Player Page

Isaacs, N (Nontlahla)
Dob: 2004/08/07 (Adult)
Gender: Female
Chess SA id: 2040098799
FIDE id:
Region: Namakwa (NCN)
Citizen: RSA
Title(s):
Last active: 2024/09/26 (57 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 rating1292.4
Current Weighted rating1318.9
Current Weighted performance911.8
Current official/published rating (highest between Raw, WR and WP)1318.9
Current highest rating achieved1322.5
Current floor (min rating allowed)822.5
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)±145.4
Current Raw change used (final)0.0
Projected new Raw rating1292.4
Projected new Weighed rating1213.3
Projected new Weighted performance911.8
Projected new final Raw rating (if new WP > new Raw)1292.4
Projected new highest rating1322.5
Projected new floor822.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1292.4
Projected effective change (new Official - current Official)-26.5
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 rating1293.1
Current Weighted rating1322.3
Current Weighted performance727.6
Current official/published rating (highest between Raw, WR and WP)1322.3
Current highest rating achieved1324.8
Current floor (min rating allowed)824.8
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)±145.2
Current Raw change used (final)0.0
Projected new Raw rating1293.1
Projected new Weighed rating1216.4
Projected new Weighted performance727.6
Projected new final Raw rating (if new WP > new Raw)1293.1
Projected new highest rating1324.8
Projected new floor824.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1293.1
Projected effective change (new Official - current Official)-29.2
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 rating1210.8
Current Weighted rating1202.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1210.8
Current highest rating achieved1210.8
Current floor (min rating allowed)710.8
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)±163.3
Current Raw change used (final)0.0
Projected new Raw rating1210.8
Projected new Weighed rating1106.4
Projected new Weighted performance402.0
Projected new final Raw rating (if new WP > new Raw)1210.8
Projected new highest rating1210.8
Projected new floor710.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1210.8
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 CoSACSA Summer Ball 2024 (Female) 2024/09/23 2024/09/26 King Cetshwayo (KUR) Standard 60 0.83 9 8 4.0 1314.8 1324.8 Analysis
1 West Coast College Inter Campus 2024 2024/08/03 2024/08/03 West Coast (WCU) Rapid 22 0.50 5 5 3.0 1322.5 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 CoSACSA Summer Ball 2024 (Female) 2024/09/23 2024/09/26 King Cetshwayo (KUR) Standard 60 0.83 9 8 4.0 1314.8 1324.8 Analysis
11 West Coast College Inter Campus 2024 2024/08/03 2024/08/03 West Coast (WCU) Rapid 22 0.50 5 5 3.0 1322.5 1200.0 Analysis
10 Namakwa Distrik Proewe 2020 (U18 Girls) 2020/03/14 2020/03/14 Namakwa (NCN) Standard 60 0.83 5 4 3.0 1320.1 1322.6 Analysis
9 Namakwa Skaak 2019 (O16) 2019/08/03 2019/08/03 Namakwa (NCN) Standard 60 0.83 5 5 4.5 1274.6 1265.4 Analysis
8 Northern Cape Trails 2019 (U15 Girls) 2019/06/13 2019/06/13 ZF Mgcawu (NZF) Standard 62 0.84 5 5 2.0 1310.9 1309.0 Analysis
7 Namakwa Proewe 2019 (U15 Girls) 2019/03/02 2019/03/02 Namakwa (NCN) Standard 60 0.83 5 5 4.0 1271.5 1281.5 Analysis
6 Namakwa Skaak Ope 2019 (O16) 2019/02/16 2019/02/16 Namakwa (NCN) Standard 60 0.83 5 4 4.0 1217.7 1218.1 Analysis
5 Northern Cape Closed Chess Championships 2018 (U16 Girls) 2018/08/31 2018/09/01 Frances Baard (NCF) Standard 92 0.94 5 4 2.0 1241.4 1244.0 Analysis
4 Namakwa Proewe 2018 (O16) 2018/08/04 2018/08/04 Namakwa (NCN) Standard 60 0.83 5 5 3.0 1250.7 1257.0 Analysis
3 NC Provincial Schools Eliminations 2018 (U15 Girls) 2018/06/23 2018/06/23 Frances Baard (NCF) Standard 60 0.83 5 5 3.0 1238.4 1244.0 Analysis
2 Inter Regional 2018 (U16 Team) 2018/05/04 2018/05/05 Frances Baard (NCF) Standard 60 0.83 5 5 2.0 1281.7 1298.4 Analysis
1 Namakwa Distrik Skaak Proewe 2018 (O13+O15 Dogters) 2018/03/17 2018/03/17 Namakwa (NCN) Standard 60 0.83 5 5 5.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 13 7 0 6 7.0 53.8 32.7 1209.6 1242.3
White 7 5 0 2 5.0 71.4 182.1 1191.6 1373.8
Black 6 2 0 4 2.0 33.3 -141.7 1230.5 1088.8
Standard All 8 4 0 4 4.0 50.0 0.0 1235.1 1235.1
White 4 3 0 1 3.0 75.0 212.5 1204.2 1416.7
Black 4 1 0 3 1.0 25.0 -212.5 1266.1 1053.6
Rapid All 5 3 0 2 3.0 60.0 85.0 1168.7 1253.7
White 3 2 0 1 2.0 66.7 141.7 1174.9 1316.6
Black 2 1 0 1 1.0 50.0 0.0 1159.3 1159.3
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 60 39 1 20 39.5 65.8 134.6 1163.7 1298.3
White 30 23 1 6 23.5 78.3 240.8 1171.0 1411.8
Black 30 16 0 14 16.0 53.3 28.3 1156.4 1184.7
Standard All 55 36 1 18 36.5 66.4 139.1 1163.2 1302.3
White 27 21 1 5 21.5 79.6 251.9 1170.6 1422.4
Black 28 15 0 13 15.0 53.6 30.4 1156.2 1186.5
Rapid All 5 3 0 2 3.0 60.0 85.0 1168.7 1253.7
White 3 2 0 1 2.0 66.7 141.7 1174.9 1316.6
Black 2 1 0 1 1.0 50.0 0.0 1159.3 1159.3
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 203080856 Drage, E (Elouise) 3 3.0 3 0 0 100.0 1230.7 425.0 1655.7 View list
2 2030098807 Baker, L (Leone) 3 2.0 2 0 1 66.7 1252.8 141.7 1394.5 View list
3 203080848 Jacobs, T (Toschia) 2 2.0 2 0 0 100.0 1220.7 425.0 1645.7 View list
4 2040109921 Cloete, M (Megan) 2 2.0 2 0 0 100.0 1273.0 425.0 1698.0 View list
5 2040109924 Visagie, J (Jerell) 2 2.0 2 0 0 100.0 1273.0 425.0 1698.0 View list
6 1040098846 Muller, Z (Zaden) 2 1.5 1 1 0 75.0 1246.2 212.5 1458.7 View list
7 203023091 Milford, ZM (Zoe) 2 0.0 0 0 2 0.0 1260.1 -425.0 835.1 View list
8 2030098808 Flagg, A (Andrea) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 2060098809 Cloete, M (Miche) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 202080878 Barnard, C (Christine) 1 1.0 1 0 0 100.0 1320.1 425.0 1745.1 View list
11 2030133275 Blakenberg, M (Myafanwynn) 1 1.0 1 0 0 100.0 1320.1 425.0 1745.1 View list
12 1030098840 Cloete, D (Damian) 1 1.0 1 0 0 100.0 1250.7 425.0 1675.7 View list
13 204080855 Carolus, K (Kalysha) 1 1.0 1 0 0 100.0 1271.5 425.0 1696.5 View list
14 2040311277 Makhoba, S (Samukelisiwe) 1 1.0 1 0 0 100.0 1314.8 425.0 1739.8 View list
15 1040096057 Maier, Q (Quintin) 1 1.0 1 0 0 100.0 1217.7 425.0 1642.7 View list
16 1930308651 Mabeba, M (Modiri) 1 1.0 1 0 0 100.0 1322.5 425.0 1747.5 View list
17 2040109927 Jurkewitz, S (Svenja) 1 1.0 1 0 0 100.0 1271.5 425.0 1696.5 View list
18 2040100707 Masego, K (Kgosienewang) 1 1.0 1 0 0 100.0 1238.4 425.0 1663.4 View list
19 1050308654 Melloy, G (Graeme) 1 1.0 1 0 0 100.0 1322.5 425.0 1747.5 View list
20 1030098844 Meyer, T (Tyrone) 1 1.0 1 0 0 100.0 1250.7 425.0 1675.7 View list