Ruy Lopez

1. e4White establishes a strong e4 pawn controlling the center.
2. e5Black mirrors with e5. The double king pawn opening leads to open, principled chess.
3. Nf3White develops the knight and immediately attacks the e5 pawn.
4. Nc6Black defends e5 with Nc6, the most natural move.
5. Bb5The Ruy Lopez. The bishop pins the c6 knight, indirectly threatening e5. If Nc6 moves, e5 falls.
6. a6The Morphy Defense — Black threatens to win the bishop with ...b5. This is Black's most popular and solid response.
7. Ba4White retreats to a4 to maintain the pin without allowing ...b5 to win the bishop.
8. Nf6Black develops Nf6, counterattacking e4 and increasing central pressure.
9. O-OWhite castles, putting the king to safety and connecting the rooks. A model move in the Lopez.
10. Be7Black develops the bishop to e7, preparing to castle. Solid and flexible.
11. Re1White's rook moves to e1, supporting the e4 pawn and preparing to fight on the e-file.
12. b5Black gains queenside space with ...b5, gaining time on the bishop.
13. Bb3White retreats the bishop to b3 where it stays active and eyes the f7 pawn.
14. d6Black plays d6, the Closed Ruy Lopez setup. The pawn supports e5 and prepares ...Be6 or ...Nd7.
15. c3White plays c3 preparing the thematic d2-d4 central break — the cornerstone of White's plan.
16. O-OBlack castles kingside, completing development. Both sides are ready for the middlegame battle.

The Berlin Wall — one of the most solid defenses. Black trades the e-pawn and accepts doubled c-pawns for excellent piece activity. Kramnik used this to defeat Kasparov in the 2000 World Championship. The resulting endgame is famous for its subtle maneuvering.

1. e4White occupies e4, controlling d5 and f5 and launching the open game.
2. e5Black mirrors with e5, meeting White's central claim directly. The symmetrical pawn structure leads to open, principled play.
3. Nf3White develops the knight to f3, attacking the e5 pawn and beginning the Ruy Lopez setup.
4. Nc6Black defends e5 with Nc6, the most natural defensive move.
5. Bb5The Ruy Lopez — Bb5 pins the c6 knight, indirectly threatening e5. This is one of the oldest and most respected opening moves.
6. Nf6The Berlin Defense — Nf6 counterattacks e4 rather than defending e5 directly. Black invites complications.
7. O-OWhite castles, prioritizing king safety over winning the e5 pawn immediately. A key strategic choice.
8. Nxe4Black captures Nxe4, winning a pawn but exposing the knight. This is the defining Berlin moment.
9. d4White plays d4, attacking the e4 knight and opening lines. The key move that drives Black's knight away.
10. Nd6Black retreats Nd6, an unusual square for the knight, but correct — it attacks the b5 bishop and prepares to recapture after d4xe5.
11. Bxc6White captures Bxc6, doubling Black's pawns. The bishop trade is the price White pays to maintain the pressure.
12. dxc6Black recaptures with the d-pawn, accepting the doubled c-pawns but opening the d-file and increasing piece activity significantly.
13. dxe5White advances dxe5, winning the pawn that started it all. Black's position looks awkward but is very resilient.
14. Nf5Black retreats Nf5, relocating the knight from its odd d6 square. From f5 it attacks e3 and g3, maintaining active counterplay despite the material inequality.

Black sacrifices a pawn for a powerful initiative and long-term attacking chances. The Marshall gives Black tremendous piece activity and pressure against White's king. White must defend carefully for many moves before consolidating.

1. e4White plays e4, establishing a strong central pawn and opening lines for the pieces.
2. e5Black mirrors with e5, the double king pawn opening. Both sides fight for the center immediately.
3. Nf3White develops Nf3, attacking e5 and beginning the Ruy Lopez.
4. Nc6Black defends e5 with Nc6, the most natural and active defensive move.
5. Bb5The Ruy Lopez — Bb5 pins the knight, indirectly threatening the e5 pawn. One of the most famous opening moves in chess history.
6. a6Black plays a6, the Morphy Defense — threatening to win the bishop with ...b5. White must either retreat or allow an exchange.
7. Ba4White retreats Ba4 to maintain the pin without allowing ...b5 to win the bishop outright.
8. Nf6Black develops Nf6, counterattacking e4 and increasing central pressure.
9. O-OWhite castles, completing kingside development and connecting the rooks.
10. Be7Black develops Be7, preparing to castle.
11. Re1White plays Re1, supporting e4 and overprotecting it in case of future ...Nxe4 tactics.
12. b5Black gains space with ...b5, chasing the bishop away from a4.
13. Bb3White retreats the bishop to b3 — still active, it eyes the f7 pawn.
14. O-OBlack castles, completing development.
15. c3White plays c3, preparing the d4 central break — the cornerstone of White's plan in the Ruy Lopez.
16. d5The Marshall Gambit! Black sacrifices a pawn with ...d5, refusing to wait for White to build up. Black gets a powerful initiative and lasting attacking chances against White's king.

Black plays ...Na5 to trade off White's important bishop, then ...c5 to fight for the center. The Chigorin is an active and dynamic alternative to the main Closed Lopez lines. Black gets good counterplay at the cost of some structural concessions.

1. e4White plays e4, establishing the center and opening lines for the pieces.
2. e5Black mirrors with e5, the classical double king pawn opening.
3. Nf3White develops Nf3, attacking the e5 pawn and setting up the Ruy Lopez.
4. Nc6Black defends e5 with Nc6, the most natural response.
5. Bb5The Ruy Lopez — Bb5 creates an indirect pin on the c6 knight, exerting long-term positional pressure.
6. a6Black plays a6, the Morphy Defense, immediately threatening ...b5 to win the bishop.
7. Ba4White retreats Ba4 to maintain the pin while keeping the bishop active.
8. Nf6Black develops Nf6, counterattacking e4.
9. O-OWhite castles, completing kingside development.
10. Be7Black develops Be7, preparing to castle.
11. Re1White plays Re1, reinforcing e4 and preparing for the central battle.
12. b5Black gains space with ...b5, chasing the bishop and securing the queenside.
13. Bb3White retreats to b3, keeping the bishop active along the diagonal.
14. d6Black plays d6, the Closed Ruy Lopez. This supports e5 and prepares ...Be6 or ...Nd7 maneuvering.
15. c3White plays c3, preparing the d4 central break.
16. Na5Black plays Na5, the Chigorin move — attacking the b3 bishop. Black wants to trade off this important piece or win the bishop pair.
17. Bc2White retreats Bc2, preserving the bishop and stepping off the a2-g8 diagonal. From c2 it still eyes h7.
18. c5Black plays c5, the Chigorin counterattack — fighting for the d4 square and the center. This creates the dynamic, imbalanced position Chigorin sought.