Chessy
The Clemenz Opening: e6 – A Quiet Start with Surprising Depth
The Clemenz Opening starts with 1.h3, which looks like a beginner's move — and maybe it is — but after 1.h3 e6 2.e4 you've reached a real position with a real game of chess ahead of you. Black to move now faces a board that looks like a French Defence but without your kingside pawn on f2 committed yet. The engine calls this +0.11, a tiny edge for you as White — essentially dead equal. Across over 175,000 online games, Black actually wins slightly more often (50.3%) than White (45.5%), which tells you this isn't a fear-inducing line. The drill below will test you against the most common Black replies so you learn to handle this unusual opening with confidence.
Play the Clemenz Opening: e6 against the engine
Free, no signup — you play white, the engine adapts to your level.
Test yourself against Black's most common replies in an interactive drill. The adapting engine will challenge you with the exact positions real opponents play.
Create a free account →What Are You Fighting For?
With 1.h3 you've spent a tempo on a non-developing move, so you're starting a half-step behind. The compensation is that you've prevented ...Bg4 and kept your options open. After 2.e4 the position resembles a French Defence (1.e4 e6) except your kingside is slightly different. Your main ideas are simple: develop naturally (Nf3, Be2 or Bd3, 0-0), fight for the centre when Black challenges it, and trust your fundamentals. You're not trying to trap anyone — you're playing solid chess from a slightly awkward starting point. The statistics bear this out: Black scores better across every popular reply, so the Clemenz Opening is a practical choice only if you're comfortable being the one who has to prove equality.
The Critical Reply: d5
Black's most popular move by a huge margin is 2...d5, played in over 92,600 games — more than all other moves combined. This is also the engine's top recommendation. After 3.exd5 exd5 you reach a symmetrical pawn centre, and now the engine's best continuation is 4.d4, grabbing space and transposing into a Queen's Pawn-type structure. White scores only 43.6% from this position, which is worse than the overall average — so you need to be precise. The good news: having your h-pawn on h3 rather than h2 is irrelevant in most lines, and you can develop your knight to f3, bishop to d3, castle, and play a normal game. Don't fear this line; just know it requires careful play.
The Single Biggest Mistake to Avoid
Black sometimes plays 2...Nf6, and you might think that's a perfectly reasonable developing move. The engine disagrees. 2...Nf6 is flagged as an inaccuracy that loses about 0.7 pawns of advantage for Black — which means it's a gift for you. The correct response is simply to meet it with 3.e5, pushing the knight away and gaining space and time. After the knight retreats, you've already achieved more than you deserve from 1.h3. If you see 2...Nf6, jump on it. Black plays this in over 5,700 games and scores 49.2% — respectably — so plenty of players make this
Results across 175,467 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| d5 | 92,643 | 43.6% |
| c5 | 13,787 | 45.2% |
| b6 | 11,328 | 46.0% |
| c6 | 10,685 | 48.7% |
| d6 | 9,546 | 47.2% |
| Nf6 | 5,722 | 49.2% |
Frequently asked questions
Is the Clemenz Opening a joke opening?
It's an offbeat opening that starts with 1.h3, a move that doesn't develop or fight for the centre. While it isn't considered theoretically sound at master level, it's perfectly playable at club level. The engine gives it +0.11 — dead equal — so you're not losing immediately, but you are starting a half-tempo behind.
What is Black's best response to 1.h3?
The most common and engine-approved reply is 1...e6, intending 2...d5. After 1.h3 e6 2.e4, Black plays 2...d5 in over 92,000 games, and the engine agrees that d5 is the best move. This leads to a symmetrical pawn centre after 3.exd5 exd5, and then 4.d4 is the top continuation.
How should White respond to 2...Nf6 in the Clemenz Opening?
2...Nf6 is considered an inaccuracy by the engine because it allows 3.e5, pushing the knight away and gaining space. After the knight retreats, you've already made progress. Black scores 49.2% from this position, but you as White have a clear advantage if you know to push e5.
Does White have any advantage after 1.h3 e6 2.e4?
The engine gives +0.11, which is a tiny edge for White — essentially dead level. However, the statistics tell a different story: across over 175,000 games, Black wins 50.3% to White's 45.5%. Practically speaking, you're playing from slightly behind, but the position is perfectly sound and playable.