Player Page

Zhou, A (Author)
Dob: 1990/11/23 (Adult)
Gender: Male
Chess SA id: 1900133959
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/03/30 (240 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 rating1180.1
Current Weighted rating1187.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1187.5
Current highest rating achieved1212.6
Current floor (min rating allowed)712.6
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)±170.6
Current Raw change used (final)0.0
Projected new Raw rating1180.1
Projected new Weighed rating1092.7
Projected new Weighted performance488.0
Projected new final Raw rating (if new WP > new Raw)1180.1
Projected new highest rating1212.6
Projected new floor712.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1180.1
Projected effective change (new Official - current Official)-7.4
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 rating1136.0
Current Weighted rating1152.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1152.6
Current highest rating achieved1165.2
Current floor (min rating allowed)665.2
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)±181.6
Current Raw change used (final)0.0
Projected new Raw rating1136.0
Projected new Weighed rating1060.0
Projected new Weighted performance488.0
Projected new final Raw rating (if new WP > new Raw)1136.0
Projected new highest rating1165.2
Projected new floor665.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1136.0
Projected effective change (new Official - current Official)-16.6
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 rating1300.0
Current Weighted rating1269.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.0
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.0
Projected new Weighed rating1170.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.0
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 rating1248.9
Current Weighted rating1254.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1254.3
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
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)±154.7
Current Raw change used (final)0.0
Projected new Raw rating1248.9
Projected new Weighed rating1155.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1248.9
Projected effective change (new Official - current Official)-5.4
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Lawley Chess Tournament 2024 2024/03/30 2024/03/30 Johannesburg Metro (GJM) Standard 60 0.83 7 7 2.5 1212.6 1165.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Lawley Chess Tournament 2024 2024/03/30 2024/03/30 Johannesburg Metro (GJM) Standard 60 0.83 7 7 2.5 1212.6 1165.2 Analysis
1 Ekurhuleni Chess Chessa Open 2021 (B) 2021/03/27 2021/03/27 Ekurhuleni (GE) Standard 60 0.83 5 5 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 7 2 1 4 2.5 35.7 -121.4 1213.6 1092.1
White 4 1 1 2 1.5 37.5 -106.3 1220.7 1114.4
Black 3 1 0 2 1.0 33.3 -141.7 1204.1 1062.4
Standard All 7 2 1 4 2.5 35.7 -121.4 1213.6 1092.1
White 4 1 1 2 1.5 37.5 -106.3 1220.7 1114.4
Black 3 1 0 2 1.0 33.3 -141.7 1204.1 1062.4
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 3 1 8 3.5 29.2 -177.1 1258.2 1081.1
White 6 2 1 3 2.5 41.7 -70.8 1242.7 1171.8
Black 6 1 0 5 1.0 16.7 -283.3 1273.8 990.4
Standard All 12 3 1 8 3.5 29.2 -177.1 1258.2 1081.1
White 6 2 1 3 2.5 41.7 -70.8 1242.7 1171.8
Black 6 1 0 5 1.0 16.7 -283.3 1273.8 990.4
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 1070303010 Williams, S (Shepard) 1 1.0 1 0 0 100.0 1212.6 425.0 1637.6 View list
2 1960133644 Williams, M (Mohua Benton) 1 1.0 1 0 0 100.0 1212.6 425.0 1637.6 View list
3 1050117171 Schaafsma, A (Andrew) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 162028606 Nyirenda, SS (Stanford) 1 0.5 0 1 0 50.0 1212.6 0.0 1212.6 View list
5 1880303009 Terblanche, L (Lione) 1 0.0 0 0 1 0.0 1212.6 -425.0 787.6 View list
6 1050190874 Mazibuko, S (Sanele) 1 0.0 0 0 1 0.0 1212.6 -425.0 787.6 View list
7 1040143505 Mashale, N (Nsuku) 1 0.0 0 0 1 0.0 1212.6 -425.0 787.6 View list
8 106066129 Macdonald, B (Brandon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 210092704 Deysel, H (Hannah) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1070162517 Damari, M (Mpho) 1 0.0 0 0 1 0.0 1212.6 -425.0 787.6 View list
11 1920104016 Congolo, S (Sipho) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 208067323 Aldum, C (Carla) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list