Player Page

Combrink, J (Juan-Louis)
Dob: 2010/01/13 (U16)
Gender: Male
Chess SA id: 1100151738
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/05/04 (16 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 rating1670.7
Curent Weighted rating1470.3
Curent Weighted performance1688.1
Current official/published rating (highest between Raw, WR and WP)1670.7
Current floor (min rating allowed)1170.7
Current highest rating achieved1670.7
Current K-factor28
Games played this month5
Score (S)2.5
Expected score (We)1.15
Difference (S-We)1.35
Current Raw change (no limits, including tournament time weight)31.4
Current min/max change allowed (with limits)±84.8
Current Raw change used (final)31.4
Projected new Raw rating1702.1
Projected new Weighed rating1495.9
Projected new Weighted performance1688.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1702.1
Projected effective change (new Official - current Official)+31.4
Projected new highest rating1702.1
Projected new floor1202.1
Projected new K-facor28
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 rating1674.6
Curent Weighted rating1453.6
Curent Weighted performance1663.6
Current official/published rating (highest between Raw, WR and WP)1674.6
Current floor (min rating allowed)1174.6
Current highest rating achieved1674.6
Current K-factor28
Games played this month5
Score (S)2.5
Expected score (We)1.08
Difference (S-We)1.42
Current Raw change (no limits, including tournament time weight)39.8
Current min/max change allowed (with limits)±84.3
Current Raw change used (final)39.8
Projected new Raw rating1714.4
Projected new Weighed rating1481.2
Projected new Weighted performance1663.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1714.4
Projected effective change (new Official - current Official)+39.8
Projected new highest rating1714.4
Projected new floor1214.4
Projected new K-facor28
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 rating1480.2
Curent Weighted rating1331.8
Curent Weighted performance1464.1
Current official/published rating (highest between Raw, WR and WP)1480.2
Current floor (min rating allowed)980.2
Current highest rating achieved1480.2
Current K-factor32
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)±111.2
Current Raw change used (final)0.0
Projected new Raw rating1480.2
Projected new Weighed rating1347.3
Projected new Weighted performance1464.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1480.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1480.2
Projected new floor980.2
Projected new K-facor32
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)980.2
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 floor980.2
Projected new K-facor36
Tournaments
Tournament: JMC Helpmekaar Kollege Tournament 2024 (A)
Start: 2024/05/04  End: 2024/05/04  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.5
Main rating: 1670.7  Rating gain/loss: 31.4
Type rating: 1674.6  Rating gain/loss: 39.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
13 JMC Helpmekaar Kollege Tournament 2024 (A) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1670.7 1674.6 Analysis
12 2024 Milos Ristic Open Chess Tournament (A) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1599.6 1559.5 Analysis
11 JCC King David Linksfield Rapid 2024 (A) 2024/04/21 2024/04/21 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 4.0 1599.6 1479.2 Analysis
10 First Knight Riders Junior Open 2024 (A+B) 2024/04/20 2024/04/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1599.6 1559.5 Analysis
9 Ekurhuleni Open 2024 (A) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1599.6 1559.5 Analysis
8 CPH St Andrew's Rapid 2024 (A) 2024/03/30 2024/03/30 Ekurhuleni (GE) Rapid 20 0.47 5 5 4.0 1608.2 1378.1 Analysis
7 1st Knights Open Tournament 2024 (B) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1608.2 1595.1 Analysis
6 2024 Chris Greyling Open Chess Tournament (B) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1608.2 1595.1 Analysis
5 Ekurhuleni North Chess Club Open Tournament 2024 (C) 2024/03/02 2024/03/02 Ehlanzeni (MEN) Rapid 30 0.60 7 7 6.0 1608.2 1378.1 Analysis
4 Chess Power House 1st Rapid 2024 (A) 2024/02/24 2024/02/24 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 4.5 1611.9 1346.8 Analysis
3 2024 Blou Bul Open Chess Tournament (B) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1611.9 1602.1 Analysis
2 JMC Kick Off Tournament 2024 (C) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1505.0 1500.6 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1505.0 1500.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
25 JMC Helpmekaar Kollege Tournament 2024 (A) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1670.7 1674.6 Analysis
24 2024 Milos Ristic Open Chess Tournament (A) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1599.6 1559.5 Analysis
23 JCC King David Linksfield Rapid 2024 (A) 2024/04/21 2024/04/21 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 4.0 1599.6 1479.2 Analysis
22 First Knight Riders Junior Open 2024 (A+B) 2024/04/20 2024/04/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1599.6 1559.5 Analysis
21 Ekurhuleni Open 2024 (A) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1599.6 1559.5 Analysis
20 CPH St Andrew's Rapid 2024 (A) 2024/03/30 2024/03/30 Ekurhuleni (GE) Rapid 20 0.47 5 5 4.0 1608.2 1378.1 Analysis
19 1st Knights Open Tournament 2024 (B) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1608.2 1595.1 Analysis
18 2024 Chris Greyling Open Chess Tournament (B) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1608.2 1595.1 Analysis
17 Ekurhuleni North Chess Club Open Tournament 2024 (C) 2024/03/02 2024/03/02 Ehlanzeni (MEN) Rapid 30 0.60 7 7 6.0 1608.2 1378.1 Analysis
16 Chess Power House 1st Rapid 2024 (A) 2024/02/24 2024/02/24 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 4.5 1611.9 1346.8 Analysis
15 2024 Blou Bul Open Chess Tournament (B) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1611.9 1602.1 Analysis
14 JMC Kick Off Tournament 2024 (C) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1505.0 1500.6 Analysis
13 2024 Gauteng Inter-Region Chess Championship (U14A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1505.0 1500.6 Analysis
12 Africawide Chess Championship 2023 (Open) 2023/11/03 2023/11/05 Johannesburg Metro (GJM) Standard 90 0.94 7 7 3.0 1521.8 1520.4 Analysis
11 2023 Tuks Open Chess Tournament (C) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 4 4.0 1500.0 1454.1 Analysis
10 Ekurhuleni Chess Spring Tournament 2023 (C) 2023/09/23 2023/09/23 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1506.9 1447.4 Analysis
9 Chess Power House 2023 (B) 2023/08/19 2023/08/19 Johannesburg Metro (GJM) Standard 90 0.94 5 5 3.5 1483.7 1408.7 Analysis
8 JMC Trinity Little Falls 2023 (C) 2023/07/02 2023/07/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1484.2 1392.5 Analysis
7 Boksburg Chess Club Rapid 2023 2023/06/20 2023/06/20 Ekurhuleni (GE) Rapid 30 0.60 5 5 4.0 1284.4 1200.0 Analysis
6 Ekurhuleni Chess Trial 3 2023 (U14) 2023/06/17 2023/06/17 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1284.4 1291.9 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 67 43 10 14 48.0 71.6 184.0 1494.1 1678.0
White 33 19 6 8 22.0 66.7 141.7 1512.8 1654.5
Black 34 24 4 6 26.0 76.5 225.0 1475.9 1700.9
Standard All 45 25 9 11 29.5 65.6 132.2 1537.8 1670.0
White 23 11 6 6 14.0 60.9 92.4 1550.2 1642.6
Black 22 14 3 5 15.5 70.5 173.9 1524.8 1698.7
Rapid All 22 18 1 3 18.5 84.1 289.8 1404.7 1694.5
White 10 8 0 2 8.0 80.0 255.0 1426.9 1681.9
Black 12 10 1 1 10.5 87.5 318.8 1386.3 1705.1
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 127 81 15 31 88.5 69.7 167.3 1428.8 1596.1
White 64 41 8 15 45.0 70.3 172.7 1442.5 1615.1
Black 63 40 7 16 43.5 69.0 161.9 1414.9 1576.8
Standard All 95 54 14 27 61.0 64.2 120.8 1442.9 1563.7
White 50 29 8 13 33.0 66.0 136.0 1453.3 1589.3
Black 45 25 6 14 28.0 62.2 103.9 1431.3 1535.2
Rapid All 32 27 1 4 27.5 85.9 305.5 1387.0 1692.4
White 14 12 0 2 12.0 85.7 303.6 1403.8 1707.4
Black 18 15 1 2 15.5 86.1 306.9 1373.8 1680.8
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 106066143 Waring, G (Gabriel) 3 2.5 2 1 0 83.3 1494.5 283.3 1777.9 View list
2 1110109195 Tema, O (Ofana) 3 1.0 1 0 2 33.3 1362.3 -141.7 1220.6 View list
3 211085191 Naidoo, K (Kajol) 3 0.0 0 0 3 0.0 1542.1 -425.0 1117.1 View list
4 1090116569 Gemmell, Z (Zac) 2 2.0 2 0 0 100.0 1448.2 425.0 1873.2 View list
5 1100147251 Redelinghuys, J (Julian) 2 2.0 2 0 0 100.0 1281.6 425.0 1706.6 View list
6 1140135557 Thorulsley, K (Kairaav) 2 2.0 2 0 0 100.0 1560.7 425.0 1985.7 View list
7 109080845 Tsai, R (Ray) 2 2.0 2 0 0 100.0 1547.8 425.0 1972.8 View list
8 1100141972 Mallach, M (Matthew) 2 1.5 1 1 0 75.0 1610.1 212.5 1822.6 View list
9 1130140205 Wessels, T (Theodore) 2 1.5 1 1 0 75.0 1541.9 212.5 1754.4 View list
10 1100143696 Songo, D (Divine) 2 1.0 1 0 1 50.0 1610.1 0.0 1610.1 View list
11 1110138263 Ryan, D (Declan) 2 1.0 0 2 0 50.0 1546.2 0.0 1546.2 View list
12 210088032 De Vasconcelos, T (Tiaana) 1 1.0 1 0 0 100.0 1506.9 425.0 1931.9 View list
13 1070143725 De Swardt, S (Stephan) 1 1.0 1 0 0 100.0 1608.2 425.0 2033.2 View list
14 1110140213 De Jager, G (Gideon) 1 1.0 1 0 0 100.0 1505.0 425.0 1930.0 View list
15 177005028 Cloete, WF (Willem) 1 1.0 1 0 0 100.0 1611.9 425.0 2036.9 View list
16 2110152990 Cilliers, M (Mine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 105052031 Du Toit, GJ (Gerhardus (Eghardt)) 1 1.0 1 0 0 100.0 1599.6 425.0 2024.6 View list
18 1070153444 Ballim, S (Salif) 1 1.0 1 0 0 100.0 1313.7 425.0 1738.7 View list
19 1100146706 Baijang, T (Tiego) 1 1.0 1 0 0 100.0 1284.4 425.0 1709.4 View list
20 1090130895 Arokiam, E (Ethan) 1 1.0 1 0 0 100.0 1611.9 425.0 2036.9 View list