ECO code: D43
Opening Name: Semi-Slav: Botvinnik Variation, 5...Be7 6.e3 O-O
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Be7 6. e3 O-O
Description: The Botvinnik Variation within the Semi-Slav is a highly complex and strategically rich line. Black’s move 5...Be7 is a flexible developing move that prepares to castle while keeping options open for pawn breaks and piece maneuvers. White’s 6.e3 solidifies the center and prepares to develop the dark-squared bishop, maintaining central tension.
Characteristic of 6...O-O: Black castles early to ensure king safety and supports potential central and queenside counterplay. This move signals a readiness to enter a sharp middlegame where both sides must carefully balance attack and defense.
Attacking or Defensive: For White, this line is generally attacking, aiming to challenge Black’s solid center and exploit the pin on the knight (via Bg5). For Black, the setup is initially defensive, focusing on solid structure and king safety, but Black often seeks counter-attacking chances in the center and on the queenside.
Center Control: Both sides contest the center actively. White looks to maintain and build central presence with pawns on d4 and c4, while Black’s pawns on d5 and c6 support a strong defensive grip and prepare potential breaks like ...dxc4 or ...e5 later.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.
Practice puzzles and train your tactics with real positions from games that used the Semi-Slav: Botvinnik, 5...Be7 6.e3 O-O, and sharpen your opening mastery.
Puzzle 1 of 5 - Move #9 black