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Openings / D37
Queen's Gambit Declined: Three Knights
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7
- Evaluation
- +0.34 (White's view)
- White to move, best
- c1f4
- Main line
- c1f4 e8g8 e2e3 c7c5 d4c5
- Depth
- 24, Stockfish 17
- FEN
- rnbqk2r/ppp1bppp/4pn2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - 4 5
The modern main line of the QGD. 5.Bf4 (Harrwitz) keeps the bishop outside the pawn chain; Black equalises with ...c5 and ...Nc6 or the ...b6 setups.
Get this from the API
curl -s https://stockfishapi.com/v1/eval \
-H "Authorization: Bearer $STOCKFISH_API_KEY" \
-H "Content-Type: application/json" \
-d '{"fen":"rnbqk2r/ppp1bppp/4pn2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - 4 5","depth":24,"multipv":3}'const res = await fetch("https://stockfishapi.com/v1/eval", {
method: "POST",
headers: { Authorization: `Bearer ${process.env.STOCKFISH_API_KEY}`, "Content-Type": "application/json" },
body: JSON.stringify({
"fen": "rnbqk2r/ppp1bppp/4pn2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - 4 5",
"depth": 24,
"multipv": 3
}),
});
const data = await res.json();import os, requests
r = requests.post(
"https://stockfishapi.com/v1/eval",
headers={"Authorization": f"Bearer {os.environ['STOCKFISH_API_KEY']}"},
json={
"fen": "rnbqk2r/ppp1bppp/4pn2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - 4 5",
"depth": 24,
"multipv": 3
},
)
data = r.json()Related openings
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