Player Page

Nkosi, S (Siphesihle)
Dob: 2007/02/19 (U18)
Gender: Male
Chess SA id: 107086151
FIDE id:
Region: Nkangala (MNW)
Citizen: RSA
Title(s):
Last active: 2022/08/22 (634 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 rating1444.1
Curent Weighted rating1444.0
Curent Weighted performance1020.3
Current official/published rating (highest between Raw, WR and WP)1444.1
Current floor (min rating allowed)956.5
Current highest rating achieved1456.5
Current K-factor32
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)±117.1
Current Raw change used (final)0.0
Projected new Raw rating1444.1
Projected new Weighed rating1444.0
Projected new Weighted performance1020.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1444.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1456.5
Projected new floor956.5
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 rating1380.7
Curent Weighted rating1380.8
Curent Weighted performance867.9
Current official/published rating (highest between Raw, WR and WP)1380.8
Current floor (min rating allowed)914.9
Current highest rating achieved1414.9
Current K-factor32
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)±128.2
Current Raw change used (final)0.0
Projected new Raw rating1380.7
Projected new Weighed rating1380.7
Projected new Weighted performance867.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1380.7
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1414.9
Projected new floor914.9
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 rating1062.4
Curent Weighted rating1061.1
Curent Weighted performance758.4
Current official/published rating (highest between Raw, WR and WP)1062.4
Current floor (min rating allowed)562.4
Current highest rating achieved1062.4
Current K-factor40
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)±201.7
Current Raw change used (final)0.0
Projected new Raw rating1062.4
Projected new Weighed rating1062.0
Projected new Weighted performance758.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1062.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1062.4
Projected new floor562.4
Projected new K-facor40
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 rating500.0
Curent Weighted rating500.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)500.0
Current floor (min rating allowed)562.4
Current highest rating achieved500.0
Current K-factor40
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating500.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating500.0
Projected new floor562.4
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Mpumalanga Finaal 2022 (O15) 2022/08/22 2022/08/22 Gert Sibande (MGS) Rapid 30 0.60 5 4 4.0 1425.7 932.8 Analysis
14 Alberton Chess Club Open 2022 (B) 2022/07/16 2022/07/16 Ekurhuleni (GE) Standard 60 0.83 5 3 0.5 1456.5 1414.9 Analysis
13 Ekurhuleni Chess Open 2022 (C) 2022/01/08 2022/01/08 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1418.5 1351.2 Analysis
12 Ekurhuleni Chess Chessa Open 2021 (B) 2021/03/27 2021/03/27 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1443.2 1372.1 Analysis
11 Nkangala 3rd Tournament HTS Witbank 2020 (C) 2020/03/07 2020/03/07 Nkangala (MNW) Standard 60 0.83 5 5 5.0 1328.1 1257.2 Analysis
10 Nkangala 2nd Tournament St Thomas Aquinas School 2020 (C) 2020/02/08 2020/02/08 Nkangala (MNW) Standard 60 0.83 5 5 4.0 1271.0 1161.2 Analysis
9 Nkangala 1st Toutrnament Laerskool CR Swart 2020 (C) 2020/01/25 2020/01/25 Nkangala (MNW) Rapid 15 0.39 5 5 4.0 1047.0 785.2 Analysis
8 2019 Wild Card Chess Championship (U14 Open) 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 7 3.0 1047.0 811.6 Analysis
7 2019 South African Junior Team Championships (U14E) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 5.5 1047.0 811.6 Analysis
6 Nkangala 3rd Tournament St Thomas Aquinas School - Witbank 2019 (E) 2019/04/13 2019/04/13 Nkangala (MNW) Rapid 30 0.60 5 5 3.0 1023.0 676.4 Analysis
5 Nkangala 1st Tournamant Laerskool President CR Swart 2019 (D) 2019/02/02 2019/02/02 Nkangala (MNW) Rapid 30 0.60 5 5 3.0 824.7 579.2 Analysis
4 South African Junior Team Championships 2018 (U12C) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 5.0 690.3 670.4 Analysis
3 Nkangala 5th Tournament Laerskool Panorama - Witbank 2018 (E-G) 2018/07/28 2018/07/28 Nkangala (MNW) Standard 60 0.83 5 5 4.0 578.1 538.8 Analysis
2 Curro Age Open 2018 (U12 Open) 2018/05/12 2018/05/12 Ehlanzeni (MEN) Standard 63 0.84 5 5 1.5 547.5 500.0 Analysis
1 3rd Nkangala Tournament Curro School 2018 (E) 2018/03/24 2018/03/24 Nkangala (MNW) Rapid 30 0.60 5 4 2.0 500.0 500.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 77 50 3 24 51.5 66.9 143.5 1168.5 1312.0
White 37 26 2 9 27.0 73.0 195.3 1177.3 1372.6
Black 40 24 1 15 24.5 61.3 95.6 1160.4 1256.0
Standard All 54 34 3 17 35.5 65.7 133.8 1175.2 1308.9
White 26 18 2 6 19.0 73.1 196.2 1161.8 1358.0
Black 28 16 1 11 16.5 58.9 75.9 1187.5 1263.4
Rapid All 23 16 0 7 16.0 69.6 166.3 1153.0 1319.3
White 11 8 0 3 8.0 72.7 193.2 1213.9 1407.1
Black 12 8 0 4 8.0 66.7 141.7 1097.1 1238.8
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 108069915 Mametja, O (Oarabile) 3 1.0 1 0 2 33.3 802.1 -141.7 660.4 View list
2 1100105553 Mapota, O (Oreagile) 3 1.0 1 0 2 33.3 965.4 -141.7 823.7 View list
3 110082447 Mgidi, T (Thandolwethu) 2 2.0 2 0 0 100.0 1159.0 425.0 1584.0 View list
4 108089317 Phepeng, T (Tshegofatso) 2 2.0 2 0 0 100.0 1187.5 425.0 1612.5 View list
5 107088030 Lusi, L (Lunathi) 1 1.0 1 0 0 100.0 1047.0 425.0 1472.0 View list
6 1080135388 Groenewald, R (Ruan) 1 1.0 1 0 0 100.0 1418.5 425.0 1843.5 View list
7 1070097750 Groenewald, R (Rowan) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
8 1080101674 Grobler, C (Christian) 1 1.0 1 0 0 100.0 547.5 425.0 972.5 View list
9 1110105557 Fouche, Z (Zane) 1 1.0 1 0 0 100.0 578.1 425.0 1003.1 View list
10 1060097242 Fernandes, A (Aleandro) 1 1.0 1 0 0 100.0 1047.0 425.0 1472.0 View list
11 1120130122 Engelbrecht, G (Gawie) 1 1.0 1 0 0 100.0 1047.0 425.0 1472.0 View list
12 108069538 Edeani, T (Tobenna) 1 1.0 1 0 0 100.0 1328.1 425.0 1753.1 View list
13 108088040 Black, C (Connor) 1 1.0 1 0 0 100.0 690.3 425.0 1115.3 View list
14 106076510 Attwell, R (Rowan) 1 1.0 1 0 0 100.0 1047.0 425.0 1472.0 View list
15 1080145291 Arendt, W (Wernbes) 1 1.0 1 0 0 100.0 1425.7 425.0 1850.7 View list
16 206068010 Chili, O (Olwethu) 1 1.0 1 0 0 100.0 1047.0 425.0 1472.0 View list
17 2080108481 Kok, S (Sydney) 1 1.0 1 0 0 100.0 1425.7 425.0 1850.7 View list
18 1060120000 Mahomed, N (Na`eem) 1 1.0 1 0 0 100.0 1047.0 425.0 1472.0 View list
19 1070109123 Mamogale, P (Phethego) 1 1.0 1 0 0 100.0 824.7 425.0 1249.7 View list
20 1080110320 Mashego, T (Toka) 1 1.0 1 0 0 100.0 1047.0 425.0 1472.0 View list