Flank Openings Sub Groups

From MICOS code: A00.001.IO

Anderssen’s Opening starting with 1.a3, a restrained yet purposeful first move that keeps White flexible while avoiding immediate theoretical battles.

From MICOS code: A00.007.IO

Starting with 1.a4, the Ware Opening is a quirky flank attack that sidesteps theory and dares Black to think on their feet from move one.

From MICOS code: A00.016.IO

Starting with 1.b4, the Polish Opening strikes at the center from the wings, catching unprepared opponents off guard with early queenside initiative.

From MICOS code: A00.049.IO

Saragossa Opening begins with 1.c3, a quiet preparatory move that supports a later d4 while keeping White’s central structure flexible. 

From MICOS code: A00.053.IO

Starting with 1.d3, Mieses Opening is a flexible, offbeat setup that quietly builds control before springing central action on its own terms.

From MICOS code: A00.059.IO

Starting with 1.e3, Van’t Kruijs Opening is a mysterious first move that keeps options wide open—ideal for creative players who prefer to chart their own course.

From MICOS code: A00.067.IO

Barnes Opening begins with 1.f3, an early pawn move that immediately weakens the kingside while staking limited central influence.

From MICOS code: A00.073.IO

Starting with 1.g3, Hungarian Opening is a quiet, flexible start that invites a slow buildup—perfect for players who like to steer the game into calm but uncharted waters.

From MICOS code: A00.095.IO

Starting with 1.g4, Grob Opening is a wild, provocative flank attack that aims to unbalance the game from move one — ideal for fearless players who love surprise and sharp tactics.

From MICOS code: A00.118.IO

Clemenz Opening begins with 1.h3, a quiet waiting move that prevents …Bg4 while keeping White’s central structure completely flexible.

From MICOS code: A00.121.IO

Starting with 1.h4, Kadas Opening is one of the most mysterious and rarely seen first moves in chess: 1.h4. It immediately invites chaos by exposing the h-pawn and daring Black to overextend or react too aggressively.

From MICOS code: A00.131.IO

Sodium Attack begins with 1.Na3, an unusual knight development that immediately breaks with classical opening principles.

From MICOS code: A00.135.IO

Starting with 1.Nc3, Van Geet Opening is a flexible and unorthodox system that begins with an early knight sortie, aiming to sidestep mainstream theory and control the game on your terms.

From MICOS code: A00.175.IO

Amar Opening begins with 1.Nh3, an unconventional knight development that immediately avoids mainstream opening theory.

From MICOS code: A02.004.EN

Starting with 1.c4 c5, the Symmetrical Defence is where Black mirrors White’s first move, leading to highly flexible and strategic battles. The symmetry often breaks subtly, offering rich middlegame plans rooted in maneuvering and long-term pawn structures.

From MICOS code: A02.040.EN

Anglo-Slav Defence: Scandinavian Defence (Minor Sub Group) arises after 1.c4 d5, where Black immediately challenges the flank opening with a central pawn thrust. 

From MICOS code: A02.046.EN

Starting with 1.c4 e5, King’s English introducing immediate central tension. This sharp and ambitious setup allows White to dictate early direction, blending English structure with aggressive intent. A favorite among dynamic, initiative-seeking players.

From MICOS Range: A02.103.EN

Starting with 1.c4 e6, Agincourt Defence a flexible reply where Black holds back central tension and keeps options open. Named after the famed battlefield, it often leads to slow-building positional struggles and transpositional opportunities.

From MICOS code: A02.128.EN

Anglo-Dutch Defence begins with 1.c4 f5, where Black challenges the center from the flank while White keeps the English Opening flexibility.

From MICOS code: A02.142.EN

Starting with 1.c4 Nf6, Anglo-Indian Defence a modern and flexible setup where Black develops actively without committing the center. This move invites rich transpositions into Indian systems, blending English nuance with King’s Indian or Nimzo-Indian themes.

From MICOS code: A03.003.BI

Dutch Defence begins with 1.f4 d5, an assertive first move that immediately challenges central control from the flank and signals aggressive intentions.

From MICOS code: A03.016.BI

Starting with 1.f4 e5, From’s Gambit is an aggressive counterattack to Bird’s Opening.

From MICOS code: A04.023.RE

Starting with 1.Nf3 d5 2.c4 c6 3.b3, Anglo-Slav Defence blends the flexibility of the Réti Opening with the solid structure of the Slav Defence.

From MICOS code: A04.042.RE

Starting with 1.Nf3 d5 2.g3, King’s Indian Attack signaling a hypermodern approach — White controls the center from a distance with pieces rather than early pawns.