Chess Codex
Tree path 3 levels King's Pawn Game › Bishop's Opening › Boi Variation
  1. Chess Codex
  2. King's Pawn Game C20
  3. Bishop's Opening C23
  4. Boi Variation C23 you are here
C23

Bishop's Opening: Boi Variation

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Overview

Bishop's Opening: Boi Variation is a specific line in the Open Games family (ECO C23), arising from a recognised theoretical position.

The Open Games group covers open games — classical 1.e4 e5 openings where both sides contest the centre directly with pawns.

It is reached after 4 plies of play, with the move sequence 1. e4 e5 2. Bc4 Bc5.

The line refines Bishop's Opening, which traces back to the root opening King's Pawn Game.

The line splits into 5 documented sub-systems: Bishop's Opening: Lewis Gambit, Bishop's Opening: Lopez Variation, Bishop's Opening: McDonnell Gambit, and others.

In total, the branch covers 15 sub-variations across all depths.

Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.

ECO code
C23
Group
Open Games (C)
Plies
4
Parent
Bishop's Opening
Direct variations
5
Total in subtree
15

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

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Variations (5)

Related variations at the same level

Sister lines that share the same parent Bishop's Opening:

Show all 15 sub-variations (full subtree)

https://test.av-webdevs.com/openings/bishops-opening-boi-variation