Player Page

Bothma, B (Byron)
Dob: 2010/04/08 (U16)
Gender: Male
Chess SA id: 1100118123
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2022/10/22 (613 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 rating1141.6
Current Weighted rating1141.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1141.6
Current highest rating achieved1180.7
Current floor (min rating allowed)680.7
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)±180.2
Current Raw change used (final)0.0
Projected new Raw rating1141.6
Projected new Weighed rating1050.2
Projected new Weighted performance718.9
Projected new final Raw rating (if new WP > new Raw)1141.6
Projected new highest rating1180.7
Projected new floor680.7
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1141.6
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 rating1127.2
Current Weighted rating1127.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1127.2
Current highest rating achieved1177.2
Current floor (min rating allowed)677.2
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)±183.9
Current Raw change used (final)0.0
Projected new Raw rating1127.2
Projected new Weighed rating1037.0
Projected new Weighted performance554.3
Projected new final Raw rating (if new WP > new Raw)1127.2
Projected new highest rating1177.2
Projected new floor677.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1127.2
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 rating1181.2
Current Weighted rating1181.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1181.6
Current highest rating achieved1181.2
Current floor (min rating allowed)681.2
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)±170.3
Current Raw change used (final)0.0
Projected new Raw rating1181.2
Projected new Weighed rating1086.9
Projected new Weighted performance312.8
Projected new final Raw rating (if new WP > new Raw)1181.2
Projected new highest rating1181.2
Projected new floor681.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1181.2
Projected effective change (new Official - current Official)-0.4
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 George-Suid Senior Skaaktoernooi 2022 2022/10/22 2022/10/22 Eden District (WEG) Rapid 20 0.47 5 5 2.0 1136.9 1200.0 Analysis
3 George Topskole 2022 (O13) 2022/07/30 2022/07/30 Eden District (WEG) Standard 60 0.83 5 5 1.0 1159.5 1156.4 Analysis
2 George Trials 2 2022 (U13) 2022/02/12 2022/02/12 Eden District (WEG) Standard 60 0.83 5 5 1.5 1180.7 1177.2 Analysis
1 2019 Gauteng School League Finals (U9 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
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 20 6 1 13 6.5 32.5 -148.8 1252.3 1103.5
White 11 4 1 6 4.5 40.9 -77.3 1246.1 1168.9
Black 9 2 0 7 2.0 22.2 -236.1 1259.7 1023.6
Standard All 15 4 1 10 4.5 30.0 -170.0 1245.4 1075.4
White 8 3 1 4 3.5 43.8 -53.1 1228.8 1175.6
Black 7 1 0 6 1.0 14.3 -303.6 1264.5 960.9
Rapid All 5 2 0 3 2.0 40.0 -85.0 1272.8 1187.8
White 3 1 0 2 1.0 33.3 -141.7 1292.5 1150.8
Black 2 1 0 1 1.0 50.0 0.0 1243.3 1243.3
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 209095400 Rodriguez, C (Chloe-Jade) 2 1.0 1 0 1 50.0 1148.2 0.0 1148.2 View list
2 1110144653 Poulton, G (Grace) 1 1.0 1 0 0 100.0 1136.9 425.0 1561.9 View list
3 1100119487 Ndikandika, X (Xabiso) 1 1.0 1 0 0 100.0 1180.7 425.0 1605.7 View list
4 1090144663 Meintjies, A (Andre) 1 1.0 1 0 0 100.0 1159.5 425.0 1584.5 View list
5 2100118113 Rakau, T (Thato) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 210069186 Terblanche, D (Danielle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1090136947 Spencer, C (Connor) 1 0.5 0 1 0 50.0 1180.7 0.0 1180.7 View list
8 109077753 Van Loggerenberg, U (Ulrich) 1 0.0 0 0 1 0.0 1159.5 -425.0 734.5 View list
9 109086413 Scholtz, H (Hanko) 1 0.0 0 0 1 0.0 1180.7 -425.0 755.7 View list
10 1110118116 Pule, T (Thato) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1100108128 Prins, R (Reinhart) 1 0.0 0 0 1 0.0 1159.5 -425.0 734.5 View list
12 209083942 Mcmahon, M (Mieka) 1 0.0 0 0 1 0.0 1136.9 -425.0 711.9 View list
13 2090136945 Goliath, R (Rori) 1 0.0 0 0 1 0.0 1180.7 -425.0 755.7 View list
14 1110109382 Fourie, L (Loftie) 1 0.0 0 0 1 0.0 1136.9 -425.0 711.9 View list
15 210072580 Ferreira, A (Adriani) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 2100119452 Erasmus, A (Anneke) 1 0.0 0 0 1 0.0 1159.5 -425.0 734.5 View list
17 110091710 Du Toit, B (Bernard) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 2110136933 Douglas, C (Caitlin) 1 0.0 0 0 1 0.0 1136.9 -425.0 711.9 View list
19 1090130140 Bukula, S (Sivuyisile) 1 0.0 0 0 1 0.0 1180.7 -425.0 755.7 View list