Colin Diamond
USA · FIDE ID 30961874 · 26 tournament games since 2022
Standard
1908
#1285 in USA (active)
Rapid
1830
#728 in USA (active)
Blitz
–
Unrated
Score
40%
7 W · 7 D · 12 L
Opp. avg
2015
Last 26 games
Last game
2026-09-11
2026 Marshall Premier FIDE | September
Prep summary
- As White: 1.d4 in 100% of games (scores 58%).
- Against 1.e4: 1...c5 in 6 of 6 games (Sicilian Defense), scoring 25%.
- Against 1.d4: 1...d5 in 2 of 4 games (Queen's Pawn Game), scoring 25%.
- By opponent strength: 19% against higher-rated players, 64% against lower-rated.
- By colour: 58% with White, 25% with Black.
Based on 26 over-the-board games (14 classical · 1 rapid). 12 with White (58%), 14 with Black (25%).
Openings as White
First move
| 1.d4 | 12 | 58% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Gambit Declined: Ragozin Defense | 2 | 75% |
| King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | 1 | 100% |
| Queen's Gambit Declined | 1 | 100% |
| Queen's Gambit Accepted | 1 | 0% |
| Indian Defense: Normal Variation | 1 | 50% |
Openings as Black
Against 1.e4 (6 games)
| 1...c5 Sicilian Defense | 6 | 25% |
Against 1.d4 (4 games)
| 1...d5 Queen's Pawn Game | 2 | 25% |
| 1...f5 Dutch Defense | 2 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Alapin Variation, Stoltz Attack | 2 | 25% |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 2 | 50% |
| Semi-Slav Defense: Meran Variation | 1 | 0% |
| Réti Opening: Anglo-Slav Variation, Gurevich System | 1 | 50% |
| Semi-Slav Defense | 1 | 50% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-09-11 | Tim Shvarts (2072) 2026 Marshall Premier FIDE | September · classical | L |
| 2026-08-23 | Maxwell Gachiri (1822) 2026 Marshall Monthly U2400 | August · classical | W |
| 2026-08-23 | Marco Ciacci (1801) 2026 Marshall Monthly U2400 | August · classical | ½ |
| 2026-08-22 | Sascha Mayers (1780) 2026 Marshall Monthly U2400 | August · classical | ½ |
| 2026-08-21 | Nevan Sengupta (1611) 2026 Marshall Monthly U2400 | August · classical | W |
| 2026-08-18 | Nathaniel Mullodzhanov (2169) Marshall Masters 2026 | August · rapid | L |
| 2026-08-07 | Tanitoluwa Adewumi (2487) 2026 Marshall August Premier Open · classical | L |
| 2026-05-03 | Zhihan Xu 2026 Marshall Premier FIDE | May · classical | W |
| 2026-05-01 | Luc Hoffman (2126) 2026 Marshall Premier FIDE | May · classical | ½ |
| 2025-09-21 | Nicholas Beirne 2025 Marshall Monthly U2400 | September · 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.