Player Page

Grobler, J (Janko)
Dob: 2005/08/08 (U20)
Gender: Male
Chess SA id: 1050108859
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2022/03/13 (796 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 rating1258.2
Curent Weighted rating1258.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1258.2
Current floor (min rating allowed)758.2
Current highest rating achieved1258.2
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)±152.6
Current Raw change used (final)0.0
Projected new Raw rating1258.2
Projected new Weighed rating1258.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1258.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1258.2
Projected new floor758.2
Projected new K-facor36
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 rating1187.6
Curent Weighted rating1187.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1187.6
Current floor (min rating allowed)687.6
Current highest rating achieved1187.6
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)±168.8
Current Raw change used (final)0.0
Projected new Raw rating1187.6
Projected new Weighed rating1187.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1187.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1187.6
Projected new floor687.6
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 rating1231.6
Curent Weighted rating1231.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1231.6
Current floor (min rating allowed)731.6
Current highest rating achieved1231.6
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)±158.5
Current Raw change used (final)0.0
Projected new Raw rating1231.6
Projected new Weighed rating1231.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1231.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1231.6
Projected new floor731.6
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)731.6
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor731.6
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 2022 East Dist Individuals (U18) 2022/03/13 2022/03/13 Cape Town (WCT) Rapid 45 0.74 6 5 4.0 1190.7 1200.0 Analysis
1 2019 Metro-East District Schools Trials (U15) 2019/02/01 2019/02/02 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1200.0 1200.0 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 11 7 0 4 7.0 63.6 115.9 1237.2 1353.1
White 6 5 0 1 5.0 83.3 283.3 1280.1 1563.4
Black 5 2 0 3 2.0 40.0 -85.0 1185.7 1100.7
Standard All 6 3 0 3 3.0 50.0 0.0 1158.3 1158.3
White 3 2 0 1 2.0 66.7 141.7 1204.4 1346.0
Black 3 1 0 2 1.0 33.3 -141.7 1112.1 970.5
Rapid All 5 4 0 1 4.0 80.0 255.0 1331.9 1586.9
White 3 3 0 0 3.0 100.0 425.0 1355.8 1780.8
Black 2 1 0 1 1.0 50.0 0.0 1296.0 1296.0
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 1040138907 Aliva, K (Kuhlenathi) 1 1.0 1 0 0 100.0 1190.7 425.0 1615.7 View list
2 2050108846 Rhode, C (Claudia) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 106092064 Msebi, S (Simamkele) 1 1.0 1 0 0 100.0 1190.7 425.0 1615.7 View list
4 1040108873 Mbewuleni, S (Sihle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1050103555 Matyobeni, M (Mbongeni) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 2060138923 Jacobs, C (Caitlin) 1 1.0 1 0 0 100.0 1190.7 425.0 1615.7 View list
7 2060108811 Van Niekerk, L (Lizelle) 1 1.0 1 0 0 100.0 1190.7 425.0 1615.7 View list
8 104076823 Swartz, D (David) 1 0.0 0 0 1 0.0 1190.7 -425.0 765.7 View list
9 104073101 De Kock, C (Cian) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1040098619 Mandyoli, L (Lisakhanya) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 104082184 Kleynhans, T (Teon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list