Player Page

Grobler, J (Joshua)
Dob: 2013/05/15 (U12)
Gender: Male
Chess SA id: 1130134049
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (36 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 rating1259.1
Current Weighted rating1178.7
Current Weighted performance1231.8
Current official/published rating (highest between Raw, WR and WP)1259.1
Current highest rating achieved1259.1
Current floor (min rating allowed)759.1
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)±152.4
Current Raw change used (final)0.0
Projected new Raw rating1259.1
Projected new Weighed rating1085.0
Projected new Weighted performance1231.8
Projected new final Raw rating (if new WP > new Raw)1259.1
Projected new highest rating1259.1
Projected new floor759.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1259.1
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 rating1270.8
Current Weighted rating1172.6
Current Weighted performance1231.8
Current official/published rating (highest between Raw, WR and WP)1270.8
Current highest rating achieved1270.8
Current floor (min rating allowed)770.8
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)±149.9
Current Raw change used (final)0.0
Projected new Raw rating1270.8
Projected new Weighed rating1079.5
Projected new Weighted performance1231.8
Projected new final Raw rating (if new WP > new Raw)1270.8
Projected new highest rating1270.8
Projected new floor770.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1270.8
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 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
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 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1196.7 1196.0 Analysis
1 2024 Constantiapark Open (D2) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1163.8 1154.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1196.7 1196.0 Analysis
7 2024 Constantiapark Open (D2) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1163.8 1154.4 Analysis
6 2023 Tshwane South School District CLOSED League Championship (U11) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1164.8 1154.8 Analysis
5 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1163.5 1152.4 Analysis
4 D4 Play Offs 2022 (U9) 2022/07/30 2022/07/30 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1180.4 1174.0 Analysis
3 CP Ope 2022 (D2) 2022/02/19 2022/02/19 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1187.0 1183.6 Analysis
2 2021 Chris Greyling Open Tournament (E) 2021/05/08 2021/05/08 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1171.1 1163.6 Analysis
1 2021 Blou Bul Tournament (E) 2021/04/10 2021/04/10 Mangaung (FMB) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 7 0 3 7.0 70.0 170.0 1246.5 1416.5
White 4 3 0 1 3.0 75.0 212.5 1237.4 1449.9
Black 6 4 0 2 4.0 66.7 141.7 1252.5 1394.2
Standard All 10 7 0 3 7.0 70.0 170.0 1246.5 1416.5
White 4 3 0 1 3.0 75.0 212.5 1237.4 1449.9
Black 6 4 0 2 4.0 66.7 141.7 1252.5 1394.2
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 40 19 2 19 20.0 50.0 0.0 1216.3 1216.3
White 20 10 1 9 10.5 52.5 21.3 1219.9 1241.1
Black 20 9 1 10 9.5 47.5 -21.3 1212.6 1191.4
Standard All 40 19 2 19 20.0 50.0 0.0 1216.3 1216.3
White 20 10 1 9 10.5 52.5 21.3 1219.9 1241.1
Black 20 9 1 10 9.5 47.5 -21.3 1212.6 1191.4
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1130134043 De Bruin, H (Hanno) 3 2.5 2 1 0 83.3 1186.0 283.3 1469.4 View list
2 1130134041 Botha, L (Logan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2130134040 Botha, L (Lincke) 1 1.0 1 0 0 100.0 1171.1 425.0 1596.1 View list
4 1100134224 Botha, J (Jayden) 1 1.0 1 0 0 100.0 1187.0 425.0 1612.0 View list
5 1130144509 Bolleurs, M (Matthew) 1 1.0 1 0 0 100.0 1196.7 425.0 1621.7 View list
6 2130130100 De Witt, K (Karli) 1 1.0 1 0 0 100.0 1171.1 425.0 1596.1 View list
7 1120112330 De Kock, C (Chris-Jan) 1 1.0 1 0 0 100.0 1164.8 425.0 1589.8 View list
8 1120139981 Kirstein, T (Tinus Ederich) 1 1.0 1 0 0 100.0 1163.5 425.0 1588.5 View list
9 1130304575 Kekana, K (Karabo) 1 1.0 1 0 0 100.0 1196.7 425.0 1621.7 View list
10 2140135766 Mulamattathil, R (Raynah) 1 1.0 1 0 0 100.0 1163.8 425.0 1588.8 View list
11 1120159048 Motsepe, K (Khuvora) 1 1.0 1 0 0 100.0 1164.8 425.0 1589.8 View list
12 1130143052 Netshimboni, J (Junior) 1 1.0 1 0 0 100.0 1180.4 425.0 1605.4 View list
13 1140192167 Premkumar, K (Krish) 1 1.0 1 0 0 100.0 1163.8 425.0 1588.8 View list
14 1120141532 Pretorius, W (Wihan) 1 1.0 1 0 0 100.0 1163.5 425.0 1588.5 View list
15 1140304582 Snyman, Z (Zander) 1 1.0 1 0 0 100.0 1196.7 425.0 1621.7 View list
16 1140159104 Van Der Vyver, M (Marcus) 1 1.0 1 0 0 100.0 1196.7 425.0 1621.7 View list
17 1120137406 Venter, W (Wietzke) 1 1.0 1 0 0 100.0 1187.0 425.0 1612.0 View list
18 1120140148 Vermaak, R (Ruben) 1 1.0 1 0 0 100.0 1163.8 425.0 1588.8 View list
19 1140134245 Van Der Merwe, ZC (Zander Christiaan) 1 0.5 0 1 0 50.0 1180.4 0.0 1180.4 View list
20 2120130097 Padayachy, V (Vidya) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list