Capablanca–Teichmann, Berlin 1913, a model Queen's Gambit Declined in which White isolates Black's queen's pawn and converts the resulting endgame with great precision against one of the finest players in the world. Capablanca's public-domain notes from Chess Fundamentals (1921) follow.
9.Bb5An invention of my own, I believe. I played it on the spur of the moment simply to change the normal course of the game. Generally the Bishop goes to Q 3, or to R 6, after Q - R 4. The text move is in the nature of an ordinary developing move, and as it violates no principle it cannot be bad.
13…Nxc5If P x P; K R - Q 1, and White would play to win one of Black's centre Pawns. The drawback to the text move is that it leaves Black's Q P isolated, and consequently weak and subject to attack.
17…Qc4Black aims at the exchange of Queens in order to remain with two Bishops for the ending, but in this position such a course is a mistake, because the Bishop at Kt 2 is inactive and cannot come into the game by any means, unless Black gives up the isolated Queen's Pawn which the Bishop must defend.
19.Ncxe2Notice the co-ordination of the Knights' moves. They are manoeuvred chain-like, so to speak, in order to maintain one of them, either at Q 4 or ready to go there. Now White threatens to take the open file, and therefore forces Black's next move.
19…Rc8The student should examine this position carefully. There seems to be no particular danger, yet, as White will demonstrate, Black may be said to be lost. Indeed, I must confess that I can see no adequate defence against White's next move.
20.Nf5If 20...B - Q 1; 21 Kt - Q 6, R - B 2; 22 Kt x B, R x Kt; 23 B x Kt, B x B; 24 R x P, R - B 2; 25 R - Q 2, and White is a Pawn ahead. If 20...B moves anywhere else, then B x Kt, doubling the K B P and isolating all of Black's King's side Pawns.
22…g6This is practically forced, as White threatened Kt - B 5 ch. Notice that the Black Knight is pinned in such a way that no relief can be afforded except by giving up the K R P or abandoning the open file with the Rook, which would be disastrous.
26…Ne6Black exchanges Knights to remain with Bishops of opposite colours, which gives him the best chance to draw.
31…d4Practically forced. Otherwise the White King would march up to Q 4 and then to B 5 and win Black's Queen's side Pawns. If Black attempted to stop this by putting his King at Q B 3 then the White King would enter through K 5 into Black's King's side and win just as easily.
38.Bg7The student ought to have realised by this time the enormous importance of playing well every kind of ending. In this game again, practically from the opening, White aimed at nothing but the isolation of Black's Q P. Then by accurate playing in the ending he gradually forced home his advantage.
José Raúl Capablanca, Chess Fundamentals (1921) · public domain · source