Player Page

Schaafsma, A (Andrew)
Dob: 2005/12/20 (U20)
Gender: Male
Chess SA id: 1050117171
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/05/29 (394 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 rating1190.0
Current Weighted rating1176.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1190.0
Current highest rating achieved1190.0
Current floor (min rating allowed)690.0
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)±168.2
Current Raw change used (final)0.0
Projected new Raw rating1190.0
Projected new Weighed rating1083.7
Projected new Weighted performance837.1
Projected new final Raw rating (if new WP > new Raw)1190.0
Projected new highest rating1190.0
Projected new floor690.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1190.0
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 rating1195.6
Current Weighted rating1178.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1195.6
Current highest rating achieved1195.6
Current floor (min rating allowed)695.6
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)±166.9
Current Raw change used (final)0.0
Projected new Raw rating1195.6
Projected new Weighed rating1085.4
Projected new Weighted performance837.1
Projected new final Raw rating (if new WP > new Raw)1195.6
Projected new highest rating1195.6
Projected new floor695.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1195.6
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Steyn City School Chess League 2023 (A) 2023/05/05 2023/05/29 Johannesburg Metro (GJM) Standard 60 0.83 6 5 4.5 1104.0 1087.6 Analysis
3 Dainfern College Chess League 2023 (A) 2023/01/30 2023/03/13 Johannesburg Metro (GJM) Standard 60 0.83 6 5 1.0 1123.3 1105.6 Analysis
2 Ekurhuleni Chess Chessa Open 2021 (B) 2021/03/27 2021/03/27 Ekurhuleni (GE) Standard 60 0.83 5 5 0.0 1176.1 1172.4 Analysis
1 JHB North High School League 2019 2019/02/19 2019/07/22 Chess Excellence (CEX) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 20 7 1 12 7.5 37.5 -106.3 1242.7 1136.5
White 9 1 1 7 1.5 16.7 -283.3 1264.4 981.1
Black 11 6 0 5 6.0 54.5 38.6 1224.9 1263.6
Standard All 20 7 1 12 7.5 37.5 -106.3 1242.7 1136.5
White 9 1 1 7 1.5 16.7 -283.3 1264.4 981.1
Black 11 6 0 5 6.0 54.5 38.6 1224.9 1263.6
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1050117139 Yende, B (Bonga) 2 1.5 1 1 0 75.0 1152.0 212.5 1364.5 View list
2 1050153736 Dullabh, S (Shivay) 1 1.0 1 0 0 100.0 1104.0 425.0 1529.0 View list
3 1070153733 Dixon, A (Alex) 1 1.0 1 0 0 100.0 1123.3 425.0 1548.3 View list
4 1050117207 Chalmers, G (Gabriel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1090136702 Jacob, AK (Abishai) 1 1.0 1 0 0 100.0 1104.0 425.0 1529.0 View list
6 1050153743 Khutsone, T (Tshireletso) 1 1.0 1 0 0 100.0 1104.0 425.0 1529.0 View list
7 1070153750 Mufandaidza, A (Anashe Stefan) 1 1.0 1 0 0 100.0 1104.0 425.0 1529.0 View list
8 1900133959 Zhou, A (Author) 1 0.0 0 0 1 0.0 1176.1 -425.0 751.1 View list
9 1030117170 Venter, L (Liam) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1090147255 Swartz, K (Kent Pierre) 1 0.0 0 0 1 0.0 1123.3 -425.0 698.3 View list
11 1110119754 Sun, Q (Qiyuan) 1 0.0 0 0 1 0.0 1123.3 -425.0 698.3 View list
12 209092675 Ramlall, S (Sanjana) 1 0.0 0 0 1 0.0 1123.3 -425.0 698.3 View list
13 1080152480 Pagenkopf, C (Christian) 1 0.0 0 0 1 0.0 1123.3 -425.0 698.3 View list
14 1040118310 Nzdombane, M (Mbulelo) 1 0.0 0 0 1 0.0 1176.1 -425.0 751.1 View list
15 107086151 Nkosi, S (Siphesihle) 1 0.0 0 0 1 0.0 1176.1 -425.0 751.1 View list
16 107093194 Motshoane, R (Rorisang) 1 0.0 0 0 1 0.0 1176.1 -425.0 751.1 View list
17 1050117178 Mokgonyane, R (Rapha) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1070107792 Jaitas, K (Kittisak) 1 0.0 0 0 1 0.0 1176.1 -425.0 751.1 View list
19 101009608 Fok, J (Johnny) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list