Player Page

Berry, R (Ryan)
Dob: 2009/03/31 (U16)
Gender: Male
Chess SA id: 1090115418
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (18 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 rating1345.9
Current Weighted rating1249.6
Current Weighted performance1337.1
Current official/published rating (highest between Raw, WR and WP)1345.9
Current highest rating achieved1351.5
Current floor (min rating allowed)851.5
Current K-factor36
Games played this month11
Score (S)3.5
Expected score (We)4.35
Difference (S-We)-0.75
Current Raw change (no limits, including tournament time weight)-27.1
Current min/max change allowed (with limits)±134.7
Current Raw change used (final)-27.1
Projected new Raw rating1318.8
Projected new Weighed rating1150.9
Projected new Weighted performance1319.6
Projected new final Raw rating (if new WP > new Raw)1319.6
Projected new highest rating1351.5
Projected new floor851.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1319.6
Projected effective change (new Official - current Official)-26.3
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 rating1362.4
Current Weighted rating1258.1
Current Weighted performance1337.1
Current official/published rating (highest between Raw, WR and WP)1362.4
Current highest rating achieved1378.6
Current floor (min rating allowed)878.6
Current K-factor36
Games played this month11
Score (S)3.5
Expected score (We)4.59
Difference (S-We)-1.09
Current Raw change (no limits, including tournament time weight)-39.2
Current min/max change allowed (with limits)±131.6
Current Raw change used (final)-39.2
Projected new Raw rating1323.2
Projected new Weighed rating1158.9
Projected new Weighted performance1319.6
Projected new final Raw rating (if new WP > new Raw)1323.2
Projected new highest rating1378.6
Projected new floor878.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1323.2
Projected effective change (new Official - current Official)-39.2
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
Tournament: 2024 Etienne Lewis (U16)
Start: 2024/08/30  End: 2024/09/01  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 7
Games: 7  Score: 2.0
Main rating: 1345.9  Rating gain/loss: -14.6
Type rating: 1362.4  Rating gain/loss: -20.9
Analysis
Tournament: Gauteng Schools Individuals Finals 2024 (U15 Boys)
Start: 2024/08/17  End: 2024/08/17  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 4
Games: 4  Score: 1.5
Main rating: 1345.9  Rating gain/loss: -12.5
Type rating: 1362.4  Rating gain/loss: -18.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1345.9 1362.4 Analysis
5 Gauteng Schools Individuals Finals 2024 (U15 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 4 1.5 1345.9 1362.4 Analysis
4 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1351.5 1378.6 Analysis
3 2024 Tshwane North School District Cluster 4 & 5 Team League (U15) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1308.8 1329.6 Analysis
2 2024 Tshwane North School District CLOSED Individual Champioships (U15 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1215.3 1218.4 Analysis
1 District 3 Cluster 4 and 5 Individuals 2024 (U15 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1215.3 1218.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1345.9 1362.4 Analysis
6 Gauteng Schools Individuals Finals 2024 (U15 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 4 1.5 1345.9 1362.4 Analysis
5 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1351.5 1378.6 Analysis
4 2024 Tshwane North School District Cluster 4 & 5 Team League (U15) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1308.8 1329.6 Analysis
3 2024 Tshwane North School District CLOSED Individual Champioships (U15 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1215.3 1218.4 Analysis
2 District 3 Cluster 4 and 5 Individuals 2024 (U15 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1215.3 1218.4 Analysis
1 D3 Primary School League Cluster 4 2019 (U11) 2019/05/11 2019/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 31 16 4 11 18.0 58.1 68.5 1326.9 1395.4
White 15 8 2 5 9.0 60.0 85.0 1298.5 1383.5
Black 16 8 2 6 9.0 56.3 53.1 1353.5 1406.6
Standard All 31 16 4 11 18.0 58.1 68.5 1326.9 1395.4
White 15 8 2 5 9.0 60.0 85.0 1298.5 1383.5
Black 16 8 2 6 9.0 56.3 53.1 1353.5 1406.6
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 36 19 4 13 21.0 58.3 70.8 1309.3 1380.1
White 18 10 2 6 11.0 61.1 94.4 1282.1 1376.5
Black 18 9 2 7 10.0 55.6 47.2 1336.4 1383.7
Standard All 36 19 4 13 21.0 58.3 70.8 1309.3 1380.1
White 18 10 2 6 11.0 61.1 94.4 1282.1 1376.5
Black 18 9 2 7 10.0 55.6 47.2 1336.4 1383.7
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 1090303399 Potgieter, E (Erico) 2 2.0 2 0 0 100.0 1215.3 425.0 1640.3 View list
2 109088593 Van Heerden, PJA (Paul Johan Alexander) 2 0.5 0 1 1 25.0 1262.0 -212.5 1049.5 View list
3 1090303393 Moukangwe, K (Kwano) 1 1.0 1 0 0 100.0 1308.8 425.0 1733.8 View list
4 1100303717 Monyai, O (Oratile) 1 1.0 1 0 0 100.0 1215.3 425.0 1640.3 View list
5 1120149158 Fraser, J (Jacobus) 1 1.0 1 0 0 100.0 1351.5 425.0 1776.5 View list
6 1090115438 Early, A (Antony) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1100148660 Mmakou, L (Lesedi) 1 1.0 1 0 0 100.0 1215.3 425.0 1640.3 View list
8 1120159752 Anderson, G (Gideon Petrus Van Andel) 1 1.0 1 0 0 100.0 1351.5 425.0 1776.5 View list
9 1100156073 Masombukha, L (Lihle) 1 1.0 1 0 0 100.0 1215.3 425.0 1640.3 View list
10 1100303714 Maretela, A (Adam) 1 1.0 1 0 0 100.0 1215.3 425.0 1640.3 View list
11 1090301107 Ligomeka, E (Emmanuel) 1 1.0 1 0 0 100.0 1308.8 425.0 1733.8 View list
12 1100303385 Kleinschmidt, V (Victor) 1 1.0 1 0 0 100.0 1215.3 425.0 1640.3 View list
13 1090310550 Kirkwood, K (Kayden) 1 1.0 1 0 0 100.0 1345.9 425.0 1770.9 View list
14 1090115408 Jansen Van Rensburg, MG (Marthinus) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1090303381 Hurter, M (Mathew) 1 1.0 1 0 0 100.0 1215.3 425.0 1640.3 View list
16 2100115599 Potgieter, W (Wilmari) 1 1.0 1 0 0 100.0 1308.8 425.0 1733.8 View list
17 2100159429 Ramonyai, M (Motshabo) 1 1.0 1 0 0 100.0 1351.5 425.0 1776.5 View list
18 1090115440 Rojasi, B (Brent) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1090136201 Seitei, N (Neo) 1 1.0 1 0 0 100.0 1345.9 425.0 1770.9 View list
20 1090098574 Gounder, A (Arun) 1 0.5 0 1 0 50.0 1345.9 0.0 1345.9 View list