update chess openings db

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Synced from lichess-org/chess-openings

Changes:

+  A00 Polish Opening, with d5 1. b4 d5
+  A00 Polish Opening, with d5 1. b4 d5 2. Bb2 Nf6 3. Nf3
-  A05 Polish Opening: Zukertort System 1. Nf3 Nf6 2. b4
+  A05 Polish Opening: Zukertort System 1. Nf3 Nf6 2. b4 g6 3. Bb2
+  A07 King's Indian Attack, with Bf5 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 e6 6. Nbd2
+  A07 King's Indian Attack, with Bf5 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6
+  A07 King's Indian Attack, with e6 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7
+  A09 Réti Opening: Advance Variation, Navara Gambit 1. Nf3 d5 2. c4 d4 3. b4 g5
+  A13 English Opening: Agincourt Defense 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O
+  A13 English Opening: Agincourt Defense 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O 6. d4
+  A15 English Orangutan 1. c4 Nf6 2. Nf3 g6 3. b4
+  A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O d6
+  A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7
+  A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. a3
+  A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. d3
+  A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. d3 d6
+  A47 Pseudo Queen's Indian Defense 1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. Bd3 e6 5. Nbd2 c5 6. b3 Be7
+  B07 Lion Defense 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
+  B13 Caro-Kann Defense: Exchange Variation 1. e4 c6 2. d4 d5 3. exd5 cxd5
+  B13 Caro-Kann Defense: Exchange Variation 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bf4
+  B15 Caro-Kann Defense: Tartakower Variation, Perlis Line 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 h6
+  B20 Sicilian Defense: Czerniak Attack 1. e4 c5 2. b3
+  B20 Sicilian Defense: Czerniak Attack, Queen Fianchetto Variation 1. e4 c5 2. b3 b6
-  B20 Sicilian Defense: Snyder Variation 1. e4 c5 2. b3
-  B20 Sicilian Defense: Snyder Variation, Queen Fianchetto Variation 1. e4 c5 2. b3 b6
+  B21 Sicilian Defense: McDonnell Attack, Toilet Variation 1. e4 c5 2. f4 d5 3. Nc3
+  B22 Sicilian Defense: Alapin Variation, Anti-Alapin Gambit 1. e4 c5 2. c3 d5 3. exd5 Nf6
+  B23 Sicilian Defense: Closed, Carlsen Variation 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2
+  B23 Sicilian Defense: Closed, Portland Attack 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g4
+  B27 Sicilian Defense: Hyperaccelerated Dragon 1. e4 c5 2. Nf3 g6 3. d4
-  B27 Sicilian Defense: Hyperaccelerated Fianchetto 1. e4 c5 2. Nf3 g6 3. d4
+  B30 Sicilian Defense: Closed, Anti-Sveshnikov Variation 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5
-  B33 Sicilian Defense: Four Knights Variation, Cobra Variation 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bc5
+  B45 Sicilian Defense: Four Knights Variation, Cobra Variation 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bc5
+  B45 Sicilian Defense: Four Knights Variation, Exchange Variation 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc6
-  B45 Sicilian Defense: Four Knights Variation, Exchange Variation 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6
+  B45 Sicilian Defense: Four Knights Variation, Sveshnikov Transfer 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6
+  B75 Sicilian Defense: Dragon Variation, Yugoslav Attack, Hungarian Dragon 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. f3 h5
+  B77 Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb3
+  B78 Sicilian Defense: Dragon Variation, Yugoslav Attack, Chinese Dragon 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rb8
+  B78 Sicilian Defense: Dragon Variation, Yugoslav Attack, Topalov Variation 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Nxd4 12. Bxd4
+  C02 French Defense: Advance Variation, Kupreichik Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be3
+  C18 French Defense: Winawer Variation, Advance Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7
+  C18 French Defense: Winawer Variation, Advance Variation, with Bd3 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bd3
+  C18 French Defense: Winawer Variation, Advance Variation, with Bd3 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bd3 Qc7
+  C18 French Defense: Winawer Variation, Advance Variation, with h4 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4
+  C18 French Defense: Winawer Variation, Advance Variation, with h4 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 Qc7
+  C18 French Defense: Winawer Variation, Poisoned Pawn Variation Declined 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Bd3
-  C19 French Defense: Winawer Variation, Advance Variation, Smyslov Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. a4 Nbc6 8. Nf3
+  C19 French Defense: Winawer Variation, Advance Variation, Smyslov Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. a4 Qc7
+  C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3
+  C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2
+  C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 Bd7
+  C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 c4
+  C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Qd2
+  C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Qd2 Bd7
+  C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bd3 Nbc6 8. Nf3
+  C24 Bishop's Opening: Paulsen Defense 1. e4 e5 2. Bc4 Nf6 3. d3 c6
+  C47 Four Knights Game: Naroditsky Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nd5
+  C54 Italian Game: Classical Variation, Greco Gambit, Dubov Italian 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. b4
-  C62 Ruy Lopez: Old Steinitz Defense, Semi-Duras Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c4
+  C62 Ruy Lopez: Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4
+  C62 Ruy Lopez: Steinitz Defense, Semi-Duras Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c4
-  C65 Ruy Lopez: Berlin Defense, Anderssen Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+
+  C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3
+  C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Anderssen Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+
+  C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Duras Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c4
+  C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Kaufmann Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3
+  C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Trap 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. Nxe5 c6
+  C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7
-  C65 Ruy Lopez: Berlin Defense, Duras Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c4
-  C65 Ruy Lopez: Berlin Defense, Kaufmann Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3
-  C65 Ruy Lopez: Berlin Defense, Mortimer Trap 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. Nxe5 c6
-  C65 Ruy Lopez: Berlin Defense, Mortimer Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7
+  C83 Ruy Lopez: Open, Classical Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
+  D05 Queen's Pawn Game: Colle System 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. b3 Be7 7. Bb2 O-O 8. Nbd2 d5
+  D08 Queen's Gambit Declined: Albin Countergambit, Spassky Variation 1. d4 d5 2. c4 e5 3. dxe5 d4 4. e4
+  D12 Slav Defense: Quiet Variation, Schallopp Defense 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6
+  D15 Slav Defense: Chebanenko Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 Bf5
-  D31 Queen's Gambit Declined: Uhlmann Variation 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. Rc1 dxc4
+  D35 Queen's Gambit Declined: Exchange Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 b6 5. Nc3 Bd6 6. cxd5 exd5
+  D35 Queen's Gambit Declined: Exchange Variation, Carlsen Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 Bg4
+  D36 Queen's Gambit Declined: Exchange Variation, Reshevsky Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Nbd7 8. Bd3
+  D36 Queen's Gambit Declined: Exchange Variation, Reshevsky Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 O-O 8. Bd3
+  D36 Queen's Gambit Declined: Exchange Variation, Reshevsky Variation 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 O-O 8. Bd3 h6 9. Bh4
+  D41 Queen's Gambit Declined: Semi-Tarrasch Defense, Endgame Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. e4 dxe4 8. Qxd8+
+  D41 Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3
-  D43 Queen's Gambit Declined: Hastings Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3
+  D43 Semi-Slav Defense: Hastings Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3
+  D43 Semi-Slav Defense: Moscow Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6
+  D53 Queen's Gambit Declined 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3
+  D53 Queen's Gambit Declined: Uhlmann Variation 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. Rc1 dxc4
+  E11 Bogo-Indian Defense: Retreat Variation 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 Nbd7 7. O-O O-O 8. Qc2 c6 9. b3
+  E11 Bogo-Indian Defense: Retreat Variation 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 Nbd7 7. O-O O-O 8. Qc2 c6 9. Rc1
+  E11 Bogo-Indian Defense: Retreat Variation 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 Nbd7 7. O-O O-O 8. Qc2 c6 9. Rd1
+  E11 Bogo-Indian Defense: Retreat Variation 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 Nbd7 7. O-O O-O 8. Qc2 c6 9. Rd1 h6
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 b6 5. Nc3 Bb7
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 b6 5. Nc3 Bd6 6. Bd3
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 b6 5. Nc3 Bd6 6. Bd3 O-O 7. O-O Bb7
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. b3 O-O 6. Bb2 b6 7. Nbd2 Bb7 8. Bd3
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. b3 O-O 6. Bd3 b6
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. Nc3 O-O 6. b3 b6
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 c5 6. b3 Be7 7. Bb2 d6 8. O-O O-O 9. c4
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. c4
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. c4 Be7
+  E14 Queen's Indian Defense, with e3 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. c4 g6
+  E14 Queen's Indian Defense, with e3 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Be7 5. d4 O-O 6. b3 b6 7. cxd5 exd5 8. Bb2 Bb7 9. Bd3
+  E14 Queen's Indian Defense, with e3, Bb4+ Line 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. e3 Bb7
+  E14 Queen's Indian Defense: Spassky System 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7
+  E14 Queen's Indian Defense: Spassky System 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3
+  E14 Queen's Indian Defense: Spassky System 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5
+  E14 Queen's Indian Defense: Spassky System3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5
+  E14 Queen's Indian Defense: Spassky System3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. Nc3 cxd4 7. exd4 Be7 8. O-O d5 9. cxd5 Nxd5
+  E57 Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 dxc4 9. Bxc4 cxd4
+  E71 King's Indian Defense: Karpov System 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3
+  E81 King's Indian Defense: Sämisch Variation, Sämisch Gambit Accepted 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5
-  E81 King's Indian Defense: Sämisch Variation, with Bg5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. Nxd5
-  E81 King's Indian Defense: Sämisch Variation, with Bg5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 h6 9. Bxh6
-  E81 King's Indian Defense: Sämisch Variation, with Bg5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 h6 8. Bf4
+  E81 King's Indian Defense: Steiner Attack 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. Nxd5
+  E81 King's Indian Defense: Steiner Attack 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 h6 9. Bxh6
+  E81 King's Indian Defense: Steiner Attack 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 h6 8. Bf4
+  E88 King's Indian Defense: Sämisch Variation, Closed Variation 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6

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