Barnes Opening: Hammerschlag
1. f3 e5 2. Kf2
The Barnes Opening: Hammerschlag is a chess opening classified as ECO A00, reached after 1. f3 e5 2. Kf2. It is a line of the Barnes Opening. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 449 times by this move order. White won 43%, 4% were drawn and Black won 53%. The most popular continuation is 2… d5 (46% of games).
Engine evaluation: −1.39 (Stockfish, depth 34; best line 2… d5 3. e3 Nc6 4. Bb5 Bd7 5. Ne2)
- ECO
- A00
- Moves
- 3 plies
- FEN
rnbqkbnr/pppp1ppp/8/4p3/8/5P2/PPPPPKPP/RNBQ1BNR b kq - 1 2- PGN
1. f3 e5 2. Kf2
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 186 | |
| 1500-1999 | 183 | |
| 2000+ | 80 | |
| All | 449 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 2… d5 | 205 (46%) | |
| 2… Bc5+ | 77 (17%) | |
| 2… Nf6 | 46 (10%) | |
| 2… Nc6 | 44 (10%) | |
| 2… f5 | 21 (5%) | |
| 2… d6 | 16 (4%) | |
| 2… Qh4+ | 15 (3%) | |
| 2… e4 | 9 (2%) |
Master games
57 over-the-board games are classified under this line (White 51%, draw 7%, Black 42%). The strongest:
- GM Magnus Carlsen (2863) – GM So, W. (2770) 1-0 · Chess24 Banter Final 2020 · 2020-09-29
- Mikolaj Nowak (2316) – GM Jose Eduardo Martinez Alcantara (2606) 0-1 · Titled Tue 15th Apr Late · 2025-04-15
- Mikolaj Nowak (2316) – GM Krikor Sevag Mekhitarian (2564) 0-1 · Titled Tue 6th May Early · 2025-05-06
- Mikolaj Nowak (2316) – GM Mahel Boyer (2528) 0-1 · Titled Tue 29th Apr Early · 2025-04-29
- IM Lawrence Trent (2399) – IM Daniel Rensch (2402) 1-0 · I'M Not A GM Speed Chess · 2021-01-10
Search all games of the Barnes Opening: Hammerschlag and its sub-variations
Highest-rated Lichess games
- IM liczner (2725) – shashist26 (2569) 0-1 · 2026-09-01 · 180 + 0s
- IM NeverW84M8 (2560) – iceonboardBh7 (2493) 0-1 · 2026-09-06 · 180 + 0s
- Paturebinhagmail (2428) – gedchess (2451) 0-1 · 2026-09-05 · 180 + 0s
Comes from
Barnes Opening 1. f3
More Barnes Opening lines (all)
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.