Player Page

Witbooi, J (Juan)
Dob: 2007/04/23 (U18)
Gender: Male
Chess SA id: 1070106133
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2019/09/17 (1742 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 rating1182.0
Current Weighted rating1182.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1182.0
Current highest rating achieved1207.9
Current floor (min rating allowed)707.9
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)±170.1
Current Raw change used (final)0.0
Projected new Raw rating1182.0
Projected new Weighed rating1087.4
Projected new Weighted performance322.0
Projected new final Raw rating (if new WP > new Raw)1182.0
Projected new highest rating1207.9
Projected new floor707.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1182.0
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 rating1168.4
Current Weighted rating1168.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1168.4
Current highest rating achieved1168.4
Current floor (min rating allowed)668.4
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)±173.5
Current Raw change used (final)0.0
Projected new Raw rating1168.4
Projected new Weighed rating1074.9
Projected new Weighted performance256.7
Projected new final Raw rating (if new WP > new Raw)1168.4
Projected new highest rating1168.4
Projected new floor668.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1168.4
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 rating1213.6
Current Weighted rating1213.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1213.6
Current highest rating achieved1213.6
Current floor (min rating allowed)713.6
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)±162.6
Current Raw change used (final)0.0
Projected new Raw rating1213.6
Projected new Weighed rating1116.5
Projected new Weighted performance114.5
Projected new final Raw rating (if new WP > new Raw)1213.6
Projected new highest rating1213.6
Projected new floor713.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.6
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Bontebok 2019 (U14) 2019/09/17 2019/09/17 Overberg (WOS) Standard 60 0.83 5 5 3.0 1169.7 1149.6 Analysis
2 Overberg School Chess Close Champs 2019 (U13 Boys) 2019/03/08 2019/03/09 Overberg (WOS) Standard 60 0.83 6 5 2.0 1207.9 1200.0 Analysis
1 Strategema Robertson 2018 (U11) 2018/09/08 2018/09/08 Cape Winelands (WCW) Rapid 30 0.60 7 5 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 15 8 0 7 8.0 53.3 28.3 1132.9 1161.2
White 8 5 0 3 5.0 62.5 106.3 1116.3 1222.5
Black 7 3 0 4 3.0 42.9 -60.7 1151.9 1091.2
Standard All 10 5 0 5 5.0 50.0 0.0 1117.9 1117.9
White 6 3 0 3 3.0 50.0 0.0 1103.1 1103.1
Black 4 2 0 2 2.0 50.0 0.0 1140.1 1140.1
Rapid All 5 3 0 2 3.0 60.0 85.0 1162.9 1247.9
White 2 2 0 0 2.0 100.0 425.0 1155.8 1580.8
Black 3 1 0 2 1.0 33.3 -141.7 1167.6 1025.9
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 106091562 Joubert, A (Antonio) 2 2.0 2 0 0 100.0 1188.8 425.0 1613.8 View list
2 106091575 Pekeur, W (Warren) 2 0.0 0 0 2 0.0 1188.8 -425.0 763.8 View list
3 206088946 Fradie, C (Charlize) 1 1.0 1 0 0 100.0 1169.7 425.0 1594.7 View list
4 107088986 Du Toit, M (Marlo) 1 1.0 1 0 0 100.0 1207.9 425.0 1632.9 View list
5 207088935 Dees, J (Jody) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1070118484 Mushongera, T (Tadiwanashe) 1 1.0 1 0 0 100.0 1169.7 425.0 1594.7 View list
7 1080106139 Munzvenga, T (Tafadzwa) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 2070106134 Alexander, C (Chante) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 207078345 Scheepers, M (Mieke) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 108089031 Mouton, J (Jean) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1070105921 Liebenberg, D (Dewald) 1 0.0 0 0 1 0.0 1207.9 -425.0 782.9 View list
12 107078359 Davids, R (Rafael) 1 0.0 0 0 1 0.0 1169.7 -425.0 744.7 View list
13 106080773 Botha, G (George) 1 0.0 0 0 1 0.0 1207.9 -425.0 782.9 View list