Player Page

Matthews, I (Isiah)
Dob: 2005/08/24 (U20)
Gender: Male
Chess SA id: 1050098459
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2019/05/11 (1865 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 rating1093.6
Current Weighted rating1093.6
Current Weighted performance381.1
Current official/published rating (highest between Raw, WR and WP)1093.6
Current highest rating achieved1129.5
Current floor (min rating allowed)629.5
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)±193.0
Current Raw change used (final)0.0
Projected new Raw rating1093.6
Projected new Weighed rating1006.1
Projected new Weighted performance381.1
Projected new final Raw rating (if new WP > new Raw)1093.6
Projected new highest rating1129.5
Projected new floor629.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1093.6
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 rating1090.9
Current Weighted rating1090.9
Current Weighted performance381.1
Current official/published rating (highest between Raw, WR and WP)1090.9
Current highest rating achieved1128.1
Current floor (min rating allowed)628.1
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)±193.7
Current Raw change used (final)0.0
Projected new Raw rating1090.9
Projected new Weighed rating1003.6
Projected new Weighted performance381.1
Projected new final Raw rating (if new WP > new Raw)1090.9
Projected new highest rating1128.1
Projected new floor628.1
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1090.9
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 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
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
9 Eden Trials 3 2019 (U16 Open) 2019/05/11 2019/05/11 Eden District (WEG) Standard 60 0.83 5 5 3.0 1053.1 1037.7 Analysis
8 Eden Trials 2 2019 (U16 Open) 2019/04/13 2019/04/13 Eden District (WEG) Standard 60 0.83 5 5 1.0 1129.5 1128.1 Analysis
7 Eden Trials 1 2019 (U16 Open) 2019/03/02 2019/03/02 Eden District (WEG) Standard 60 0.83 5 5 4.0 1067.5 1067.2 Analysis
6 Oudtshoorn Trials 3 2019 (U16) 2019/02/16 2019/02/16 Eden District (WEG) Standard 60 0.83 5 4 3.0 990.8 966.0 Analysis
5 Oudtshoorn Trials 2 2019 (U16) 2019/02/09 2019/02/09 Eden District (WEG) Standard 60 0.83 5 5 3.5 990.8 966.0 Analysis
4 Oudtshoorn Trials 1 2019 (U16) 2019/01/19 2019/01/19 Eden District (WEG) Standard 60 0.83 5 4 2.0 976.2 944.0 Analysis
3 EDENSC Closed 3 2018 (U14 Open) 2018/05/12 2018/05/12 Eden District (WEG) Standard 60 0.83 5 5 3.0 1022.3 988.8 Analysis
2 EDENSC Closed 2 2018 (U14 Open) 2018/04/14 2018/04/14 Eden District (WEG) Standard 60 0.83 5 5 2.5 1100.7 1080.4 Analysis
1 EDENSC Closed 1 2018 (U14 Boys) 2018/03/10 2018/03/10 Eden District (WEG) Standard 60 0.83 5 4 0.0 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 42 21 2 19 22.0 52.4 20.2 931.1 951.4
White 21 11 1 9 11.5 54.8 40.5 928.7 969.1
Black 21 10 1 10 10.5 50.0 0.0 933.6 933.6
Standard All 42 21 2 19 22.0 52.4 20.2 931.1 951.4
White 21 11 1 9 11.5 54.8 40.5 928.7 969.1
Black 21 10 1 10 10.5 50.0 0.0 933.6 933.6
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 105078145 Pietersen, J (Juwellyn) 3 1.0 1 0 2 33.3 1060.5 -141.7 918.9 View list
2 1040107894 Scholtz, L (Lidime-Arno) 2 2.0 2 0 0 100.0 990.8 425.0 1415.8 View list
3 1050107885 Draai, K (Kevin) 2 1.0 1 0 1 50.0 1021.9 0.0 1021.9 View list
4 104055794 Arries, J (Jodin) 2 1.0 1 0 1 50.0 983.5 0.0 983.5 View list
5 105078148 Botha, J (Jonathan) 2 1.0 1 0 1 50.0 1098.5 0.0 1098.5 View list
6 104054162 Barnard, S (Stephan) 1 1.0 1 0 0 100.0 1067.5 425.0 1492.5 View list
7 1050107882 Julies, N (Nigeal) 1 1.0 1 0 0 100.0 990.8 425.0 1415.8 View list
8 105047570 Joseph, C (Christopher) 1 1.0 1 0 0 100.0 1053.1 425.0 1478.1 View list
9 1040110958 Jaftha, R (Rhowen) 1 1.0 1 0 0 100.0 1053.1 425.0 1478.1 View list
10 1050107883 Jacobs, V (Vaughan) 1 1.0 1 0 0 100.0 1129.5 425.0 1554.5 View list
11 205078132 Marcus, I (Inge) 1 1.0 1 0 0 100.0 1022.3 425.0 1447.3 View list
12 1050107890 Campher, L (Luwiaan) 1 1.0 1 0 0 100.0 976.2 425.0 1401.2 View list
13 205089216 Meyer, J (Jordan) 1 1.0 1 0 0 100.0 1022.3 425.0 1447.3 View list
14 1050098458 Mostert, R (Richard) 1 1.0 1 0 0 100.0 976.2 425.0 1401.2 View list
15 205077870 Mwangi, A (Abigail) 1 1.0 1 0 0 100.0 1100.7 425.0 1525.7 View list
16 104088333 Pieterse, A (Amelick) 1 1.0 1 0 0 100.0 1053.1 425.0 1478.1 View list
17 106083796 Saayman, JM (Johannes) 1 1.0 1 0 0 100.0 1022.3 425.0 1447.3 View list
18 204078121 Saayman, N (Nerene) 1 1.0 1 0 0 100.0 1067.5 425.0 1492.5 View list
19 1050098455 Schoeman, E (Eugh Kian) 1 1.0 1 0 0 100.0 990.8 425.0 1415.8 View list
20 105065452 Zhu, D (Dennis) 1 1.0 1 0 0 100.0 1100.7 425.0 1525.7 View list