Player Page

Matthews, J (Johaydan)
Dob: 2011/05/12 (U14)
Gender: Male
Chess SA id: 1110148192
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/03/02 (116 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 rating1194.0
Current Weighted rating1183.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1194.0
Current highest rating achieved1194.0
Current floor (min rating allowed)694.0
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)±167.2
Current Raw change used (final)0.0
Projected new Raw rating1194.0
Projected new Weighed rating1089.2
Projected new Weighted performance688.0
Projected new final Raw rating (if new WP > new Raw)1194.0
Projected new highest rating1194.0
Projected new floor694.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1194.0
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 rating1182.0
Current Weighted rating1177.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1182.0
Current highest rating achieved1182.0
Current floor (min rating allowed)682.0
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)±170.1
Current Raw change used (final)0.0
Projected new Raw rating1182.0
Projected new Weighed rating1083.2
Projected new Weighted performance389.5
Projected new final Raw rating (if new WP > new Raw)1182.0
Projected new highest rating1182.0
Projected new floor682.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1182.0
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 rating1206.8
Current Weighted rating1202.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1206.8
Current highest rating achieved1206.8
Current floor (min rating allowed)706.8
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)±164.2
Current Raw change used (final)0.0
Projected new Raw rating1206.8
Projected new Weighed rating1105.9
Projected new Weighted performance392.7
Projected new final Raw rating (if new WP > new Raw)1206.8
Projected new highest rating1206.8
Projected new floor706.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1206.8
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 Cape Winelands Schools - Prestige 2024 (U13 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1190.0 1175.6 Analysis
1 Cape Winelands Schools - PS Trials 1 2024 (U13 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1179.4 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Cape Winelands Schools - Prestige 2024 (U13 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1190.0 1175.6 Analysis
2 Cape Winelands Schools - PS Trials 1 2024 (U13 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1179.4 1200.0 Analysis
1 Drakenstein Pioneers Club Championship 2022 (U14) 2022/09/20 2022/10/11 Cape Winelands (WCW) Standard 60 0.83 7 1 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 5 0 6 5.0 45.5 -38.6 1266.0 1227.4
White 6 4 0 2 4.0 66.7 141.7 1209.5 1351.1
Black 5 1 0 4 1.0 20.0 -255.0 1333.9 1078.9
Standard All 5 2 0 3 2.0 40.0 -85.0 1301.8 1216.8
White 3 2 0 1 2.0 66.7 141.7 1233.1 1374.8
Black 2 0 0 2 0.0 0.0 -425.0 1404.8 979.8
Rapid All 6 3 0 3 3.0 50.0 0.0 1236.2 1236.2
White 3 2 0 1 2.0 66.7 141.7 1185.8 1327.4
Black 3 1 0 2 1.0 33.3 -141.7 1286.7 1145.0
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 12 5 0 7 5.0 41.7 -70.8 1254.7 1183.9
White 7 4 0 3 4.0 57.1 60.7 1198.2 1258.9
Black 5 1 0 4 1.0 20.0 -255.0 1333.9 1078.9
Standard All 6 2 0 4 2.0 33.3 -141.7 1273.2 1131.6
White 4 2 0 2 2.0 50.0 0.0 1207.5 1207.5
Black 2 0 0 2 0.0 0.0 -425.0 1404.8 979.8
Rapid All 6 3 0 3 3.0 50.0 0.0 1236.2 1236.2
White 3 2 0 1 2.0 66.7 141.7 1185.8 1327.4
Black 3 1 0 2 1.0 33.3 -141.7 1286.7 1145.0
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 1120140966 Smith, J (James) 2 0.0 0 0 2 0.0 1184.7 -425.0 759.7 View list
2 1120149760 Van Wyk, C (Caylem) 1 1.0 1 0 0 100.0 1190.0 425.0 1615.0 View list
3 1120192838 Lotz, T (Tyler) 1 1.0 1 0 0 100.0 1179.4 425.0 1604.4 View list
4 1110149781 Jacobs, Z (Zuan-Lee) 1 1.0 1 0 0 100.0 1179.4 425.0 1604.4 View list
5 1110137460 Jacobs, P (Pierre) 1 1.0 1 0 0 100.0 1179.4 425.0 1604.4 View list
6 1120192818 Arendse, A (Ashton Lee) 1 1.0 1 0 0 100.0 1190.0 425.0 1615.0 View list
7 1110108726 Small, Q (Quade) 1 0.0 0 0 1 0.0 1190.0 -425.0 765.0 View list
8 2100137484 Adams, M (Meacke) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1120158350 Groenewald, C (Carlyle) 1 0.0 0 0 1 0.0 1179.4 -425.0 754.4 View list
10 1120108724 Goosen, J (Jeandre) 1 0.0 0 0 1 0.0 1190.0 -425.0 765.0 View list
11 1120156901 Fortuin, H (Haywill) 1 0.0 0 0 1 0.0 1179.4 -425.0 754.4 View list