Player Page

Mahlatsi, B (Boitumelo)
Dob: 2007/07/30 (U18)
Gender: Female
Chess SA id: 2070146951
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/09/28 (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
Current Raw rating1257.6
Current Weighted rating1248.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1257.6
Current highest rating achieved1257.6
Current floor (min rating allowed)757.6
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)±152.8
Current Raw change used (final)0.0
Projected new Raw rating1257.6
Projected new Weighed rating1148.6
Projected new Weighted performance714.4
Projected new final Raw rating (if new WP > new Raw)1257.6
Projected new highest rating1257.6
Projected new floor757.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1257.6
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 rating1263.2
Current Weighted rating1256.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1263.2
Current highest rating achieved1263.2
Current floor (min rating allowed)763.2
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)±151.5
Current Raw change used (final)0.0
Projected new Raw rating1263.2
Projected new Weighed rating1156.1
Projected new Weighted performance714.4
Projected new final Raw rating (if new WP > new Raw)1263.2
Projected new highest rating1263.2
Projected new floor763.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1263.2
Projected effective change (new Official - current Official)=0.0
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 South Africa National Schools Chess Championship (U18 Girls) 2024/09/27 2024/09/28 Nelson Mandela Bay (ENM) Standard 70 0.87 7 7 3.0 1247.6 1256.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 2024 South Africa National Schools Chess Championship (U18 Girls) 2024/09/27 2024/09/28 Nelson Mandela Bay (ENM) Standard 70 0.87 7 7 3.0 1247.6 1256.0 Analysis
1 Kiriakos Michalakis Chess Festival 2022 (B) 2022/09/24 2022/09/24 Mangaung (FMB) Standard 65 0.85 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 7 2 2 3 3.0 42.9 -60.7 1353.3 1292.6
White 4 1 2 1 2.0 50.0 0.0 1301.5 1301.5
Black 3 1 0 2 1.0 33.3 -141.7 1422.5 1280.9
Standard All 7 2 2 3 3.0 42.9 -60.7 1353.3 1292.6
White 4 1 2 1 2.0 50.0 0.0 1301.5 1301.5
Black 3 1 0 2 1.0 33.3 -141.7 1422.5 1280.9
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 12 6 2 4 7.0 58.3 70.8 1279.2 1350.1
White 6 3 2 1 4.0 66.7 141.7 1267.6 1409.3
Black 6 3 0 3 3.0 50.0 0.0 1290.8 1290.8
Standard All 12 6 2 4 7.0 58.3 70.8 1279.2 1350.1
White 6 3 2 1 4.0 66.7 141.7 1267.6 1409.3
Black 6 3 0 3 3.0 50.0 0.0 1290.8 1290.8
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 208078559 Van Zyl, M (Mea) 1 1.0 1 0 0 100.0 1247.6 425.0 1672.6 View list
2 1060146982 Thejane, S (Sekoele) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2090146980 Tau, R (Relebohile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1080146979 Tau, L (Lefa) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1080100506 Seutloali, K (Kananelo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 2080103387 Mmako, FP (Fihile) 1 1.0 1 0 0 100.0 1247.6 425.0 1672.6 View list
7 2070100937 Maseko, U (Unathi) 1 0.5 0 1 0 50.0 1247.6 0.0 1247.6 View list
8 2070145129 Lekgabe, O (Olaotse Ipeleng) 1 0.5 0 1 0 50.0 1247.6 0.0 1247.6 View list
9 2080134836 Biyela, A (Amahle) 1 0.0 0 0 1 0.0 1247.6 -425.0 822.6 View list
10 206059032 Rabkin, S (Samantha) 1 0.0 0 0 1 0.0 1247.6 -425.0 822.6 View list
11 2070148507 Motswiane, V (Vanessa) 1 0.0 0 0 1 0.0 1247.6 -425.0 822.6 View list
12 1100146963 Monteoa, L (Lebogang) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list