Player Page

Van Der Merwe, J (Jason)
Dob: 2004/05/23 (Adult)
Gender: Male
Chess SA id: 1040159579
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2023/08/12 (470 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 rating1211.7
Current Weighted rating1210.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1211.7
Current highest rating achieved1211.7
Current floor (min rating allowed)711.7
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)±163.1
Current Raw change used (final)0.0
Projected new Raw rating1211.7
Projected new Weighed rating1113.7
Projected new Weighted performance351.0
Projected new final Raw rating (if new WP > new Raw)1211.7
Projected new highest rating1211.7
Projected new floor711.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1211.7
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 rating1213.7
Current Weighted rating1212.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1213.7
Current highest rating achieved1213.7
Current floor (min rating allowed)713.7
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 rating1213.7
Projected new Weighed rating1115.3
Projected new Weighted performance351.0
Projected new final Raw rating (if new WP > new Raw)1213.7
Projected new highest rating1213.7
Projected new floor713.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.7
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
1 Gauteng D7 Teams 2023 (U19) 2023/08/12 2023/08/12 Sedibeng (GSV) Standard 60 0.83 5 4 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 4 3 0 1 3.0 75.0 212.5 1042.6 1255.1
White 3 3 0 0 3.0 100.0 425.0 990.1 1415.1
Black 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
Standard All 4 3 0 1 3.0 75.0 212.5 1042.6 1255.1
White 3 3 0 0 3.0 100.0 425.0 990.1 1415.1
Black 1 0 0 1 0.0 0.0 -425.0 1200.0 775.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1060112781 Benade, R (Ryan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 105027920 Nkomo, S (Sibusiso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1050159573 Koebu, N (Nhlanhla) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 105087964 Botha, SB (Stefan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list