CMJacob D Yoon
ENG · FIDE ID 446076 · 189 tournament games since 2021
Standard
2248
#86 in ENG (active)
Rapid
2099
#159 in ENG (active)
Blitz
2021
#232 in ENG (active)
Score
58%
90 W · 41 D · 58 L
Opp. avg
2026
Last 50 games
Last game
2026-04-19
4th Sussex University Weekend Congress - Blitz
Prep summary
- As White: 1.d4 in 57% of games (scores 62%), otherwise 1.e4 (26%).
- Against 1.e4: 1...c6 in 22 of 53 games (Caro-Kann Defense), scoring 57%.
- Against 1.d4: 1...Nf6 in 11 of 25 games (Indian Defense), scoring 32%.
- Weak spot: Rapport-Jobava System as White, only 20% in 5 games.
- Comfort zone: East Indian Defense as White, 86% in 7 games.
- By opponent strength: 31% against higher-rated players, 79% against lower-rated.
Based on 189 over-the-board games (51 rapid · 21 blitz · 17 classical). 96 with White (63%), 93 with Black (54%).
Openings as White
First move
| 1.d4 | 55 | 62% |
| 1.e4 | 25 | 60% |
| 1.Nf3 | 11 | 86% |
| 1.c4 | 2 | 75% |
Most played
| Opening | Games | Score |
|---|---|---|
| East Indian Defense | 7 | 86% |
| Rapport-Jobava System | 5 | 20% |
| Sicilian Defense: Kalashnikov Variation | 3 | 83% |
| Semi-Slav Defense: Normal Variation | 3 | 67% |
| Queen's Gambit Declined: Harrwitz Attack | 2 | 50% |
Openings as Black
Against 1.e4 (53 games)
| 1...c6 Caro-Kann Defense | 22 | 57% |
| 1...c5 Sicilian Defense | 17 | 62% |
| 1...e6 French Defense | 7 | 50% |
Against 1.d4 (25 games)
| 1...Nf6 Indian Defense | 11 | 32% |
| 1...d5 Queen's Pawn Game | 7 | 71% |
| 1...e6 Horwitz Defense | 4 | 88% |
Most played
| Opening | Games | Score |
|---|---|---|
| Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 9 | 28% |
| Sicilian Defense: Moscow Variation, Main Line | 5 | 60% |
| Modern Defense: Standard Defense | 4 | 63% |
| King's Indian Attack: Keres Variation | 3 | 0% |
| Horwitz Defense | 2 | 75% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-04-19 | Callum D Brewer (2037) 4th Sussex University Weekend Congress - Blitz · blitz | L |
| 2026-04-19 | Arthur Kendall (1854) 4th Sussex University Weekend Congress - Blitz · blitz | W |
| 2026-04-19 | Nurlykhan Kudaibergen (2130) 4th Sussex University Weekend Congress - Blitz · blitz | L |
| 2026-04-19 | Albert Eldridge (1631) 4th Sussex University Weekend Congress - Blitz · blitz | W |
| 2026-04-19 | Sergey And. Korshunov (2372) 4th Sussex University Weekend Congress - Blitz · blitz | L |
| 2026-04-19 | Edgar Pack (1888) 4th Sussex University Weekend Congress - Blitz · blitz | W |
| 2026-04-19 | Maharnab Choudhury (1648) 4th Sussex University Weekend Congress - Blitz · blitz | W |
| 2026-04-19 | Luke Freeman (1791) 4th Sussex University Weekend Congress - Blitz · blitz | W |
| 2026-04-19 | Cosmin Daniel Cojocaru (1585) 4th Sussex University Weekend Congress - Blitz · blitz | W |
| 2026-04-18 | Nurlykhan Kudaibergen (2188) 4th Sussex University Weekend Congress - U2400 · classical | W |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.