Chess — Bird Opening A03 : opening moves and positions
Chess · ECO A03
An ECO code groups opening lines, not one forced position. Step through legal notation from the CC0 Lichess dataset. This is a study viewer, without engine evaluation or a claim that a line is best.
1. f4 d5
FEN: rnbqkbnr/ppp1pppp/8/3p4/5P2/8/PPPPP1PP/RNBQKBNR w KQkq - 0 2
Source data · A03
8 PGN · 8 FEN · Opening line: 8
- Bird Opening: Dutch Variation:
1. f4 d5 - Bird Opening: Dutch Variation, Dudweiler Gambit:
1. f4 d5 2. g4 - Bird Opening: Sturm Gambit:
1. f4 d5 2. c4 - Bird Opening: Williams Gambit:
1. f4 d5 2. e4 - Bird Opening: Lasker Variation:
1. f4 d5 2. Nf3 Nf6 3. e3 c5 - Bird Opening: Williams Gambit:
1. f4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Qe2 - Bird Opening: Williams-Zilbermints Gambit:
1. f4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Nge2 - Bird Opening: Thomas Gambit:
1. f4 d5 2. b3 Nf6 3. Bb2 d4 4. Nf3 c5 5. e3
Game and item names below retain the source’s English identifiers so you can find them in the linked documentation.
Related game questions
- Chess — Zukertort Opening A04 : opening moves and positions
- Chess — Nimzo-Larsen Attack A01 : opening moves and positions
- Chess — Van Geet Opening A00 : opening moves and positions
- Chess — Zukertort Opening A06 : opening moves and positions
- Chess — King's Indian Attack A07 : opening moves and positions
- Chess — King's Indian Attack A08 : opening moves and positions
- Chess — English Opening A10 : opening moves and positions
- Chess — Réti Opening A11 : opening moves and positions
Using this reference
For Bird Opening, start at the first position and step through the moves rather than memorizing the final board. After each move, look for the piece that moved and the squares it now influences. The same opening name can cover several branches, so use the selected line’s move order as your reference.
The final position in the viewer is where this recorded line ends, not a verdict on the position. Choose another listed branch to see where the paths separate. The viewer displays legal source moves; it does not provide an engine evaluation or establish a forced continuation.
Sources and scope
Public source snapshot; changes after this version may differ. 2026-11-03
chess-a · CC0
chess-b · CC0
chess-c · CC0
chess-d · CC0
chess-e · CC0