D20w — QGA: 3.e4 e5 4.Nf3 Bb4+

1.d4 d5 2.c4 dxc4 3.e4 e5 4.Nf3 Bb4+ * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte e5, case forte g5, paire de fous, colonne c.
Faiblesses adverses : Bc8 enfermé, roi noir au centre, pawn c4 en prise, pawn e5 en prise.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nc3 — Développer Nb1
● Be3 — Développer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (4v2), Bb4 actif, paire de fous, colonne d.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 5 pièces non développées (B8, G8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	● centre 2v1	● aile_dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0), ● g5 (2v1)	—
Cases faibles	● d4	—
Centre	● e5 (2v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 3)
Bb4		● Bb4 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	5 (b8, g8, c8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● d4-d5	● …c7-c6, ● …c7-c5, ● …f7-f6, ● …f7-f5

Partie
11. Norway Chess 2023 – Round 2.5 – Firouzja, Alireza – 1-0 – Mamedyarov, Shakhriyar – G10 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 Nf6 6. Nxe5 b5 7. f3 O-O 8. a3 Ba5 9. a4 a6 10. Be2 Nfd7
11. Norway Chess 2023 – Round 4.5 – Mamedyarov, Shakhriyar – 1/2-1/2 – Abdusattorov, Nodirbek – G20 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Qxd4 Qxd4 7. Nxd4 Nf6 8. f3 Bc5 9. Be3 Nc6 10. Nc2 Bxe3
11. Norway Chess 2023 – Round 6.4 – Mamedyarov, Shakhriyar – 1/2-1/2 – So, Wesley – G29 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Nd7 7. Bxc4 Ngf6 8. O-O O-O 9. f3 Ne5 10. Be2 Qe7
11. Norway Chess 2023 – Round 7.4 – Nakamura, Hikaru – 1/2-1/2 – Mamedyarov, Shakhriyar – G34 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 Nf6 6. Nxe5 b5 7. f3 O-O 8. a4 c5 9. Be3 cxd4 10. Qxd4 Qe7
19. European Teams 2013 – Round 3.11 – Dragun, Kamil – 0-1 – Stevic, Hrvoje – G100 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Nxd4 Ne7 8. Bxc4 Nbc6 9. Nxc6 Qxd2+ 10. Nxd2 Nxc6
1975 URS Team Ch – Round 5 – Zaichik, Gennadi – 1/2-1/2 – Heuer, Valter – G59 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 exd4 7. Bxc4 Nc6 8. O-O Nh6 9. Nb3 O-O 10. Nbxd4 Nxd4
36. Olympiad 2004 – Round 14 – Dao, Thien Hai – 1/2-1/2 – Charbonneau, Pascal – G493 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Qxd4 Qxd4 7. Nxd4 Nf6 8. f3 Bc5 9. Be3 Nc6 10. Nc2 Bxe3
41. Olympiad Open 2014 – Round 7.6 – Parligras, Mircea-Emilian – 1/2-1/2 – Stevic, Hrvoje – G521 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Ne7 7. a3 Nbc6 8. axb4 Qxd4 9. Be3 Qxd1+ 10. Rxd1 Nxb4
42. Olympiad 2016 – Round 11.8 – Banikas, Hristos – 1/2-1/2 – Balogh Urbina, Carlos Alfonso – G814 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Nxd4 Nf6 8. Nc3 O-O 9. O-O-O Qe7 10. f3 c5
42. Olympiad 2016 – Round 9.7 – Sanikidze, Tornike – 1/2-1/2 – Balogh Urbina, Carlos Alfonso – G665 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Ne7 7. Bxc4 Nbc6 8. Be3 O-O 9. O-O Nxd4 10. Bxd4 Nc6
85. Tata Steel Masters 2023 – Round 11.1 – Giri, Anish – 1/2-1/2 – Abdusattorov, Nodirbek – G71 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Nxd4 Nf6 8. Nc3 Qe7 9. O-O-O O-O 10. f3 c5
85. Tata Steel Masters 2023 – Round 5.6 – Maghsoodloo, Parham – 1-0 – Van Foreest, Jorden – G34 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 Nf6 6. Nxe5 b5 7. f3 O-O 8. a3 Ba5 9. a4 c5 10. dxc5 Qe8
Dortmund 1992 – Round 5 – Shirov, Alexei – 1-0 – Huebner, Robert – G24 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Qe7 7. Bxc4 Qxe4+ 8. Kf1 Bxc3 9. bxc3 Be6 10. Qa4+ Nc6
FIDE Grand Swiss 2025 – Round 2 – Indjic Aleksandar – 1/2-1/2 – Jobava Baadur – G111 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Ne7 7. Bxc4 Nbc6 8. Be3 O-O 9. O-O Nxd4 10. Bxd4 Nc6
FIDE Grand Swiss 2025 – Round 9 – Yakubboev Nodirbek – 1-0 – Demchenko Anton – G483 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Nd7 7. Bxc4 Ngf6 8. Bxf7+ Kxf7 9. Qb3+ Ke8 10. O-O Bxc3
FIDE World Cup 2025 – Round R1 Classical 1 – Adly Ahmed – 1/2-1/2 – Grigoryan Karen H. – G49 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Nd7 7. Bxc4 Ngf6 8. Bxf7+ Kxf7 9. Qb3+ Ke8 10. O-O Bd6
FTX Crypto Cup 2022 – Round 5.1 – Le, Quang Liem – 1/2-1/2 – Praggnanandhaa R – G68 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 exd4 7. Bxc4 Nc6 8. O-O Qf6 9. b4 Nge7 10. b5 Na5
Interpolis 1990 – Round 10 – Andersson, Ulf 1949 – 1/2-1/2 – Nikolic, Predrag – G29 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Qxd4 Nf6 8. Nc3 Be6 9. Qxd8+ Kxd8 10. Nd4 Re8
Interpolis 1990 – Round 12 – Andersson, Ulf 1949 – 1-0 – Seirawan, Yasser – G36 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Nxd4 Nf6 8. Nc3 Qe7 9. f3 O-O 10. Bxc4 c5
Interpolis 1990 – Round 9 – Nikolic, Predrag – 1/2-1/2 – Seirawan, Yasser – G26 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Qxd4 Nf6 8. Qxd8+ Kxd8 9. Nc3 Be6 10. Ne5 Ke7
It Linares ESP 1992 – Round 3 – Karpov, Anatoly – 1/2-1/2 – Anand, Viswanathan – G1 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 exd4 7. Bxc4 Nc6 8. O-O Nf6 9. e5 Nd5 10. Nb3 O-O
Makedonia Palace GP 2013 – Round 7.2 – Svidler, Peter – 1/2-1/2 – Ponomariov, Ruslan – G34 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Ne7 7. Bxc4 Nbc6 8. Be3 O-O 9. O-O Nxd4 10. Bxd4 Nc6
Novgorod 1994 – Round 9 – Kasparov, Garry – 1/2-1/2 – Short, Nigel D – G28 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 exd4 7. Bxc4 Nc6 8. O-O Qf6 9. b4 a6 10. e5 Qg6
Saint Louis Blitz 2021 – Round 5.1 – Le, Quang Liem – 1-0 – Dominguez Perez, Leinier – G20 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Nd7 7. Bxc4 Ngf6 8. O-O O-O 9. f3 Qe7 10. Qe2 Ne5
Saint Louis Blitz 2022 – Round 11.3 – Mamedyarov, Shakhriyar – 1-0 – Dominguez Perez, Leinier – G53 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 exd4 7. Bxc4 Nc6 8. O-O Nge7 9. Ng5 Ne5 10. Bb3 N7c6
Saint Louis Blitz 2022 – Round 14.2 – Nepomniachtchi, Ian – 0-1 – Dominguez Perez, Leinier – G67 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 Nf6 6. Nxe5 b5 7. Be2 Nxe4 8. O-O Bxc3 9. bxc3 Nxc3 10. Qc2 Nxe2+
Saint Louis Blitz 2023 – Round 13.3 – Giri, Anish – 1/2-1/2 – Vachier-Lagrave, Maxime – G63 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Nxd4 Nf6 8. Nc3 O-O 9. O-O-O Qe7 10. f3 c5
Saint Louis Rapid 2021 – Round 9.3 – Le, Quang Liem – 1/2-1/2 – Dominguez Perez, Leinier – G43 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Nd7 7. Bxc4 Ngf6 8. O-O O-O 9. Bg5 Ne5 10. Be2 c6
Saint Louis Rapid 2022 – Round 9.3 – Mamedyarov, Shakhriyar – 1-0 – Dominguez Perez, Leinier – G42 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 exd4 7. Bxc4 Nc6 8. O-O Nge7 9. Ng5 Ne5 10. Bb3 N7c6
Superbet Classic 2023 – Round 1.4 – Duda, Jacob – 1/2-1/2 – Giri, Anish – G4 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 Nf6 6. Nxe5 b5 7. f3 O-O 8. Be3 c5 9. a4 cxd4 10. Qxd4 Qe7
Superbet Rapid 2023 – Round 2.1 – Giri, Anish – 1/2-1/2 – Vachier-Lagrave, Maxime – G6 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 Nf6 6. Bxc4 exd4 7. Nxd4 O-O 8. O-O Bxc3 9. bxc3 Nxe4 10. Bd3 Nf6
Superbet Rapid 2023 – Round 8.5 – Duda, Jacob – 1-0 – Vachier-Lagrave, Maxime – G40 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 Nf6 6. Nxe5 b5 7. f3 O-O 8. a4 c5 9. Be3 cxd4 10. Qxd4 Qe7
SuperUnited Rapid 2022 – Round 8.5 – Mamedyarov, Shakhriyar – 1/2-1/2 – Dominguez Perez, Leinier – G40 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 Nf6 6. Bxc4 exd4 7. Nxd4 O-O 8. O-O Bxc3 9. bxc3 Nxe4 10. Bd3 Nf6
World Blitz 2022 – Round 20.65 – Ivic, Velimir – 0-1 – Narayanan, Sri Shiva Kumar – G1090 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Nxd4 Ne7 8. Bxc4 O-O 9. Nc3 c5 10. Ndb5 Qxd2+
World Blitz 2022 – Round 4.22 – Bluebaum, Matthias – 1-0 – Sychev, Klementy – G189 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Nxd4 Nf6 8. Nc3 O-O 9. O-O-O c5 10. Ndb5 Nc6
World Cup 1989 – Round 1 – Karpov, Anatoly – 1-0 – Seirawan, Yasser – G6 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Bxc4 Nc6 10. Nxc6 Bxc6
World Cup 1991 – Round 10 – Salov, Valery – 1/2-1/2 – Nikolic, Predrag – G71 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Qxd4 Nf6 8. Qxd8+ Kxd8 9. Nc3 Be6 10. Ne5 Nc6
XXIII SuperGM 2006 – Round 13 – Aronian, Levon – 1/2-1/2 – Bacrot, Etienne – G50 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 exd4 7. Bxc4 Nc6 8. O-O Qf6 9. b4 Nge7 10. b5 Ne5
Yerevan ol (Men) 1996 – Round 5 – Azmaiparashvili, Zurab – 0-1 – Nogueiras Santiago, Jesus – G63 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Ne7 7. Bxc4 Nbc6 8. Be3 O-O 9. Nb5 Be6 10. Bxe6 fxe6

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