IMSebastian Lukas Kostolansky
SVK · FIDE ID 14950596 · 140 tournament games since 2021
Standard
2444
#10 in SVK (active)
Rapid
2313
#30 in SVK (active)
Blitz
2244
#38 in SVK (active)
Score
53%
48 W · 52 D · 40 L
Opp. avg
2336
Last 50 games
Last game
2026-06-20
Majstrovstvá Slovenska 2026 | Open
Prep summary
- As White: 1.e4 in 94% of games (scores 54%).
- Against 1.e4: 1...c5 in 35 of 36 games (Sicilian Defense), scoring 61%.
- Against 1.d4: 1...Nf6 in 28 of 28 games (Indian Defense), scoring 38%.
- Weak spot: Catalan Opening: Closed as Black, only 25% in 8 games.
- Comfort zone: Sicilian Defense: Taimanov Variation, Bastrikov Variation as Black, 70% in 5 games.
- By opponent strength: 35% against higher-rated players, 72% against lower-rated.
Based on 140 over-the-board games (44 classical · 13 blitz · 11 rapid). 71 with White (56%), 69 with Black (50%).
Openings as White
First move
| 1.e4 | 67 | 54% |
| 1.Nf3 | 4 | 88% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 5 | 60% |
| Caro-Kann Defense: Advance Variation, Tal Variation | 5 | 40% |
| Sicilian Defense: Moscow Variation | 5 | 40% |
| Sicilian Defense: Moscow Variation, Main Line | 5 | 60% |
| Ruy Lopez: Closed, Anti-Marshall | 5 | 50% |
Openings as Black
Against 1.e4 (36 games)
| 1...c5 Sicilian Defense | 35 | 61% |
| 1...d6 Pirc Defense | 1 | 0% |
Against 1.d4 (28 games)
| 1...Nf6 Indian Defense | 28 | 38% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | 12 | 58% |
| Catalan Opening: Closed | 8 | 25% |
| Sicilian Defense: Taimanov Variation, Bastrikov Variation | 5 | 70% |
| Sicilian Defense: Taimanov Variation | 4 | 63% |
| Sicilian Defense: French Variation | 3 | 33% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-06-20 | Vladimir Bochnicka (2357) Majstrovstvá Slovenska 2026 | Open | ½ |
| 2026-06-19 | Samir Sahidi (2484) Majstrovstvá Slovenska 2026 | Open | L |
| 2026-06-19 | Peter Michalik (2540) Majstrovstvá Slovenska 2026 | Open | ½ |
| 2026-06-17 | Martin Neugebauer (2483) Majstrovstvá Slovenska 2026 | Open | W |
| 2026-06-17 | Filip Haring (2457) Majstrovstvá Slovenska 2026 | Open | ½ |
| 2026-06-16 | Viktor Gazik (2529) Majstrovstvá Slovenska 2026 | Open | L |
| 2026-06-14 | Simon Rybka (2354) Majstrovstvá Slovenska 2026 | Open | ½ |
| 2026-06-13 | Lubomir Ftacnik (2423) Majstrovstvá Slovenska 2026 | Open | ½ |
| 2026-06-13 | Juraj Druska (2465) Majstrovstvá Slovenska 2026 | Open | ½ |
| 2026-05-02 | Awonder Liang (2718) FIDE World University Team Chess Championship 2026 | Swiss Qualifier 1 · rapid | L |
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.