Player Page

Booysen, Z (Zian)
Dob: 2012/06/12 (U14)
Gender: Male
Chess SA id: 1120155245
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (66 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 rating1293.0
Current Weighted rating1216.2
Current Weighted performance1268.3
Current official/published rating (highest between Raw, WR and WP)1293.0
Current highest rating achieved1293.0
Current floor (min rating allowed)793.0
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)±145.2
Current Raw change used (final)0.0
Projected new Raw rating1293.0
Projected new Weighed rating1119.3
Projected new Weighted performance1268.3
Projected new final Raw rating (if new WP > new Raw)1293.0
Projected new highest rating1293.0
Projected new floor793.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1293.0
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 rating1285.9
Current Weighted rating1219.6
Current Weighted performance1268.3
Current official/published rating (highest between Raw, WR and WP)1285.9
Current highest rating achieved1285.9
Current floor (min rating allowed)785.9
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)±146.7
Current Raw change used (final)0.0
Projected new Raw rating1285.9
Projected new Weighed rating1122.6
Projected new Weighted performance1268.3
Projected new final Raw rating (if new WP > new Raw)1285.9
Projected new highest rating1285.9
Projected new floor785.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1285.9
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 rating1154.2
Current Weighted rating1182.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1182.5
Current highest rating achieved1255.4
Current floor (min rating allowed)755.4
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)±177.0
Current Raw change used (final)0.0
Projected new Raw rating1154.2
Projected new Weighed rating1087.1
Projected new Weighted performance584.7
Projected new final Raw rating (if new WP > new Raw)1154.2
Projected new highest rating1255.4
Projected new floor755.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1154.2
Projected effective change (new Official - current Official)-28.3
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
6 Hoerskool Overvaal Chess Open 2024 (D) 2024/04/20 2024/04/20 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1158.8 1165.9 Analysis
5 Vaalpark Primary Chess Open 2024 (D) 2024/04/13 2024/04/13 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1158.8 1165.9 Analysis
4 HS Drie Riviere Chess Open Section 2024 (D) 2024/03/09 2024/03/09 Sedibeng (GSV) Standard 60 0.83 5 5 2.5 1158.8 1165.9 Analysis
3 NG Kerk Vanderbijlpark Suid 2024 (D) 2024/02/24 2024/02/24 Sedibeng (GSV) Standard 61 0.84 5 5 1.0 1185.7 1210.5 Analysis
2 Laerskool Midvaal Chess Open Section 2024 (D) 2024/02/10 2024/02/10 Sedibeng (GSV) Standard 61 0.84 5 4 2.0 1185.7 1210.5 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1191.8 1222.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 Hoerskool Overvaal Chess Open 2024 (D) 2024/04/20 2024/04/20 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1158.8 1165.9 Analysis
10 Vaalpark Primary Chess Open 2024 (D) 2024/04/13 2024/04/13 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1158.8 1165.9 Analysis
9 HS Drie Riviere Chess Open Section 2024 (D) 2024/03/09 2024/03/09 Sedibeng (GSV) Standard 60 0.83 5 5 2.5 1158.8 1165.9 Analysis
8 NG Kerk Vanderbijlpark Suid 2024 (D) 2024/02/24 2024/02/24 Sedibeng (GSV) Standard 61 0.84 5 5 1.0 1185.7 1210.5 Analysis
7 Laerskool Midvaal Chess Open Section 2024 (D) 2024/02/10 2024/02/10 Sedibeng (GSV) Standard 61 0.84 5 4 2.0 1185.7 1210.5 Analysis
6 2024 Gauteng Inter-Region Chess Championship (U14C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1191.8 1222.4 Analysis
5 Dr Pieter Hangelbroek Rapid 2023 (C) 2023/10/28 2023/10/28 Sedibeng (GSV) Rapid 30 0.60 5 5 0.0 1249.7 1255.4 Analysis
4 NWU Vaal Open 2023 (D) 2023/10/14 2023/10/14 Sedibeng (GSV) Standard 61 0.83 5 5 2.5 1249.7 1218.4 Analysis
3 Gauteng D7 Teams 2023 (U11) 2023/08/12 2023/08/12 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1243.1 1201.8 Analysis
2 VaalPark Primary Open Chess 2023 (E) 2023/06/16 2023/06/16 Sedibeng (GSV) Rapid 45 0.74 5 5 4.0 1202.1 1200.0 Analysis
1 Gauteng Schools Individual Finals 2023 (U11 Boys) 2023/05/26 2023/05/26 Ekurhuleni (GE) 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 28 13 1 14 13.5 48.2 -15.2 1255.0 1239.8
White 14 7 0 7 7.0 50.0 0.0 1284.3 1284.3
Black 14 6 1 7 6.5 46.4 -30.4 1225.7 1195.4
Standard All 28 13 1 14 13.5 48.2 -15.2 1255.0 1239.8
White 14 7 0 7 7.0 50.0 0.0 1284.3 1284.3
Black 14 6 1 7 6.5 46.4 -30.4 1225.7 1195.4
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 53 24 2 27 25.0 47.2 -24.1 1246.2 1222.1
White 27 12 1 14 12.5 46.3 -31.5 1272.6 1241.1
Black 26 12 1 13 12.5 48.1 -16.3 1218.7 1202.4
Standard All 43 20 2 21 21.0 48.8 -9.9 1253.3 1243.4
White 23 10 1 12 10.5 45.7 -37.0 1277.2 1240.3
Black 20 10 1 9 10.5 52.5 21.3 1225.7 1247.0
Rapid All 10 4 0 6 4.0 40.0 -85.0 1215.5 1130.5
White 4 2 0 2 2.0 50.0 0.0 1245.8 1245.8
Black 6 2 0 4 2.0 33.3 -141.7 1195.3 1053.6
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 2120138271 Blignaut, A (Alma) 3 3.0 3 0 0 100.0 1207.0 425.0 1632.0 View list
2 2140139659 Du Toit, M (Monika) 3 1.0 1 0 2 33.3 1167.8 -141.7 1026.1 View list
3 2120140219 Smit, L (Liane) 3 1.0 1 0 2 33.3 1217.2 -141.7 1075.5 View list
4 1120136523 Myburgh, V (Vaughn) 3 0.0 0 0 3 0.0 1167.8 -425.0 742.8 View list
5 1120139655 Du Toit, C (Christiaan) 2 1.5 1 1 0 75.0 1172.3 212.5 1384.8 View list
6 1120130080 Van Der Merwe, W (Willem) 2 0.0 0 0 2 0.0 1246.4 -425.0 821.4 View list
7 1100145397 Lengau, AD (Amohelang) 1 1.0 1 0 0 100.0 1191.8 425.0 1616.8 View list
8 1130157365 Maseloane, T (Tshiamo) 1 1.0 1 0 0 100.0 1202.1 425.0 1627.1 View list
9 1120155778 Marnewick, C (Conner) 1 1.0 1 0 0 100.0 1243.1 425.0 1668.1 View list
10 1130158662 Mohono, K (Keamogetswe) 1 1.0 1 0 0 100.0 1249.7 425.0 1674.7 View list
11 1120157367 Mnisi, N (Nhlamulo) 1 1.0 1 0 0 100.0 1202.1 425.0 1627.1 View list
12 1120159484 Mkhuma, K (Kamohelo) 1 1.0 1 0 0 100.0 1243.1 425.0 1668.1 View list
13 1130159480 Herego, S (Samalin) 1 1.0 1 0 0 100.0 1243.1 425.0 1668.1 View list
14 1120161588 Motloung, I (Israel) 1 1.0 1 0 0 100.0 1158.8 425.0 1583.8 View list
15 1120155271 Moyo, M (Mbongiseni) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 1120155273 Ndlovu, N (Nqobani) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 2110152999 Pieterse, Z (Zandri) 1 1.0 1 0 0 100.0 1191.8 425.0 1616.8 View list
18 1120161591 Reddy, M (Matthew) 1 1.0 1 0 0 100.0 1158.8 425.0 1583.8 View list
19 1130144483 Sampson, C (Cadon) 1 1.0 1 0 0 100.0 1158.8 425.0 1583.8 View list
20 1110157375 Van Lier, N (Nathan) 1 1.0 1 0 0 100.0 1202.1 425.0 1627.1 View list