STOCKFISH 14–19Latest release: 19Explore engines ↗

Openings / B22

Sicilian Defense: Alapin Variation

1. e4 c5 2. c3

♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♙♙♙♙♙♙♙♙♖♘♗♕♔♗♘♖
Evaluation
+0.22 (White's view)
Black to move, best
g8f6
Main line
g8f6 e4e5 f6d5 d2d4 c5d4
Depth
24, Stockfish 17
FEN
rnbqkbnr/pp1ppppp/8/2p5/4P3/2P5/PP1P1PPP/RNBQKBNR b KQkq - 0 2

White prepares d4 without allowing ...cxd4 Nxd4. Black's most reliable replies are 2...Nf6 and 2...d5, both aiming at the e4/d4 centre immediately.

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":"rnbqkbnr/pp1ppppp/8/2p5/4P3/2P5/PP1P1PPP/RNBQKBNR b KQkq - 0 2","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": "rnbqkbnr/pp1ppppp/8/2p5/4P3/2P5/PP1P1PPP/RNBQKBNR b KQkq - 0 2",
    "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": "rnbqkbnr/pp1ppppp/8/2p5/4P3/2P5/PP1P1PPP/RNBQKBNR b KQkq - 0 2",
        "depth": 24,
        "multipv": 3
    },
)
data = r.json()

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