D25k — QGA: Janowski-Larsen, 6.Nc3

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.Nc3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. h3 (Empêcher ...Bg4 — 52 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 30 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nbd7 (Développer b8 — 40 % des parties) ; ...a6 (Préparer expansion aile dame — 31 % des parties) ; ...Nc6 (Développer b8 — 16 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● f7→e6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0)	● d5 (3v2), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (3v1), ● e5 (2v0)	● d5 (3v2)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bc4	● Bc4 Actif (mob. 8)
Bg4		● Bg4 Actif (mob. 4)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	4 (● b8, ● f8, ● 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	mobile
Ruptures	● d4-d5	● …c7-c5, ● …e6-e5

Partie
1961 Kiel – Round 2 – Saemisch, Friedrich – 0-1 – Lehmann, Heinz – G4 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. e4 Bb4 8. Qd3 c5 9. Be3 cxd4 10. Bxd4 O-O
1962 Hastings6263 – Round 6 – Marovic, Drazen – 1/2-1/2 – Kotov Lundqvist, Alex – G25 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Bd6 8. Be2 O-O 9. e4 e5 10. Be3 exd4
1963 Kiev Avantgard Ch – Round ? – Zamikhovsky, Abram – 0-1 – Shianovsky, Vladislav I – G11 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. Bb5 Qd7 8. h3 Bxf3 9. Qxf3 a6 10. Bxc6 Qxc6
1963 POL Ch 20th – Round 9 – Szukszta, Janus – 1-0 – Porebski, Stanislav – G55 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. e4 Be7 8. e5 Ng8 9. O-O c5 10. Bf4 cxd4
1964 Capablanca Memorial – Round 2 – O'Kelly de Galway, Alberic – 1/2-1/2 – Smyslov, Vladimir – G25 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 a6 7. Be2 Nc6 8. h3 Bh5 9. O-O Bd6 10. b3 O-O
1964 UKR Ch – Round 12 – Atamanov, Andrey – 1/2-1/2 – Shianovsky, Vladislav I – G71 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 Bg4 5. e3 e6 6. Bxc4 a6 7. O-O Nc6 8. Be2 Bd6 9. a3 O-O 10. b4 e5
1965 Buenos Aires Ch – Round 10 – Behrensen, Jorge – 1/2-1/2 – Emma, Jaime – G34 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Bd6 8. e4 e5 9. d5 O-O 10. Be2 Bh5
1965 Capablanca Memorial – Round 11 – Geller, Efim P – 1/2-1/2 – Tringov, Georgi P – G109 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. h3 Bh5 8. O-O a6 9. Be2 Bd6 10. a3 O-O
1965 FRG Ch – Round 11 – Rellstab, Ludwig Sr – 1/2-1/2 – Mohrlok, Dieter – G29 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. a3 a6 8. b4 Bd6 9. Be2 O-O 10. Bb2 Qe7
1965 Hungary – Round 1 – Szilagyi, Peter – 0-1 – Dely, Peter – G19 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. Qa4 Bxf3 8. gxf3 a6 9. Be2 Be7 10. Bd2 O-O
1965 Mar del Plata – Round 7 – Panno, Oscar – 0-1 – Rossetto, Hector – G55 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 a6 7. Be2 Nc6 8. h3 Bh5 9. g4 Bg6 10. Nh4 Be4
1965 Rio de Janeiro – Round 1 – Averbakh, Yuri L – 1-0 – Camara, Helder – G3 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Be7 8. e4 Bxf3 9. Qxf3 Nb6 10. Be2 O-O
1965 Santiago – Round ? – Geller, Efim P – 1-0 – Schroeder, Raik – G26 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O c5 8. d5 exd5 9. Nxd5 Bd6 10. h3 Bh5
1965 Zagreb – Round 15 – Filip, Marius Liviu – 1/2-1/2 – Antoshin, Vladimir S – G151 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. h3 Bh5 8. O-O Bd6 9. Be2 O-O 10. b3 Nd5
1966 Helsinki – Round 2 – Osnos, Viatcheslav – 1-0 – Brander, Ilmari – G10 1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 a6 7. e4 Nc6 8. Be3 Bb4 9. Bd3 O-O 10. Bc2 e5
1966 Mar del Plata – Round 7 – Uhlmann, Wolfgang – 1/2-1/2 – Emma, Jaime – G35 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 a6 7. O-O Nc6 8. h3 Bh5 9. Be2 Bd6 10. a3 O-O
1966 Sochi Chigorin Memorial 04th – Round 3 – Bobotsov, Milko G – 0-1 – Matulovic, Milan – G15 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Be7 8. e4 O-O 9. Be3 c5 10. e5 Ne8
1967 FRG Ch Kiel GER – Round 15 – Besser, Hans – 1/2-1/2 – Huebner, Robert – G56 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Be7 8. h3 Bh5 9. Be2 O-O 10. Qb3 Qb8
1967 Rubinstein Memorial – Round 4 – Kolarov, Atanas S. – 1/2-1/2 – Flohr, Salo – G15 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 a6 7. Be2 Nc6 8. h3 Bh5 9. O-O Bd6 10. b3 O-O
1968 Yugoslavia – Round 7 – Stupica, Janez – 1-0 – Mestrovic, Zvonimir – G5 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Be7 8. Be2 O-O 9. e4 Nb6 10. Be3 Rc8
1969 Athens zt – Round 17 – Csom, Istvan – 1/2-1/2 – Hort, Vlastimil – G90 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 a5 7. h3 Bh5 8. O-O Nc6 9. Qe1 Be7 10. b3 Nd5
Amber Rapid 2003 – Round 11 – Bareev, Evgeny – 1/2-1/2 – Ivanchuk, Vasyl – G26 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 c5 7. h3 Bh5 8. d5 1/2-1/2
FIDE Grand Swiss 2025 – Round 9 – Sargissian Gabriel – 1-0 – Jobava Baadur – G516 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. h3 Bh5 8. O-O Bd6 9. Re1 Nd7 10. Bf1 O-O
FIDE World Blitz Championship 2025 – Round 12 – Aleksandar Indjic – 0-1 – Rauf Mamedov – G235 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d3 b6 7. cxd5 Nxd5 8. d4 Bb7 9. b3 c5 10. Bb2 Nd7
FIDE World Blitz Championship 2025 – Round 12 – Nihal Sarin – 1/2-1/2 – Pranesh M – G234 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. Bb5 Bd6 8. O-O O-O 9. Bxc6 bxc6 10. h3 Bh5
Smyslov Region Group Cup 2021 – Round 14.7 – Karpov, Anatoly – 1-0 – Matlakov, Maxim – G150 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. Bb5 Bb4 8. h3 Bh5 9. Qa4 Bxc3+ 10. bxc3 Bxf3
World Blitz 2019 – Round 9.59 – Xu, Yinglun – 1/2-1/2 – Alekseenko, Kirill – G636 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 a6 7. O-O Nc6 8. Be2 Bd6 9. Nd2 Bxe2 10. Qxe2 O-O
World Blitz 2021 – Round 2.61 – Zilka, Stepan – 0-1 – Jobava, Baadur – G114 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. h3 Bh5 8. Bb5 Bb4 9. g4 Bg6 10. Ne5 O-O
World Blitz 2023 – Round 13.16 – Aronian, Levon – 1-0 – Jobava, Baadur – G735 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nc6 7. h3 Bh5 8. O-O Bd6 9. Be2 O-O 10. b3 Ne7

D25k — QGA: Janowski-Larsen (1961)

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.Nc3

Les coups candidats

6…Nbd7 — 40.0% (492 parties)

Ambassadeurs : Miles, Anthony J (17x), Matulovic, Milan (13x), Grund, Holger (6x), Mestrovic, Zvonimir (5x), Fominyh, Alexander (5x), ? (4x), Ghitescu, Theodor (3x), Gligoric, Sofija (3x)

6…a6 — 31.0% (381 parties)

Ambassadeurs : Romanishin, Oleg M (13x), Kunin, Vitaly (9x), Ivkov, Borislav (5x), Zsiltzova-Lisenko, Lubov (5x), Matulovic, Milan (4x), Schmitz, Andreas Arnold (4x), Player, Edmund C (4x), Uhlmann, Wolfgang (3x)

6…Nc6 — 16.2% (199 parties)

Ambassadeurs : Jobava, Baadur (10x), Wierzbicki, Jirawat (5x), Gausel, Einar J (4x), Damaso, Rui (3x), Dudognon, Thibault (3x), Hoi, Carsten (2x), Maiwald, Jens-Uwe (2x), Lazic, Miroljub (2x)

6…Be7 — 3.7% (46 parties)

Ambassadeurs : Ardiansyah, Haji (2x), Kramorev, Yuri (2x), Huschenbeth, Niclas (2x), Savon, Vladimir (1x), Radulov, Ivan (1x), MacGrillen, Hugh (1x), Holmstrand, Lars (1x), Sanchez, Gabriel (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Nbd7	6…a6	6…Nc6	6…Be7
<1800	44	27%	9%	16%	9%
1800-2200	324	40%	28%	15%	7%
2200-2600	622	39%	37%	20%	1%
2600+	29	48%	17%	24%	7%

Évolution par décennie (% des parties)

Décennie	N parties	6…Nbd7	6…a6	6…Nc6	6…Be7
1950s	1	—	—	—	—
1960s	70	51%	36%	7%	3%
1970s	85	64%	26%	4%	—
1980s	84	43%	38%	8%	5%
1990s	174	57%	20%	5%	4%
2000s	283	46%	34%	4%	6%
2010s	389	28%	36%	25%	4%
2020s	143	20%	22%	48%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Nbd7	28%	20%	▼ -7.9%
6…a6	36%	22%	▼ -14.1%
6…Nc6	25%	48%	▲ +23.6%
6…Be7	4%	2%	▼ -1.5%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties
Gukesh D — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

6…Nbd7 — 40.0% (492 parties)

1961 — Saemisch, Friedrich vs Lehmann, Heinz — 0-1 — Kiel GER
1962 — Marovic, Drazen vs Kotov, Alexander — 1/2-1/2 — Hastings ENG
1963 — Kholmov, Ratmir D vs Spassky, Boris Vasily — 1/2-1/2 — Leningrad ch-URS
1963 — Donner, Jan-Hein vs Hein-Bronstein, David — 1/2-1/2 — Beverwijk Beverwijk NED
1963 — Soos, Bela vs Mihai, Stelian — 1-0 — Bucharest ROU

6…a6 — 31.0% (381 parties)

1964 — Vranesic, Zvonko vs Schweber, Samuel — 1/2-1/2 — Tel Aviv olm
1964 — Atamanov, Andrey vs Shianovsky, Vladislav I — 1/2-1/2 — ?
1964 — O'Kelly, Albéric de Galway vs Smyslov, Vasily — 1/2-1/2 — Havana CUB
1965 — Vaisman, Volodia vs Luik, Helmuth — 1/2-1/2 — Tallinn EST
1965 — Petrosian, Tigran V. vs Ivkov, Borislav — 1-0 — Hamburg GER

6…Nc6 — 16.2% (199 parties)

1963 — Zamkovskaya, Violetta Aleks vs Shianovsky, Vladislav I — 0-1 — Kiev UKR
1965 — Rellstab, Ludwig vs Mohrlok, Dieter — 1/2-1/2 — Bad Aibling GER
1965 — Geller, Efim P. vs Tringov, Georgi P — 1/2-1/2 — Havana CUB
1965 — Filip, Miroslav vs Abanin, Vladimir — 1/2-1/2 — Zagreb CRO
1965 — Szilagyi, Peter vs Dely, Peter — 0-1 — HUN

6…Be7 — 3.7% (46 parties)

1965 — Savon, Vladimir vs Radulov, Ivan — 1-0 — ?
1968 — MacGrillen, Hugh vs Holmstrand, Lars — 1-0 — Ybbs
1983 — Szymczak, Zbigniew vs Ardiansyah, Haji — 1/2-1/2 — Polanica Zdroj POL
1983 — Dydyshko, Viacheslav vs Ardiansyah, Haji — 1-0 — Polanica Zdroj POL
1985 — Sanchez, Gabriel vs Alsasua, T — 1-0 — Sunnyvale,LERA Thanksgiving T

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