Player Page

Van Der Merwe, R (Rian)
Dob: 2015/08/03 (U10)
Gender: Male
Chess SA id: 1150300707
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/07/20 (125 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 rating1152.7
Current Weighted rating1188.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1188.1
Current highest rating achieved1209.8
Current floor (min rating allowed)709.8
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)±177.4
Current Raw change used (final)0.0
Projected new Raw rating1152.7
Projected new Weighed rating1092.6
Projected new Weighted performance810.9
Projected new final Raw rating (if new WP > new Raw)1152.7
Projected new highest rating1209.8
Projected new floor709.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1152.7
Projected effective change (new Official - current Official)-35.4
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 rating1138.3
Current Weighted rating1183.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1183.8
Current highest rating achieved1209.6
Current floor (min rating allowed)709.6
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)±181.1
Current Raw change used (final)0.0
Projected new Raw rating1138.3
Projected new Weighed rating1088.5
Projected new Weighted performance810.9
Projected new final Raw rating (if new WP > new Raw)1138.3
Projected new highest rating1209.6
Projected new floor709.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1138.3
Projected effective change (new Official - current Official)-45.5
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Bojanala's Clash Of Schools 2024 (U11) 2024/07/20 2024/07/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 0.0 1209.8 1209.6 Analysis
2 Bojanala's Rating Express 2024 (Center Pawns) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1208.3 1209.2 Analysis
1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) 2024/03/16 2024/03/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Bojanala's Clash Of Schools 2024 (U11) 2024/07/20 2024/07/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 0.0 1209.8 1209.6 Analysis
2 Bojanala's Rating Express 2024 (Center Pawns) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1208.3 1209.2 Analysis
1 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) 2024/03/16 2024/03/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 5 1 9 5.5 36.7 -113.3 1230.3 1116.9
White 8 2 1 5 2.5 31.3 -159.4 1268.7 1109.3
Black 7 3 0 4 3.0 42.9 -60.7 1186.3 1125.6
Standard All 15 5 1 9 5.5 36.7 -113.3 1230.3 1116.9
White 8 2 1 5 2.5 31.3 -159.4 1268.7 1109.3
Black 7 3 0 4 3.0 42.9 -60.7 1186.3 1125.6
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 5 1 9 5.5 36.7 -113.3 1230.3 1116.9
White 8 2 1 5 2.5 31.3 -159.4 1268.7 1109.3
Black 7 3 0 4 3.0 42.9 -60.7 1186.3 1125.6
Standard All 15 5 1 9 5.5 36.7 -113.3 1230.3 1116.9
White 8 2 1 5 2.5 31.3 -159.4 1268.7 1109.3
Black 7 3 0 4 3.0 42.9 -60.7 1186.3 1125.6
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 2150191451 Sprague, C (Chloe) 2 2.0 2 0 0 100.0 1204.2 425.0 1629.2 View list
2 1160156767 De Jager, L (Luado) 2 0.5 0 1 1 25.0 1204.2 -212.5 991.7 View list
3 1160162283 Rakubutu, P (Pabatso) 2 0.0 0 0 2 0.0 1204.2 -425.0 779.2 View list
4 1160160047 Jonas, M (Minenhle) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
5 1150134514 Deysel, E (Eli) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1170145156 Botha, E (Erasmus Albertus) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1130143710 Terblanche, B (Bernard) 1 0.0 0 0 1 0.0 1209.8 -425.0 784.8 View list
8 1140145151 Talane, K (Kgosietsile Bokamoso) 1 0.0 0 0 1 0.0 1209.8 -425.0 784.8 View list
9 1150152081 Swart, J (Jan-Dirk) 1 0.0 0 0 1 0.0 1208.3 -425.0 783.3 View list
10 2140146460 Mpipi, S (Selabe) 1 0.0 0 0 1 0.0 1209.8 -425.0 784.8 View list
11 2140136769 Monare, O (Oreratile) 1 0.0 0 0 1 0.0 1209.8 -425.0 784.8 View list
12 1130141565 Locherenberg, J (Jason) 1 0.0 0 0 1 0.0 1209.8 -425.0 784.8 View list