Player Page

Roothman, M (Marrit)
Dob: 2006/04/27 (U20)
Gender: Female
Chess SA id: 206046690
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (146 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 rating1166.5
Current Weighted rating924.0
Current Weighted performance1158.3
Current official/published rating (highest between Raw, WR and WP)1166.5
Current highest rating achieved1166.5
Current floor (min rating allowed)666.5
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)±173.9
Current Raw change used (final)0.0
Projected new Raw rating1166.5
Projected new Weighed rating859.2
Projected new Weighted performance1158.3
Projected new final Raw rating (if new WP > new Raw)1166.5
Projected new highest rating1166.5
Projected new floor666.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1166.5
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 rating751.6
Current Weighted rating699.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)751.6
Current highest rating achieved751.6
Current floor (min rating allowed)251.6
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)±314.1
Current Raw change used (final)0.0
Projected new Raw rating751.6
Projected new Weighed rating647.1
Projected new Weighted performance711.8
Projected new final Raw rating (if new WP > new Raw)751.6
Projected new highest rating751.6
Projected new floor251.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)751.6
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 rating913.2
Current Weighted rating734.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)913.2
Current highest rating achieved913.2
Current floor (min rating allowed)413.2
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)±249.5
Current Raw change used (final)0.0
Projected new Raw rating913.2
Projected new Weighed rating681.1
Projected new Weighted performance1105.1
Projected new final Raw rating (if new WP > new Raw)1105.1
Projected new highest rating1105.1
Projected new floor605.1
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1105.1
Projected effective change (new Official - current Official)+191.9
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 rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
Current floor (min rating allowed)500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Bo-Weskus Skole Skaak Top Skole 2024 (O18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1084.0 764.8 Analysis
3 Western Cape HS Individuals Championship 2024 (U18 Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 5 1.5 1029.0 692.4 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U18+U20 Girls) 2024/02/24 2024/02/24 West Coast (WCU) Rapid 30 0.60 5 5 3.0 710.3 578.4 Analysis
1 Bo-Weskus Skole Prestige 2024 (HS Dogters) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 2.0 710.3 578.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Bo-Weskus Skole Skaak Top Skole 2024 (O18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1084.0 764.8 Analysis
8 Western Cape HS Individuals Championship 2024 (U18 Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 5 1.5 1029.0 692.4 Analysis
7 West Coast Schools Chess Prestige Championships 2024 (U18+U20 Girls) 2024/02/24 2024/02/24 West Coast (WCU) Rapid 30 0.60 5 5 3.0 710.3 578.4 Analysis
6 Bo-Weskus Skole Prestige 2024 (HS Dogters) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 2.0 710.3 578.4 Analysis
5 Western Cape Top Schools 2023 (U18 Girls) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 3.0 613.4 575.2 Analysis
4 Upper West Coast Top Schools Championship 2023 (High School) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 5 0.0 613.9 579.2 Analysis
3 Bo-Weskus Skole Prestige 2020 (O15+O18 Dogters) 2020/02/15 2020/02/15 West Coast (WCU) Standard 60 0.83 6 6 2.0 553.5 500.0 Analysis
2 Bo-Weskus Skole Skaak Prestige 2019 (O13 Dogters) 2019/02/16 2019/02/16 West Coast (WCU) Rapid 30 0.60 7 3 2.0 506.0 500.0 Analysis
1 Western Cape Top Schools 2018 (U13 Girls) 2018/08/25 2018/08/26 Overberg (WOS) Standard 60 0.83 5 4 1.0 500.0 500.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 10 1 9 10.5 52.5 21.3 1257.6 1278.9
White 10 5 1 4 5.5 55.0 42.5 1264.2 1306.7
Black 10 5 0 5 5.0 50.0 0.0 1251.0 1251.0
Standard All 5 1 1 3 1.5 30.0 -170.0 1265.1 1095.1
White 2 0 1 1 0.5 25.0 -212.5 1367.6 1155.1
Black 3 1 0 2 1.0 33.3 -141.7 1196.7 1055.1
Rapid All 15 9 0 6 9.0 60.0 85.0 1255.1 1340.1
White 8 5 0 3 5.0 62.5 106.3 1238.4 1344.6
Black 7 4 0 3 4.0 57.1 60.7 1274.2 1334.9
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 44 18 1 25 18.5 42.0 -67.6 1176.3 1108.7
White 22 9 1 12 9.5 43.2 -58.0 1220.2 1162.2
Black 22 9 0 13 9.0 40.9 -77.3 1132.4 1055.2
Standard All 21 7 1 13 7.5 35.7 -121.4 1112.2 990.8
White 10 3 1 6 3.5 35.0 -127.5 1208.4 1080.9
Black 11 4 0 7 4.0 36.4 -115.9 1024.8 908.8
Rapid All 23 11 0 12 11.0 47.8 -18.5 1234.8 1216.4
White 12 6 0 6 6.0 50.0 0.0 1230.0 1230.0
Black 11 5 0 6 5.0 45.5 -38.6 1240.1 1201.5
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 208078559 Van Zyl, M (Mea) 2 0.0 0 0 2 0.0 710.3 -425.0 285.3 View list
2 2060151323 Brink, A (Anika) 1 1.0 1 0 0 100.0 613.4 425.0 1038.4 View list
3 2100153182 Cloete, T (Tashlynn) 1 1.0 1 0 0 100.0 710.3 425.0 1135.3 View list
4 207080800 Diergaardt, L (Lee-Heine) 1 1.0 1 0 0 100.0 710.3 425.0 1135.3 View list
5 1070138361 Diedericks, T (Teswell) 1 1.0 1 0 0 100.0 1084.0 425.0 1509.0 View list
6 2060099683 Landu, A (Asive) 1 1.0 1 0 0 100.0 553.5 425.0 978.5 View list
7 109078590 Koegelenberg, L (Louw) 1 1.0 1 0 0 100.0 1084.0 425.0 1509.0 View list
8 206077294 Galant, R (Rozaan) 1 1.0 1 0 0 100.0 710.3 425.0 1135.3 View list
9 2050131890 Paulse, R (Ranelle) 1 1.0 1 0 0 100.0 553.5 425.0 978.5 View list
10 2070146745 Phillips, Z (Zara-Leigh) 1 1.0 1 0 0 100.0 613.4 425.0 1038.4 View list
11 2070110436 Skippers, J (Janique) 1 1.0 1 0 0 100.0 506.0 425.0 931.0 View list
12 1100148172 Swarts, F (Faqir) 1 1.0 1 0 0 100.0 1084.0 425.0 1509.0 View list
13 2060159264 Van Der Westhuizen, S (Shandre) 1 1.0 1 0 0 100.0 1029.0 425.0 1454.0 View list
14 2080138107 Van Eden, I (Isabella) 1 1.0 1 0 0 100.0 613.4 425.0 1038.4 View list
15 2060110454 Van Rhyn, J (J`mia) 1 1.0 1 0 0 100.0 506.0 425.0 931.0 View list
16 210090541 Van Staden, L (Laurenzia) 1 1.0 1 0 0 100.0 710.3 425.0 1135.3 View list
17 206078128 Van Wyk, J (Jomanique) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
18 2080110388 Van Wyk, S (Sharita) 1 1.0 1 0 0 100.0 1084.0 425.0 1509.0 View list
19 2080192522 Van Zyl, A (Ane) 1 1.0 1 0 0 100.0 710.3 425.0 1135.3 View list
20 2070104260 Grobbelaar, C (Chanelle) 1 0.5 0 1 0 50.0 1029.0 0.0 1029.0 View list