Caissa Codex
A40

Queen's Pawn Game: Modern Defense trainer

Back to the opening, all openings to practise or my repertoire

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

Practise the Queen's Pawn Game: Modern Defense

Play Black's moves of the line from memory — 1. d4 g6 — and the trainer plays White's replies; "Play the other side" turns it around.

"Drill all" adds the 21 named lines that continue it, such as Modern Defense, Modern Defense: Averbakh System, Modern Defense: Kotov Variation, Pterodactyl Defense: Queen Pterodactyl, Quiet Line, Pterodactyl Defense: Eastern, Benoni, Modern Defense: Beefeater Variation, Queen's Pawn Game: Chigorin Variation, Fianchetto Defense, Modern Defense: Averbakh Variation, Pseudo-Sämisch.

Read about the line, its statistics on Lichess and Stockfish's evaluation on the Queen's Pawn Game: Modern Defense page, or pick another opening in the opening trainer.

https://chesscodex.org/train/queens-pawn-game-modern-defense