 Blows, K (Kiara) 4 1.5 1 1 2 37.5 1354.3 -106.3 1248.1 View list
8 107053637 Palmer, RN (Reegan) 4 1.0 1 0 3 25.0 1436.4 -212.5 1223.9 View list
9 205073351 Brand, R (Robin) 3 3.0 3 0 0 100.0 1400.6 425.0 1825.6 View list
10 205067320 De Beer, J (Janka) 3 3.0 3 0 0 100.0 1343.9 425.0 1768.9 View list
11 206077315 Gardener, A (Angelique) 3 3.0 3 0 0 100.0 1346.5 425.0 1771.5 View list
12 105065981 Minnaar, E (Ethan) 3 3.0 3 0 0 100.0 1385.6 425.0 1810.6 View list
13 102065999 Klaaste, C (Chadley) 3 2.5 2 1 0 83.3 1370.7 283.3 1654.1 View list
14 205054730 Du Preez, L (Lienke) 3 2.0 2 0 1 66.7 1311.8 141.7 1453.4 View list
15 205060329 Maletta, L (Legene) 3 2.0 2 0 1 66.7 1400.6 141.7 1542.3 View list
16 204066121 Wallace, A (Amy) 3 2.0 2 0 1 66.7 1472.9 141.7 1614.5 View list
17 1030096304 Wilson, C (Caden) 3 2.0 1 2 0 66.7 1444.2 141.7 1585.9 View list
18 106089505 Mchontsi, A (Ayabonga) 3 1.5 1 1 1 50.0 1524.9 0.0 1524.9 View list
19 104059592 Boshoff, C (Chris) 3 1.0 1 0 2 33.3 1447.4 -141.7 1305.7 View list
20 1050106200 Braaf, J (Jiraan) 3 0.5 0 1 2 16.7 1443.1 -283.3 1159.8 View list