

The Dutch Defence: 1.d4 f5 2.c4... 8.b3 begins with 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d6 7.Nc3 Qe8 8.b3 (ECO A99). Across rating levels it shows up in 9,400 recorded games — enough data to map exactly where it succeeds and where it stalls.
History and Notable Players
It arises from the Dutch Defence: 1.d4 f5 2.c4... Qe8. On the White side, Georg Danner (5 games), Jan Adamski (4 games), Daniel Varela (3 games) top the database. Notable Black exponents: Alan Spice (13 games), Eva Moser (12 games), Jaroslav Polasek (9 games).
Move Diversity and Theory Depth
Move choice is far from uniform in the Dutch Defence: 1.d4 f5 2.c4... 8.b3. At 1200 Elo, the top reply is Nbd7, played 21.4% of the time. There are 6 other moves seeing meaningful share, and 53.6% of games stick to established theory. Entropy: 3.24. By 2500, a5 dominates at 23.5% of replies; only 8 viable alternatives remain and 51.5% of moves are theory. Entropy drops to 2.89.
Common Mistakes
- Neglecting development — Extra pawn moves in the opening are tempting, especially when you "know the moves". Developing a piece each turn is the simple correction.
- Playing without a plan — Each Dutch Defence: 1.d4 f5 2.c4... 8.b3 middlegame demands a specific approach. Decide whether the position calls for attack, manoeuvre, or simplification before reaching for a move.
Practice on Chessiverse
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