Player Page

Van Der Merwe, M (Maryna)
Dob: 2007/12/20 (U18)
Gender: Female
Chess SA id: 2070111866
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2019/05/04 (1871 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 rating1073.8
Current Weighted rating1073.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1073.8
Current highest rating achieved1142.2
Current floor (min rating allowed)642.2
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)±198.5
Current Raw change used (final)0.0
Projected new Raw rating1073.8
Projected new Weighed rating987.9
Projected new Weighted performance159.6
Projected new final Raw rating (if new WP > new Raw)1073.8
Projected new highest rating1142.2
Projected new floor642.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1073.8
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 rating1048.4
Current Weighted rating1048.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1048.4
Current highest rating achieved1130.0
Current floor (min rating allowed)630.0
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)±205.8
Current Raw change used (final)0.0
Projected new Raw rating1048.4
Projected new Weighed rating964.5
Projected new Weighted performance159.6
Projected new final Raw rating (if new WP > new Raw)1048.4
Projected new highest rating1130.0
Projected new floor630.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1048.4
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 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
2 D7 Individuals 2019 (U13 Girls) 2019/05/04 2019/05/04 Sedibeng (GSV) Standard 60 0.83 5 4 0.0 1142.2 1130.0 Analysis
1 Dirk de Koster Chess Open 2019 (D) 2019/04/13 2019/04/13 Sedibeng (GSV) Standard 61 0.83 5 4 1.0 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 1 0 7 1.0 12.5 -318.8 1071.7 752.9
White 4 1 0 3 1.0 25.0 -212.5 1037.4 824.9
Black 4 0 0 4 0.0 0.0 -425.0 1106.0 681.0
Standard All 8 1 0 7 1.0 12.5 -318.8 1071.7 752.9
White 4 1 0 3 1.0 25.0 -212.5 1037.4 824.9
Black 4 0 0 4 0.0 0.0 -425.0 1106.0 681.0
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 2070108498 Janse Van Rensburg, L (Lene) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 2070100388 Swart, C (Clarise) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
3 2060113621 Reynhardt, T (Trista) 1 0.0 0 0 1 0.0 1142.2 -425.0 717.2 View list
4 2070097383 Ntema, M (Masetjhaba) 1 0.0 0 0 1 0.0 1142.2 -425.0 717.2 View list
5 107053300 Kriel, Z (Zander) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
6 207064050 Hansen, M (Mia) 1 0.0 0 0 1 0.0 1142.2 -425.0 717.2 View list
7 1090111864 Groenewaldt, J (Joshua) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 207089251 Fourie, K (Kira) 1 0.0 0 0 1 0.0 1142.2 -425.0 717.2 View list