Player Page

Jaftha, D (Duwayne)
Dob: 2005/04/03 (U20)
Gender: Male
Chess SA id: 105086282
FIDE id:
Region: Central Karoo (WCK)
Citizen: RSA
Title(s):
Last active: 2023/02/04 (472 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 rating1101.1
Curent Weighted rating1111.4
Curent Weighted performance785.0
Current official/published rating (highest between Raw, WR and WP)1111.4
Current floor (min rating allowed)704.5
Current highest rating achieved1204.5
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)±190.9
Current Raw change used (final)0.0
Projected new Raw rating1101.1
Projected new Weighed rating1109.0
Projected new Weighted performance785.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1109.0
Projected effective change (new Official - current Official)-2.4
Projected new highest rating1204.5
Projected new floor704.5
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 rating1074.8
Curent Weighted rating1087.3
Curent Weighted performance775.2
Current official/published rating (highest between Raw, WR and WP)1087.3
Current floor (min rating allowed)700.4
Current highest rating achieved1200.4
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)±198.2
Current Raw change used (final)0.0
Projected new Raw rating1074.8
Projected new Weighed rating1084.4
Projected new Weighted performance775.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1084.4
Projected effective change (new Official - current Official)-2.9
Projected new highest rating1200.4
Projected new floor700.4
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
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 rating1170.0
Curent Weighted rating1170.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1170.1
Current floor (min rating allowed)700.0
Current highest rating achieved1170.0
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)±173.1
Current Raw change used (final)0.0
Projected new Raw rating1170.0
Projected new Weighed rating1170.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1170.0
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1170.0
Projected new floor700.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Central Karoo Schools Chess Trial 1 2023 (U19) 2023/02/04 2023/02/04 Eden District (WEG) Standard 60 0.83 5 5 0.0 1185.4 1177.0 Analysis
5 WCCA Rural Cup 2022 (U18) 2022/08/13 2022/08/14 Overberg (WOS) Standard 60 0.83 5 4 0.0 1204.5 1200.4 Analysis
4 WCCA Rural Cup Blitz 2022 2022/07/12 2022/07/12 Overberg (WOS) Blitz 5 0.18 5 5 2.0 1203.9 1200.0 Analysis
3 Central Karoo 2022 (U15+U18 Boys) 2022/03/19 2022/03/19 Central Karoo (WCK) Standard 65 0.85 5 5 4.0 1154.8 1143.2 Analysis
2 Western Cape Inter Region Cup 2021 (Junior) 2022/03/04 2022/03/06 West Coast (WCU) Standard 90 0.94 5 5 0.0 1154.8 1143.2 Analysis
1 Central Karoo Prestige Tournament 2021 (U16+U18) 2021/05/29 2021/05/29 Central Karoo (WCK) 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 29 8 0 21 8.0 27.6 -190.5 1284.2 1093.7
White 13 5 0 8 5.0 38.5 -98.1 1300.6 1202.5
Black 16 3 0 13 3.0 18.8 -265.6 1270.9 1005.3
Standard All 24 6 0 18 6.0 25.0 -212.5 1281.4 1068.9
White 11 4 0 7 4.0 36.4 -115.9 1315.8 1199.9
Black 13 2 0 11 2.0 15.4 -294.2 1252.2 958.0
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 5 2 0 3 2.0 40.0 -85.0 1297.7 1212.7
White 2 1 0 1 1.0 50.0 0.0 1216.6 1216.6
Black 3 1 0 2 1.0 33.3 -141.7 1351.8 1210.1
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 106086231 Ramasetja, L (Lesetha) 2 0.0 0 0 2 0.0 1192.7 -425.0 767.7 View list
2 1060139207 Fillies, C (Carlin) 1 1.0 1 0 0 100.0 1154.8 425.0 1579.8 View list
3 2120139053 Kruger, J (Jamie) 1 1.0 1 0 0 100.0 1203.9 425.0 1628.9 View list
4 2050110956 Claassen, L (Linique) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1070139205 Blom, F (Franklin) 1 1.0 1 0 0 100.0 1154.8 425.0 1579.8 View list
6 2060098468 Mackay, A (Amber) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1060139212 Luttig, J (Jivaan) 1 1.0 1 0 0 100.0 1154.8 425.0 1579.8 View list
8 1140136598 Spies, F (Fanie) 1 1.0 1 0 0 100.0 1203.9 425.0 1628.9 View list
9 1080139220 Stampulu, H (Hlomla) 1 1.0 1 0 0 100.0 1154.8 425.0 1579.8 View list
10 205069633 Prince, SN (Sharna) 1 0.0 0 0 1 0.0 1203.9 -425.0 778.9 View list
11 1060139215 Piedt, M (Marshall) 1 0.0 0 0 1 0.0 1154.8 -425.0 729.8 View list
12 107053637 Palmer, RN (Reegan) 1 0.0 0 0 1 0.0 1154.8 -425.0 729.8 View list
13 106087912 Lielieveld, F (Franco) 1 0.0 0 0 1 0.0 1204.5 -425.0 779.5 View list
14 1060118881 Abrahams, K (Kenrick) 1 0.0 0 0 1 0.0 1185.4 -425.0 760.4 View list
15 1050139210 Kleyn, J (Jayden) 1 0.0 0 0 1 0.0 1185.4 -425.0 760.4 View list
16 1060096290 Kariem, S (Shakir) 1 0.0 0 0 1 0.0 1204.5 -425.0 779.5 View list
17 1070140607 Jambo, S (Stanwill) 1 0.0 0 0 1 0.0 1203.9 -425.0 778.9 View list
18 105065439 Hendricks, M (Matthew) 1 0.0 0 0 1 0.0 1185.4 -425.0 760.4 View list
19 107065423 Hendricks, D (Diego) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 1060138411 Harmse, D (Deon) 1 0.0 0 0 1 0.0 1204.5 -425.0 779.5 View list