Player Page

Botha, S (Sebastian)
Dob: 2014/11/17 (U12)
Gender: Male
Chess SA id: 1140153029
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/04/13 (66 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 rating1183.3
Current Weighted rating1194.3
Current Weighted performance1102.2
Current official/published rating (highest between Raw, WR and WP)1194.3
Current highest rating achieved1210.0
Current floor (min rating allowed)710.0
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)±169.8
Current Raw change used (final)0.0
Projected new Raw rating1183.3
Projected new Weighed rating1098.5
Projected new Weighted performance1102.2
Projected new final Raw rating (if new WP > new Raw)1183.3
Projected new highest rating1210.0
Projected new floor710.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1183.3
Projected effective change (new Official - current Official)-11.0
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 rating1144.6
Current Weighted rating1182.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1182.7
Current highest rating achieved1208.0
Current floor (min rating allowed)708.0
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)±179.4
Current Raw change used (final)0.0
Projected new Raw rating1144.6
Projected new Weighed rating1087.4
Projected new Weighted performance950.6
Projected new final Raw rating (if new WP > new Raw)1144.6
Projected new highest rating1208.0
Projected new floor708.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1144.6
Projected effective change (new Official - current Official)-38.1
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 rating1238.5
Current Weighted rating1208.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1238.5
Current highest rating achieved1238.5
Current floor (min rating allowed)738.5
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)±157.0
Current Raw change used (final)0.0
Projected new Raw rating1238.5
Projected new Weighed rating1112.5
Projected new Weighted performance738.9
Projected new final Raw rating (if new WP > new Raw)1238.5
Projected new highest rating1238.5
Projected new floor738.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1238.5
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 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
4 Westwood Open 2024 (C) 2024/04/13 2024/04/13 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1192.6 1150.0 Analysis
3 Benoni Primary School Cluster Individuals 2024 (U11 Boys) 2024/03/09 2024/03/09 Ekurhuleni (GE) Rapid 30 0.60 5 5 3.0 1156.7 1200.0 Analysis
2 Ekurhuleni North Chess Club Open Tournament 2024 (E) 2024/03/02 2024/03/02 Ehlanzeni (MEN) Rapid 30 0.60 7 7 4.0 1156.7 1200.0 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U10B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1205.8 1202.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Westwood Open 2024 (C) 2024/04/13 2024/04/13 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1192.6 1150.0 Analysis
5 Benoni Primary School Cluster Individuals 2024 (U11 Boys) 2024/03/09 2024/03/09 Ekurhuleni (GE) Rapid 30 0.60 5 5 3.0 1156.7 1200.0 Analysis
4 Ekurhuleni North Chess Club Open Tournament 2024 (E) 2024/03/02 2024/03/02 Ehlanzeni (MEN) Rapid 30 0.60 7 7 4.0 1156.7 1200.0 Analysis
3 2024 Gauteng Inter-Region Chess Championship (U10B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1205.8 1202.6 Analysis
2 Ekurhuleni Chess Trial 3 2023 (U10) 2023/06/17 2023/06/17 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1210.0 1208.0 Analysis
1 Ekhuruleni Chess Trials 1 2023 (U8+U10) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 21 9 0 12 9.0 42.9 -60.7 1233.0 1172.3
White 11 4 0 7 4.0 36.4 -115.9 1247.4 1131.5
Black 10 5 0 5 5.0 50.0 0.0 1217.2 1217.2
Standard All 9 2 0 7 2.0 22.2 -236.1 1272.2 1036.1
White 5 1 0 4 1.0 20.0 -255.0 1281.5 1026.5
Black 4 1 0 3 1.0 25.0 -212.5 1260.7 1048.2
Rapid All 12 7 0 5 7.0 58.3 70.8 1203.6 1274.5
White 6 3 0 3 3.0 50.0 0.0 1219.0 1219.0
Black 6 4 0 2 4.0 66.7 141.7 1188.2 1329.9
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 31 14 0 17 14.0 45.2 -41.1 1230.5 1189.3
White 17 6 0 11 6.0 35.3 -125.0 1247.3 1122.3
Black 14 8 0 6 8.0 57.1 60.7 1210.0 1270.8
Standard All 19 7 0 12 7.0 36.8 -111.8 1247.4 1135.6
White 11 3 0 8 3.0 27.3 -193.2 1262.7 1069.5
Black 8 4 0 4 4.0 50.0 0.0 1226.4 1226.4
Rapid All 12 7 0 5 7.0 58.3 70.8 1203.6 1274.5
White 6 3 0 3 3.0 50.0 0.0 1219.0 1219.0
Black 6 4 0 2 4.0 66.7 141.7 1188.2 1329.9
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 1140143723 Collins, J (Jaytem) 2 2.0 2 0 0 100.0 1178.3 425.0 1603.3 View list
2 1150142638 Els, L (Luan) 1 1.0 1 0 0 100.0 1210.0 425.0 1635.0 View list
3 1130301227 Du Preez, D (Daniel) 1 1.0 1 0 0 100.0 1156.7 425.0 1581.7 View list
4 1160301335 Michel, N (Nazario) 1 1.0 1 0 0 100.0 1156.7 425.0 1581.7 View list
5 2140155181 Mendonca, N (Nelita) 1 1.0 1 0 0 100.0 1156.7 425.0 1581.7 View list
6 1150151765 Louw, J (Jean) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2130302653 Nankervis, C (Chloe) 1 1.0 1 0 0 100.0 1192.6 425.0 1617.6 View list
8 1150148078 Naicker, K (Kahlayo) 1 1.0 1 0 0 100.0 1210.0 425.0 1635.0 View list
9 1140153987 Nortje, O (Owen) 1 1.0 1 0 0 100.0 1192.6 425.0 1617.6 View list
10 1140301245 Sardinha, S (Seveano) 1 1.0 1 0 0 100.0 1156.7 425.0 1581.7 View list
11 2140158233 Van Der Westhuizen, L (L-Ree) 1 1.0 1 0 0 100.0 1156.7 425.0 1581.7 View list
12 1150151775 Van Wyk, P (Paul) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1140301253 Voogt, J (Jaak) 1 1.0 1 0 0 100.0 1156.7 425.0 1581.7 View list
14 1140148614 Subroyen, J (Jeevesh) 1 0.0 0 0 1 0.0 1205.8 -425.0 780.8 View list
15 2140141407 Rossouw, L (Lience) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1150139812 Ramorula, O (Oreithlaoletse) 1 0.0 0 0 1 0.0 1156.7 -425.0 731.7 View list
17 2140153037 Potgieter, L (Lienke) 1 0.0 0 0 1 0.0 1192.6 -425.0 767.6 View list
18 1140112260 Pillay, J (Joshua) 1 0.0 0 0 1 0.0 1192.6 -425.0 767.6 View list
19 1140134624 Opperman, N (Naude) 1 0.0 0 0 1 0.0 1210.0 -425.0 785.0 View list
20 1140301239 Nortje, L (Luke) 1 0.0 0 0 1 0.0 1156.7 -425.0 731.7 View list