Player Page

Grobbelaar, M (Marlo)
Dob: 2016/01/07 (U10)
Gender: Male
Chess SA id: 1160159271
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/09/14 (27 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 rating1130.6
Current Weighted rating1205.8
Current Weighted performance1025.3
Current official/published rating (highest between Raw, WR and WP)1205.8
Current highest rating achieved1239.6
Current floor (min rating allowed)739.6
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)±183.0
Current Raw change used (final)0.0
Projected new Raw rating1130.6
Projected new Weighed rating1109.3
Projected new Weighted performance1025.3
Projected new final Raw rating (if new WP > new Raw)1130.6
Projected new highest rating1239.6
Projected new floor739.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1130.6
Projected effective change (new Official - current Official)-75.2
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 rating1113.9
Current Weighted rating1208.8
Current Weighted performance993.7
Current official/published rating (highest between Raw, WR and WP)1208.8
Current highest rating achieved1248.2
Current floor (min rating allowed)748.2
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)±187.5
Current Raw change used (final)0.0
Projected new Raw rating1113.9
Projected new Weighed rating1112.1
Projected new Weighted performance993.7
Projected new final Raw rating (if new WP > new Raw)1113.9
Projected new highest rating1248.2
Projected new floor748.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1113.9
Projected effective change (new Official - current Official)-94.9
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 rating1205.4
Current Weighted rating1208.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1208.3
Current highest rating achieved1216.9
Current floor (min rating allowed)716.9
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)±164.5
Current Raw change used (final)0.0
Projected new Raw rating1205.4
Projected new Weighed rating1111.9
Projected new Weighted performance1063.3
Projected new final Raw rating (if new WP > new Raw)1205.4
Projected new highest rating1216.9
Projected new floor716.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1205.4
Projected effective change (new Official - current Official)-2.9
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 Kingsway Chess Open 2024 (U8) 2024/09/14 2024/09/14 Overberg (WOS) Rapid 20 0.47 6 5 2.0 1187.9 1216.9 Analysis
6 Western Cape Top Schools Championship 2024 (U9 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 5 0.0 1187.9 1183.0 Analysis
5 Overberg Schools - Top Schools 2024 (U7+U9 Mixed) 2024/07/27 2024/07/27 Overberg (WOS) Standard 60 0.83 5 5 2.0 1210.3 1211.1 Analysis
4 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 5 1.0 1239.6 1248.2 Analysis
3 Overberg Schools - PS Closed 2024 (U9 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 3.0 1218.3 1233.1 Analysis
2 Overberg Schools - PS Trials Region 3 2024 (U9 Boys) 2024/03/02 2024/03/02 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1218.3 1200.0 Analysis
1 Overberg Open Rapid 2024 (U7+U9) 2024/01/27 2024/01/27 Overberg (WOS) Rapid 20 0.47 5 5 2.0 1222.5 1205.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 Kingsway Chess Open 2024 (U8) 2024/09/14 2024/09/14 Overberg (WOS) Rapid 20 0.47 6 5 2.0 1187.9 1216.9 Analysis
9 Western Cape Top Schools Championship 2024 (U9 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 5 0.0 1187.9 1183.0 Analysis
8 Overberg Schools - Top Schools 2024 (U7+U9 Mixed) 2024/07/27 2024/07/27 Overberg (WOS) Standard 60 0.83 5 5 2.0 1210.3 1211.1 Analysis
7 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 5 1.0 1239.6 1248.2 Analysis
6 Overberg Schools - PS Closed 2024 (U9 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 3.0 1218.3 1233.1 Analysis
5 Overberg Schools - PS Trials Region 3 2024 (U9 Boys) 2024/03/02 2024/03/02 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1218.3 1200.0 Analysis
4 Overberg Open Rapid 2024 (U7+U9) 2024/01/27 2024/01/27 Overberg (WOS) Rapid 20 0.47 5 5 2.0 1222.5 1205.4 Analysis
3 Kingsway Open 2023 (U8) 2023/10/28 2023/10/28 Overberg (WOS) Rapid 20 0.47 5 5 2.5 1223.3 1200.0 Analysis
2 Western Cape Top Schools 2023 (U7 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 5 2 2.0 1198.8 1200.0 Analysis
1 Overberg Top Schools 2023 (U7+U9) 2023/08/05 2023/08/05 Overberg (WOS) Standard 60 0.83 5 5 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 35 13 0 22 13.0 37.1 -109.3 1244.0 1134.7
White 16 6 0 10 6.0 37.5 -106.3 1239.6 1133.4
Black 19 7 0 12 7.0 36.8 -111.8 1247.6 1135.8
Standard All 20 6 0 14 6.0 30.0 -170.0 1245.8 1075.8
White 9 3 0 6 3.0 33.3 -141.7 1233.5 1091.8
Black 11 3 0 8 3.0 27.3 -193.2 1255.8 1062.7
Rapid All 15 7 0 8 7.0 46.7 -28.3 1241.6 1213.2
White 7 3 0 4 3.0 42.9 -60.7 1247.5 1186.8
Black 8 4 0 4 4.0 50.0 0.0 1236.4 1236.4
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 47 18 4 25 20.0 42.6 -63.3 1230.4 1167.1
White 22 10 1 11 10.5 47.7 -19.3 1222.7 1203.4
Black 25 8 3 14 9.5 38.0 -102.0 1237.2 1135.2
Standard All 27 9 3 15 10.5 38.9 -94.4 1228.2 1133.7
White 13 5 1 7 5.5 42.3 -65.4 1216.6 1151.2
Black 14 4 2 8 5.0 35.7 -121.4 1238.9 1117.5
Rapid All 20 9 1 10 9.5 47.5 -21.3 1233.4 1212.2
White 9 5 0 4 5.0 55.6 47.2 1231.5 1278.7
Black 11 4 1 6 4.5 40.9 -77.3 1235.1 1157.8
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 1160152344 Faasen, C (Charles) 4 2.0 1 2 1 50.0 1208.4 0.0 1208.4 View list
2 1160159275 Kuhn, D (Dian) 3 1.0 1 0 2 33.3 1206.9 -141.7 1065.2 View list
3 1160152343 Du Preez, J (Janco) 2 2.0 2 0 0 100.0 1220.8 425.0 1645.8 View list
4 1160300091 Grieb, N (Nathan) 2 1.0 1 0 1 50.0 1228.9 0.0 1228.9 View list
5 1150152348 Du Plessis, E (Eben) 2 0.0 0 0 2 0.0 1199.1 -425.0 774.1 View list
6 1150300090 Coetzee, M (Milan) 1 1.0 1 0 0 100.0 1218.3 425.0 1643.3 View list
7 1150150061 Buhr, W (Wilhelm) 1 1.0 1 0 0 100.0 1218.3 425.0 1643.3 View list
8 2160300104 Barnard, L (Leanke) 1 1.0 1 0 0 100.0 1210.3 425.0 1635.3 View list
9 1160151357 Adshade, J (Josua Daniel) 1 1.0 1 0 0 100.0 1210.3 425.0 1635.3 View list
10 1170191692 Henning, A (Alex) 1 1.0 1 0 0 100.0 1222.5 425.0 1647.5 View list
11 1160161827 Heasman, J (Jd) 1 1.0 1 0 0 100.0 1198.8 425.0 1623.8 View list
12 2160157861 Kotze, M (Mirah) 1 1.0 1 0 0 100.0 1198.8 425.0 1623.8 View list
13 2110159243 Monroe, C (Chloe) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1150300095 Myburgh, J (Joshua) 1 1.0 1 0 0 100.0 1218.3 425.0 1643.3 View list
15 1150300098 Oosthuizen, D (Daniel) 1 1.0 1 0 0 100.0 1218.3 425.0 1643.3 View list
16 1150150067 Otto, X (Xavier) 1 1.0 1 0 0 100.0 1218.3 425.0 1643.3 View list
17 2160311147 Sikolo, S (Sithandiwe) 1 1.0 1 0 0 100.0 1187.9 425.0 1612.9 View list
18 1150151365 Stodart, D (Daniël) 1 1.0 1 0 0 100.0 1223.3 425.0 1648.3 View list
19 2140159276 Le Roux, C (Carmen) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
20 1140145280 Nel, C (Caleb) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list