Player Page

Bowman, L (Lian)
Dob: 2012/03/19 (U14)
Gender: Male
Chess SA id: 1120193621
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (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 rating1291.4
Curent Weighted rating1218.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1291.4
Current floor (min rating allowed)791.4
Current highest rating achieved1291.4
Current K-factor36
Games played this month5
Score (S)2.5
Expected score (We)2.61
Difference (S-We)-0.11
Current Raw change (no limits, including tournament time weight)-1.9
Current min/max change allowed (with limits)±145.6
Current Raw change used (final)-1.9
Projected new Raw rating1289.5
Projected new Weighed rating1225.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1289.5
Projected effective change (new Official - current Official)-1.9
Projected new highest rating1291.4
Projected new floor791.4
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 rating1251.8
Curent Weighted rating1213.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1251.8
Current floor (min rating allowed)772.0
Current highest rating achieved1272.0
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)±154.0
Current Raw change used (final)0.0
Projected new Raw rating1251.8
Projected new Weighed rating1217.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1251.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1272.0
Projected new floor772.0
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 rating1286.8
Curent Weighted rating1213.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1286.8
Current floor (min rating allowed)786.8
Current highest rating achieved1286.8
Current K-factor36
Games played this month5
Score (S)2.5
Expected score (We)2.55
Difference (S-We)-0.05
Current Raw change (no limits, including tournament time weight)-1.8
Current min/max change allowed (with limits)±146.5
Current Raw change used (final)-1.8
Projected new Raw rating1285.0
Projected new Weighed rating1219.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1285.0
Projected effective change (new Official - current Official)-1.8
Projected new highest rating1286.8
Projected new floor786.8
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)786.8
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 floor786.8
Projected new K-facor40
Tournaments
Tournament: Steinitz Chess Festival 2024 (U14)
Start: 2024/05/11  End: 2024/05/11  Host: WCT  Type: Rapid   Time: 20  Time weight: 0.47  Rounds: 5
Games: 5  Score: 2.5
Main rating: 1291.4  Rating gain/loss: -1.9
Type rating: 1286.8  Rating gain/loss: -1.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Steinitz Chess Festival 2024 (U14) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 2.5 1291.4 1286.8 Analysis
3 Cape Town Open Rapid Chess Championship 2024 (U12) 2024/03/16 2024/03/16 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1262.7 1200.0 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.5 1262.7 1272.0 Analysis
1 North District School Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Steinitz Chess Festival 2024 (U14) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 2.5 1291.4 1286.8 Analysis
3 Cape Town Open Rapid Chess Championship 2024 (U12) 2024/03/16 2024/03/16 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1262.7 1200.0 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.5 1262.7 1272.0 Analysis
1 North District School Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) 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 22 12 2 8 13.0 59.1 77.3 1314.2 1391.5
White 12 8 0 4 8.0 66.7 141.7 1312.5 1454.2
Black 10 4 2 4 5.0 50.0 0.0 1316.2 1316.2
Standard All 11 6 1 4 6.5 59.1 77.3 1281.5 1358.8
White 6 4 0 2 4.0 66.7 141.7 1303.5 1445.2
Black 5 2 1 2 2.5 50.0 0.0 1255.1 1255.1
Rapid All 11 6 1 4 6.5 59.1 77.3 1346.9 1424.2
White 6 4 0 2 4.0 66.7 141.7 1321.6 1463.2
Black 5 2 1 2 2.5 50.0 0.0 1377.3 1377.3
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 22 12 2 8 13.0 59.1 77.3 1314.2 1391.5
White 12 8 0 4 8.0 66.7 141.7 1312.5 1454.2
Black 10 4 2 4 5.0 50.0 0.0 1316.2 1316.2
Standard All 11 6 1 4 6.5 59.1 77.3 1281.5 1358.8
White 6 4 0 2 4.0 66.7 141.7 1303.5 1445.2
Black 5 2 1 2 2.5 50.0 0.0 1255.1 1255.1
Rapid All 11 6 1 4 6.5 59.1 77.3 1346.9 1424.2
White 6 4 0 2 4.0 66.7 141.7 1321.6 1463.2
Black 5 2 1 2 2.5 50.0 0.0 1377.3 1377.3
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 1110157967 Van Schalkwyk, C (Cameron) 2 2.0 2 0 0 100.0 1245.7 425.0 1670.7 View list
2 1110157085 Jansen, R (Riley) 2 0.5 0 1 1 25.0 1277.1 -212.5 1064.6 View list
3 1110150476 Cloete, L (Leonardo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1110156975 Brown, J (Joshua) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1120112770 Botha, E (Eduan) 1 1.0 1 0 0 100.0 1262.7 425.0 1687.7 View list
6 1120132089 Russell, C (Christopher) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1110158948 Miller, K (Kaiden) 1 1.0 1 0 0 100.0 1262.7 425.0 1687.7 View list
8 1120143639 Mabaso, A (Ahlumile) 1 1.0 1 0 0 100.0 1291.4 425.0 1716.4 View list
9 1130139482 Koert, D (Dane) 1 1.0 1 0 0 100.0 1262.7 425.0 1687.7 View list
10 1110146724 Bailey, Z (Zack) 1 1.0 1 0 0 100.0 1262.7 425.0 1687.7 View list
11 2130118022 Shapiro, H (Hannah) 1 1.0 1 0 0 100.0 1262.7 425.0 1687.7 View list
12 1130132170 Srivastava, P (Prakhar) 1 1.0 1 0 0 100.0 1262.7 425.0 1687.7 View list
13 1120137368 Sher, J (Jonah) 1 0.5 0 1 0 50.0 1291.4 0.0 1291.4 View list
14 1120138507 Shasha, I (Iyanda) 1 0.0 0 0 1 0.0 1262.7 -425.0 837.7 View list
15 1110146727 Schultz, O (Oliver) 1 0.0 0 0 1 0.0 1262.7 -425.0 837.7 View list
16 1110146858 Adolf, F (Feraydo) 1 0.0 0 0 1 0.0 1262.7 -425.0 837.7 View list
17 1110150425 Haman, R (Rico) 1 0.0 0 0 1 0.0 1291.4 -425.0 866.4 View list
18 1120132064 Fourie, R (Ruan) 1 0.0 0 0 1 0.0 1262.7 -425.0 837.7 View list
19 1110150421 Faure, D (Douglas) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 1120139311 Bessesen, J (Joakim) 1 0.0 0 0 1 0.0 1262.7 -425.0 837.7 View list