Player Page

De Vries, M (Marisa)
Dob: 2005/03/16 (U20)
Gender: Female
Chess SA id: 205006894
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/02/04 (485 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
Curent Raw rating1218.2
Curent Weighted rating1221.2
Curent Weighted performance830.7
Current official/published rating (highest between Raw, WR and WP)1221.2
Current floor (min rating allowed)807.3
Current highest rating achieved1307.3
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)±161.6
Current Raw change used (final)0.0
Projected new Raw rating1218.2
Projected new Weighed rating1220.5
Projected new Weighted performance830.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1220.5
Projected effective change (new Official - current Official)-0.7
Projected new highest rating1307.3
Projected new floor807.3
Projected new K-facor36
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
Curent Raw rating1188.8
Curent Weighted rating1193.0
Curent Weighted performance814.3
Current official/published rating (highest between Raw, WR and WP)1193.0
Current floor (min rating allowed)803.2
Current highest rating achieved1303.2
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)±168.5
Current Raw change used (final)0.0
Projected new Raw rating1188.8
Projected new Weighed rating1192.0
Projected new Weighted performance814.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1192.0
Projected effective change (new Official - current Official)-1.0
Projected new highest rating1303.2
Projected new floor803.2
Projected new K-facor36
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
Curent Raw rating817.5
Curent Weighted rating817.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)817.5
Current floor (min rating allowed)500.0
Current highest rating achieved817.5
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)±286.0
Current Raw change used (final)0.0
Projected new Raw rating817.5
Projected new Weighed rating817.5
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)817.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating817.5
Projected new floor500.0
Projected new K-facor40
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
Curent Raw rating817.5
Curent Weighted rating817.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)817.5
Current floor (min rating allowed)500.0
Current highest rating achieved817.5
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)±286.0
Current Raw change used (final)0.0
Projected new Raw rating817.5
Projected new Weighed rating817.5
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)817.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating817.5
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
25 Grey College Team Championship 2023 (A) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 1.0 1257.0 1242.4 Analysis
24 2023 Tshwane Chess Open Registration Tournament (B2) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1254.3 1237.7 Analysis
23 2022 South African Junior Team Chess Championships (U20 Open+Girls) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 2 1.0 1246.4 1228.3 Analysis
22 Grey College Team Championship 2022 (A) 2022/02/18 2022/02/19 Mangaung (FMB) Standard 60 0.83 5 5 2.0 1289.7 1280.9 Analysis
21 2020 Wynie Robbertse Open Chess Tournament (C) 2020/03/07 2020/03/07 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1307.3 1303.2 Analysis
20 2020 Piet Robbertse (C) 2020/01/31 2020/02/02 Cape Winelands (WCW) Standard 120 1.00 5 5 3.5 1225.8 1221.9 Analysis
19 2020 Registration Tournament (C) 2020/01/25 2020/01/25 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1245.5 1242.6 Analysis
18 2019 South African Top Schools Team Championships (U13+U15 Girls) 2020/01/10 2020/01/11 4 Knights (4K) Standard 90 0.94 5 4 1.5 1245.5 1242.6 Analysis
17 2019 South African Junior Team Championships (U16-U20 Girls) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.0 1245.5 1242.6 Analysis
16 2019 TC SAJCC Prep Tournament (B) 2019/11/30 2019/11/30 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1199.8 1198.5 Analysis
15 2019 Etienne Lewis Trials (U16 Girls) 2019/08/30 2019/09/01 Tshwane (GTP) Standard 120 1.00 7 6 3.0 1188.3 1188.4 Analysis
14 2019 Gauteng School League Finals (U15 Girls) 2019/08/24 2019/08/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1169.5 1165.0 Analysis
13 2019 Capablanca Chess Festival (C) 2019/04/19 2019/04/21 Tshwane (GTP) Standard 90 0.94 7 7 3.5 1168.5 1160.0 Analysis
12 2019 D4 Individual Finals (U15 Girls) 2019/03/09 2019/03/09 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1232.3 1232.7 Analysis
11 2019 Waterkloof Open (C) 2019/03/02 2019/03/03 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1232.3 1232.7 Analysis
10 2019 Tshwane Chess Registration Tournament (C) 2019/01/26 2019/01/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1234.1 1237.0 Analysis
9 South African Junior Team Championships 2018 (U14B Girls) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 6.0 1175.4 1177.4 Analysis
8 2018 Tshwane Inter Region (U16 Girls) 2018/12/01 2018/12/01 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1175.4 1177.4 Analysis
7 2018 Etienne Lewis Trials (U14 Girls) 2018/08/31 2018/09/02 Tshwane (GTP) Standard 120 1.00 7 7 4.0 1149.7 1152.4 Analysis
6 2018 Gauteng League Final (U13 Girls) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 840.0 841.9 Analysis
12
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 133 66 10 57 71.0 53.4 28.8 1112.9 1141.7
White 65 34 3 28 35.5 54.6 39.2 1117.8 1157.0
Black 68 32 7 29 35.5 52.2 18.8 1108.3 1127.0
Standard All 133 66 10 57 71.0 53.4 28.8 1112.9 1141.7
White 65 34 3 28 35.5 54.6 39.2 1117.8 1157.0
Black 68 32 7 29 35.5 52.2 18.8 1108.3 1127.0
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 208078447 Timmerman, ME (Mischke) 4 2.0 1 2 1 50.0 1117.3 0.0 1117.3 View list
2 206059524 Botha, R (Riti) 3 2.5 2 1 0 83.3 1073.7 283.3 1357.0 View list
3 206095322 Behr, S (Stesha) 3 2.0 2 0 1 66.7 1099.4 141.7 1241.0 View list
4 204003257 Bouwer, D (Dane) 3 0.0 0 0 3 0.0 1226.4 -425.0 801.4 View list
5 110088599 Bogaard, FK (Franco) 2 2.0 2 0 0 100.0 961.0 425.0 1386.0 View list
6 1070096808 Jacobs, A (Angelo) 2 2.0 2 0 0 100.0 1019.9 425.0 1444.9 View list
7 204086503 Kololo, L (Lindiwe) 2 2.0 2 0 0 100.0 1210.9 425.0 1635.9 View list
8 205049927 De Souza-Allegria, M (Minette) 2 1.5 1 1 0 75.0 1169.0 212.5 1381.5 View list
9 1090096775 Govender, T (Tristan) 2 1.0 1 0 1 50.0 998.1 0.0 998.1 View list
10 105055229 Bodenstein, J (Jeanre) 2 0.5 0 1 1 25.0 966.3 -212.5 753.8 View list
11 204003853 Buitendag, N (Nanique) 2 0.5 0 1 1 25.0 1200.9 -212.5 988.4 View list
12 205004863 Claassen, G (Gabriella) 2 0.0 0 0 2 0.0 1169.0 -425.0 744.0 View list
13 206050956 Pelser, J (Jean-Marie) 2 0.0 0 0 2 0.0 945.4 -425.0 520.4 View list
14 205031170 Prinsloo, TE (Thiana) 2 0.0 0 0 2 0.0 986.7 -425.0 561.7 View list
15 206032103 Reyneke, M (Melindie) 2 0.0 0 0 2 0.0 981.9 -425.0 556.9 View list
16 1100134211 Buhrs, J (Jethro) 1 1.0 1 0 0 100.0 1254.3 425.0 1679.3 View list
17 1070136968 Bouwer, D (Divan) 1 1.0 1 0 0 100.0 1289.7 425.0 1714.7 View list
18 203086498 Bosch, B (Bernice) 1 1.0 1 0 0 100.0 1175.4 425.0 1600.4 View list
19 205069627 Carew, C (Chloe) 1 1.0 1 0 0 100.0 1175.4 425.0 1600.4 View list
20 205086770 Dvir, J (Jordan) 1 1.0 1 0 0 100.0 1199.8 425.0 1624.8 View list