PLAYER PAGE
Personal

Goldstuck, Z (Zianda Chelsea)
Chess SA id
202010660FIDE id
?Date of birth
2002-03-05 (Adult)Gender
FemaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
CPAChess SA registered
NoLast active game
2020-01-08Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1120.9 | 1109.3 | 814 | 814 |
Raw rating | 1120.9 | 1109.3 | 814 | 814 |
Weighted rating | 1120.9 | 1109.3 | 814 | 814 |
Weighted performance | 266.9 | 265.4 | 0 | 0 |
Floor | 741.3 | 740.7 | 500 | 500 |
K-factor | 36 | 36 | 40 | 40 |
Min/Max rating change allowed | 185.6 | 188.7 | 287.4 | 287.4 |
Highest rating | 1254.62019-07-01 | 1251.92019-07-01 | 12002024-02-01 | 12002024-02-01 |
Highest raw rating | 1241.32019-08-01 | 1240.72019-08-01 | 8142024-02-01 | 8142024-02-01 |
Highest weighted rating | 1241.32024-11-01 | 1240.72024-11-01 | 8142024-11-01 | 8142024-11-01 |
Highest weighted performance | 1254.62019-07-01 | 1251.92019-07-01 | 12002024-02-01 | 12002024-02-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1120.9 | 1109.3 | 814 | 814 |
Analysis | ||||
Rating | 1120.9 | 1109.3 | 814 | 814 |
Raw rating | 1120.9 | 1109.3 | 814 | 814 |
Weighted rating | 1120.9 | 1109.3 | 814 | |
Weighted performance | 266.9 | 265.4 | 0 | |
K-factor | 36 | 36 | 40 | 40 |
Floor | 741.3 | 740.7 | 500 | 500 |
Max/Min rating change allowed | 185.6 | 188.7 | 287.4 | 287.4 |
Games | 0 | 0 | 0 | 0 |
Score | 0 | 0 | 0 | 0 |
Expected score | 0 | 0 | 0 | 0 |
Score-Expected | 0 | 0 | 0 | 0 |
Temp raw +/- | 0 | 0 | 0 | 0 |
Final raw +/- | 0 | 0 | 0 | 0 |
New raw rating | 1120.9 | 1109.3 | 814 | 814 |
New weighted rating | 1120.9 | 1109.3 | 814 | 814 |
New weighted performance | 266.5 | 265 | 0 | 0 |
Temp new rating | 1120.9 | 1109.3 | 814 | 814 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1120.9 | 1109.3 | 814 | 814 |
New K-factor | 36 | 36 | 40 | 40 |
New floor | 741.3 | 740.7 | 500 | 500 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 195 | 189 | 6 | 0 |
Games since | |||||||||||||||||
Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Female | ||||||||||||||||
Age group | Adult | ||||||||||||||||
Region | Johannesburg Metro (GJM) | ||||||||||||||||
Province | Gauteng (GT) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Female | -1 | -1 | -1 | ||||||||||||||
Adult | -1 | -1 | -1 | ||||||||||||||
Adult Female | -1 | -1 | -1 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Female | -1 | -1 | -1 | ||||||||||||||
Adult | -1 | -1 | -1 | ||||||||||||||
Adult Female | -1 | -1 | -1 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Female | -1 | -1 | -1 | ||||||||||||||
Adult | -1 | -1 | -1 | ||||||||||||||
Adult Female | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Female | -1 | -1 | -1 | ||||||||||||||
Adult | -1 | -1 | -1 | ||||||||||||||
Adult Female | -1 | -1 | -1 |
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 0 | 0 | 0 | 0 | 0 | 0 |
Standard | 0 | 0 | 0 | 0 | 0 | 0 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 0 | 0 | 0 | 0 | 0 | 0 |
Standard | 0 | 0 | 0 | 0 | 0 | 0 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
History | ||||||
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 87 | 39.5 | 45.4 | -39.1 | 1122.3 | 1083.2 |
Standard | 87 | 39.5 | 45.4 | -39.1 | 1122.3 | 1083.2 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1120.9 | 1109.3 | 814 | 814 |
2025-09-01 | 1120.9 | 1109.3 | 814 | 814 |
2025-08-01 | 1120.9 | 1109.3 | 814 | 814 |
2025-07-01 | 1120.9 | 1109.3 | 814 | 814 |
2025-06-01 | 1120.9 | 1109.3 | 814 | 814 |
2025-05-01 | 1120.9 | 1109.3 | 814 | 814 |
2025-04-01 | 1120.9 | 1109.3 | 814 | 814 |
2025-03-01 | 1120.9 | 1109.3 | 814 | 814 |
2025-02-01 | 1120.9 | 1109.3 | 814 | 814 |
2025-01-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-12-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-11-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-10-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-09-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-08-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-07-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-06-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-08-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-04-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-03-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-02-01 | 1120.9 | 1109.3 | 814 | 814 |
2024-01-01 | 1120.9 | 1109.3 | 814 | 814 |
2023-12-01 | 1120.9 | 1109.3 | 814 | 814 |
2023-11-01 | 1120.9 | 1109.3 | 814 | 814 |
Comming soon.
Tournaments
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
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# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
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Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2019 South African Junior Team Championships (U18B) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 1 | Yes | Analysis |
2 | GJM vs GE Inter Region 2019 (U18B) | 2019-10-05 | 2019-10-05 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1 | Yes | Analysis |
3 | JHB Metro Closed 2019 (Open) | 2019-07-27 | 2019-07-28 | Standard | Johannesburg Metro (GJM) | 6 | 6 | 1.5 | Yes | Analysis |
4 | Chessnuts Under 1200 Rated Tournament 2019 (Kings) | 2019-07-13 | 2019-07-13 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
5 | JHB North High School League 2019 | 2019-02-19 | 2019-07-22 | Standard | Chess Excellence (CEX) | 5 | 5 | 4.5 | Yes | Analysis |
6 | The Metro Open 2019 (Prestige) | 2019-05-25 | 2019-05-26 | Standard | Johannesburg Metro (GJM) | 6 | 5 | 1.5 | Yes | Analysis |
7 | JNW Club - Bryanston Open 2 2019 (C) | 2019-05-11 | 2019-05-11 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
8 | JNW Club - Charterhouse Open 2019 (C) | 2019-04-13 | 2019-04-13 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3.5 | Yes | Analysis |
9 | Chessnuts Under 1200 6 April 2019 (Kings) | 2019-04-06 | 2019-04-06 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3 | Yes | Analysis |
10 | JNW Club - Trinityhouse Randpark Ridge Open 2019 (D) | 2019-03-09 | 2019-03-09 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3.5 | Yes | Analysis |
11 | JNW Club - Trinityhouse Little Falls Open 2019 (D) | 2019-02-23 | 2019-02-23 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 3.5 | Yes | Analysis |
12 | Chessnuts Challenge 1 2019 (Knights) | 2019-02-02 | 2019-02-02 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 5 | Yes | Analysis |
13 | Outpost 2nd Open 2018 (C) | 2018-08-25 | 2018-08-25 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 2 | Yes | Analysis |
14 | ChessExcellence JHB North High School League 2018 | 2018-02-19 | 2018-06-18 | Standard | Chess Excellence (CEX) | 5 | 5 | 1.5 | Yes | Analysis |
15 | JNW Club - Linden Open 2018 (C) | 2018-04-14 | 2018-04-14 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1 | Yes | Analysis |
16 | Randburg Club - Summer Swiss 2018 | 2018-01-30 | 2018-03-13 | Standard | Johannesburg Metro (GJM) | 7 | 5 | 1 | Yes | Analysis |
17 | JNW Club - Bryanston Open 2018 (C) | 2018-01-26 | 2018-01-27 | Standard | Johannesburg Metro (GJM) | 6 | 4 | 1 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 10 | TournamentChessnuts Challenge 1 2019 | TournamentJNW Club - Trinityhouse Little Falls Open 2019 | ||||||
date2019-02-02 | rnd1 | typeStandard | result1 | date2019-02-23 | rnd4 | typeStandard | result1 | ||
OpponentRossouw, A (Andries Jacobus Putter) | OpponentPather, J (Juveshan) | ||||||||
2 | 4 | TournamentJHB North High School League 2019 | TournamentChessnuts Under 1200 Rated Tournament 2019 | ||||||
date2019-05-27 | rnd3 | typeStandard | result1 | date2019-07-13 | rnd2 | typeStandard | result1 | ||
OpponentPather, N (Nicholas) | OpponentRai, A (Akansha) | ||||||||
3 | 4 | TournamentJNW Club - Charterhouse Open 2019 | TournamentJNW Club - Charterhouse Open 2019 | ||||||
date2019-04-13 | rnd2 | typeStandard | result1 | date2019-04-13 | rnd5 | typeStandard | result1 | ||
OpponentD`Alton, E (Ezra) | OpponentVan Stryp, O (Ockert) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 10 | TournamentChessnuts Challenge 1 2019 | TournamentJNW Club - Trinityhouse Little Falls Open 2019 | ||||||
date2019-02-02 | rnd1 | typeStandard | result1 | date2019-02-23 | rnd4 | typeStandard | result1 | ||
OpponentRossouw, A (Andries Jacobus Putter) | OpponentPather, J (Juveshan) | ||||||||
2 | 4 | TournamentJHB North High School League 2019 | TournamentChessnuts Under 1200 Rated Tournament 2019 | ||||||
date2019-05-27 | rnd3 | typeStandard | result1 | date2019-07-13 | rnd2 | typeStandard | result1 | ||
OpponentPather, N (Nicholas) | OpponentRai, A (Akansha) | ||||||||
3 | 4 | TournamentJNW Club - Charterhouse Open 2019 | TournamentJNW Club - Charterhouse Open 2019 | ||||||
date2019-04-13 | rnd2 | typeStandard | result1 | date2019-04-13 | rnd5 | typeStandard | result1 | ||
OpponentD`Alton, E (Ezra) | OpponentVan Stryp, O (Ockert) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 6 | TournamentChessnuts Challenge 1 2019 | TournamentJHB North High School League 2019 | ||||||
date2019-02-02 | rnd1 | typeStandard | result1 | date2019-02-19 | rnd1 | typeStandard | result1 | ||
OpponentRossouw, A (Andries Jacobus Putter) | OpponentEnfield, E (Eliezer) | ||||||||
2 | 3 | TournamentJNW Club - Trinityhouse Little Falls Open 2019 | TournamentJNW Club - Trinityhouse Little Falls Open 2019 | ||||||
date2019-02-23 | rnd2 | typeStandard | result1 | date2019-02-23 | rnd4 | typeStandard | result1 | ||
OpponentStorm, BS (Ben Simon) | OpponentPather, J (Juveshan) | ||||||||
3 | 2 | TournamentChessnuts Under 1200 Rated Tournament 2019 | TournamentChessnuts Under 1200 Rated Tournament 2019 | ||||||
date2019-07-13 | rnd1 | typeStandard | result1 | date2019-07-13 | rnd2 | typeStandard | result1 | ||
OpponentVan Der Spoel, R (Robert) | OpponentRai, A (Akansha) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 6 | TournamentChessnuts Challenge 1 2019 | TournamentJHB North High School League 2019 | ||||||
date2019-02-02 | rnd1 | typeStandard | result1 | date2019-02-19 | rnd1 | typeStandard | result1 | ||
OpponentRossouw, A (Andries Jacobus Putter) | OpponentEnfield, E (Eliezer) | ||||||||
2 | 3 | TournamentJNW Club - Trinityhouse Little Falls Open 2019 | TournamentJNW Club - Trinityhouse Little Falls Open 2019 | ||||||
date2019-02-23 | rnd2 | typeStandard | result1 | date2019-02-23 | rnd4 | typeStandard | result1 | ||
OpponentStorm, BS (Ben Simon) | OpponentPather, J (Juveshan) | ||||||||
3 | 2 | TournamentChessnuts Under 1200 Rated Tournament 2019 | TournamentChessnuts Under 1200 Rated Tournament 2019 | ||||||
date2019-07-13 | rnd1 | typeStandard | result1 | date2019-07-13 | rnd2 | typeStandard | result1 | ||
OpponentVan Der Spoel, R (Robert) | OpponentRai, A (Akansha) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
Top 10 opponents most often played
# | Opponent | Main | Standard | Rapid | Blitz | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
1 | Nkuna ,R (Rhukanani) | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1199.4 | 1199.4 | 1192.8 | 1199.4 | 0 | 0 | 0 | 0 | ||||||
2 | Paraian ,N (Nicolai) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1041.2 | 1041.2 | 1035.6 | 1041.2 | 0 | 0 | 0 | 0 | ||||||
3 | Steyn ,T (Tjaart) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1257.4 | 832.4 | 1253.6 | 832.4 | 0 | 0 | 0 | 0 | ||||||
4 | De Villiers ,J (Juan) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1153.2 | 1578.2 | 1148.8 | 1578.2 | 0 | 0 | 0 | 0 | ||||||
5 | Voigt ,H (Heinrich) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
872.3 | 872.3 | 867.4 | 872.3 | 0 | 0 | 0 | 0 | ||||||
6 | Rai ,A (Akansha) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1106.2 | 1531.2 | 1098.2 | 1531.2 | 0 | 0 | 0 | 0 | ||||||
7 | Madiba ,MM (Madimetja) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1367.7 | 942.7 | 1358.1 | 942.7 | 0 | 0 | 0 | 0 | ||||||
8 | De Abreu ,A (Alexia Sally) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
521.2 | 96.2 | 521.2 | 96.2 | 0 | 0 | 0 | 0 | ||||||
9 | Lotz ,C (Charl) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1260.3 | 835.3 | 1245.8 | 835.3 | 0 | 0 | 0 | 0 | ||||||
10 | Storm ,BS (Ben Simon) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
843.4 | 1268.4 | 843.4 | 1268.4 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|