D45
Semi-Slav Defense: Main Line
Key moves: 1.d4 d5 2.c4 e6
The Queen's Gambit Declined is one of the most solid and classical chess openings. Black defends the d5 pawn with ...e6, maintaining a strong central presence. The resulting positions are strategically rich with well-defined plans for both sides.
History & Notable Players
A cornerstone of chess strategy since the 19th century. It was the main battleground in many World Championship matches, particularly those of Capablanca, Alekhine, and Botvinnik.
Top Players in this Opening
Related Openings
D40 - Queen's Gambit Declined: Semi-Tarrasch Defense294D41 - Queen's Gambit Declined: Semi-Tarrasch Defense710D42 - Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line194D43 - Semi-Slav Defense999D44 - Semi-Slav Defense Accepted262D46 - Semi-Slav Defense: Main Line365D47 - Semi-Slav Defense: Meran Variation404D48 - Semi-Slav Defense: Meran Variation160D49 - Semi-Slav Defense: Meran Variation, Rellstab Attack60
Best Games
Gukesh,D vs Caruana,F1/2-1/2
13th Norway Chess 2025 • 2025★ Notable
Nepomniachtchi,I vs Nakamura,Hi0-1
Saint Louis Blitz 2024 • 2024★ Notable
Nepomniachtchi,I vs Dominguez Perez,L1/2-1/2
Saint Louis Blitz 2024 • 2024★ Notable
Nepomniachtchi,I vs Nakamura,Hi1/2-1/2
Saint Louis Rapid 2024 • 2024★ Notable
Caruana,F vs Rapport,R1-0
10th Sinquefield Cup • 2023★ Notable
Le,Quang Liem vs Caruana,F1-0
Saint Louis Blitz 2023 • 2023★ Notable
Abdusattorov,Nodirbek vs Gukesh,D1/2-1/2
11th Norway Chess 2023 • 2023★ Notable
Abdusattorov,Nodirbek vs Firouzja,Alireza0-1
11th Norway Chess 2023 • 2023★ Notable
Duda,J vs Firouzja,Alireza1/2-1/2
FIDE Candidates 2022 • 2022★ Notable
So,W vs Carlsen,M1/2-1/2
10th Norway Chess 2022 • 2022★ Notable
Praggnanandhaa,R vs Caruana,F0-1
84th Tata Steel Masters • 2022★ Notable
Le, Quang Liem vs Erigaisi,Arjun0-1
Tata Steel India Blitz • 2021★ Notable
Rychagov,A vs Erigaisi,Arjun1/2-1/2
PNWCC Online Blitz JP 14 • 2020★ Notable
Tang,Andrew vs Erigaisi,Arjun1/2-1/2
PNWCC Online Blitz JP 12 • 2020★ Notable
Le Quang Liem vs Arjun,Kalyan1-0
PNWCC Online Blitz JP 11 • 2020★ Notable
Giri,A vs Carlsen,M1/2-1/2
Tata Steel India Blitz • 2019★ Notable
So,W vs Giri,A1/2-1/2
Tata Steel India Blitz • 2019★ Notable
Mamedyarov,S vs Carlsen,M1/2-1/2
7th Sinquefield Cup 2019 • 2019★ Notable
Mamedyarov,S vs Duda,J1/2-1/2
Riga FIDE Grand Prix 2019 • 2019★ Notable
Karjakin,Sergey vs Grischuk,A1/2-1/2
Moscow FIDE Grand Prix • 2019★ Notable