Player Page

Coetzee, M (Merikus)
Dob: 2012/07/17 (U14)
Gender: Male
Chess SA id: 1120131217
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (8 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 rating1179.2
Curent Weighted rating1166.7
Curent Weighted performance1012.0
Current official/published rating (highest between Raw, WR and WP)1179.2
Current floor (min rating allowed)679.2
Current highest rating achieved1179.2
Current K-factor40
Games played this month5
Score (S)3.0
Expected score (We)1.81
Difference (S-We)1.19
Current Raw change (no limits, including tournament time weight)39.5
Current min/max change allowed (with limits)±170.8
Current Raw change used (final)39.5
Projected new Raw rating1218.7
Projected new Weighed rating1172.1
Projected new Weighted performance1012.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1218.7
Projected effective change (new Official - current Official)+39.5
Projected new highest rating1218.7
Projected new floor718.7
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 rating1143.2
Curent Weighted rating1121.5
Curent Weighted performance929.6
Current official/published rating (highest between Raw, WR and WP)1143.2
Current floor (min rating allowed)647.2
Current highest rating achieved1147.2
Current K-factor40
Games played this month5
Score (S)3.0
Expected score (We)1.61
Difference (S-We)1.39
Current Raw change (no limits, including tournament time weight)55.6
Current min/max change allowed (with limits)±179.8
Current Raw change used (final)55.6
Projected new Raw rating1198.8
Projected new Weighed rating1129.9
Projected new Weighted performance929.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1198.8
Projected effective change (new Official - current Official)+55.6
Projected new highest rating1198.8
Projected new floor698.8
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 rating1223.6
Curent Weighted rating1223.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1223.6
Current floor (min rating allowed)723.6
Current highest rating achieved1223.6
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)±160.3
Current Raw change used (final)0.0
Projected new Raw rating1223.6
Projected new Weighed rating1223.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1223.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1223.6
Projected new floor723.6
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)723.6
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor723.6
Projected new K-facor36
Tournaments
Tournament: 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
Start: 2024/05/11  End: 2024/05/11  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1179.2  Rating gain/loss: 39.5
Type rating: 1143.2  Rating gain/loss: 55.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1179.2 1143.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1179.2 1143.2 Analysis
10 2023 Milos Ristic Open Tournament (D2) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1111.1 1024.8 Analysis
9 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1111.1 1024.8 Analysis
8 RMS Swiss For Rating of Players 2022 (U11) 2022/05/28 2022/05/28 Ekurhuleni (GE) Rapid 30 0.60 7 6 4.0 1066.0 1179.6 Analysis
7 D4 Individuals 2022 (U11 Open) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 7 3.0 1039.4 1200.0 Analysis
6 2022 Gauteng Interregion (U12 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1052.0 1037.6 Analysis
5 2021 Etienne Lewis Closed Trials (U10 Open) 2021/09/24 2021/09/26 Nelson Mandela Bay (ENM) Standard 90 0.94 7 6 1.0 1077.9 1062.0 Analysis
4 2021 Gauteng North Open Tournament (E) 2021/08/28 2021/08/29 Tshwane (GTP) Standard 90 0.94 5 4 1.0 1108.0 1088.0 Analysis
3 2021 Alekhine Open (E) 2021/08/14 2021/08/15 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1108.0 1088.0 Analysis
2 2021 Chris Greyling Open Tournament (E) 2021/05/08 2021/05/08 Tshwane (GTP) Standard 60 0.83 5 4 0.5 1157.8 1147.2 Analysis
1 2020 Blou Bul (E) 2020/02/15 2020/02/15 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1291.7 1376.7
White 2 2 0 0 2.0 100.0 425.0 1147.7 1572.7
Black 3 1 0 2 1.0 33.3 -141.7 1387.6 1246.0
Standard All 5 3 0 2 3.0 60.0 85.0 1291.7 1376.7
White 2 2 0 0 2.0 100.0 425.0 1147.7 1572.7
Black 3 1 0 2 1.0 33.3 -141.7 1387.6 1246.0
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 56 22 2 32 23.0 41.1 -75.9 1205.7 1129.8
White 26 10 0 16 10.0 38.5 -98.1 1187.4 1089.3
Black 30 12 2 16 13.0 43.3 -56.7 1221.6 1164.9
Standard All 43 15 2 26 16.0 37.2 -108.7 1203.2 1094.5
White 20 7 0 13 7.0 35.0 -127.5 1181.6 1054.1
Black 23 8 2 13 9.0 39.1 -92.4 1222.0 1129.6
Rapid All 13 7 0 6 7.0 53.8 32.7 1213.9 1246.6
White 6 3 0 3 3.0 50.0 0.0 1206.6 1206.6
Black 7 4 0 3 4.0 57.1 60.7 1220.2 1280.9
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120133903 Buchner, E (Emil) 4 1.0 1 0 3 25.0 1126.6 -212.5 914.1 View list
2 2120134048 Erwee, E (Elizabeth) 2 2.0 2 0 0 100.0 1109.5 425.0 1534.5 View list
3 1120134632 Eksteen, THA (Theunis Hermanus Andrich) 2 2.0 2 0 0 100.0 1108.0 425.0 1533.0 View list
4 1130134043 De Bruin, H (Hanno) 2 1.0 1 0 1 50.0 1134.4 0.0 1134.4 View list
5 1120134689 Naidoo, P (Prium) 2 1.0 1 0 1 50.0 1073.7 0.0 1073.7 View list
6 1110108346 Mcphail, M (Matthew) 2 0.0 0 0 2 0.0 1045.7 -425.0 620.7 View list
7 1120304592 Carey, O (Oliver) 1 1.0 1 0 0 100.0 1179.2 425.0 1604.2 View list
8 1100154132 Asante, P (Prince) 1 1.0 1 0 0 100.0 1111.1 425.0 1536.1 View list
9 1120131216 Botha, J (Jaylin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 2110139503 Engelbrecht, J (Jana) 1 1.0 1 0 0 100.0 1066.0 425.0 1491.0 View list
11 2140143071 Haupt, A (Abigail) 1 1.0 1 0 0 100.0 1111.1 425.0 1536.1 View list
12 2130135894 Mabuza, N (Nondumiso) 1 1.0 1 0 0 100.0 1052.0 425.0 1477.0 View list
13 1130119626 Ndebele, AT (Akhumzi Thandolwenkosi) 1 1.0 1 0 0 100.0 1077.9 425.0 1502.9 View list
14 1120130251 Niebuhr, R (Rohan) 1 1.0 1 0 0 100.0 1066.0 425.0 1491.0 View list
15 1110116475 Pheiffer, J (Janko) 1 1.0 1 0 0 100.0 1039.4 425.0 1464.4 View list
16 112087592 Potgieter, H (Hanro) 1 1.0 1 0 0 100.0 1039.4 425.0 1464.4 View list
17 1120135739 Pretorius, P (Pieter) 1 1.0 1 0 0 100.0 1179.2 425.0 1604.2 View list
18 1110116460 Ramusha, N (Naledi) 1 1.0 1 0 0 100.0 1066.0 425.0 1491.0 View list
19 1120136654 Richards, J (Jc) 1 1.0 1 0 0 100.0 1179.2 425.0 1604.2 View list
20 1120099321 Sibiya, K (Khayalethu) 1 1.0 1 0 0 100.0 1066.0 425.0 1491.0 View list