ChessAlgo Opening Library

Closed & Semi-Closed Games

ChessAlgo opening guides for the Closed & Semi-Closed Games family — move order, learning level, and direct opening links.

All Openings A Flank Openings B Semi-Open Games C Open Games D Closed & Semi-Closed Games E Indian Defenses
ECO D00 Array Queen's Pawn Game Closed & Semi-Closed Games Moves: 1. d4 d5 2 moves Open guide → ECO D02 Array London System Closed & Semi-Closed Games Moves: 1. d4 d5 2. Nf3 Nf6 3. Bf4 5 moves Open guide → ECO D05 Array Colle System Closed & Semi-Closed Games Moves: 1. d4 d5 2. Nf3 Nf6 3. e3 5 moves Open guide → ECO D01 Array Richter-Veresov Attack Closed & Semi-Closed Games Moves: 1. d4 d5 2. Nc3 Nf6 3. Bg5 5 moves Open guide → ECO D00 Array Blackmar-Diemer Gambit Closed & Semi-Closed Games Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 7 moves Open guide → ECO D06 Array Queen's Gambit Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 3 moves Open guide → ECO D20 Array Queen's Gambit Accepted Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 dxc4 4 moves Open guide → ECO D30 Array Queen's Gambit Declined Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 4 moves Open guide → ECO D35 Array QGD: Exchange Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 8 moves Open guide → ECO D10 Array Slav Defense Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 4 moves Open guide → ECO D43 Array Semi-Slav Defense Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 8 moves Open guide → ECO D44 Array Semi-Slav: Anti-Meran Gambit Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 10 moves Open guide → ECO D70 Array Grünfeld Defense Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 6 moves Open guide → ECO D85 Array Grünfeld: Exchange Variation Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 11 moves Open guide → ECO D37 Array QGD: Four Knights Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Nbd7 8 moves Open guide → ECO D32 Array Tarrasch Defense Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 3. Nc3 c5 6 moves Open guide → ECO D30 Array Queen's Gambit Declined: Vienna Variation Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+ 8 moves Open guide → ECO D35 Array Queen's Gambit Declined: Harrwitz Attack Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 7 moves Open guide → ECO D10 Array Slav Defense: Exchange Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. cxd5 cxd5 6 moves Open guide → ECO D15 Array Slav Defense: Three Knights Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 7 moves Open guide → ECO D90 Array Grünfeld Defense: Three Knights Variation Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 7 moves Open guide → ECO D96 Array Grünfeld Defense: Russian Variation Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 9 moves Open guide → ECO D41 Array Semi-Tarrasch Defense Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 10 moves Open guide → ECO D53 Array Queen's Gambit Declined: Lasker Defense Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Ne4 12 moves Open guide → ECO D25 Array Queen's Gambit Accepted: Classical Defense Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 9 moves Open guide → ECO D17 Array Slav Defense: Czech Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 10 moves Open guide → ECO D58 Array Queen's Gambit Declined: Tartakower Defense Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 14 moves Open guide → ECO D00 Array Stonewall Attack Closed & Semi-Closed Games Moves: 1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. f4 7 moves Open guide → ECO D07 Array Queen's Gambit: Chigorin Defense Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 Nc6 4 moves Open guide → ECO D09 Array Queen's Gambit: Albin Counter-Gambit Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e5 3. dxe5 d4 6 moves Open guide → ECO D38 Array Queen's Gambit Declined: Ragozin Defense Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 8 moves Open guide → ECO D60 Array Queen's Gambit Declined: Orthodox Defense Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 12 moves Open guide → ECO D41 Array Queen's Gambit Declined: Semi-Tarrasch Defense Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 9 moves Open guide → ECO D55 Array Queen's Gambit Declined: Neo-Orthodox Variation Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 12 moves Open guide → ECO D31 Array Queen's Gambit Declined: Charousek Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 3. Nc3 Be7 6 moves Open guide → ECO D38 Array Queen's Gambit Declined: Westphalian Variation Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 c5 12 moves Open guide → ECO D48 Array Semi-Slav Defense: Meran Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 18 moves Open guide → ECO D31 Array Semi-Slav Defense: Noteboom Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 8 moves Open guide → ECO D45 Array Semi-Slav Defense: Stoltz Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 15 moves Open guide → ECO D46 Array Semi-Slav Defense: Romih Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bb4 12 moves Open guide → ECO D10 Array Slav Defense: Winawer Countergambit Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nc3 e5 6 moves Open guide → ECO D16 Array Slav Defense: Soultanbeieff Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 10 moves Open guide → ECO D11 Array Slav Defense: Quiet Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 7 moves Open guide → ECO D80 Array Grünfeld Defense: Stockholm Variation Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 7 moves Open guide → ECO D90 Array Grünfeld Defense: Flohr Variation Closed & Semi-Closed Games Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ 9 moves Open guide → ECO D20 Array Queen's Gambit Accepted: Saduleto Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 dxc4 3. e4 5 moves Open guide → ECO D21 Array Queen's Gambit Accepted: Godes Variation Closed & Semi-Closed Games Moves: 1. d4 d5 2. c4 dxc4 3. Nf3 Nd7 6 moves Open guide →