A81k — Dutch: 2.g3 Nf6 3.Bg2 g6 4.Nf3

1.d4 f5 2.g3 Nf6 3.Bg2 g6 4.Nf3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes f4, e5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nbd2 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes e4 et g4, un avant-poste en g4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Bd6 (Développer Bf8) ; ...Bg4 (Clouer Nf3).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● g6→f5, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v0), ● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (1v0), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, c1, a1, h1)	5 (b8, c8, 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	semi-ouvert
Ruptures	● c2-c3, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f5-f4

Partie
1933 GER Ch 1st – Round 3 – Roedl, Ludwig – 1-0 – Seitz, Jakob Adolf – G12 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. O-O O-O 6. Nc3 d6 7. Qd3 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. e4 fxe4
1957 URS Ch, semi final – Round 1 – Borisenko, Georgy K – 1-0 – Lutikov, Anatoly S – G2 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. d5 d6 7. Nd4 Qe8 8. Nc3 c6 9. Bg5 Bd7 10. Bxf6 Bxf6
1959 Moscow – Round 1 – Aronson, Lev – 0-1 – Mukhin, Aleksander – G8 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d5 c5 7. c4 d6 8. Nc3 Na6 9. Ng5 Nc7 10. e4 h6
1960 BUL-ch14 Sofia BUL – Round 18 – Andreev Alexi – 0-1 – Neikirkh, Oleg – G71 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. O-O O-O 6. d5 d6 7. Nd4 Bd7 8. c4 c5 9. Nf3 Na6 10. Nc3 Nc7
1960 It Bad Salzungen GER – Round 10 – Prahov, Valentin – 1/2-1/2 – Bertholdt, Dieter – G46 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d5 Na6 7. c4 d6 8. Nd4 Bd7 9. Nc3 Qe8 10. Re1 Nc5
1961 Reggio Emilia 6162 04th – Round ? – Romani, Elio – 1/2-1/2 – Ghitescu, Theodor – G3 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 a5 8. c4 a4 9. bxa4 Nbd7 10. Qb3 Ne4
1961 Zevenaar – Round 13 – Bouwmeester, Hans – 1/2-1/2 – Stahlberg, Gideon – G88 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. c4 Qc7 9. Nbd2 a5 10. Re1 Na6
1962 Bucharest ROM – Round 12 – Baumbach, Friedrich, Dr. – 0-1 – Gheorghiu, Florin – G31 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. Nbd2 a5 9. a4 Na6 10. Re1 Ne4
1962 Gera ch GDR – Round 1 – Baumbach, Friedrich, Dr. – 1/2-1/2 – Liebert, Heinz – G1 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 c6 7. Bb2 d6 8. Nbd2 Nbd7 9. Re1 d5 10. Ng5 Nb6
1962 Gera ch GDR – Round 7 – Starck, Bodo – 1-0 – Bertholdt, Dieter – G13 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nc3 c6 7. d5 d6 8. e4 fxe4 9. Ng5 Bg4 10. Qd2 Bh6
1965 Yerevan – Round 11 – Portisch, Lajos – 1/2-1/2 – Nei, Iivo – G58 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. c4 Qe8 9. Nbd2 h6 10. Qc2 g5
1968 Sweden (ch) – Round 3 – Brostrom, Goran – 1/2-1/2 – Skold, Kristian – G9 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. c4 a5 9. Nc3 Ne4 10. Qc2 Nxc3
1969 Danmarksmesterskabet – Round 6 – Brinck-Claussen, Bjorn – 1-0 – Petersen, Finn – G12 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d5 Ne4 7. Nbd2 Nxd2 8. Nxd2 e5 9. dxe6 dxe6 10. Nc4 Qe7
1969 Hoogovens-B – Round 15 – Sandor, Balazs – 1/2-1/2 – Gaprindashvili, Nona – G88 1. Nf3 g6 2. d4 f5 3. g3 Nf6 4. Bg2 Bg7 5. O-O O-O 6. Nbd2 d6 7. c3 Nc6 8. Qb3+ Kh8 9. d5 Nb8 10. Nd4 Na6
1969 Raach zt – Round ? – Portisch, Lajos – 1-0 – Zwaig, Arne – G187 1. d4 f5 2. g3 g6 3. Bg2 Nf6 4. Nf3 d6 5. b3 Bg7 6. Bb2 c6 7. O-O O-O 8. c4 a5 9. Nc3 Ne4 10. Rc1 d5
1969 Raach zt – Round ? – Uhlmann, Wolfgang – 1-0 – Zwaig, Arne – G8 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 d6 5. O-O Bg7 6. b3 O-O 7. Bb2 c6 8. c4 Ne4 9. Nbd2 d5 10. Rc1 Be6
1969 Raach zt – Round 14 – Jakobsen, Ole – 1/2-1/2 – Zwaig, Arne – G126 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 d6 5. O-O Bg7 6. b3 O-O 7. Bb2 c6 8. c4 a5 9. Nc3 Na6 10. Rc1 Bd7
1972 Skopje ol (Men) fin-A – Round 8 – Garcia Rodriguez, Raimundo – 1/2-1/2 – Kavalek, Lubomir – G375 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. b3 d6 6. Bb2 O-O 7. O-O c6 8. c4 Qc7 9. d5 Na6 10. Nc3 e5
42. Olympiad 2016 – Round 6.28 – Solomon, Kenneth Terence – 0-1 – Le, Quang Liem – G432 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. c4 Qc7 9. Qc2 a5 10. Nbd2 Na6
43. Olympiad 2018 – Round 6.4 – Marjanovic, Dejan – 1/2-1/2 – Nakamura, Hikaru – G404 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. Nbd2 Nc6 7. Re1 d5 8. c4 e6 9. b3 Ne4 10. Bb2 b6
Baku FIDE Grand Prix 2014 – Round 2.1 – Andreikin, Dmitry – 0-1 – Nakamura, Hikaru – G7 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c3 d6 7. Qb3+ e6 8. Bg5 Qe8 9. Nbd2 Nh5 10. Ne1 h6
Brussels 1987 – Round 1 – Al Tal, Ammar – 1-0 – Meulders, Richard – G9 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 c6 7. Bb2 Qe8 8. Nbd2 h6 9. Ne5 d6 10. Nd3 Qf7
Brussels blitz 1987 – Round 1 – Sosonko, Gennadi – 0-1 – Korchnoi, Viktor – G23 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. b3 O-O 6. Bb2 d6 7. Nbd2 Qe8 8. O-O Nc6 9. Nc4 Kh8 10. d5 Nb4
Corus A 2010 – Round 4 – Anand, Viswanathan – 1/2-1/2 – Nakamura, Hikaru – G22 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b4 Nc6 7. a3 d5 8. Bb2 Ne4 9. Nbd2 Be6 10. e3 a5
EU Team Ch Plovdiv 1983 – Round 3 – Portisch, Lajos – 1/2-1/2 – Dam Mortensen, Erling – G8 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. b3 O-O 6. Bb2 d6 7. c4 c6 8. O-O Na6 9. Nc3 Qc7 10. d5 Kh8
European Club Cup 2015 – Round 3.1 – Landa, Konstantin – 1/2-1/2 – Mamedyarov, Shakhriyar – G38 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 c5 7. c4 cxd4 8. Bb2 Nc6 9. Nxd4 Qb6 10. Nc2 d6
FIDE World Blitz Championship 2014 – Round 2.7 – Inarkiev, Ernesto – 0-1 – Nepomniachtchi, Ian – G15 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. b3 O-O 6. Bb2 d6 7. O-O a5 8. c4 c6 9. Re1 Qc7 10. Nbd2 Na6
FIDE World Rapid Championship 2014 – Round 12.23 – Van Wely, Loek – 1-0 – Bartel, Mateusz – G39 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. b4 O-O 6. O-O c6 7. c4 Ne4 8. Bb2 d5 9. Nbd2 Be6 10. cxd5 Bxd5
Interpolis 1984 – Round 1 – Sosonko, Gennadi – 0-1 – Beliavsky, Alexander G – G14 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 Qe8 8. Nbd2 Nc6 9. Nc4 Be6 10. Ng5 Bxc4
Lindores Abbey Tal Memorial 2021 – Round 12.4 – Korobov, Anton – 1-0 – Paravyan, David – G541 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 a5 8. c4 a4 9. bxa4 Ne4 10. Nfd2 Nxd2
Lindores Abbey Tal Memorial 2021 – Round 3.45 – Vantika Agrawal – 0-1 – Fedoseev, Vladimir – G157 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. c4 Kh8 9. Nbd2 Be6 10. Qc2 d5
Moskou ch-URS 1988 – Round 1 – Beliavsky, Alexander G – 1/2-1/2 – Gurevich, Mikhail – G10 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c3 O-O 6. Bg5 c6 7. Nbd2 d5 8. Ne5 Nbd7 9. Bf4 Nxe5 10. Bxe5 Bh6
Moskou ch-URS 1988 – Round 1 – Kasparov, Garry – 1/2-1/2 – Malaniuk, Vladimir P – G12 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 Qe8 8. c4 Na6 9. d5 Bd7 10. Nc3 c6
Munchen 1993 – Round 11 – Lautier, Joel – 0-1 – Bareev, Evgeny – G46 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 Ng4 8. Nbd2 Nc6 9. Nc4 d5 10. Ncd2 e5
Tal Memorial 2010 – Round 9 – Grischuk, Alexander – 1/2-1/2 – Nakamura, Hikaru – G38 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. Nbd2 a5 9. c4 Na6 10. Qc2 Qc7
World Blitz 2015 – Round 20.51 – Bindrich, Falko – 0-1 – Vallejo Pons, Francisco – G1266 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. c4 e6 9. Nbd2 a5 10. a3 Na6
World Blitz 2016 – Round 6.33 – Jumabayev, Rinat – 1-0 – Potapov, Pavel – G244 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. b3 O-O 6. Bb2 Ne4 7. O-O d6 8. c4 Nc6 9. Nc3 Nxc3 10. Bxc3 Qe8
World Rapid 2016 – Round 7.48 – Agdestein, Simen – 0-1 – Potapov, Pavel – G281 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b4 c6 7. c4 d5 8. Nbd2 a5 9. bxa5 Rxa5 10. a4 Ne4
World Rapid 2019 – Round 11.8 – Korobov, Anton – 1-0 – Anton Guijarro, David – G748 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 Ne4 8. Nbd2 Nc6 9. Nc4 e6 10. e3 b5
World Rapid 2019 – Round 4.39 – Korobov, Anton – 1/2-1/2 – Sethuraman, S.P. – G252 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 a5 8. c4 c6 9. Nbd2 e5 10. dxe5 Nfd7
Yerevan ol (Men) 1996 – Round 13 – Van Wely, Loek – 1/2-1/2 – Nikolic, Predrag – G191 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 Na6 8. c4 e5 9. dxe5 Ng4 10. h3 Nxe5

A81k —

1.d4 f5 2.g3 Nf6 3.Bg2 g6 4.Nf3

Eval: [+0.54]

Les coups candidats

4…Bg7 — 98.5% (16850 parties)

Ambassadeurs : Malaniuk, Vladimir P (143x), Pirs, Matjaz (78x), Hoang, Thanh Trang (71x), Sherwood, Russell (66x), Marten, Gero (51x), Hild, Harald (46x), Aalderink, Gerwin (45x), Kurowski, Andrzej (45x)

4…d6 — 1.2% (203 parties)

Ambassadeurs : Almarza Mato, Carlos (10x), Ringsborg, Allan (4x), Zwaig, Arne (3x), Kociscak, Jiri (3x), Abend, Peter (2x), Jenssen, Jens (2x), Aalderink, Gerwin (2x), Escribano, Jose (2x)

4…c6 — 0.1% (15 parties)

Ambassadeurs : Kholmov, Ratmir D (2x), Meijers, Viesturs (2x), Malich, Burkhard, Dr. (1x), Knezevic, Milorad (1x), Beim, Valeri (1x), Beum (1x), Stepien, G (1x), Objois, Pierre-henri (1x)

4…e6 — 0.1% (13 parties)

Ambassadeurs : Heilmann, Michael (4x), Holzhey, Beate (2x), Gantner, Ralf (2x), Allen, Richard (1x), Hoefer, Hans-Peter (1x), Leupold, Volker (1x), Pirs, Matjaz (1x), Oberpriller, Johannes (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Bg7	4…d6	4…c6	4…e6
<1800	305	95%	3%	1%	—
1800-2200	5370	98%	2%	0%	0%
2200-2600	8950	99%	1%	0%	0%
2600+	241	99%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Bg7	4…d6	4…c6	4…e6
1910s	1	100%	—	—	—
1920s	1	100%	—	—	—
1930s	5	100%	—	—	—
1940s	3	100%	—	—	—
1950s	34	97%	—	—	—
1960s	107	96%	4%	—	—
1970s	243	99%	1%	0%	—
1980s	847	99%	1%	0%	—
1990s	3552	99%	1%	0%	—
2000s	4615	99%	1%	0%	0%
2010s	6449	98%	2%	0%	0%
2020s	1243	99%	1%	0%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Bg7	98%	99%	▲ +0.9%
4…d6	2%	1%	▼ -0.9%
4…c6	0%	0%	+0.0%
4…e6	0%	0%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 8 parties
Carlsen, Magnus — 8 parties
Ju, Wenjun — 7 parties
Karpov, Anatoly — 6 parties
Anand, Viswanathan — 4 parties
Smyslov, Vladimir — 2 parties
Euwe, Max — 1 partie
Kasparov, Garry — 1 partie
Karpov, Aleksandr — 1 partie
Ding, Liren — 1 partie

Parties historiques

4…Bg7 — 98.5% (16850 parties)

1913 — Danielan, E. vs Rublevsky, Sergei — 0-1 — Yurmala
1928 — Alonso de Blas, Alejandro vs Kletchinski — 1-0 — Warsaw POL
1930 — Saunders, Harold vs Seitz, Jakob Adolf — 0-1 — Scarborough ENG
1931 — Horowitz, Albert Israel vs Kostic, Boris — 1/2-1/2 — Prague CZE
1933 — Roedl, Ludwig vs Seitz, Jakob Adolf — 1-0 — Bad Pyrmont GER

4…d6 — 1.2% (203 parties)

1962 — Aloni, Itzchak vs Ghitescu, Theodor — 1/2-1/2 — Varna olm
1969 — Portisch, Lajos vs Zwaig, Arne — 1-0 — Raach
1969 — Uhlmann, Wolfgang vs Zwaig, Arne — 1-0 — Raach zt
1969 — Jakobsen, Ole vs Zwaig, Arne — 1/2-1/2 — Raach
1971 — Oppedal, David vs Vorpagel, Russell — 1/2-1/2 — ?

4…c6 — 0.1% (15 parties)

1976 — Malich, Burkhard, Dr. vs Knezevic, Milorad — 1-0 — Decin CZE
1982 — Beim, Valeri vs Kholmov, Ratmir D — 1-0 — Smolensk RUS
1982 — Beum vs Kholmov, Ratmir D — 1-0 — Smolensk RUS
1997 — Stepien, G vs Objois, Pierre-henri — 1-0 — Issy les Moulineaux
2002 — Canals Francesco vs Burdio Gracia, Delfin — 1/2-1/2 — Logrono

4…e6 — 0.1% (13 parties)

2002 — Allen, Richard vs Hoefer, Hans-Peter — 0-1 — IECC
2004 — Holzhey, Beate vs Heilmann, Michael — 1-0 — ?
2004 — Gantner, Ralf vs Heilmann, Michael — 1/2-1/2 — ?
2004 — Holzhey, Beate vs Heilmann, Michael — 1-0 — ?
2004 — Gantner, Ralf vs Heilmann, Michael — 1/2-1/2 — ?

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