Player Page

Jonas, OJ (Olebogeng)
Dob: 1999/09/27 (Adult)
Gender: Male
Chess SA id: 199054844
FIDE id:
Region: Xhariep (FXT)
Citizen: RSA
Title(s):
Last active: 2019/12/06 (1627 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 rating1272.6
Curent Weighted rating1272.6
Curent Weighted performance391.4
Current official/published rating (highest between Raw, WR and WP)1272.6
Current floor (min rating allowed)772.6
Current highest rating achieved1272.6
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)±149.5
Current Raw change used (final)0.0
Projected new Raw rating1272.6
Projected new Weighed rating1272.6
Projected new Weighted performance391.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1272.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1272.6
Projected new floor772.6
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 rating1275.8
Curent Weighted rating1275.8
Curent Weighted performance391.3
Current official/published rating (highest between Raw, WR and WP)1275.8
Current floor (min rating allowed)775.8
Current highest rating achieved1275.8
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)±148.8
Current Raw change used (final)0.0
Projected new Raw rating1275.8
Projected new Weighed rating1275.8
Projected new Weighted performance391.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1275.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1275.8
Projected new floor775.8
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 rating1233.0
Curent Weighted rating1233.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1233.0
Current floor (min rating allowed)733.0
Current highest rating achieved1233.0
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)±158.2
Current Raw change used (final)0.0
Projected new Raw rating1233.0
Projected new Weighed rating1233.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1233.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1233.0
Projected new floor733.0
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 rating1233.0
Curent Weighted rating1233.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1233.0
Current floor (min rating allowed)733.0
Current highest rating achieved1233.0
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)±158.2
Current Raw change used (final)0.0
Projected new Raw rating1233.0
Projected new Weighed rating1233.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1233.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1233.0
Projected new floor733.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 2019 USSA Championships (Open) 2019/12/02 2019/12/06 Sarah Baartman (ESB) Standard 90 0.94 9 9 4.0 1235.4 1239.8 Analysis
4 Kimberley Chess Club Open FIDE Tournament 2018 2018/04/06 2018/04/07 Frances Baard (NCF) Standard 90 0.94 5 5 3.0 1238.1 1242.3 Analysis
3 Moja Chess Club Open Tournament 2018 (A) 2018/03/02 2018/03/04 Frances Baard (NCF) Standard 90 0.94 6 6 4.0 1189.4 1189.4 Analysis
2 South African Inter Regional Championships 2017 2018/01/09 2018/01/12 4 Knights (4K) Standard 120 1.00 7 7 2.0 1233.0 1233.0 Analysis
1 South African Junior Team Championships 2017 (U20B) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.5 1233.0 1233.0 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 34 15 1 18 15.5 45.6 -37.5 1314.3 1276.8
White 18 6 1 11 6.5 36.1 -118.1 1306.4 1188.4
Black 16 9 0 7 9.0 56.3 53.1 1323.1 1376.2
Standard All 34 15 1 18 15.5 45.6 -37.5 1314.3 1276.8
White 18 6 1 11 6.5 36.1 -118.1 1306.4 1188.4
Black 16 9 0 7 9.0 56.3 53.1 1323.1 1376.2
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 175052244 Hattingh, GN (Gerhardus) 1 1.0 1 0 0 100.0 1233.0 425.0 1658.0 View list
2 200007735 Du Plessis, AC (Anika) 1 1.0 1 0 0 100.0 1233.0 425.0 1658.0 View list
3 197095828 Dickinson, TA (Timothy) 1 1.0 1 0 0 100.0 1233.0 425.0 1658.0 View list
4 107050311 Daniels, O (Owethu) 1 1.0 1 0 0 100.0 1238.1 425.0 1663.1 View list
5 199054847 Louw, IL (Isaac) 1 1.0 1 0 0 100.0 1189.4 425.0 1614.4 View list
6 1010119867 Mamorare, O (Olefile) 1 1.0 1 0 0 100.0 1235.4 425.0 1660.4 View list
7 186052848 Mupazviriwo, RF (Robert F) 1 1.0 1 0 0 100.0 1235.4 425.0 1660.4 View list
8 198084828 Moshweu, T (Thuto) 1 1.0 1 0 0 100.0 1189.4 425.0 1614.4 View list
9 190066198 Moroke, G (Gavin) 1 1.0 1 0 0 100.0 1189.4 425.0 1614.4 View list
10 101024593 Moloto, N (Nnani) 1 1.0 1 0 0 100.0 1233.0 425.0 1658.0 View list
11 202024514 Moller, N (Nicole) 1 1.0 1 0 0 100.0 1238.1 425.0 1663.1 View list
12 197069824 Mlungu, K (Khaka) 1 1.0 1 0 0 100.0 1235.4 425.0 1660.4 View list
13 188026859 Ndabambi, ME (Mpo) 1 1.0 1 0 0 100.0 1189.4 425.0 1614.4 View list
14 198059866 Phakathi, M (Lunga) 1 1.0 1 0 0 100.0 1235.4 425.0 1660.4 View list
15 183066210 Vorster, N (Norman) 1 1.0 1 0 0 100.0 1238.1 425.0 1663.1 View list
16 198065504 Jaars, T (Thomas) 1 0.5 0 1 0 50.0 1233.0 0.0 1233.0 View list
17 100054558 Mathebe, K (Koketso) 1 0.0 0 0 1 0.0 1235.4 -425.0 810.4 View list
18 198023513 Mnisi, T (Trevor) 1 0.0 0 0 1 0.0 1233.0 -425.0 808.0 View list
19 100073082 Makatees, I (Innocent) 1 0.0 0 0 1 0.0 1238.1 -425.0 813.1 View list
20 198088857 Madlala, S (Sqobile) 1 0.0 0 0 1 0.0 1235.4 -425.0 810.4 View list