PLAYER PAGE
Personal
Schalkwyk, C (Christiaan)
Chess SA id
1150136754FIDE id
?Date of birth
2015-03-29 (U12)Gender
MaleRegion
Johannesburg Metro (GJM)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-10-29Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1191.6 | 1199.7 | 1200 | 1142 |
| Raw rating | 1191.6 | 1199.7 | 1200 | 1142 |
| Weighted rating | 1191.6 | 1199.7 | 1200 | 1142 |
| Weighted performance | 667.8 | 0 | 0 | 0 |
| Floor | 711.3 | 714.4 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 167.8 | 165.9 | 165.8 | 180.1 |
| Highest rating | 1274.42022-02-01 | 1279.32022-02-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1211.32022-03-01 | 1214.42022-03-01 | 12002024-02-01 | 12002019-12-01 |
| Highest weighted rating | 1211.32022-03-01 | 1214.42022-03-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1274.42022-02-01 | 1279.32022-02-01 | 12002024-02-01 | 12002019-12-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1191.6 | 1199.7 | 1200 | 1142 |
| Analysis | ||||
| Rating | 1191.6 | 1199.7 | 1200 | 1142 |
| Raw rating | 1191.6 | 1199.7 | 1200 | 1142 |
| Weighted rating | 1191.6 | 1199.7 | 1200 | |
| Weighted performance | 667.8 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 711.3 | 714.4 | 700 | 700 |
| Max/Min rating change allowed | 167.8 | 165.9 | 165.8 | 180.1 |
| 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 | 1191.6 | 1199.7 | 1200 | 1142 |
| New weighted rating | 1191.6 | 1199.7 | 1200 | 1142 |
| New weighted performance | 661.3 | 0 | 0 | 0 |
| Temp new rating | 1191.6 | 1199.7 | 1200 | 1142 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1191.6 | 1199.7 | 1200 | 1142 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 711.3 | 714.4 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 26 | 19 | 0 | 7 | |
| 0 | 0 | 0 | 0 | |
| History | 26 | 19 | 0 | 7 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U12 | ||||||||||||||||
| Region | Johannesburg Metro (GJM) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U12 | -1 | -1 | -1 | ||||||||||||||
| U12 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 | 26 | 13 | 50 | 0 | 1150.6 | 1150.6 |
| Standard | 19 | 11 | 57.89 | 67.1 | 1113.8 | 1180.9 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 7 | 2 | 28.57 | -182.1 | 1250.6 | 1068.5 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-09-30 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-09-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-08-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-07-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-06-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-05-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-04-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-03-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-02-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2025-01-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-12-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-11-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-10-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-09-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-08-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-07-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-09-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-05-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-04-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-03-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-02-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2024-01-01 | 1191.6 | 1199.7 | 1200 | 1142 |
| 2023-12-01 | 1191.6 | 1199.7 | 1200 | 1142 |
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 | Chessheroes Bazaar Blitz 2022 | 2022-10-29 | 2022-10-29 | Blitz | Johannesburg Metro (GJM) | 7 | 7 | 2 | Yes | Analysis |
| 2 | JMC Womens Day 2022 (U8) | 2022-08-06 | 2022-08-06 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 4 | Yes | Analysis |
| 3 | 2022 Jacaranda Round Robin (U8) | 2022-07-30 | 2022-07-30 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 4 | JNW Trinityhouse LF 2022 (Contenders) | 2022-03-12 | 2022-03-12 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 1 | Yes | Analysis |
| 5 | JMC Charterhouse Open 2022 (E) | 2022-02-12 | 2022-02-12 | Standard | Johannesburg Metro (GJM) | 5 | 4 | 3 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentJMC Charterhouse Open 2022 | TournamentJMC Charterhouse Open 2022 | ||||||
| date2022-02-12 | rnd1 | typeStandard | result1 | date2022-02-12 | rnd4 | typeStandard | result0.5 | ||
| OpponentDeysel, Z (Zachariah) | OpponentChinoruma, M (Maka) | ||||||||
| 2 | 3 | Tournament2022 Jacaranda Round Robin | TournamentJMC Womens Day 2022 | ||||||
| date2022-07-30 | rnd5 | typeStandard | result1 | date2022-08-06 | rnd2 | typeStandard | result1 | ||
| OpponentRoux, M (Mila) | OpponentSteyn, M (Mari-Louise) | ||||||||
| 3 | 2 | TournamentJMC Womens Day 2022 | TournamentJMC Womens Day 2022 | ||||||
| date2022-08-06 | rnd4 | typeStandard | result1 | date2022-08-06 | rnd5 | typeStandard | result1 | ||
| OpponentDeysel, Z (Zachariah) | OpponentDeysel, E (Eli) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentJMC Charterhouse Open 2022 | TournamentJMC Charterhouse Open 2022 | ||||||
| date2022-02-12 | rnd1 | typeStandard | result1 | date2022-02-12 | rnd4 | typeStandard | result0.5 | ||
| OpponentDeysel, Z (Zachariah) | OpponentChinoruma, M (Maka) | ||||||||
| 2 | 3 | Tournament2022 Jacaranda Round Robin | TournamentJMC Womens Day 2022 | ||||||
| date2022-07-30 | rnd5 | typeStandard | result1 | date2022-08-06 | rnd2 | typeStandard | result1 | ||
| OpponentRoux, M (Mila) | OpponentSteyn, M (Mari-Louise) | ||||||||
| 3 | 2 | TournamentJMC Womens Day 2022 | TournamentJMC Womens Day 2022 | ||||||
| date2022-08-06 | rnd4 | typeStandard | result1 | date2022-08-06 | rnd5 | typeStandard | result1 | ||
| OpponentDeysel, Z (Zachariah) | OpponentDeysel, E (Eli) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentChessheroes Bazaar Blitz 2022 | TournamentChessheroes Bazaar Blitz 2022 | ||||||
| date2022-10-29 | rnd6 | typeBlitz | result1 | date2022-10-29 | rnd6 | typeBlitz | result1 | ||
| OpponentShalala, D (Deanna Foutibe) | OpponentShalala, D (Deanna Foutibe) | ||||||||
| 2 | 1 | TournamentChessheroes Bazaar Blitz 2022 | TournamentChessheroes Bazaar Blitz 2022 | ||||||
| date2022-10-29 | rnd3 | typeBlitz | result1 | date2022-10-29 | rnd3 | typeBlitz | result1 | ||
| OpponentMpipi, S (Selabe) | OpponentMpipi, S (Selabe) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2022 Jacaranda Round Robin | TournamentJMC Womens Day 2022 | ||||||
| date2022-07-30 | rnd5 | typeStandard | result1 | date2022-08-06 | rnd2 | typeStandard | result1 | ||
| OpponentRoux, M (Mila) | OpponentSteyn, M (Mari-Louise) | ||||||||
| 2 | 2 | TournamentJMC Womens Day 2022 | TournamentJMC Womens Day 2022 | ||||||
| date2022-08-06 | rnd4 | typeStandard | result1 | date2022-08-06 | rnd5 | typeStandard | result1 | ||
| OpponentDeysel, Z (Zachariah) | OpponentDeysel, E (Eli) | ||||||||
| 3 | 2 | Tournament2022 Jacaranda Round Robin | Tournament2022 Jacaranda Round Robin | ||||||
| date2022-07-30 | rnd2 | typeStandard | result1 | date2022-07-30 | rnd3 | typeStandard | result1 | ||
| OpponentLoots, A (Albert) | OpponentHoek, B (Beyers) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Tournament2022 Jacaranda Round Robin | TournamentJMC Womens Day 2022 | ||||||
| date2022-07-30 | rnd5 | typeStandard | result1 | date2022-08-06 | rnd2 | typeStandard | result1 | ||
| OpponentRoux, M (Mila) | OpponentSteyn, M (Mari-Louise) | ||||||||
| 2 | 2 | TournamentJMC Womens Day 2022 | TournamentJMC Womens Day 2022 | ||||||
| date2022-08-06 | rnd4 | typeStandard | result1 | date2022-08-06 | rnd5 | typeStandard | result1 | ||
| OpponentDeysel, Z (Zachariah) | OpponentDeysel, E (Eli) | ||||||||
| 3 | 2 | Tournament2022 Jacaranda Round Robin | Tournament2022 Jacaranda Round Robin | ||||||
| date2022-07-30 | rnd2 | typeStandard | result1 | date2022-07-30 | rnd3 | typeStandard | result1 | ||
| OpponentLoots, A (Albert) | OpponentHoek, B (Beyers) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentChessheroes Bazaar Blitz 2022 | TournamentChessheroes Bazaar Blitz 2022 | ||||||
| date2022-10-29 | rnd6 | typeBlitz | result1 | date2022-10-29 | rnd6 | typeBlitz | result1 | ||
| OpponentShalala, D (Deanna Foutibe) | OpponentShalala, D (Deanna Foutibe) | ||||||||
| 2 | 1 | TournamentChessheroes Bazaar Blitz 2022 | TournamentChessheroes Bazaar Blitz 2022 | ||||||
| date2022-10-29 | rnd3 | typeBlitz | result1 | date2022-10-29 | rnd3 | typeBlitz | result1 | ||
| OpponentMpipi, S (Selabe) | OpponentMpipi, S (Selabe) | ||||||||
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 | Hoek ,B (Beyers) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1168.4 | 1593.4 | 1162.2 | 1593.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Deysel ,Z (Zachariah) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 944.8 | 1369.8 | 931.4 | 1369.8 | 0 | 0 | 0 | 0 | ||||||
| 3 | Deysel ,E (Eli) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 886 | 1310.9 | 871 | 1310.9 | 0 | 0 | 0 | 0 | ||||||
| 4 | Roux ,M (Mila) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 5 | Spies ,A (Abigail) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1178.4 | 753.4 | 1176.4 | 753.4 | 0 | 0 | 0 | 0 | ||||||
| 6 | Joubert ,J (Joshua) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1263.4 | 838.4 | 1258.9 | 838.4 | 0 | 0 | 0 | 0 | ||||||
| 7 | Crouch ,A (Adam) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 8 | Chinoruma ,M (Maka) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1100.3 | 1100.3 | 1140 | 1100.3 | 0 | 0 | 0 | 0 | ||||||
| 9 | Bornman ,R (Rousseau) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1163.9 | 738.9 | 1160 | 738.9 | 0 | 0 | 0 | 0 | ||||||
| 10 | Steyn ,M (Mari-Louise) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1165.8 | 1590.8 | 1154.8 | 1590.8 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

