Osman Yertai
KAZ · FIDE ID 447011874 · 19 tournament games since 2025
Standard
1516
#1504 in KAZ (active)
Rapid
1428
#5103 in KAZ (active)
Blitz
1425
#3554 in KAZ (active)
Score
47%
8 W · 2 D · 9 L
Opp. avg
1489
Last 19 games
Last game
2026-01-30
2026 Kazakhstan Junior Blitz Chess Championship | Boys Under 8
Prep summary
- As White: 1.e4 in 100% of games (scores 70%).
- Against 1.e4: 1...c5 in 3 of 5 games (Sicilian Defense), scoring 0%.
- Against 1.d4: 1...Nf6 in 3 of 3 games (Indian Defense), scoring 50%.
- By colour: 70% with White, 22% with Black.
Based on 19 over-the-board games (7 classical · 6 rapid · 4 blitz). 10 with White (70%), 9 with Black (22%).
Openings as White
First move
| 1.e4 | 10 | 70% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Four Knights Variation | 1 | 0% |
| French Defense: Advance Variation, Main Line | 1 | 100% |
| Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | 1 | 100% |
| Caro-Kann Defense: Classical Variation, Spassky Variation | 1 | 100% |
| Sicilian Defense: Najdorf Variation | 1 | 0% |
Openings as Black
Against 1.e4 (5 games)
| 1...c5 Sicilian Defense | 3 | 0% |
| 1...e5 King's Pawn Game | 2 | 25% |
Against 1.d4 (3 games)
| 1...Nf6 Indian Defense | 3 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| English Opening: Anglo-Indian Defense, Queen's Knight Variation | 1 | 0% |
| King's Indian Defense: Petrosian Variation | 1 | 100% |
| Sicilian Defense: Mengarini Variation | 1 | 0% |
| Queen's Gambit Declined: Exchange Variation, Positional Variation | 1 | 50% |
| Sicilian Defense: French Variation | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-01-30 | Daler Derbisov 2026 Kazakhstan Junior Blitz Chess Championship | Boys Under 8 · blitz | L |
| 2026-01-30 | Aidar Askaruly (1509) 2026 Kazakhstan Junior Blitz Chess Championship | Boys Under 8 · blitz | W |
| 2026-01-30 | Aslan Endibayev (1534) 2026 Kazakhstan Junior Blitz Chess Championship | Boys Under 8 · blitz | L |
| 2026-01-30 | Alinur Bauyrzhan (1402) 2026 Kazakhstan Junior Blitz Chess Championship | Boys Under 8 · blitz | W |
| 2026-01-29 | Alan Gaziz 2026 Kazakhstan Junior Rapid Chess Championship | Boys Under 8 · rapid | W |
| 2026-01-29 | Zakariya Amirov (1428) 2026 Kazakhstan Junior Rapid Chess Championship | Boys Under 8 · rapid | W |
| 2026-01-29 | Akhmet Bakytbek (1597) 2026 Kazakhstan Junior Rapid Chess Championship | Boys Under 8 · rapid | L |
| 2026-01-29 | Batyr Sabitkhan (1485) 2026 Kazakhstan Junior Rapid Chess Championship | Boys Under 8 · rapid | L |
| 2026-01-28 | Aivar Armanuly (1459) 2026 Kazakhstan Junior Rapid Chess Championship | Boys Under 8 · rapid | W |
| 2026-01-28 | Daler Derbisov (1491) 2026 Kazakhstan Junior Rapid Chess Championship | Boys Under 8 · rapid | ½ |
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.