Player Page

Kajiwa, I (Irvin)
Dob: 2013/01/28 (U12)
Gender: Male
Chess SA id: 1130149897
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/03/09 (53 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 rating1293.0
Curent Weighted rating1250.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1293.0
Current floor (min rating allowed)793.0
Current highest rating achieved1293.0
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 rating1255.4
Projected new Weighted performance0.0
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
Projected new highest rating1293.0
Projected new floor793.0
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 rating1310.9
Curent Weighted rating1259.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1310.9
Current floor (min rating allowed)810.9
Current highest rating achieved1310.9
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 rating1265.4
Projected new Weighted performance0.0
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
Projected new highest rating1310.9
Projected new floor810.9
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 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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Eden School Chess Trials 1 2024 (U11 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.0 1267.0 1278.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Eden School Chess Trials 1 2024 (U11 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.0 1267.0 1278.9 Analysis
4 Eden Top Schools 2023 (U11 Mix) 2023/08/19 2023/08/19 Eden District (WEG) Standard 60 0.83 5 4 3.0 1236.5 1242.9 Analysis
3 Eden Trials 2+3 2023 (U12) 2023/04/15 2023/05/13 Eden District (WEG) Standard 60 0.83 10 0 0.0 1236.5 1242.9 Analysis
2 Eden Trails 1 2023 (U11 Boys) 2023/03/11 2023/03/11 Eden District (WEG) Standard 60 0.83 5 5 3.0 1215.6 1218.4 Analysis
1 2023 Knysna School Trials #1 (U7-U11) 2023/02/04 2023/02/04 Eden District (WEG) Standard 65 0.85 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1337.3 1422.3
White 3 2 0 1 2.0 66.7 141.7 1296.6 1438.3
Black 2 1 0 1 1.0 50.0 0.0 1398.3 1398.3
Standard All 5 3 0 2 3.0 60.0 85.0 1337.3 1422.3
White 3 2 0 1 2.0 66.7 141.7 1296.6 1438.3
Black 2 1 0 1 1.0 50.0 0.0 1398.3 1398.3
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 19 11 2 6 12.0 63.2 111.8 1259.8 1371.6
White 11 9 1 1 9.5 86.4 309.1 1218.0 1527.1
Black 8 2 1 5 2.5 31.3 -159.4 1317.2 1157.8
Standard All 19 11 2 6 12.0 63.2 111.8 1259.8 1371.6
White 11 9 1 1 9.5 86.4 309.1 1218.0 1527.1
Black 8 2 1 5 2.5 31.3 -159.4 1317.2 1157.8
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 1130134042 Coleman, F (Ferdinand) 2 1.0 1 0 1 50.0 1251.8 0.0 1251.8 View list
2 1140132056 Willemse, E (Elizur) 1 1.0 1 0 0 100.0 1215.6 425.0 1640.6 View list
3 1120150003 Van Aswegen, K (Kearon) 1 1.0 1 0 0 100.0 1236.5 425.0 1661.5 View list
4 1140300752 Bruinders, N (Nate) 1 1.0 1 0 0 100.0 1267.0 425.0 1692.0 View list
5 2130149892 Bothma, S (Skye) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1120154635 Bam, C (Cayleb) 1 1.0 1 0 0 100.0 1236.5 425.0 1661.5 View list
7 1140161642 Abrahams, M (Matthew) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1140150044 Abrahams, M (Marshal) 1 1.0 1 0 0 100.0 1267.0 425.0 1692.0 View list
9 1140152601 Magela, L (Lingomso) 1 1.0 1 0 0 100.0 1267.0 425.0 1692.0 View list
10 2120137912 Magela, A (Alupheli) 1 1.0 1 0 0 100.0 1215.6 425.0 1640.6 View list
11 1130152563 Madziwa, K (Kupakwashe) 1 1.0 1 0 0 100.0 1215.6 425.0 1640.6 View list
12 1130149896 Kachingwe, R (Raymond) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
13 1120149902 Tobey, B (Buhle) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
14 1140136966 Van Staden, P (Pearson) 1 0.0 0 0 1 0.0 1267.0 -425.0 842.0 View list
15 1130149901 Ruiters, L (Liam) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1120119460 Chaonwa, N (Nathan) 1 0.0 0 0 1 0.0 1215.6 -425.0 790.6 View list
17 1110137903 Herman, A (Aqeem) 1 0.0 0 0 1 0.0 1236.5 -425.0 811.5 View list
18 1130142292 Glynn, A (Alexander) 1 0.0 0 0 1 0.0 1215.6 -425.0 790.6 View list