D45

Semi-Slav Defense: Stoltz Variation

Chess diagram: Semi-Slav Defense: Stoltz Variation after 6. Qc2

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Statistics from Lichess

250,873 games: White 50.9% / Draw 7.0% / Black 42.1%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
153,836154K
44,05944K
12,50713K
11,79112K
11,45211K
9,1569,156
2,0152,015
1,6111,611

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 25, 2026

Engine evaluation

+0.18 The position is about equal

Best play: 6... Bd6 7. Bd3 O-O 8. O-O e5 9. cxd5 cxd5 10. e4 dxe4 11. Nxe4

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

By rating

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 1,694
1400–1799 17K
1800–2199 104K
2200 and up 134K
Masters, over the board 21K

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

Semi-Slav Defense: Stoltz Variation (ECO D45, Closed & Semi-Closed Games) is a variation of the Semi-Slav Defense: Normal Variation, reached after 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 (6 moves).

In 250,873 rated Lichess games between players rated 1600 to 2500, White won 50.9%, Black 42.1% and 7.0% were drawn. Black's most played move here is 6…Bd6, in 61% of those games.

It branches into 3 named variations; the most played are Semi-Slav Defense: Chigorin Defense and Semi-Slav Defense: Chigorin Defense. In all, 6 named lines continue from it.

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How to play against the Semi-Slav Defense: Stoltz Variation

The most played answer, 6…Bd6, also scores best for Black: 46.9%, with Black winning 43.2% and White 49.4% of 154K games. Of the main answers, 6…Be7 scores lowest: 43.2%. Stockfish's first choice is also 6…Bd6.

Main answers: those played in at least 5% of these games. Score: Black's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Popularity by year

The Semi-Slav Defense: Stoltz Variation has lost ground since 2016: 0.0082% of Lichess games in 2025, down from 0.012% (its peak: 0.013% in 2018).

Numbers by year
YearShare of gamesGames
20160.012%4,272
20170.013%7,243
20180.013%10,410
20190.012%14,501
20200.012%36,337
20210.0096%37,500
20220.0094%35,306
20230.0088%33,127
20240.0086%30,987
20250.0082%28,535
2026 (Jan–Apr)0.0078%8,554

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Variations (3)

All 6 named lines that continue from here

Cite this page

Caissa Codex. “Semi-Slav Defense: Stoltz Variation (D45)”. Lichess data as of 25 Oct 2026. https://chesscodex.org/openings/semi-slav-defense-stoltz-variation