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

Bishop's Opening: Philidor Variation

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Overview

Bishop's Opening: Philidor Variation is a named branch in the Open Games group of chess theory, classified under ECO C23.

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

The line arises from 5 plies — specifically the moves 1. e4 e5 2. Bc4 Bc5 3. c3.

In the opening tree, this line branches off from Bishop's Opening: Boi Variation, part of the broader King's Pawn Game system.

3 named variations grow from this line, including Bishop's Opening: del Rio Variation, Bishop's Opening: Lewis Countergambit, Bishop's Opening: Pratt Variation.

Together the deeper variations number 5 across the full subtree.

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ECO code
C23
Group
Open Games (C)
Plies
5
Parent
Bishop's Opening: Boi Variation
Direct variations
3
Total in subtree
5

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 (3)

Show all 5 sub-variations (full subtree)