Closed Games Sub Groups

From MICOS code: D00.016.QP

Starts with 1.d4 d5 2.Nc3, an offbeat but aggressive system where White delays c4 to launch an early attack with Bg5 and e4 ideas. It’s ideal for players who want to steer the game away from heavy theory and into sharp, original territory.

From MICOS code: D00.052.QP

Starts with 1.d4 d5 2.Nf3 Nf6 3.Bg5, where White develops harmoniously and applies early pressure on the kingside. By pinning the knight, White limits Black’s options and aims for a solid, strategic middlegame without heavy theory.

From MICOS code: D00.058.QP

Starts with 1.d4 d5 2.Nf3 Nf6 3.e3, where White adopts a compact and reliable setup aimed at solid development and clear middlegame plans. By delaying early central tension, White focuses on structure, coordination, and controlled expansion.

From MICOS code: D01.003.QD

Starts with 1.d4 d5 2.c4 Bf5, where Black develops the bishop actively before committing to a solid pawn structure. By challenging White’s queenside development early, Black seeks initiative and piece activity rather than passive defence.

From MICOS code: D01.010.QD

Starts with 1.d4 d5 2.c4 c5, where Black immediately challenges White’s center instead of adopting classical Queen’s Gambit structures. The defence creates early asymmetry and invites tactical play.

From MICOS code: D01.014.QD

Starts with 1.d4 d5 2.c4 e5, a bold and underrated gambit where Black sacrifices a pawn for rapid development and central control. The Albin creates early imbalance and offers practical chances for counterattack against unprepared opponents.

From MICOS code: D01.055.QD

Starts with 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 0-0 6.Nf3. After completing harmonious development with Nf3, White establishes a flexible and classical framework that supports multiple strategic plans, including Bd3, Qc2, Rc1, and central pawn breaks.

From MICOS code: D01.107.QD

Starts with 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7, where Black develops the knight to d7 to reinforce the center and maintain structural flexibility. This setup avoids early commitments while supporting a wide range of central and queenside plans.

From MICOS code: D01.124.QD

Starts with 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5, where White immediately exchanges in the center to clarify the pawn structure. This early resolution reduces tension and leads to positions where plans are based on structure, piece coordination, and long-term pressure rather than sharp tactics.

From MICOS code: D01.134.QD

Starts with 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4, where White develops the bishop outside the pawn chain and delays Bg5. This flexible line aims for smooth development and long-term pressure without immediate confrontation.

From MICOS code: D01.142.QD

Starts with 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5, where Black immediately challenges the center without locking in the light-squared bishop. This line leads to dynamic and open positions with active piece play for both sides.

From MICOS code: D01.167.QD

Starts with 1.d4 d5 2.c4 Nc6, an unorthodox yet active defence where Black avoids e6 and develops rapidly. The Chigorin challenges classical norms and leads to piece-centric battles with early imbalances and creative possibilities.

From MICOS code: D02.018.QA

Starts with 1.d4 d5 2.c4 dxc4 3.Nf3 a6, where Black temporarily concedes the center to gain queenside flexibility and delay commitments. The move …a6 prepares …b5 in many lines, aiming to hold the extra pawn or force White to invest time in recovery.

From MICOS code: D02.032.QA

Starts with 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5, where Black aims for quick central counterplay and a solid structure. This classical approach balances development and space, leading to symmetrical but dynamic positions.

From MICOS code: D03.037.SL

Starts with 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5, where Black commits to an early queenside pawn grab and supports it with fast development. The Czech Defence is solid and ambitious, offering counterplay and structural clarity in one of the most dependable Slav lines.

From MICOS code: D04.013.BL

Starts with 1.d4 d5 2.e4 dxe4 3.Nc3 e5, where Black immediately counters White’s central pawn offer with an aggressive central strike. Instead of consolidating the extra pawn, Black challenges White’s development and aims to seize initiative through rapid piece activity.

From MICOS code: D04.043.BL

Starts with 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bg4, where Black accepts structural concessions in return for active piece play and pressure on White’s center. The opening leads quickly to open lines and tactical skirmishes.

From MICOS code: D04.051.BL

Starts with 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6, where Black fianchettos the bishop to stabilize the kingside and counter White’s central and attacking ambitions. Instead of clinging to the extra pawn, Black focuses on development, king safety, and long-term counterplay.

From MICOS code: D05.014.TA

Starts with 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.0-0 0-0, where Black accepts an isolated pawn for active piece play and open lines. The Classical Defence offers dynamic tension, long-term imbalances, and a test of both sides’ positional understanding.

From MICOS code: D06.003.SE

Starts with 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4, where White sacrifices a central pawn to seize space and launch rapid development. This ambitious setup leads to sharp positions with strong central presence and kingside attacking potential.

From MICOS code: D06.020.SE

Starts with 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5, where Black expands on the queenside and accepts structural imbalance for active piece play. The Meran is rich in theory and leads to sharp battles between central control and dynamic counterplay.