Player Page

Koshy, D (Don)
Dob: 2002/01/03 (Adult)
Gender: Male
Chess SA id: 102067533
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2019/02/23 (1912 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 rating1157.1
Curent Weighted rating1157.1
Curent Weighted performance340.4
Current official/published rating (highest between Raw, WR and WP)1157.1
Current floor (min rating allowed)657.1
Current highest rating achieved1157.1
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)±176.3
Current Raw change used (final)0.0
Projected new Raw rating1157.1
Projected new Weighed rating1157.1
Projected new Weighted performance340.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1157.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1157.1
Projected new floor657.1
Projected new K-facor40
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 rating1161.5
Curent Weighted rating1161.5
Curent Weighted performance340.8
Current official/published rating (highest between Raw, WR and WP)1161.5
Current floor (min rating allowed)661.5
Current highest rating achieved1161.5
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)±175.2
Current Raw change used (final)0.0
Projected new Raw rating1161.5
Projected new Weighed rating1161.5
Projected new Weighted performance340.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1161.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1161.5
Projected new floor661.5
Projected new K-facor40
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 rating805.6
Curent Weighted rating805.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)805.6
Current floor (min rating allowed)500.0
Current highest rating achieved805.6
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)±290.8
Current Raw change used (final)0.0
Projected new Raw rating805.6
Projected new Weighed rating805.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)805.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating805.6
Projected new floor500.0
Projected new K-facor40
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 rating805.6
Curent Weighted rating805.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)805.6
Current floor (min rating allowed)500.0
Current highest rating achieved805.6
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)±290.8
Current Raw change used (final)0.0
Projected new Raw rating805.6
Projected new Weighed rating805.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)805.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating805.6
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Grey College Team Championship 2019 (B) 2019/02/22 2019/02/23 Mangaung (FMB) Standard 60 0.83 5 4 3.0 1128.2 1126.7 Analysis
6 East London School League 2018 (High School) 2018/08/18 2018/08/18 Buffalo City (EBC) Standard 60 0.83 5 4 2.0 1141.8 1143.1 Analysis
5 Buffalo Trails 3rd 2018 (U18A-Adult) 2018/03/25 2018/03/25 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 919.9 940.8 Analysis
4 2nd Buffalo Trials 2018 (U18A) 2018/03/03 2018/03/03 Buffalo City (EBC) Standard 60 0.83 5 5 3.0 919.9 940.8 Analysis
3 Grey College Inter Team Chess Tournament 2018 (B) 2018/02/23 2018/02/24 Mangaung (FMB) Standard 60 0.83 5 5 4.5 817.6 817.6 Analysis
2 Buffalo City 1st Chess Trials 2018 (U18A) 2018/02/03 2018/02/03 Buffalo City (EBC) Standard 60 0.83 5 5 2.0 817.6 817.6 Analysis
1 South African Junior Team Championships 2017 (U16A) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 1.0 805.6 805.6 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 35 17 3 15 18.5 52.9 24.3 1096.8 1121.1
White 19 9 2 8 10.0 52.6 22.4 1021.3 1043.7
Black 16 8 1 7 8.5 53.1 26.6 1186.5 1213.1
Standard All 35 17 3 15 18.5 52.9 24.3 1096.8 1121.1
White 19 9 2 8 10.0 52.6 22.4 1021.3 1043.7
Black 16 8 1 7 8.5 53.1 26.6 1186.5 1213.1
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 105056702 Deang, A (Alman) 2 0.0 0 0 2 0.0 1030.8 -425.0 605.8 View list
2 196089879 Kafile, K (Khangelani) 1 1.0 1 0 0 100.0 919.9 425.0 1344.9 View list
3 100065366 Jayakody, D (Don) 1 1.0 1 0 0 100.0 919.9 425.0 1344.9 View list
4 102016153 Kolisi, M (Mbasa) 1 1.0 1 0 0 100.0 817.6 425.0 1242.6 View list
5 1020096193 Mancoda, B (Buthanani) 1 1.0 1 0 0 100.0 817.6 425.0 1242.6 View list
6 1050109762 Ledwaba, K (Kheino) 1 1.0 1 0 0 100.0 1128.2 425.0 1553.2 View list
7 1970097970 Mawisa, A (Abenathi) 1 1.0 1 0 0 100.0 919.9 425.0 1344.9 View list
8 100091477 Fekade, G (Gcisa) 1 1.0 1 0 0 100.0 919.9 425.0 1344.9 View list
9 100012216 Henderson, T (Tristan) 1 1.0 1 0 0 100.0 1141.8 425.0 1566.8 View list
10 101005842 Curgenven, B (Byron) 1 1.0 1 0 0 100.0 817.6 425.0 1242.6 View list
11 204003257 Bouwer, D (Dane) 1 1.0 1 0 0 100.0 817.6 425.0 1242.6 View list
12 1000098740 Mercer, M (Michael) 1 1.0 1 0 0 100.0 817.6 425.0 1242.6 View list
13 1020109754 Mungal, S (Shail) 1 1.0 1 0 0 100.0 1128.2 425.0 1553.2 View list
14 201076063 Mxaxa, U (Unam) 1 1.0 1 0 0 100.0 817.6 425.0 1242.6 View list
15 194089877 Nguqu, A (Abongile) 1 1.0 1 0 0 100.0 919.9 425.0 1344.9 View list
16 102030639 Potgieter, J (Juwen) 1 1.0 1 0 0 100.0 805.6 425.0 1230.6 View list
17 1020109768 Sibanda, M (Mitchell) 1 1.0 1 0 0 100.0 1128.2 425.0 1553.2 View list
18 200035747 Sotshongaye, AM (Alizwa) 1 1.0 1 0 0 100.0 1141.8 425.0 1566.8 View list
19 100001076 Bahlmann, E (Ethan) 1 0.5 0 1 0 50.0 919.9 0.0 919.9 View list
20 101000687 Antony, R (Rithik) 1 0.5 0 1 0 50.0 919.9 0.0 919.9 View list