D50

Queen's Gambit Declined: Modern Variation

Key moves: 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5

The classical Queen's Gambit Declined with Bg5 is one of the most important chess openings. White pins the knight, creating pressure on the d5 pawn. Black must choose between several major defensive setups.

History & Notable Players

The backbone of classical chess. Featured in virtually every World Championship match from Steinitz to Carlsen.

Best Games

Bogoljubow, Efim vs Alekhine, Alexander1/2-1/2
World Championship 15th • 1934★ Notable
Zukertort, Johannes Hermann vs Steinitz, William1/2-1/2
World Championship 1st • 1886★ Notable
So,W vs Abdusattorov,Nodirbek0-1
11th Norway Blitz 2023 • 2023
Erigaisi,Arjun vs Shuvalova,Polina1/2-1/2
Tata Steel Challengers • 2022
Smyslov, Vassily vs Geller, Efim P1-0
URS-ch22 • 1955
Petrov,N vs So,W0-1
World Blitz 2025 • 2025
Mamedyarov,S vs Sarana,A1-0
World Rapid 2025 • 2025
Mamedyarov,S vs Sarana,A0-1
25th European Teams • 2025
Sarana,A vs Carlsen,M1-0
Titled Tue 2nd Sep 2025 • 2025
Vidit,S vs Erigaisi,Arjun1/2-1/2
Quantbox Chennai GM 2025 • 2025
Praggnanandhaa,R vs Moussard,J1-0
Esports World Cup LC Win • 2025
Ivanchuk,V vs Raczek,Krzysztof1-0
9th Semana Santa Alicante • 2025
Duda,J vs Sanket,Chakravarty0-1
Titled Tue 1st Apr Early • 2025
Grischuk,A vs Gavrilescu,David1-0
Titled Tue 16th Jan Late • 2024
Abdusattorov,Nodirbek vs Kosakowski,Jakub0-1
World Blitz 2023 • 2023
Harikrishna,P vs Erigaisi,Arjun1-0
Chennai GMs 2023 • 2023
Shankland,S vs So,W0-1
Armageddon Grand Finale L • 2023
Caruana,F vs Tsaruk,Maksim1-0
Titled Tue 12th Sep Early • 2023
Mamedyarov,S vs Shankland,S0-1
World Blitz 2022 • 2022
So,W vs Maghsoodloo,Parham1/2-1/2
Chess.com RCC Wk21 Swiss • 2022

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