Player Page

Mataka, Z (Zachary)
Dob: 2009/12/05 (U16)
Gender: Male
Chess SA id: 1090109593
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2023/02/04 (537 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 rating1146.1
Current Weighted rating1147.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1147.3
Current highest rating achieved1166.0
Current floor (min rating allowed)666.0
Current K-factor40
Games played this month-4
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)±179.1
Current Raw change used (final)0.0
Projected new Raw rating1146.1
Projected new Weighed rating1055.3
Projected new Weighted performance494.5
Projected new final Raw rating (if new WP > new Raw)1146.1
Projected new highest rating1166.0
Projected new floor666.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1146.1
Projected effective change (new Official - current Official)-1.2
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 rating1195.1
Current Weighted rating1195.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1195.1
Current highest rating achieved1208.4
Current floor (min rating allowed)708.4
Current K-factor36
Games played this month-4
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)±167.0
Current Raw change used (final)0.0
Projected new Raw rating1195.1
Projected new Weighed rating1099.5
Projected new Weighted performance251.0
Projected new final Raw rating (if new WP > new Raw)1195.1
Projected new highest rating1208.4
Projected new floor708.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1195.1
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 rating1107.6
Current Weighted rating1109.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1109.8
Current highest rating achieved1138.4
Current floor (min rating allowed)638.4
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)±189.1
Current Raw change used (final)0.0
Projected new Raw rating1107.6
Projected new Weighed rating1020.5
Projected new Weighted performance363.8
Projected new final Raw rating (if new WP > new Raw)1107.6
Projected new highest rating1138.4
Projected new floor638.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1107.6
Projected effective change (new Official - current Official)-2.2
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 Genesis Chess Club Open 2023 (B) 2023/02/04 2023/02/04 West Coast (WCU) Rapid 30 0.60 5 4 1.0 1162.9 1138.4 Analysis
3 Western Cape Womans Month Tournament 2019 (C) 2019/08/09 2019/08/11 West Coast (WCU) Standard 70 0.87 7 7 3.5 1166.0 1208.4 Analysis
2 Onder-Weskus Skole Proewe 2019 (O11 Seuns) 2019/02/16 2019/02/23 West Coast (WCU) Rapid 30 0.60 8 8 3.0 1200.0 1200.0 Analysis
1 St Helenabaai Open 2019 (U10) 2019/02/09 2019/02/09 West Coast (WCU) Standard 60 0.83 5 5 3.0 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 24 10 1 13 10.5 43.8 -53.1 1153.9 1100.8
White 12 6 0 6 6.0 50.0 0.0 1179.2 1179.2
Black 12 4 1 7 4.5 37.5 -106.3 1128.6 1022.3
Standard All 12 6 1 5 6.5 54.2 35.4 1153.0 1188.4
White 6 3 0 3 3.0 50.0 0.0 1146.5 1146.5
Black 6 3 1 2 3.5 58.3 70.8 1159.4 1230.2
Rapid All 12 4 0 8 4.0 33.3 -141.7 1154.8 1013.1
White 6 3 0 3 3.0 50.0 0.0 1211.9 1211.9
Black 6 1 0 5 1.0 16.7 -283.3 1097.8 814.4
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 1060148010 Gulwa, L (Lukhanyo) 1 1.0 1 0 0 100.0 1162.9 425.0 1587.9 View list
2 1830117684 Ruiters, I (Igor) 1 1.0 1 0 0 100.0 1166.0 425.0 1591.0 View list
3 2050117685 Willemse, A (Amor) 1 1.0 1 0 0 100.0 1166.0 425.0 1591.0 View list
4 2060117687 Wardt, R (Roslinnlee) 1 1.0 1 0 0 100.0 1166.0 425.0 1591.0 View list
5 1080110117 Tromp, L (Logan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1080110129 Conzalves, D (Damian) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2090109590 Fortuin, N (Noeska) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1090109592 Ferris, J (Joshua) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 2090109601 Williams, B (Beandre) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1090109600 Witbooi, R (Raphael) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 2050117673 Beerwinkel, A (Aretha) 1 0.5 0 1 0 50.0 1166.0 0.0 1166.0 View list
12 206077294 Galant, R (Rozaan) 1 0.0 0 0 1 0.0 1162.9 -425.0 737.9 View list
13 108077752 Theron, M (Martin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1070103504 Mitchells, C (Chris-Zane) 1 0.0 0 0 1 0.0 1162.9 -425.0 737.9 View list
15 1090096312 Lu, DTX (Daniel Ting Xu) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 207078017 Kilroe-Smith, I (Isabel) 1 0.0 0 0 1 0.0 1166.0 -425.0 741.0 View list
17 1100153271 Credo, Z (Zogo) 1 0.0 0 0 1 0.0 1162.9 -425.0 737.9 View list
18 1100103503 Arendse, Q (Qnwinne) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1060117674 Adams, M (Marlin) 1 0.0 0 0 1 0.0 1166.0 -425.0 741.0 View list
20 1100105103 Collair, H (Houston) 1 0.0 0 0 1 0.0 1166.0 -425.0 741.0 View list