Player Page

Botha, M (Marcus)
Dob: 2005/12/15 (U20)
Gender: Male
Chess SA id: 105082260
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/03/04 (442 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 rating1205.5
Curent Weighted rating1197.9
Curent Weighted performance840.3
Current official/published rating (highest between Raw, WR and WP)1205.5
Current floor (min rating allowed)705.5
Current highest rating achieved1205.5
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 rating1205.5
Projected new Weighed rating1199.4
Projected new Weighted performance840.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1205.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1205.5
Projected new floor705.5
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 rating1178.2
Curent Weighted rating1167.3
Curent Weighted performance821.6
Current official/published rating (highest between Raw, WR and WP)1178.2
Current floor (min rating allowed)678.2
Current highest rating achieved1178.2
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)±171.0
Current Raw change used (final)0.0
Projected new Raw rating1178.2
Projected new Weighed rating1169.5
Projected new Weighted performance821.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1178.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1178.2
Projected new floor678.2
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 rating717.3
Curent Weighted rating676.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)717.3
Current floor (min rating allowed)500.0
Current highest rating achieved717.3
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)±329.8
Current Raw change used (final)0.0
Projected new Raw rating717.3
Projected new Weighed rating680.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)717.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating717.3
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 rating500.0
Curent Weighted rating500.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)500.0
Current floor (min rating allowed)500.0
Current highest rating achieved500.0
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 rating500.0
Projected new Weighted performance
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
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
24 JNW Open - Crawford 2023 (C) 2023/03/04 2023/03/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1154.7 1105.8 Analysis
23 2022 Gauteng Interregion (U20 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1194.9 1142.2 Analysis
22 JNW Club - Junior A High School 2020 2020/03/07 2020/03/07 Johannesburg Metro (GJM) Rapid 30 0.60 5 5 4.0 1151.1 500.0 Analysis
21 JNW Club - Trinityhouse Randpark Ridge Open 2020 (D) 2020/02/22 2020/02/22 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 990.9 986.6 Analysis
20 Grey College Team Championship 2020 (B) 2020/01/31 2020/02/01 Mangaung (FMB) Standard 60 0.83 5 5 4.0 990.9 986.6 Analysis
19 2019 South African Junior Team Championships (U16D) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 6 1.0 1010.9 1009.8 Analysis
18 GJM vs GE Inter Region 2019 (U16C) 2019/10/05 2019/10/05 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1007.6 1007.0 Analysis
17 JNW Club - Maragon Open 2019 (D) 2019/08/03 2019/08/03 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1007.6 1008.2 Analysis
16 JHB Metro Closed 2019 (U16) 2019/07/27 2019/07/28 Johannesburg Metro (GJM) Standard 90 0.94 6 6 0.0 1040.2 1032.2 Analysis
15 JNW Club - Helpmekaar Kollege Open 2019 (D) 2019/07/06 2019/07/06 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1040.2 1032.2 Analysis
14 JNW Club - Hoerskool Linden 2019 (D) 2019/06/15 2019/06/15 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1077.4 1074.2 Analysis
13 The Metro Open 2019 (Masters) 2019/05/25 2019/05/26 Johannesburg Metro (GJM) Standard 90 0.94 6 6 2.5 1042.2 1040.4 Analysis
12 Chessnuts Under 1200 27 April 2019 (Knights) 2019/04/27 2019/04/27 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 875.1 858.9 Analysis
11 JNW Club - Charterhouse Open 2019 (D) 2019/04/13 2019/04/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 875.1 858.9 Analysis
10 JNW Club - Trinityhouse Randpark Ridge Open 2019 (D) 2019/03/09 2019/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 0.0 927.6 919.3 Analysis
9 JNW Club - Trinityhouse Little Falls Open 2019 (D) 2019/02/23 2019/02/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 957.1 951.7 Analysis
8 South African Junior Team Championships 2018 (U14D) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 4.0 943.1 938.1 Analysis
7 Inter Region GE vs JHB Metro 2018 (U14E) 2018/10/06 2018/10/06 Ekurhuleni (GE) Standard 60 0.83 5 3 1.0 936.7 937.0 Analysis
6 JNW Club - Maragon Open 2018 (D) 2018/08/04 2018/08/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 797.3 798.8 Analysis
5 JHB Metro Junior Closed 2018 (U14) 2018/07/28 2018/07/29 Johannesburg Metro (GJM) Standard 90 0.94 6 6 2.0 617.2 642.0 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 124 53 2 69 54.0 43.5 -54.8 1063.7 1008.8
White 60 22 2 36 23.0 38.3 -99.2 1058.4 959.2
Black 64 31 0 33 31.0 48.4 -13.3 1068.6 1055.3
Standard All 119 49 2 68 50.0 42.0 -67.9 1060.6 992.8
White 58 21 2 35 22.0 37.9 -102.6 1059.1 956.5
Black 61 28 0 33 28.0 45.9 -34.8 1062.1 1027.3
Rapid All 5 4 0 1 4.0 80.0 255.0 1135.6 1390.6
White 2 1 0 1 1.0 50.0 0.0 1039.1 1039.1
Black 3 3 0 0 3.0 100.0 425.0 1200.0 1625.0
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 204077255 De Abreu, A (Alexia Sally) 3 1.0 1 0 2 33.3 1052.6 -141.7 910.9 View list
2 104055372 Mali, M (Moneri) 2 1.0 1 0 1 50.0 1023.9 0.0 1023.9 View list
3 208073206 Fauconier, A (Amber) 2 0.0 0 0 2 0.0 687.5 -425.0 262.5 View list
4 204079859 Fauconier, C (Caley) 2 0.0 0 0 2 0.0 801.7 -425.0 376.7 View list
5 105081177 Pather, J (Juveshan) 2 0.0 0 0 2 0.0 942.4 -425.0 517.4 View list
6 1080099597 Rossouw, W (Wessel Johannes) 2 0.0 0 0 2 0.0 506.3 -425.0 81.3 View list
7 1100111813 Akula, K (Kishan) 1 1.0 1 0 0 100.0 1040.2 425.0 1465.2 View list
8 106056845 Buhrmann, J (Johann) 1 1.0 1 0 0 100.0 875.1 425.0 1300.1 View list
9 1080098200 Carter, D (Dylan) 1 1.0 1 0 0 100.0 563.1 425.0 988.1 View list
10 2100103528 Chungupengu, N (Nicolette) 1 1.0 1 0 0 100.0 990.9 425.0 1415.9 View list
11 1060099596 De Bruyn, L (Luke) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
12 1080107294 De Bruyn, E (Eric) 1 1.0 1 0 0 100.0 875.1 425.0 1300.1 View list
13 205067320 De Beer, J (Janka) 1 1.0 1 0 0 100.0 1007.6 425.0 1432.6 View list
14 1040130216 Eheli, S (Stanely) 1 1.0 1 0 0 100.0 990.9 425.0 1415.9 View list
15 206079860 Dinham, K (Kiara) 1 1.0 1 0 0 100.0 957.1 425.0 1382.1 View list
16 111009119 Esterhuizen, JL (Janco) 1 1.0 1 0 0 100.0 1077.4 425.0 1502.4 View list
17 1040096019 Flockhart, E (Elijah) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
18 206088946 Fradie, C (Charlize) 1 1.0 1 0 0 100.0 943.1 425.0 1368.1 View list
19 2080112160 Freeman, B (Braelyn) 1 1.0 1 0 0 100.0 875.1 425.0 1300.1 View list
20 1060110068 Fumba, O (Oyena) 1 1.0 1 0 0 100.0 957.1 425.0 1382.1 View list