https://www.youtube.com/watch?v=RlrjiAviEvU

Watch the full video analysis on YouTube: Game 20: Rubinstein vs Salwe - How to Squeeze a Weak Pawn | Subscribe to ChessExcellence for weekly lessons!

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Good day, chess world! Today we continue our journey through Irving Chernev's Logical Chess: Move by Move, and we step into Game 20.

This game was played by Akiba Rubinstein, one of the greatest chess players of the early 20th century. Between 1908 and 1912, Rubinstein was the sole challenger to Lasker as the world's best player. In 1912, he won 5 consecutive super-tournaments, a feat not repeated until modern times. This game from Lodz 1908 is a masterclass in how to identify a weakness, fix it so it cannot escape, and then squeeze it systematically until the position collapses.

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Why This Game Matters

The opening is a Queen's Gambit / Tarrasch Defence, and Rubinstein as White uses a fianchetto bishop (g3, Bg2) to apply long-term pressure on Black's isolated d-pawn. What follows is a clinic in positional chess: how to fix pawns, control open files, dominate dark squares, and convert slowly but surely. This is the kind of chess every 800-1600 player needs to understand.

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The Opening

Rubinstein plays 1.d4, 2.c4, and allows a symmetrical pawn structure after the exchange on d5. Black enters the Tarrasch Defence, giving himself an isolated pawn on d5 in exchange for active piece play. With 6.g3!, Rubinstein fianchettoes the light-squared bishop, pointing it directly at that isolated pawn and controlling the long diagonal.

A critical moment arrives when Rubinstein plays 9.Nxc6!, trading the knight to give Black a doubled, isolated c-pawn. Black now has two problems: a weak d-pawn AND a weak c-pawn. Rubinstein's plan is clear: restrict Black's pieces, fix those pawns, and pick them off.

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Key Position 1: The Squeeze Begins

After steady development and careful maneuvering, Rubinstein plays the instructive 20.e3!

Such a small move, but it accomplishes a great deal. It gains a tempo by attacking the queen, opens a diagonal for the bishop, and clears the second rank so the rook can swing from f2 to c2, doubling on the c-file. Watch how all of White's pieces work together to squeeze every drop of life out of Black's position.

The Piece Activity Count at this moment tells the whole story: White's pieces are all active and coordinated; Black's pieces are passive and stuck defending.

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Piece Activity Count

Let's count the active pieces after 20.e3!:

White: Bg2 dominates the long diagonal, the rooks are ready to double on the c-file, the queen on d4 controls the centre, the knight heads to c5. Every piece has a purpose.

Black: The bishop on e6 is "bad" - blocked by its own pawns. The knight was already traded off. The rooks have no open files. The queen is being chased. Black is completely passive.

This is what the Piece Activity Count framework reveals: it is not about counting material, it is about counting pieces that are actually doing something.

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Rule of Three

By the time Rubinstein plays 24.b4!, three things are working together to destroy Black's position: the rooks on the c-file control all counterplay, the bishop on g2 prevents the pawn from advancing, and now the b-pawn launches a direct attack on the queenside. Three active elements, all coordinated, all pointing at the same weakness. That is the Rule of Three in action.

Watch the full video analysis: Game 20 on ChessExcellence YouTube

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Key Position 2: The Pawn Advances

Now Rubinstein plays 24.b4! - the decisive pawn break.

The threat is 25.b5, attacking the immobilized c-pawn a third time. Black is forced to play 24...a6, creating a new weakness: the a6-pawn. From here Rubinstein shifts the attack to a6 with 25.Ra5!, then plays 27.Rxc6! - a spectacular rook sacrifice that wins Black's helpless c-pawn while retaining complete control of the board. The technique from here is a model of precision: fix a weakness, target it, sacrifice to win it, then escort the passed pawn home.

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The Full Game

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nf6 6.g3 Nc6 7.Bg2 cxd4 8.Nxd4 Qb6 9.Nxc6 bxc6 10.O-O Be7 11.Na4 Qb5 12.Be3 O-O 13.Rc1 Bg4 14.f3 Be6 15.Bc5 Rfe8 16.Rf2 Nd7 17.Bxe7 Rxe7 18.Qd4 Ree8 19.Bf1 Rec8 20.e3 Qb7 21.Nc5 Nxc5 22.Rxc5 Rc7 23.Rfc2 Qb6 24.b4 a6 25.Ra5 Rb8 26.a3 Ra7 27.Rxc6 Qxc6 28.Qxa7 Ra8 29.Qc5 Qb7 30.Kf2 h5 31.Be2 g6 32.Qd6 Qc8 33.Rc5 Qb7 34.h4 a5 35.Rc7 Qb8 36.b5 a4 37.b6 Ra5 38.b7 Kg7 39.Rxf7+ 1-0

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The Modern Take

For players rated 800-1600, this game teaches something that engines cannot teach: patience and technique. You do not need to find a spectacular combination. You need to:

1. Identify a weakness in your opponent's position (the isolated pawn on c6)
2. Fix it so it cannot advance or escape
3. Bring all your pieces to pressure that weakness
4. When the time is right, execute the decisive blow

Rubinstein never allowed counterplay. He always asked: "What does my opponent want to do? How do I prevent it?" That is the essence of positional chess, and it is available to every player willing to think clearly.

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Key Takeaways

• An isolated pawn is only dangerous when it can advance. Fix it, and it becomes a permanent target.
• The fianchetto bishop (g3, Bg2) in the QGD is a long-range weapon - it controls the diagonal for the entire game.
• The Piece Activity Count: when all your pieces have active roles and your opponent's pieces are passive, you are winning.
• The Rule of Three: three coordinated elements (rooks on c-file, bishop on g2, b-pawn break) targeting the same weakness is decisive.
• Good technique means not rushing. Rubinstein improved every piece before striking.

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What Did You Find Most Instructive?

Was it the way Rubinstein fixed Black's pawn with e3? The patient doubling of rooks? The b4 pawn break? Or the clean technique to convert the endgame?

Let me know in the comments below. I read every one!

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Watch the full video analysis: Game 20: Rubinstein vs Salwe on ChessExcellence YouTube

Full Playlist: Logical Chess Move by Move - All 33 Games

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This analysis is based on Irving Chernev's Logical Chess: Move by Move. I walk you through every move on ChessExcellence. Subscribe for weekly lessons!

FM Nicholas Van Der Nat, FIDE Master and FIDE Trainer | ChessExcellence