Openings Used for Testing Stockfish 17

# ECO Opening Variation Moves
1 ? ? - 1. e4
2 D30 Queen's Gambit Declined General 1. d4 d5 2. c4 e6
3 D02 Queen Pawn Game Symmetrical Variation 1. d4 d5 2. Nf3 Nf6
4 B07 Pirc Defense General 1. e4 d6 2. d4 Nf6
5 B30 Sicilian Defense Nyezhmetdinov-Rossolimo Attack 1. e4 c5 2. Nf3 Nc6 3. Bb5
6 D31 Semi-Slav Defense Accelerated Move Order 1. d4 d5 2. c4 e6 3. Nc3 c6
7 A35 English Opening, Symmetrical Variation Four Knights Variation 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6
8 B01 Scandinavian Defense Modern Variation 1. e4 d5 2. exd5 Nf6
9 B12 Caro-Kann Defense, Advance Variation Tal Variation 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4
10 D50 Queen's Gambit Declined Modern Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5
11 A06 Nimzowitsch-Larsen Attack General 1. Nf3 d5 2. b3
12 A04 Zukertort Opening Nimzo-Larsen Variation 1. Nf3 Nf6 2. b3
13 A07 King's Indian Attack Yugoslav Variation 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4
14 A31 English Opening, Symmetrical Variation Anti-Benoni Variation 1. c4 c5 2. Nf3 Nf6 3. d4
15 E71 King's Indian Defense Makagonov Variation 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3
16 B41 Sicilian Defense, Kan Variation Maroczy Bind, Reti Variation 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4
17 A37 English Opening, Symmetrical Variation Two Knights Line 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3
18 B90 Sicilian Defense Najdorf Variation, Adams Attack 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3
19 B12 Caro-Kann Defense Advance Variation, Botvinnik-Carls Defense 1. e4 c6 2. d4 d5 3. e5 c5
20 B18 Caro-Kann Defense Classical Variation 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5
21 B10 Caro-Kann Defense Two Knights Attack 1. e4 c6 2. Nc3 d5 3. Nf3
22 A46 Torre Attack Classical Defense 1. d4 Nf6 2. Nf3 e6 3. Bg5
23 B01 Scandinavian Defense Gubinsky-Melts Defense 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6
24 B46 Sicilian Defense Paulsen Variation 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6