Player Page

Botha, W (Wian)
Dob: 2008/08/04 (U18)
Gender: Male
Chess SA id: 1080097926
FIDE id:
Region: Ehlanzeni (MEN)
Citizen: RSA
Title(s):
Last active: 2024/03/09 (106 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 rating1138.0
Current Weighted rating1108.6
Current Weighted performance1138.3
Current official/published rating (highest between Raw, WR and WP)1138.3
Current highest rating achieved1138.0
Current floor (min rating allowed)638.0
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)±181.1
Current Raw change used (final)0.0
Projected new Raw rating1138.0
Projected new Weighed rating1021.8
Projected new Weighted performance1138.3
Projected new final Raw rating (if new WP > new Raw)1138.3
Projected new highest rating1138.3
Projected new floor638.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1138.3
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 rating1148.3
Current Weighted rating1114.0
Current Weighted performance1138.3
Current official/published rating (highest between Raw, WR and WP)1148.3
Current highest rating achieved1148.3
Current floor (min rating allowed)648.3
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)±178.5
Current Raw change used (final)0.0
Projected new Raw rating1148.3
Projected new Weighed rating1027.2
Projected new Weighted performance1138.3
Projected new final Raw rating (if new WP > new Raw)1148.3
Projected new highest rating1148.3
Projected new floor648.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1148.3
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 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
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
1 Oikos Chess Tournament 2024 (U21) 2024/03/09 2024/03/09 Ehlanzeni (MEN) Standard 63 0.84 5 4 2.0 1126.2 1135.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
21 Oikos Chess Tournament 2024 (U21) 2024/03/09 2024/03/09 Ehlanzeni (MEN) Standard 63 0.84 5 4 2.0 1126.2 1135.9 Analysis
20 Interhigh 2023 (U15) 2023/07/29 2023/07/29 Ehlanzeni (MEN) Standard 63 0.84 3 2 2.0 1083.5 1085.1 Analysis
19 Robbies 2023 (U16) 2023/05/11 2023/05/11 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.0 1037.1 1027.9 Analysis
18 Oikos Chess Tournament 2023 (U20) 2023/03/11 2023/03/11 Ehlanzeni (MEN) Standard 63 0.84 5 4 1.0 1031.4 1019.1 Analysis
17 Chess Unlimited Leap Year Tournament 2020 (B) 2020/02/29 2020/02/29 Ehlanzeni (MEN) Standard 70 0.87 5 5 2.0 1059.9 1051.5 Analysis
16 Uplands 2020 (U14) 2020/01/25 2020/01/25 Ehlanzeni (MEN) Standard 60 0.83 5 5 2.0 1052.9 1040.7 Analysis
15 Barberton Primary 2019 (U12) 2019/07/27 2019/07/27 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.0 1095.3 1082.6 Analysis
14 Ehlanzeni Open 2019 (D) 2019/07/20 2019/07/20 Ehlanzeni (MEN) Standard 60 0.83 5 5 0.5 1095.3 1082.6 Analysis
13 De Goede Top 10 2019 (U12) 2019/07/03 2019/07/03 Ehlanzeni (MEN) Standard 60 0.83 5 5 2.0 1095.3 1082.6 Analysis
12 Curro Open 2019 (U12) 2019/04/12 2019/04/12 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.5 1033.9 1028.0 Analysis
11 Rob Ferreira 2019 (C) 2019/04/06 2019/04/06 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.0 1033.9 1028.0 Analysis
10 Uplands Open Age 2019 (U12) 2019/03/09 2019/03/09 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.5 988.9 972.8 Analysis
9 Penryn Age Open 2019 (U12) 2019/02/09 2019/02/09 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.5 968.1 946.0 Analysis
8 Chess Unlimited Open 2019 (C) 2019/01/26 2019/01/26 Ehlanzeni (MEN) Standard 60 0.83 5 5 1.0 973.7 946.8 Analysis
7 De Goede Top 20 Closed 2018 (U12 Open) 2018/08/18 2018/08/18 Ehlanzeni (MEN) Standard 60 0.83 5 5 1.0 1006.9 982.0 Analysis
6 Malelane Primary 2018 (U12 Open) 2018/07/21 2018/07/21 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.0 1004.2 974.4 Analysis
5 Curro Age Open 2018 (U12 Open) 2018/05/12 2018/05/12 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.0 1078.1 1057.6 Analysis
4 Penryn Age Open 2018 (U12 Boys) 2018/04/21 2018/04/21 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.0 1116.7 1100.8 Analysis
3 Rob Ferreira Hoerskool Open 2018 (C) 2018/03/17 2018/03/17 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.0 1200.0 1200.0 Analysis
2 Sabie Primary 2018 (C) 2018/03/10 2018/03/10 Ehlanzeni (MEN) Standard 63 0.84 5 5 1.5 1200.0 1200.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 4 2 0 2 2.0 50.0 0.0 1201.7 1201.7
White 2 1 0 1 1.0 50.0 0.0 1220.5 1220.5
Black 2 1 0 1 1.0 50.0 0.0 1182.9 1182.9
Standard All 4 2 0 2 2.0 50.0 0.0 1201.7 1201.7
White 2 1 0 1 1.0 50.0 0.0 1220.5 1220.5
Black 2 1 0 1 1.0 50.0 0.0 1182.9 1182.9
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 114 42 10 62 47.0 41.2 -74.6 1104.8 1030.3
White 59 25 7 27 28.5 48.3 -14.4 1113.3 1098.9
Black 55 17 3 35 18.5 33.6 -139.1 1095.7 956.6
Standard All 114 42 10 62 47.0 41.2 -74.6 1104.8 1030.3
White 59 25 7 27 28.5 48.3 -14.4 1113.3 1098.9
Black 55 17 3 35 18.5 33.6 -139.1 1095.7 956.6
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 108065716 Van Heerden, M (Michael) 7 0.0 0 0 7 0.0 1068.9 -425.0 643.9 View list
2 1090097902 Nhlabathi, L (Lesedi) 3 3.0 3 0 0 100.0 1052.9 425.0 1477.9 View list
3 109089643 Wessels, M (Meyer) 3 3.0 3 0 0 100.0 1074.8 425.0 1499.8 View list
4 1080098245 Wright-Macpherson, D (Dakotah) 3 3.0 3 0 0 100.0 1066.3 425.0 1491.3 View list
5 109066919 Grobler, Z (Zander) 3 0.0 0 0 3 0.0 1052.9 -425.0 627.9 View list
6 110087575 Ogunjiofor, CJ (Chinedu Jeremy) 3 0.0 0 0 3 0.0 1059.8 -425.0 634.8 View list
7 1100116961 Cowley, J (Juandre) 2 2.0 2 0 0 100.0 1095.3 425.0 1520.3 View list
8 1100116944 Maseko, TJ (Thomas) 2 2.0 2 0 0 100.0 1095.3 425.0 1520.3 View list
9 1100116954 Wilson, M (Mikey) 2 2.0 2 0 0 100.0 1095.3 425.0 1520.3 View list
10 1060097913 Sibanyoni, F (Fafa) 2 1.5 1 1 0 75.0 1200.0 212.5 1412.5 View list
11 2080116634 De Jager, D (Deone) 2 1.0 0 2 0 50.0 1095.3 0.0 1095.3 View list
12 2080149508 Joubert, A (Anika) 2 0.0 0 0 2 0.0 1078.8 -425.0 653.8 View list
13 210092762 Herholdt, M (Msei) 2 0.0 0 0 2 0.0 1095.3 -425.0 670.3 View list
14 107087987 Kockemoer, Z (Zuraide) 2 0.0 0 0 2 0.0 1097.4 -425.0 672.4 View list
15 1080116957 Nxumalo, T (Tawanda) 2 0.0 0 0 2 0.0 1095.3 -425.0 670.3 View list
16 107066888 Ogunjiofor, O (Onyinye) 2 0.0 0 0 2 0.0 1017.8 -425.0 592.8 View list
17 108089644 Onwusaka, L (Lucky) 2 0.0 0 0 2 0.0 1001.0 -425.0 576.0 View list
18 1080100253 Pilani, G (Gregory) 2 0.0 0 0 2 0.0 1095.3 -425.0 670.3 View list
19 2070116966 Reitumetse, M (Molumo) 2 0.0 0 0 2 0.0 1095.3 -425.0 670.3 View list
20 2060111011 Sankar, R (Revaanea) 2 0.0 0 0 2 0.0 1095.3 -425.0 670.3 View list