Tree path 5 levels King's Pawn Game › Sicilian Defense › Sicilian Defense › O'Kelly Variation › Réti System
- Chess Codex
- King's Pawn Game B00
- Sicilian Defense B20
- Sicilian Defense B27
- O'Kelly Variation B28
- Réti System B28 you are here
Sicilian Defense: O'Kelly Variation, Réti System
Overview
Sicilian Defense: O'Kelly Variation, Réti System is a variation within the Semi-Open Games family, indexed as ECO B28.
The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.
Play reaches this position via 1. e4 c5 2. Nf3 a6 3. g3, after 5 plies of opening development.
It is a variation of Sicilian Defense: O'Kelly Variation, which itself descends from the root opening King's Pawn Game.
Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.
- ECO code
- B28
- Group
- Semi-Open Games (B)
- Plies
- 5
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
90,030 games · White 50.9% / Draw 5.8% / Black 43.3%
| Moves | Games | W / D / B |
|---|---|---|
| Nc6 | 30,530 | |
| b5 | 20,214 | |
| e6 | 13,378 | |
| d6 | 9,695 | |
| g6 | 6,935 | |
| d5 | 3,656 | |
| Nf6 | 2,216 | |
| b6 | 1,187 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:08:15
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