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: 2024/08/17 (59 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 rating1327.1
Current Weighted rating1279.5
Current Weighted performance1298.7
Current official/published rating (highest between Raw, WR and WP)1327.1
Current highest rating achieved1327.1
Current floor (min rating allowed)827.1
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)±138.4
Current Raw change used (final)0.0
Projected new Raw rating1327.1
Projected new Weighed rating1178.7
Projected new Weighted performance1298.7
Projected new final Raw rating (if new WP > new Raw)1327.1
Projected new highest rating1327.1
Projected new floor827.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1327.1
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 rating1349.1
Current Weighted rating1294.0
Current Weighted performance1298.7
Current official/published rating (highest between Raw, WR and WP)1349.1
Current highest rating achieved1349.1
Current floor (min rating allowed)849.1
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)±134.1
Current Raw change used (final)0.0
Projected new Raw rating1349.1
Projected new Weighed rating1192.3
Projected new Weighted performance1298.7
Projected new final Raw rating (if new WP > new Raw)1349.1
Projected new highest rating1349.1
Projected new floor849.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1349.1
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 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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Eden Top Schools 2024 (U11 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 3.0 1293.0 1310.9 Analysis
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
6 Eden Top Schools 2024 (U11 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 3.0 1293.0 1310.9 Analysis
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 10 6 0 4 6.0 60.0 85.0 1374.2 1459.2
White 6 4 0 2 4.0 66.7 141.7 1370.1 1511.8
Black 4 2 0 2 2.0 50.0 0.0 1380.3 1380.3
Standard All 10 6 0 4 6.0 60.0 85.0 1374.2 1459.2
White 6 4 0 2 4.0 66.7 141.7 1370.1 1511.8
Black 4 2 0 2 2.0 50.0 0.0 1380.3 1380.3
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 24 14 2 8 15.0 62.5 106.3 1291.3 1397.5
White 14 11 1 2 11.5 82.1 273.2 1266.4 1539.6
Black 10 3 1 6 3.5 35.0 -127.5 1326.2 1198.7
Standard All 24 14 2 8 15.0 62.5 106.3 1291.3 1397.5
White 14 11 1 2 11.5 82.1 273.2 1266.4 1539.6
Black 10 3 1 6 3.5 35.0 -127.5 1326.2 1198.7
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 1130145226 Frans, S (Sherwin) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list
3 1140137897 Bruinders, N (Nate) 1 1.0 1 0 0 100.0 1267.0 425.0 1692.0 View list
4 2130149892 Bothma, S (Skye) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1120154635 Bam, C (Cayleb) 1 1.0 1 0 0 100.0 1236.5 425.0 1661.5 View list
6 1140161642 Abrahams, M (Matthew) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1140150044 Abrahams, M (Marshal) 1 1.0 1 0 0 100.0 1267.0 425.0 1692.0 View list
8 2140151125 Rabie, T (Thilda) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list
9 1120150003 Van Aswegen, K (Kearon) 1 1.0 1 0 0 100.0 1236.5 425.0 1661.5 View list
10 1140152601 Magela, L (Lingomso) 1 1.0 1 0 0 100.0 1267.0 425.0 1692.0 View list
11 2120137912 Magela, A (Alupheli) 1 1.0 1 0 0 100.0 1215.6 425.0 1640.6 View list
12 1130152563 Madziwa, K (Kupakwashe) 1 1.0 1 0 0 100.0 1215.6 425.0 1640.6 View list
13 1130302546 Linde, J (Jurgen) 1 1.0 1 0 0 100.0 1293.0 425.0 1718.0 View list
14 1140132056 Willemse, E (Elizur) 1 1.0 1 0 0 100.0 1215.6 425.0 1640.6 View list
15 1130149896 Kachingwe, R (Raymond) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
16 1120149902 Tobey, B (Buhle) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
17 1130149901 Ruiters, L (Liam) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1130148062 Marner, B (Bryan Neil) 1 0.0 0 0 1 0.0 1293.0 -425.0 868.0 View list
19 1110137903 Herman, A (Aqeem) 1 0.0 0 0 1 0.0 1236.5 -425.0 811.5 View list
20 1130142292 Glynn, A (Alexander) 1 0.0 0 0 1 0.0 1215.6 -425.0 790.6 View list