Player Page

Tsai, R (Ray)
Dob: 2009/10/25 (U16)
Gender: Male
Chess SA id: 109080845
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/08/31 (41 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 rating1349.9
Current Weighted rating1349.5
Current Weighted performance1246.2
Current official/published rating (highest between Raw, WR and WP)1349.9
Current highest rating achieved1386.6
Current floor (min rating allowed)886.6
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)±133.9
Current Raw change used (final)0.0
Projected new Raw rating1349.9
Projected new Weighed rating1241.8
Projected new Weighted performance1246.2
Projected new final Raw rating (if new WP > new Raw)1349.9
Projected new highest rating1386.6
Projected new floor886.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1349.9
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 rating1297.7
Current Weighted rating1300.5
Current Weighted performance1162.0
Current official/published rating (highest between Raw, WR and WP)1300.5
Current highest rating achieved1367.4
Current floor (min rating allowed)867.4
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)±144.3
Current Raw change used (final)0.0
Projected new Raw rating1297.7
Projected new Weighed rating1195.9
Projected new Weighted performance1162.0
Projected new final Raw rating (if new WP > new Raw)1297.7
Projected new highest rating1367.4
Projected new floor867.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1297.7
Projected effective change (new Official - current Official)-2.8
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 rating1008.6
Current Weighted rating883.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1008.6
Current highest rating achieved1008.6
Current floor (min rating allowed)508.6
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)±217.8
Current Raw change used (final)0.0
Projected new Raw rating1008.6
Projected new Weighed rating818.5
Projected new Weighted performance1028.6
Projected new final Raw rating (if new WP > new Raw)1028.6
Projected new highest rating1028.6
Projected new floor528.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1028.6
Projected effective change (new Official - current Official)+20.0
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 rating771.0
Current Weighted rating771.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)771.0
Current highest rating achieved771.8
Current floor (min rating allowed)500.0
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)±305.5
Current Raw change used (final)0.0
Projected new Raw rating771.0
Projected new Weighed rating709.3
Projected new Weighted performance126.3
Projected new final Raw rating (if new WP > new Raw)771.0
Projected new highest rating771.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)771.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 JCC Khelo India 1st Annual Chess Tournament 2024 (B) 2024/08/31 2024/08/31 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1365.7 1304.5 Analysis
3 Second Knight Riders Juniors Open Chess Tournament 2024 (A+B) 2024/06/08 2024/06/08 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.5 1369.9 1296.9 Analysis
2 Chess Power House 1st Rapid 2024 (A) 2024/02/24 2024/02/24 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 3.0 1331.0 789.8 Analysis
1 Gear Up Mzansi Rapid 2024 (Intermediate) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 3.5 1331.0 789.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
37 JCC Khelo India 1st Annual Chess Tournament 2024 (B) 2024/08/31 2024/08/31 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1365.7 1304.5 Analysis
36 Second Knight Riders Juniors Open Chess Tournament 2024 (A+B) 2024/06/08 2024/06/08 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.5 1369.9 1296.9 Analysis
35 Chess Power House 1st Rapid 2024 (A) 2024/02/24 2024/02/24 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 3.0 1331.0 789.8 Analysis
34 Gear Up Mzansi Rapid 2024 (Intermediate) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 3.5 1331.0 789.8 Analysis
33 Mzansi Bryanston Rapid 2023 (Intermediate) 2023/10/07 2023/10/07 Johannesburg Metro (GJM) Rapid 25 0.54 5 5 3.0 1320.5 670.6 Analysis
32 Chess Power House 2023 (B) 2023/08/19 2023/08/19 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.5 1323.9 1296.9 Analysis
31 JMC 1 St Peters 2023 (B) 2023/03/18 2023/03/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1370.8 1351.6 Analysis
30 JNW Helpmekaar 2022 (Challengers) 2022/07/09 2022/07/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1386.6 1367.4 Analysis
29 2019 South African Junior Team Championships (U12B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 5.5 1328.3 1313.8 Analysis
28 JNW Club - Maragon Open 2019 (C) 2019/08/03 2019/08/03 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1353.7 1343.0 Analysis
27 JHB Metro Closed 2019 (U12) 2019/07/27 2019/07/28 Johannesburg Metro (GJM) Standard 90 0.94 6 6 4.0 1248.8 1250.4 Analysis
26 Boksburg Chess Club Open 2019 (C) 2019/07/13 2019/07/13 Ekurhuleni (GE) Standard 60 0.83 5 5 4.5 1248.8 1250.4 Analysis
25 GoForChess Junior Chess Championships 2019 (U12) 2019/06/09 2019/06/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1167.6 1157.5 Analysis
24 Fonties Challange 2019 (U11) 2019/06/08 2019/06/08 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1167.6 1157.5 Analysis
23 2019 SWVG Arnold Classic (Blitz Open) 2019/05/19 2019/05/19 Tshwane (GTP) Blitz 5 0.18 10 3 0.0 1205.4 771.8 Analysis
22 JNW Club - Bryanston Open 2 2019 (C) 2019/05/11 2019/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1205.4 1198.5 Analysis
21 JNW Club - Charterhouse Open 2019 (C) 2019/04/13 2019/04/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1194.6 1183.7 Analysis
20 JNW Club - Trinityhouse Randpark Ridge Open 2019 (C) 2019/03/09 2019/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1217.0 1205.3 Analysis
19 JNW Club - Trinityhouse Little Falls Open 2019 (C) 2019/02/23 2019/02/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1243.3 1237.7 Analysis
18 2019 Constantia Park Open (C) 2019/02/09 2019/02/09 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1243.3 1237.7 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 19 10 2 7 11.0 57.9 67.1 1303.2 1370.4
White 8 4 2 2 5.0 62.5 106.3 1328.4 1434.7
Black 11 6 0 5 6.0 54.5 38.6 1284.9 1323.6
Standard All 9 4 1 4 4.5 50.0 0.0 1299.9 1299.9
White 4 1 1 2 1.5 37.5 -106.3 1331.7 1225.5
Black 5 3 0 2 3.0 60.0 85.0 1274.4 1359.4
Rapid All 10 6 1 3 6.5 65.0 127.5 1306.3 1433.8
White 4 3 1 0 3.5 87.5 318.8 1325.2 1643.9
Black 6 3 0 3 3.0 50.0 0.0 1293.7 1293.7
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 189 106 19 64 115.5 61.1 94.4 1142.3 1236.8
White 92 48 7 37 51.5 56.0 50.8 1145.5 1196.3
Black 97 58 12 27 64.0 66.0 135.8 1139.3 1275.1
Standard All 164 92 18 54 101.0 61.6 98.5 1118.9 1217.4
White 80 42 6 32 45.0 56.3 53.1 1122.9 1176.0
Black 84 50 12 22 56.0 66.7 141.7 1115.1 1256.8
Rapid All 15 9 1 5 9.5 63.3 113.3 1311.2 1424.5
White 6 3 1 2 3.5 58.3 70.8 1298.9 1369.8
Black 9 6 0 3 6.0 66.7 141.7 1319.3 1461.0
Blitz All 10 5 0 5 5.0 50.0 0.0 1273.3 1273.3
White 6 3 0 3 3.0 50.0 0.0 1293.3 1293.3
Black 4 2 0 2 2.0 50.0 0.0 1243.2 1243.2
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 209092675 Ramlall, S (Sanjana) 7 1.5 1 1 5 21.4 1112.3 -242.9 869.5 View list
2 111092705 Moonsammy, E (Ethan) 3 3.0 3 0 0 100.0 911.5 425.0 1336.5 View list
3 108073208 Steyn, T (Tjaart) 3 2.0 1 2 0 66.7 1185.7 141.7 1327.4 View list
4 109081098 Naidoo, K (Kirthan) 3 1.0 0 2 1 33.3 1109.8 -141.7 968.1 View list
5 102080948 Van Stryp, O (Ockert) 3 0.5 0 1 2 16.7 1218.3 -283.3 935.0 View list
6 110091706 Levitan, C (Caleb) 3 0.0 0 0 3 0.0 1260.7 -425.0 835.7 View list
7 109059744 Voigt, D (Daniel) 3 0.0 0 0 3 0.0 1008.3 -425.0 583.3 View list
8 107076704 Barnes, J (Jock) 2 2.0 2 0 0 100.0 1263.3 425.0 1688.3 View list
9 109073284 Sandenbergh, RF (Francois) 2 2.0 2 0 0 100.0 672.3 425.0 1097.3 View list
10 110091702 Van Heerden, F (Freddie) 2 2.0 2 0 0 100.0 797.4 425.0 1222.3 View list
11 1090105696 Barradas, K (Keanu) 2 1.5 1 1 0 75.0 1309.8 212.5 1522.3 View list
12 204079859 Fauconier, C (Caley) 2 1.0 1 0 1 50.0 1200.2 0.0 1200.2 View list
13 1090116569 Gemmell, Z (Zac) 2 1.0 1 0 1 50.0 1331.0 0.0 1331.0 View list
14 109086017 Roetz, K (Kyle) 2 1.0 1 0 1 50.0 938.0 0.0 938.0 View list
15 1130140204 Sehloho, T (Thandolwethu) 2 1.0 0 2 0 50.0 1350.5 0.0 1350.5 View list
16 1100151738 Combrink, J (Juan-Louis) 2 0.0 0 0 2 0.0 1327.5 -425.0 902.5 View list
17 108073207 Horn, E (Evan) 2 0.0 0 0 2 0.0 1301.3 -425.0 876.3 View list
18 209076633 Scullard, S (Sienne) 2 0.0 0 0 2 0.0 995.5 -425.0 570.5 View list
19 109080728 Spamers, V (Vinaldo) 2 0.0 0 0 2 0.0 872.9 -425.0 447.9 View list
20 109067361 Baboo, MS (Muhammad) 1 1.0 1 0 0 100.0 1303.9 425.0 1728.9 View list