Player Page

Witbooi, A (Antonio)
Dob: 2006/06/19 (U20)
Gender: Male
Chess SA id: 1060137643
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/03/02 (116 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 rating1310.9
Current Weighted rating1261.5
Current Weighted performance1268.4
Current official/published rating (highest between Raw, WR and WP)1310.9
Current highest rating achieved1310.9
Current floor (min rating allowed)810.9
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)±141.6
Current Raw change used (final)0.0
Projected new Raw rating1310.9
Projected new Weighed rating1162.3
Projected new Weighted performance1268.4
Projected new final Raw rating (if new WP > new Raw)1310.9
Projected new highest rating1310.9
Projected new floor810.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1310.9
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 rating1299.9
Current Weighted rating1247.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1299.9
Current highest rating achieved1299.9
Current floor (min rating allowed)799.9
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1299.9
Projected new Weighed rating1148.9
Projected new Weighted performance1124.0
Projected new final Raw rating (if new WP > new Raw)1299.9
Projected new highest rating1299.9
Projected new floor799.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1299.9
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 rating1256.7
Current Weighted rating1234.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1256.7
Current highest rating achieved1256.7
Current floor (min rating allowed)756.7
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)±152.9
Current Raw change used (final)0.0
Projected new Raw rating1256.7
Projected new Weighed rating1137.0
Projected new Weighted performance934.9
Projected new final Raw rating (if new WP > new Raw)1256.7
Projected new highest rating1256.7
Projected new floor756.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1256.7
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
2 Cape Winelands Schools - Prestige 2024 (U18 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1290.6 1273.6 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1287.5 1248.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Cape Winelands Schools - Prestige 2024 (U18 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1290.6 1273.6 Analysis
6 Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1287.5 1248.4 Analysis
5 Paarl Boys High Chess Festival 2023 (2nd Division) 2023/10/13 2023/10/14 Cape Winelands (WCW) Standard 60 0.83 6 6 5.0 1233.1 1191.2 Analysis
4 CW Top Schools 2023 (U18 Mix) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 3.5 1199.8 1194.8 Analysis
3 Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1202.5 1195.2 Analysis
2 Cape Winelands Schools 2022 (U18 Boys) 2022/03/05 2022/03/05 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1201.0 1200.0 Analysis
1 Worcester Schools Trials 2022 (U18 Boys) 2022/02/19 2022/02/19 Cape Winelands (WCW) Rapid 30 0.60 5 4 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 5 1 5 5.5 50.0 0.0 1349.4 1349.4
White 5 4 0 1 4.0 80.0 255.0 1248.2 1503.2
Black 6 1 1 4 1.5 25.0 -212.5 1433.7 1221.2
Standard All 5 2 1 2 2.5 50.0 0.0 1400.7 1400.7
White 2 2 0 0 2.0 100.0 425.0 1277.5 1702.5
Black 3 0 1 2 0.5 16.7 -283.3 1482.8 1199.5
Rapid All 6 3 0 3 3.0 50.0 0.0 1306.6 1306.6
White 3 2 0 1 2.0 66.7 141.7 1228.6 1370.3
Black 3 1 0 2 1.0 33.3 -141.7 1384.6 1242.9
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 36 19 4 13 21.0 58.3 70.8 1259.4 1330.3
White 18 13 1 4 13.5 75.0 212.5 1225.0 1437.5
Black 18 6 3 9 7.5 41.7 -70.8 1293.9 1223.1
Standard All 21 11 3 7 12.5 59.5 81.0 1248.9 1329.9
White 10 8 0 2 8.0 80.0 255.0 1206.9 1461.9
Black 11 3 3 5 4.5 40.9 -77.3 1287.2 1209.9
Rapid All 15 8 1 6 8.5 56.7 56.7 1274.2 1330.8
White 8 5 1 2 5.5 68.8 159.4 1247.7 1407.0
Black 7 3 0 4 3.0 42.9 -60.7 1304.5 1243.7
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 1080192766 Combrink, P (Pieter) 1 1.0 1 0 0 100.0 1287.5 425.0 1712.5 View list
2 1080108607 Coetzee, C (Conlinn) 1 1.0 1 0 0 100.0 1290.6 425.0 1715.6 View list
3 1070162674 Brooks, N (Neil) 1 1.0 1 0 0 100.0 1233.1 425.0 1658.1 View list
4 1060137627 Brandt, D (David) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1070096095 Bake, Z (Zenzo Alessandro) 1 1.0 1 0 0 100.0 1233.1 425.0 1658.1 View list
6 1060151305 Liebenberg, M (Matthew) 1 1.0 1 0 0 100.0 1199.8 425.0 1624.8 View list
7 1060137631 Lambrechts, D (Davian) 1 1.0 1 0 0 100.0 1201.0 425.0 1626.0 View list
8 1080162681 Kruger, W (Waldo) 1 1.0 1 0 0 100.0 1233.1 425.0 1658.1 View list
9 1050132379 Kroutz, M (Monray) 1 1.0 1 0 0 100.0 1201.0 425.0 1626.0 View list
10 106051689 Milakovic, S (Stefan) 1 1.0 1 0 0 100.0 1233.1 425.0 1658.1 View list
11 1080192772 Morilly, C (Coden) 1 1.0 1 0 0 100.0 1290.6 425.0 1715.6 View list
12 1070139442 Myburg, A (Andy) 1 1.0 1 0 0 100.0 1202.5 425.0 1627.5 View list
13 1070115880 Naude, J (Jan-Daniel) 1 1.0 1 0 0 100.0 1287.5 425.0 1712.5 View list
14 108073346 Neels, JL (Jayden-Lee) 1 1.0 1 0 0 100.0 1233.1 425.0 1658.1 View list
15 1070137717 Smith, O (Oswill) 1 1.0 1 0 0 100.0 1202.5 425.0 1627.5 View list
16 206059036 Stokes, J (Jody) 1 1.0 1 0 0 100.0 1199.8 425.0 1624.8 View list
17 1080137613 Topp, K (Kelvin) 1 1.0 1 0 0 100.0 1287.5 425.0 1712.5 View list
18 107057156 Van Zyl, R (Rigter) 1 1.0 1 0 0 100.0 1199.8 425.0 1624.8 View list
19 1050108687 Verhoog, W (Walken) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 1080112286 Kana, Z (Zaywon) 1 0.5 0 1 0 50.0 1290.6 0.0 1290.6 View list