Queen's Gambit Declined: Semi-Tarrasch Defense, Endgame Variation is a chess opening with the ECO code D41, part of the Queen's Gambit Declined family. It goes 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. e4 dxe4 8. Qxd8+. White opens with 1. d4 (the queen's pawn) and Black answers 1... Nf6. After 15 moves it is Black to move. After the last move White is 8 points ahead in material. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. d4 – White plays the pawn to d4
1... Nf6 – Black plays the knight to f6
2. c4 – White plays the pawn to c4
2... e6 – Black plays the pawn to e6
3. Nf3 – White plays the knight to f3
3... d5 – Black plays the pawn to d5
4. Nc3 – White plays the knight to c3
4... c5 – Black plays the pawn to c5
5. cxd5 – White captures on d5 with the c-pawn
5... cxd4 – Black captures on d4 with the c-pawn
6. Qxd4 – White takes on d4 with the queen
6... exd5 – Black captures on d5 with the e-pawn
The line goes on for 3 more moves; the lesson shows them all.
About the Queen's Gambit Declined
After 1.d4 d5 2.c4, Black keeps the d5 pawn with ...e6 instead of taking on c4. It is solid, classical and very reliable.
Black develops calmly: ...Nf6, ...Be7, ...O-O, and keeps a strong pawn on d5.
The light-squared bishop on c8 is often stuck behind e6; freeing it is a main task.
Black frees the position with the breaks ...c5 or ...e5; White often plays for a minority attack with b4-b5.
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