Krystof Jandacek
CZE · FIDE ID 23780800 · 56 tournament games since 2025
Standard
1950
#1458 in CZE (active)
Rapid
1974
#918 in CZE (active)
Blitz
1820
#1631 in CZE (active)
Score
53%
21 W · 17 D · 18 L
Opp. avg
1937
Last 50 games
Last game
2026-09-12
Czech Rapid Youth Championship 2026 | Boys | U14
Prep summary
- As White: 1.e4 in 93% of games (scores 62%).
- Against 1.e4: 1...e5 in 9 of 18 games (King's Pawn Game), scoring 56%.
- Against 1.d4: 1...Nf6 in 4 of 5 games (Indian Defense), scoring 13%.
- By opponent strength: 32% against higher-rated players, 71% against lower-rated.
- By colour: 61% with White, 45% with Black.
Based on 56 over-the-board games (27 classical · 20 rapid). 27 with White (61%), 29 with Black (45%).
Openings as White
First move
| 1.e4 | 25 | 62% |
| 1.g3 | 1 | 100% |
| 1.d4 | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Mengarini Variation | 12 | 63% |
| Caro-Kann Defense: Endgame Offer | 2 | 50% |
| French Defense: Horwitz Attack, Papa-Ticulat Gambit | 2 | 75% |
| French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | 2 | 100% |
| French Defense: Advance Variation, Euwe Variation | 1 | 50% |
Openings as Black
Against 1.e4 (18 games)
| 1...e5 King's Pawn Game | 9 | 56% |
| 1...d6 Pirc Defense | 7 | 50% |
| 1...c5 Sicilian Defense | 2 | 50% |
Against 1.d4 (5 games)
| 1...Nf6 Indian Defense | 4 | 13% |
| 1...d5 Queen's Pawn Game | 1 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Four Knights Game: Scotch Variation, Schmid Defense | 2 | 50% |
| Ruy Lopez: Open | 2 | 25% |
| English Opening: Anglo-Indian Defense | 2 | 25% |
| Scotch Game: Schmidt Variation | 1 | 100% |
| Scotch Game: Scotch Gambit, Advance Variation | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-09-12 | Stepan Koupil (1816) Czech Rapid Youth Championship 2026 | Boys | U14 · rapid | ½ |
| 2026-08-29 | Leonard Neckamm (1694) Chess Slovak Open Skalica 2026 | Rapid · rapid | W |
| 2026-08-29 | Matyas Paseka (2082) Chess Slovak Open Skalica 2026 | Rapid · rapid | L |
| 2026-08-29 | Casey Ryan Meszaros (2038) Chess Slovak Open Skalica 2026 | Rapid · rapid | ½ |
| 2026-08-29 | Milan Borkovec (2119) Chess Slovak Open Skalica 2026 | Rapid · rapid | L |
| 2026-08-29 | Peter Petran (2124) Chess Slovak Open Skalica 2026 | Rapid · rapid | W |
| 2026-08-29 | Simon Schwandner (1609) Chess Slovak Open Skalica 2026 | Rapid · rapid | W |
| 2026-08-29 | Mikulas Manik (2404) Chess Slovak Open Skalica 2026 | Rapid · rapid | L |
| 2026-08-26 | Eliska Janouskova (1904) European Union Youth Chess Championship 2026 | U14 · classical | W |
| 2026-08-25 | Vykintas Janulis (1644) European Union Youth Chess Championship 2026 | U14 · 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.