Player Page

Botha, AZ (Adriaan Zander)
Dob: 2015/01/30 (U10)
Gender: Male
Chess SA id: 1150149223
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/04/13 (35 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 rating1513.7
Curent Weighted rating1463.7
Curent Weighted performance1356.0
Current official/published rating (highest between Raw, WR and WP)1513.7
Current floor (min rating allowed)1117.6
Current highest rating achieved1617.6
Current K-factor28
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)±106.1
Current Raw change used (final)0.0
Projected new Raw rating1513.7
Projected new Weighed rating1474.0
Projected new Weighted performance1356.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1513.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1617.6
Projected new floor1117.6
Projected new K-facor28
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 rating1504.9
Curent Weighted rating1463.3
Curent Weighted performance1353.5
Current official/published rating (highest between Raw, WR and WP)1504.9
Current floor (min rating allowed)1120.8
Current highest rating achieved1620.8
Current K-factor28
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)±107.4
Current Raw change used (final)0.0
Projected new Raw rating1504.9
Projected new Weighed rating1472.8
Projected new Weighted performance1353.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1504.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1620.8
Projected new floor1120.8
Projected new K-facor28
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)700.0
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 floor700.0
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)700.0
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 floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 2024 West Rand RHS Open (U10) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 4.0 1507.4 1496.2 Analysis
2 2024 West Rand Open (U10) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1523.7 1513.6 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.5 1581.1 1573.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 2024 West Rand RHS Open (U10) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 4.0 1507.4 1496.2 Analysis
11 2024 West Rand Open (U10) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1523.7 1513.6 Analysis
10 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.5 1581.1 1573.8 Analysis
9 West Rand vs Bojanala Inter-Regional Championships 2023 (U10) 2023/10/14 2023/10/14 West Rand (GWR) Standard 60 0.83 5 5 2.0 1617.6 1620.8 Analysis
8 2023 West Rand Trials (U10) 2023/09/09 2023/09/09 West Rand (GWR) Standard 60 0.83 5 5 5.0 1585.6 1589.7 Analysis
7 2023 Gauteng Top Schools (U9 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 5.0 1478.4 1482.6 Analysis
6 West Rand at Bastion 2023 (U10) 2023/08/05 2023/08/05 West Rand (GWR) Standard 60 0.83 5 5 5.0 1478.4 1482.6 Analysis
5 D2 School League Finals 2023 (U9) 2023/07/22 2023/07/22 West Rand (GWR) Standard 60 0.83 7 5 5.0 1356.7 1381.2 Analysis
4 2023 West Rand RHS Open (U10) 2023/06/10 2023/06/10 West Rand (GWR) Standard 60 0.83 5 5 4.0 1329.8 1353.1 Analysis
3 D2 Schools Individuals 2023 (U9 Boys+Girls) 2023/05/13 2023/05/13 West Rand (GWR) Standard 60 0.83 5 5 4.0 1293.0 1312.4 Analysis
2 WR Tournament and Coaching 2023 (U10) 2023/02/25 2023/02/25 West Rand (GWR) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
1 2023 West Rand Open (U10) 2023/02/04 2023/02/04 West Rand (GWR) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 7 1 6 7.5 53.6 30.4 1343.4 1373.7
White 7 4 0 3 4.0 57.1 60.7 1362.1 1422.8
Black 7 3 1 3 3.5 50.0 0.0 1324.7 1324.7
Standard All 14 7 1 6 7.5 53.6 30.4 1343.4 1373.7
White 7 4 0 3 4.0 57.1 60.7 1362.1 1422.8
Black 7 3 1 3 3.5 50.0 0.0 1324.7 1324.7
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 59 44 2 13 45.0 76.3 223.3 1273.1 1496.4
White 31 26 0 5 26.0 83.9 287.9 1279.6 1567.5
Black 28 18 2 8 19.0 67.9 151.8 1265.9 1417.6
Standard All 59 44 2 13 45.0 76.3 223.3 1273.1 1496.4
White 31 26 0 5 26.0 83.9 287.9 1279.6 1567.5
Black 28 18 2 8 19.0 67.9 151.8 1265.9 1417.6
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 1150157468 Ninham, G (Grant) 4 4.0 4 0 0 100.0 1475.3 425.0 1900.3 View list
2 1150149230 Kamffer, J (John-Andrew) 3 3.0 3 0 0 100.0 1243.3 425.0 1668.3 View list
3 2150136181 Miya, K (Kwandokuhle) 3 2.0 2 0 1 66.7 1359.5 141.7 1501.2 View list
4 2150156385 Vis, K (Katlego) 3 2.0 2 0 1 66.7 1367.1 141.7 1508.7 View list
5 1160156372 Britz, W (Wian) 2 2.0 2 0 0 100.0 1515.6 425.0 1940.6 View list
6 1140149228 Grewar, O (Owen) 2 2.0 2 0 0 100.0 1339.2 425.0 1764.2 View list
7 2150156373 Erasmus, S (Sonja) 2 2.0 2 0 0 100.0 1492.9 425.0 1917.9 View list
8 1150156375 Marais, E (Ewald Pierre) 2 2.0 2 0 0 100.0 1324.8 425.0 1749.8 View list
9 1140156379 Mosielele, L (Lesego Kwanele) 2 2.0 2 0 0 100.0 1324.8 425.0 1749.8 View list
10 1140149235 Van Wyk, N (Nihann) 2 1.5 1 1 0 75.0 1392.8 212.5 1605.3 View list
11 1150144109 Nkabinde, N (Nkazimulo) 2 0.0 0 0 2 0.0 1562.5 -425.0 1137.5 View list
12 1150149226 De Koker, R (Rigardt) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1130149224 Coetzer, K (Katherine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1140158490 Fritz, T (Tayron) 1 1.0 1 0 0 100.0 1356.7 425.0 1781.7 View list
15 1150161276 Esterhuizen, R (Ruben) 1 1.0 1 0 0 100.0 1478.4 425.0 1903.4 View list
16 1140161279 Harrison, T (Tairon Lee) 1 1.0 1 0 0 100.0 1478.4 425.0 1903.4 View list
17 2150159585 Hayes, K (Kara) 1 1.0 1 0 0 100.0 1478.4 425.0 1903.4 View list
18 1140154497 Machine, K (Kwezi) 1 1.0 1 0 0 100.0 1329.8 425.0 1754.8 View list
19 1150149231 Laubscher, D (Declan) 1 1.0 1 0 0 100.0 1585.6 425.0 2010.6 View list
20 1150144068 Kotsokoane, R (Reotshepile) 1 1.0 1 0 0 100.0 1617.6 425.0 2042.6 View list