Player Page

Sadalla, J (Johnny)
Dob: 2010/02/12 (U16)
Gender: Male
Chess SA id: 1100192158
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/25 (7 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 rating1309.3
Curent Weighted rating1219.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1309.3
Current floor (min rating allowed)809.3
Current highest rating achieved1309.3
Current K-factor36
Games played this month13
Score (S)5.5
Expected score (We)6.31
Difference (S-We)-0.81
Current Raw change (no limits, including tournament time weight)-24.2
Current min/max change allowed (with limits)±141.9
Current Raw change used (final)-24.2
Projected new Raw rating1285.1
Projected new Weighed rating1225.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1285.1
Projected effective change (new Official - current Official)-24.2
Projected new highest rating1309.3
Projected new floor809.3
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 rating1325.3
Curent Weighted rating1222.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1325.3
Current floor (min rating allowed)825.3
Current highest rating achieved1325.3
Current K-factor36
Games played this month13
Score (S)5.5
Expected score (We)6.59
Difference (S-We)-1.09
Current Raw change (no limits, including tournament time weight)-39.2
Current min/max change allowed (with limits)±138.7
Current Raw change used (final)-39.2
Projected new Raw rating1286.1
Projected new Weighed rating1228.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1286.1
Projected effective change (new Official - current Official)-39.2
Projected new highest rating1325.3
Projected new floor825.3
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 rating1210.8
Curent Weighted rating1201.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1210.8
Current floor (min rating allowed)710.8
Current highest rating achieved1210.8
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)±163.3
Current Raw change used (final)0.0
Projected new Raw rating1210.8
Projected new Weighed rating1202.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1210.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1210.8
Projected new floor710.8
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)710.8
Current highest rating achieved0.0
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)±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 rating0.0
Projected new floor710.8
Projected new K-facor40
Tournaments
Tournament: Chess Power House May Open 2024 (B)
Start: 2024/05/25  End: 2024/05/25  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1309.3  Rating gain/loss: 10.2
Type rating: 1325.3  Rating gain/loss: 7.2
Analysis
Tournament: D6 High School Individual Final 2024 (U15 Boys)
Start: 2024/05/18  End: 2024/05/18  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 4
Games: 4  Score: 2.5
Main rating: 1309.3  Rating gain/loss: -4.5
Type rating: 1325.3  Rating gain/loss: -8.3
Analysis
Tournament: 2024 Mid Gauteng Open Chess Tournament (U16)
Start: 2024/05/02  End: 2024/05/02  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 4
Games: 4  Score: 1.0
Main rating: 1309.3  Rating gain/loss: -29.9
Type rating: 1325.3  Rating gain/loss: -38.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Chess Power House May Open 2024 (B) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1309.3 1325.3 Analysis
5 D6 High School Individual Final 2024 (U15 Boys) 2024/05/18 2024/05/18 Ekurhuleni (GE) Standard 60 0.83 5 4 2.5 1309.3 1325.3 Analysis
4 2024 Mid Gauteng Open Chess Tournament (U16) 2024/05/02 2024/05/02 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1309.3 1325.3 Analysis
3 Ekurhuleni Open 2024 (C) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1273.4 1282.8 Analysis
2 Ekurhuleni North Chess Club Open Tournament 2024 (C) 2024/03/02 2024/03/02 Ehlanzeni (MEN) Rapid 30 0.60 7 7 4.0 1269.7 1200.0 Analysis
1 2024 Constantiapark Open (C) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Chess Power House May Open 2024 (B) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1309.3 1325.3 Analysis
5 D6 High School Individual Final 2024 (U15 Boys) 2024/05/18 2024/05/18 Ekurhuleni (GE) Standard 60 0.83 5 4 2.5 1309.3 1325.3 Analysis
4 2024 Mid Gauteng Open Chess Tournament (U16) 2024/05/02 2024/05/02 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1309.3 1325.3 Analysis
3 Ekurhuleni Open 2024 (C) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1273.4 1282.8 Analysis
2 Ekurhuleni North Chess Club Open Tournament 2024 (C) 2024/03/02 2024/03/02 Ehlanzeni (MEN) Rapid 30 0.60 7 7 4.0 1269.7 1200.0 Analysis
1 2024 Constantiapark Open (C) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 30 17 1 12 17.5 58.3 70.8 1282.9 1353.8
White 16 11 1 4 11.5 71.9 185.9 1241.5 1427.4
Black 14 6 0 8 6.0 42.9 -60.7 1330.3 1269.6
Standard All 23 13 1 9 13.5 58.7 73.9 1298.3 1372.2
White 12 8 1 3 8.5 70.8 177.1 1273.8 1450.9
Black 11 5 0 6 5.0 45.5 -38.6 1325.0 1286.4
Rapid All 7 4 0 3 4.0 57.1 60.7 1232.4 1293.1
White 4 3 0 1 3.0 75.0 212.5 1144.4 1356.9
Black 3 1 0 2 1.0 33.3 -141.7 1349.7 1208.0
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 30 17 1 12 17.5 58.3 70.8 1282.9 1353.8
White 16 11 1 4 11.5 71.9 185.9 1241.5 1427.4
Black 14 6 0 8 6.0 42.9 -60.7 1330.3 1269.6
Standard All 23 13 1 9 13.5 58.7 73.9 1298.3 1372.2
White 12 8 1 3 8.5 70.8 177.1 1273.8 1450.9
Black 11 5 0 6 5.0 45.5 -38.6 1325.0 1286.4
Rapid All 7 4 0 3 4.0 57.1 60.7 1232.4 1293.1
White 4 3 0 1 3.0 75.0 212.5 1144.4 1356.9
Black 3 1 0 2 1.0 33.3 -141.7 1349.7 1208.0
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 1090101509 Janse Van Vuuren, A (Alexander) 2 1.5 1 1 0 75.0 1289.5 212.5 1502.0 View list
2 1070112457 Bhula, S (Shyam Hitesh) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 208066161 Bhika, J (Jyotikka) 1 1.0 1 0 0 100.0 1269.7 425.0 1694.7 View list
4 1090305164 Beifus, A (Aiden) 1 1.0 1 0 0 100.0 1309.3 425.0 1734.3 View list
5 1120137394 Du Bruyn, D (Dylan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1100112365 Groenewald, S (Stefan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1090161976 Greenwood, D (Derick) 1 1.0 1 0 0 100.0 1269.7 425.0 1694.7 View list
8 1100305263 Mashele, V (Vuthlari) 1 1.0 1 0 0 100.0 1309.3 425.0 1734.3 View list
9 1100097226 Marais, JS (Jacobus) 1 1.0 1 0 0 100.0 1309.3 425.0 1734.3 View list
10 2120135381 Naude, J (Juliette) 1 1.0 1 0 0 100.0 1273.4 425.0 1698.4 View list
11 2080153006 Mogotsi, R (Reatlehile) 1 1.0 1 0 0 100.0 1269.7 425.0 1694.7 View list
12 1940139647 Sefuli, T (Thato) 1 1.0 1 0 0 100.0 1309.3 425.0 1734.3 View list
13 2140301423 Shunmugam, S (Siana) 1 1.0 1 0 0 100.0 1273.4 425.0 1698.4 View list
14 1100116478 Smith, H (Henre) 1 1.0 1 0 0 100.0 1273.4 425.0 1698.4 View list
15 1110305271 Valashiya, B (Banzi) 1 1.0 1 0 0 100.0 1309.3 425.0 1734.3 View list
16 1090302554 Van Der Westhuizen, N (Niel) 1 1.0 1 0 0 100.0 1273.4 425.0 1698.4 View list
17 2150143035 Van Zyl, S (Sanli) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1120135549 Segal, J (Jamie) 1 0.0 0 0 1 0.0 1309.3 -425.0 884.3 View list
19 1090114761 Saunders, W (Wayde) 1 0.0 0 0 1 0.0 1269.7 -425.0 844.7 View list
20 1060147252 Robinson, R (Rhys David) 1 0.0 0 0 1 0.0 1273.4 -425.0 848.4 View list