FMDeyan Samuil Kostov
BUL · FIDE ID 30909015 · 62 tournament games since 2021
Standard
2316
#28 in BUL (active)
Rapid
2305
#27 in BUL (active)
Blitz
2246
#34 in BUL (active)
Score
53%
24 W · 18 D · 20 L
Opp. avg
2268
Last 50 games
Last game
2026-03-14
OGD Rapid 2026
Prep summary
- As White: 1.d4 in 100% of games (scores 55%).
- Against 1.e4: 1...c5 in 9 of 10 games (Sicilian Defense), scoring 72%.
- Against 1.d4: 1...d5 in 15 of 15 games (Queen's Pawn Game), scoring 47%.
- Weak spot: Trompowsky Attack as White, only 33% in 3 games.
- Comfort zone: Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack as Black, 75% in 4 games.
- By opponent strength: 32% against higher-rated players, 86% against lower-rated.
Based on 62 over-the-board games (44 classical · 5 rapid). 29 with White (55%), 33 with Black (52%).
Openings as White
First move
| 1.d4 | 29 | 55% |
Most played
| Opening | Games | Score |
|---|---|---|
| Trompowsky Attack | 3 | 33% |
| Nimzo-Indian Defense: Normal Variation, Botvinnik System | 3 | 33% |
| Queen's Gambit Declined: Exchange Variation, Positional Variation | 3 | 83% |
| Nimzo-Indian Defense: Normal Variation, Classical Defense | 3 | 33% |
| Semi-Slav Defense: Stoltz Variation | 3 | 50% |
Openings as Black
Against 1.e4 (10 games)
| 1...c5 Sicilian Defense | 9 | 72% |
| 1...e6 French Defense | 1 | 0% |
Against 1.d4 (15 games)
| 1...d5 Queen's Pawn Game | 15 | 47% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | 4 | 75% |
| Queen's Gambit Accepted: Classical Defense, Main Line | 4 | 50% |
| Queen's Pawn Game: London System, with e6 | 2 | 25% |
| Queen's Gambit Accepted: Normal Variation, Traditional System | 2 | 25% |
| Queen's Pawn Game: Accelerated London System | 2 | 25% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-03-14 | Daniel Fridman OGD Rapid 2026 · rapid | L |
| 2025-06-14 | Anton Demchenko (2619) Munich Chess Festival 2025 | Whitsun Open · classical | L |
| 2025-06-13 | Prishita Gupta (1938) Munich Chess Festival 2025 | Whitsun Open · classical | W |
| 2025-06-12 | Vitaliy Bernadskiy (2497) Munich Chess Festival 2025 | Whitsun Open · classical | L |
| 2025-06-11 | Carlos Alvarez Serrano (2153) Munich Chess Festival 2025 | Whitsun Open · classical | W |
| 2025-06-10 | Aarav Sarbalia (2243) Munich Chess Festival 2025 | Whitsun Open · classical | W |
| 2025-06-09 | Nandish V S (2241) Munich Chess Festival 2025 | Whitsun Open · classical | ½ |
| 2025-06-09 | Eltaj Safarli (2620) Munich Chess Festival 2025 | Whitsun Open · classical | L |
| 2025-06-08 | Fiona Sieber (2237) Munich Chess Festival 2025 | Whitsun Open · classical | W |
| 2025-06-08 | Darshan G (2103) Munich Chess Festival 2025 | Whitsun Open · 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.