ENDGAME · ROOK ACTIVITY · KING ACTIVITY

The king takes a walk

A rook ending with an active king. José Raúl Capablanca vs Savielly Tartakower, 1924.

15 minute studyIntermediate52 moves4 moments to think
Savielly TartakowerWhite to move
José Raúl CapablancaStarting position
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Standard starting position. White to move.

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THE STORY BEGINS

Every piece has a part to play.

José Raúl Capablanca’s New York 1924 game against Savielly Tartakower offers a practical lesson in rook endings. An active rook and an advancing king can matter more than a pawn count. Watch how the king becomes an attacking piece once the queens have left the board.

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52.
GAME BALANCE · WHITE’S PERSPECTIVE+0.37
Accessible evaluation values & provenance

Stockfish 17.1 · 75,000 nodes per position; 1,000,000 at key moments. Actual depth 13–21. Positive centipawns favour White; mate scores remain separate. Selective search is evidence, not proof.

Download complete engine evidence

The story behind the game

José Raúl Capablanca’s New York 1924 game against Savielly Tartakower offers a practical lesson in rook endings. An active rook and an advancing king can matter more than a pawn count. Watch how the king becomes an attacking piece once the queens have left the board.

Take these ideas to your next game

  1. In rook endings, activity often outweighs a passive extra pawn.
  2. Use the king when checks no longer create serious danger.
  3. Keep the rook active while the king supports passed pawns.
  4. Calculate pawn races from the final promotion square backward.
Read the complete annotated game

Full game transcript, including the result and the answers. Original explanations by chessgames.info; game score from the sources below.

1 . d4
1 … e6
2 . Nf3
2 … f5
3 . c4
3 … Nf6
4 . Bg5
4 … Be7
5 . Nc3
5 … O-O
6 . e3
6 … b6
7 . Bd3
7 … Bb7
8 . O-O
8 … Qe8
9 . Qe2
9 … Ne4
10 . Bxe7
10 … Nxc3
11 . bxc3
11 … Qxe7
12 . a4
12 … Bxf3
13 . Qxf3
13 … Nc6
14 . Rfb1
14 … Rae8
15 . Qh3
15 … Rf6
16 . f4
16 … Na5
17 . Qf3
17 … d6
18 . Re1
18 … Qd7
19 . e4
19 … fxe4
20 . Qxe4
20 … g6
21 . g3
21 … Kf8
22 . Kg2
22 … Rf7
23 . h4
23 … d5
24 . cxd5
24 … exd5
25 . Qxe8+
25 … Qxe8
26 . Rxe8+
26 … Kxe8
27 . h5
27 … Rf6
28 . hxg6
28 … hxg6
29 . Rh1
29 … Kf8
30 . Rh7
30 … Rc6
31 . g4

Active rook, active pawns, then an active king. Capablanca’s 31.g4 begins a kingside expansion while the rook is active on h7. The follow-up g5 changes the knight’s squares and prepares the king’s approach. In an ending, a pawn move should be judged together with piece activity: advancing pawns can gain space, but they also leave squares and require support.

31 … Nc4
32 . g5
32 … Ne3+
33 . Kf3
33 … Nf5
34 . Bxf5
34 … gxf5
35 . Kg3

The king can join the attack once the checking danger is manageable. With 35.Kg3, White starts the king’s journey toward the black pawns. Black captures on c3 and f4, yet the king keeps moving forward in the game. Do not memorize “activity beats material” as an absolute rule: verify the checks and pawn races that make activity meaningful in this specific ending.

35 … Rxc3+
36 . Kh4
36 … Rf3
37 . g6
37 … Rxf4+
38 . Kg5
38 … Re4
39 . Kf6
39 … Kg8
40 . Rg7+

Checks are most useful when they also improve your position. After the white king reaches f6, 40.Rg7+ gains time and brings the rook onto the seventh rank. The king’s support changes the value of the rook’s activity. Follow the subsequent capture on c7 and the king’s work on the kingside: the two pieces perform different jobs rather than duplicating one another.

40 … Kh8
41 . Rxc7
41 … Re8
42 . Kxf5
42 … Re4
43 . Kf6
43 … Rf4+
44 . Ke5
44 … Rg4
45 . g7+

A passed pawn is a team project. The game continues 45.g7+. White’s pawn creates a forcing problem while the rook remains free to take on a7 and help the other wing. This is why the earlier king activity matters: White can pursue several threats instead of defending scattered weaknesses. Calculate the checks and promotion squares before choosing a pawn push.

45 … Kg8
46 . Rxa7
46 … Rg1
47 . Kxd5
47 … Rc1
48 . Kd6
48 … Rc2
49 . d5
49 … Rc1
50 . Rc7
50 … Ra1
51 . Kc6
51 … Rxa4
52 . d6

Result: 1-0. The recorded score ends here; it does not imply checkmate.

Think through the turning points

Move 31: Create a target for the king

How can White gain useful space without making the rook passive? In the game: g4. Active rook, active pawns, then an active king. Capablanca’s 31.g4 begins a kingside expansion while the rook is active on h7. The follow-up g5 changes the knight’s squares and prepares the king’s approach. In an ending, a pawn move should be judged together with piece activity: advancing pawns can gain space, but they also leave squares and require support.

Engine-supported alternatives

Kh3 Nb3 Kh4 Nd2 Rd7 Ne4 Rxd5 Nxg3 c4 Nh5 Kg5 Nf6 · +0.64 · depth 17

Rd7 Nc4 Kh3 Nd2 Kh4 Ne4 Rxd5 Nxg3 c4 Nh5 Kg5 Nf6 · +0.64 · depth 17

Kf2 g5 · +0.52 · depth 17

g4 Nb3 · +0.29 · depth 20

Move 35: Turn the king into a piece

What is the king’s most useful task after the minor pieces have been exchanged? In the game: Kg3. The king can join the attack once the checking danger is manageable. With 35.Kg3, White starts the king’s journey toward the black pawns. Black captures on c3 and f4, yet the king keeps moving forward in the game. Do not memorize “activity beats material” as an absolute rule: verify the checks and pawn races that make activity meaningful in this specific ending.

Engine-supported alternatives

Kg3 a6 · +1.65 · depth 21

Ke2 Rxc3 Rh6 Kg7 Rf6 Rc4 Ke3 Rc3+ Kf2 Rd3 Rxf5 Rxd4 · +0.11 · depth 20

Kf2 Rxc3 Rd7 c6 Rd6 Kg7 Rf6 Rc4 Rxf5 Rxd4 Kf3 c5 · +0.10 · depth 20

Move 40: Use the rook with tempo

Can White improve the rook while keeping the black king restricted? In the game: Rg7+. Checks are most useful when they also improve your position. After the white king reaches f6, 40.Rg7+ gains time and brings the rook onto the seventh rank. The king’s support changes the value of the rook’s activity. Follow the subsequent capture on c7 and the king’s work on the kingside: the two pieces perform different jobs rather than duplicating one another.

Engine-supported alternatives

Rg7+ Kh8 Rxc7 Re8 Kxf5 a5 Kf6 Rf8+ Rf7 Rc8 Rd7 Kg8 · +4.36 · depth 21

Rh6 Rg4 Rh7 Re4 Rg7+ Kh8 Rxc7 Re8 Kxf5 a5 Rd7 Re4 · +4.35 · depth 21

Rxc7 Re8 Kxf5 Re4 Kf6 Rf4+ Ke5 Rg4 Rxa7 Rxg6 Kxd5 Kf8 · +3.84 · depth 21

Move 45: Coordinate the passed pawn

How can White keep the passed pawn dangerous without giving up rook activity? In the game: g7+. A passed pawn is a team project. The game continues 45.g7+. White’s pawn creates a forcing problem while the rook remains free to take on a7 and help the other wing. This is why the earlier king activity matters: White can pursue several threats instead of defending scattered weaknesses. Calculate the checks and promotion squares before choosing a pawn push.

Engine-supported alternatives

g7+ Kg8 Rxa7 Rg6 Kxd5 Rg2 Rc7 Kh7 Kc6 Rg6+ Kb7 Rd6 · +5.16 · depth 19

Kf6 Rf4+ Ke5 Rg4 g7+ Kg8 Rxa7 Rg6 Kxd5 Rh6 Rc7 Rh4 · +4.96 · depth 18

Rxa7 Rxg6 Kxd5 Kg8 Re7 Kf8 Re6 Rg4 Rxb6 Ke7 Kc5 Rg2 · +4.02 · depth 18

A CONNECTED IDEA

Give the least active piece a useful task

Capablanca improves his king after the exchanges; Fischer improves a knight before the pawn breaks. Different pieces, the same habit of purposeful improvement.

Try it in A masterpiece without hurry →

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