PLAYER PAGE
Personal
Biernacki, K (Kayden)
Chess SA id
107083551FIDE id
?Date of birth
2007-03-19 (U20)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2020-02-29Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| Raw rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| Weighted rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| Weighted performance | 290.2 | 253.1 | 0 | 0 |
| Floor | 631.3 | 582.5 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 182.9 | 196 | 286.7 | 447.5 |
| Highest rating | 1206.82019-01-01 | 1200.12019-01-01 | 12002018-02-01 | 12002024-02-01 |
| Highest raw rating | 1131.32024-02-01 | 1082.52024-02-01 | 815.62024-02-01 | 503.22024-02-01 |
| Highest weighted rating | 1131.32024-11-01 | 1082.52024-11-01 | 815.62024-11-01 | 503.22024-11-01 |
| Highest weighted performance | 1206.82019-01-01 | 1200.12019-01-01 | 12002018-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| Analysis | ||||
| Rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| Raw rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| Weighted rating | 1131.3 | 1082.5 | 815.6 | |
| Weighted performance | 290.2 | 253.1 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 631.3 | 582.5 | 500 | 500 |
| Max/Min rating change allowed | 182.9 | 196 | 286.7 | 447.5 |
| 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 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| New weighted rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| New weighted performance | 282.6 | 245.7 | 0 | 0 |
| Temp new rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1131.3 | 1082.5 | 815.6 | 503.2 |
| New K-factor | 40 | 40 | 40 | 40 |
| New floor | 631.3 | 582.5 | 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 | 130 | 75 | 49 | 6 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -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 | 51 | 26.5 | 51.96 | 16.7 | 1150.3 | 1167 |
| Standard | 34 | 17.5 | 51.47 | 12.5 | 1124 | 1136.5 |
| Rapid | 17 | 9 | 52.94 | 25 | 1203 | 1228 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-11-30 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-11-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-09-30 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-09-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-08-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-07-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-06-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-05-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-04-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-03-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-02-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2025-01-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-12-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-11-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-10-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-09-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-11-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-07-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-06-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-05-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-04-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-03-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
| 2024-02-01 | 1131.3 | 1082.5 | 815.6 | 503.2 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Metro North Individual Trials 2020 (U13) | 2020-02-07 | 2020-02-08 | Standard | Cape Town (WCT) | 6 | 5 | 2 | Yes | Analysis |
| 2 | 2020 Welgemoed Chess Challenge (U14) | 2020-02-29 | 2020-02-29 | Rapid | Cape Town (WCT) | 5 | 5 | 3 | Yes | Analysis |
| 3 | 2019 South African Junior Team Championships (U14E) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 3 | Yes | Analysis |
| 4 | 2019 WP Youth Open (C) | 2019-07-13 | 2019-07-13 | Standard | Cape Town (WCT) | 5 | 5 | 3 | Yes | Analysis |
| 5 | DSK Chess Tournament 2019 (Open) | 2019-06-08 | 2019-06-08 | Rapid | Cape Town (WCT) | 7 | 7 | 3 | Yes | Analysis |
| 6 | 2019 Western Province Open (Open) | 2019-05-25 | 2019-05-26 | Standard | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
| 7 | Welgemoed Chess Challenge 2019 (U14) | 2019-02-23 | 2019-02-23 | Rapid | Cape Town (WCT) | 5 | 5 | 3 | Yes | Analysis |
| 8 | District North Schools Chess Trials 2019 (U13) | 2019-01-25 | 2019-01-26 | Standard | Cape Town (WCT) | 6 | 6 | 4 | Yes | Analysis |
| 9 | District North Schools Chess Open Trials 2018 (U11) | 2018-02-09 | 2018-02-10 | Standard | Cape Town (WCT) | 6 | 5 | 2.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentDistrict North Schools Chess Trials 2019 | TournamentWelgemoed Chess Challenge 2019 | ||||||
| date2019-01-26 | rnd4 | typeStandard | result1 | date2019-02-23 | rnd1 | typeRapid | result1 | ||
| OpponentGigi, S (Sinesipho) | OpponentDe Klerk, C (Connor) | ||||||||
| 2 | 3 | Tournament2019 WP Youth Open | Tournament2019 WP Youth Open | ||||||
| date2019-07-13 | rnd2 | typeStandard | result1 | date2019-07-13 | rnd4 | typeStandard | result1 | ||
| OpponentJoseph, H (Halle) | OpponentKoegelenberg, PM (Philip Meyer) | ||||||||
| 3 | 3 | TournamentDSK Chess Tournament 2019 | TournamentDSK Chess Tournament 2019 | ||||||
| date2019-06-08 | rnd5 | typeRapid | result1 | date2019-06-08 | rnd7 | typeRapid | result1 | ||
| OpponentEarle, M (Matthew) | OpponentO`connell, C (Ciarran) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2019 WP Youth Open | Tournament2019 WP Youth Open | ||||||
| date2019-07-13 | rnd2 | typeStandard | result1 | date2019-07-13 | rnd4 | typeStandard | result1 | ||
| OpponentJoseph, H (Halle) | OpponentKoegelenberg, PM (Philip Meyer) | ||||||||
| 2 | 3 | TournamentDistrict North Schools Chess Trials 2019 | TournamentDistrict North Schools Chess Trials 2019 | ||||||
| date2019-01-26 | rnd4 | typeStandard | result1 | date2019-01-26 | rnd6 | typeStandard | result1 | ||
| OpponentGigi, S (Sinesipho) | OpponentMoses, R (Ravenlee) | ||||||||
| 3 | 2 | Tournament2019 Western Province Open | Tournament2019 Western Province Open | ||||||
| date2019-05-26 | rnd4 | typeStandard | result1 | date2019-05-26 | rnd5 | typeStandard | result1 | ||
| OpponentPharo, K (Keenan) | OpponentChidawaya, T (Tony) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentDSK Chess Tournament 2019 | Tournament2020 Welgemoed Chess Challenge | ||||||
| date2019-06-08 | rnd5 | typeRapid | result1 | date2020-02-29 | rnd1 | typeRapid | result1 | ||
| OpponentEarle, M (Matthew) | OpponentOwies, F (Fazlin) | ||||||||
| 2 | 2 | Tournament2020 Welgemoed Chess Challenge | Tournament2020 Welgemoed Chess Challenge | ||||||
| date2020-02-29 | rnd3 | typeRapid | result1 | date2020-02-29 | rnd4 | typeRapid | result1 | ||
| OpponentArif, Y (Yzdan Arif Khan) | OpponentTakane, B (Buhle) | ||||||||
| 3 | 2 | TournamentWelgemoed Chess Challenge 2019 | TournamentWelgemoed Chess Challenge 2019 | ||||||
| date2019-02-23 | rnd4 | typeRapid | result1 | date2019-02-23 | rnd5 | typeRapid | result1 | ||
| OpponentSeptember, M (Matthew) | OpponentLubbe, A (Ankia) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentDistrict North Schools Chess Trials 2019 | TournamentWelgemoed Chess Challenge 2019 | ||||||
| date2019-01-26 | rnd4 | typeStandard | result1 | date2019-02-23 | rnd1 | typeRapid | result1 | ||
| OpponentGigi, S (Sinesipho) | OpponentDe Klerk, C (Connor) | ||||||||
| 2 | 3 | Tournament2019 WP Youth Open | Tournament2019 WP Youth Open | ||||||
| date2019-07-13 | rnd2 | typeStandard | result1 | date2019-07-13 | rnd4 | typeStandard | result1 | ||
| OpponentJoseph, H (Halle) | OpponentKoegelenberg, PM (Philip Meyer) | ||||||||
| 3 | 3 | TournamentDSK Chess Tournament 2019 | TournamentDSK Chess Tournament 2019 | ||||||
| date2019-06-08 | rnd5 | typeRapid | result1 | date2019-06-08 | rnd7 | typeRapid | result1 | ||
| OpponentEarle, M (Matthew) | OpponentO`connell, C (Ciarran) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2019 WP Youth Open | Tournament2019 WP Youth Open | ||||||
| date2019-07-13 | rnd2 | typeStandard | result1 | date2019-07-13 | rnd4 | typeStandard | result1 | ||
| OpponentJoseph, H (Halle) | OpponentKoegelenberg, PM (Philip Meyer) | ||||||||
| 2 | 3 | TournamentDistrict North Schools Chess Trials 2019 | TournamentDistrict North Schools Chess Trials 2019 | ||||||
| date2019-01-26 | rnd4 | typeStandard | result1 | date2019-01-26 | rnd6 | typeStandard | result1 | ||
| OpponentGigi, S (Sinesipho) | OpponentMoses, R (Ravenlee) | ||||||||
| 3 | 2 | Tournament2019 Western Province Open | Tournament2019 Western Province Open | ||||||
| date2019-05-26 | rnd4 | typeStandard | result1 | date2019-05-26 | rnd5 | typeStandard | result1 | ||
| OpponentPharo, K (Keenan) | OpponentChidawaya, T (Tony) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentDSK Chess Tournament 2019 | Tournament2020 Welgemoed Chess Challenge | ||||||
| date2019-06-08 | rnd5 | typeRapid | result1 | date2020-02-29 | rnd1 | typeRapid | result1 | ||
| OpponentEarle, M (Matthew) | OpponentOwies, F (Fazlin) | ||||||||
| 2 | 2 | Tournament2020 Welgemoed Chess Challenge | Tournament2020 Welgemoed Chess Challenge | ||||||
| date2020-02-29 | rnd3 | typeRapid | result1 | date2020-02-29 | rnd4 | typeRapid | result1 | ||
| OpponentArif, Y (Yzdan Arif Khan) | OpponentTakane, B (Buhle) | ||||||||
| 3 | 2 | TournamentWelgemoed Chess Challenge 2019 | TournamentWelgemoed Chess Challenge 2019 | ||||||
| date2019-02-23 | rnd4 | typeRapid | result1 | date2019-02-23 | rnd5 | typeRapid | result1 | ||
| OpponentSeptember, M (Matthew) | OpponentLubbe, A (Ankia) | ||||||||
| # | 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 | Goliath ,K (Kian) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1207.2 | 782.2 | 1192.6 | 782.2 | 0 | 0 | 0 | 0 | ||||||
| 2 | Joseph ,H (Halle) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1034.4 | 1459.4 | 1051 | 1459.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Monageng ,G (Gomolemo) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1155.4 | 730.4 | 1129.6 | 730.4 | 0 | 0 | 0 | 0 | ||||||
| 4 | Heunis ,M (Martin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1099.4 | 674.4 | 1080 | 674.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Chiranda ,B (Bradley) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1136.6 | 711.6 | 1113.2 | 711.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mgumeshu ,L (Luve) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 7 | Mmokwane ,E (Ezrah) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 8 | Nesdale ,O (Oliver) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1178.6 | 1603.6 | 1149.6 | 1603.6 | 0 | 0 | 0 | 0 | ||||||
| 9 | Moses ,R (Ravenlee) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Mulenda ,E (Ephraime) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1160 | 735 | 1200 | 735 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

