Player Page

Van Der Merwe, J (Johannes)
Dob: 2002/01/07 (Adult)
Gender: Male
Chess SA id: 1020162661
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/10/14 (256 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 rating1104.7
Current Weighted rating1140.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1140.2
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)±189.9
Current Raw change used (final)0.0
Projected new Raw rating1104.7
Projected new Weighed rating1047.2
Projected new Weighted performance411.8
Projected new final Raw rating (if new WP > new Raw)1104.7
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)1104.7
Projected effective change (new Official - current Official)-35.5
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 rating1140.6
Current Weighted rating1164.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1164.4
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)±180.5
Current Raw change used (final)0.0
Projected new Raw rating1140.6
Projected new Weighed rating1070.1
Projected new Weighted performance229.8
Projected new final Raw rating (if new WP > new Raw)1140.6
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)1140.6
Projected effective change (new Official - current Official)-23.8
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 rating1086.6
Current Weighted rating1126.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1126.3
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)±194.9
Current Raw change used (final)0.0
Projected new Raw rating1086.6
Projected new Weighed rating1034.1
Projected new Weighted performance239.4
Projected new final Raw rating (if new WP > new Raw)1086.6
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)1086.6
Projected effective change (new Official - current Official)-39.7
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
2 NWU Vaal Open 2023 (A) 2023/10/14 2023/10/14 Sedibeng (GSV) Standard 61 0.83 5 3 0.0 1147.1 1200.0 Analysis
1 Wits University 100 Chess Tournament 2023 2023/09/30 2023/09/30 Johannesburg Metro (GJM) Rapid 30 0.60 5 5 0.0 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 8 0 0 8 0.0 0.0 -425.0 1203.1 778.1
White 5 0 0 5 0.0 0.0 -425.0 1190.5 765.5
Black 3 0 0 3 0.0 0.0 -425.0 1224.1 799.1
Standard All 3 0 0 3 0.0 0.0 -425.0 1180.7 755.7
White 2 0 0 2 0.0 0.0 -425.0 1151.0 726.0
Black 1 0 0 1 0.0 0.0 -425.0 1239.9 814.9
Rapid All 5 0 0 5 0.0 0.0 -425.0 1216.5 791.5
White 3 0 0 3 0.0 0.0 -425.0 1216.7 791.7
Black 2 0 0 2 0.0 0.0 -425.0 1216.2 791.2
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 204054376 Sithole, J (Jabulile) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
2 2990162660 Shongwe, L (Lusanda) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
3 101083223 Mooki, R (Remofilwe) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
4 2990148126 Moje, L (Lethabo) 1 0.0 0 0 1 0.0 1147.1 -425.0 722.1 View list
5 1980147199 Mkhuma, S (Smangaliso Mbekezeli) 1 0.0 0 0 1 0.0 1147.1 -425.0 722.1 View list
6 1030151833 Loeto, M (Mogale) 1 0.0 0 0 1 0.0 1147.1 -425.0 722.1 View list
7 2040114902 Lambiso, ME (Matlakala) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 199080918 Gaetsosiwe, B (Bokamoso) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list