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ECO A00Flank opening

Clemenz Opening

A move with little to say for itself

  • Offbeat

1.h3 is one of the rarest first moves. The pawn takes g4 away from Black's pieces, but it does not claim the centre or develop anything, and it slightly weakens the kingside. It is played for surprise, not for its merits.

Interactive Opening Board

3.Nf3

♚
Black
a
b
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d
e
f
g
h
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4
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1
8
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1
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h
♔
White
3.Nf3
Speed:

Moves

(5 plies • 3 moves)
3.Nf3Tabiya
  1. 1–3moves
  2. 1.
  3. 2.
  4. 3.

Defining move

1.h3 — a cautious rook pawn

The one move that makes it an opening

The pawn steps up and covers g4, so no black bishop or knight will arrive there. But the centre is left to Black, and after 1…d5 or 1…e5 White has to play an ordinary opening with an extra h3. The weakening of the kingside is small, and so is the gain.

Tabiya

A queen's pawn game with an extra h3

White has d4 and Nf3 as usual, and h3 does almost nothing in this structure. Black has taken the centre and develops freely. White relies on a safe set-up: short castling, a calm position, and nothing that looks lost.

White’s plan

  • Take the centre with d4 and Nf3 and play as in queen's pawn openings.
  • Play for surprise and switch set-ups if Black replies unusually.
  • Find a moment for h3 to be useful, for example by preparing g2-g4.

Black’s plan

  • Take the centre with …d5 or …e5.
  • Develop the pieces and ignore White's extra move.
  • Another route: …b6 or …b5, with the bishop on the long diagonal.

History

The opening is named after the Estonian player Hermann Clemenz (1846–1908). International master Michael Basman also experimented with it.

Games in the Atlas

No games in the Atlas yet