A00

Clemenz Opening

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Overview

Clemenz Opening is a chess opening at the root of the Flank Openings family, classified under ECO code A00.

The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.

It is reached after 1 ply of play, with the move sequence 1. h3.

It branches into 3 notable variations — Spike Lee Gambit, Creepy Crawly Formation: Classical Defense, Global Opening.

Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.

ECO code
A00
Group
Flank Openings (A)
Plies
1
Direct variations
3

This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.

Statistics from Lichess

1,054,090 games · White 44.4% / Draw 4.7% / Black 50.9%

MovesGamesW / D / B
d5336,369
e5328,995
c574,959
e666,567
Nf651,941
g639,483
c635,795
b630,304

Source: Lichess Opening Explorer · cached 2026-09-26 00:25:52

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Variations (3)