Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f5→e4, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (2v0), ● e4 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 3)
Bf1	● Bf1 Non développé (mob. 0)
Be7		● Be7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (● 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	mobile
Ruptures	● c4-c5, ● f2-f3	● …c7-c5, ● …d6-d5, ● …e4-e3

A21e — English: Lukin, 5.Ng5 Be7

1.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Ng5 Be7 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nh3 (87 % des parties) ; h4 (10 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nf6 (Développer g8 — 65 % des parties) ; ...c6 (Renforcer le centre — 30 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1954 Prague zt Prague CZE – Round 13 – Barcza, Gedeon – 0-1 – Balanel, Ion – G44 1. c4 e5 2. Nc3 f5 3. Nf3 d6 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. e3 O-O 8. Nf4 c6 9. Be2 Na6 10. O-O Nc7
1955 Zagreb – Round 10 – Barcza, Gedeon – 1/2-1/2 – Fuderer, Andrija – G102 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 c6 7. e3 Nf6 8. Be2 O-O 9. O-O Na6 10. f3 Nc7
1955 Zagreb – Round 6 – Barcza, Gedeon – 1-0 – Rabar, Braslav – G66 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. e3 c6 8. Be2 Na6 9. O-O Nc7 10. f3 d5
1956 Montevideo – Round 1 – Najdorf, Miguel – 1-0 – De Souza Mendes, Joao – G2 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. e3 O-O 8. Nf4 c6 9. h4 Ng4 10. g3 Na6
1958 Munich olm fin-A – Round 7 – Pachman, Ludek – 1/2-1/2 – Neikirkh, Oleg – G60 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. h4 c6 7. d5 h6 8. Nh3 Bxh4 9. Nf4 Bf6 10. Ng6 Rh7
1958 Portoroz Interzonal – Round 9 – Pachman, Ludek – 1/2-1/2 – Matanovic, Aleksandar – G79 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 c6 7. g3 Nf6 8. Nf4 O-O 9. h4 Na6 10. e3 Nc7
1959 Lodz ch POL – Round 14 – Sliwa, Bogdan – 1-0 – Szpakowski, Marek – G65 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. e3 O-O 8. Be2 c5 9. O-O Kh8 10. f3 Nc6
1960 GBR Ch 47th – Round 3.6 – Edwards, Raymond Brunton – 1/2-1/2 – Thomas Andrew – G28 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. e3 c5 8. d5 Nbd7 9. Be2 Ne5 10. O-O O-O
1960 Olympiad final C – Round 5 – Naranja, Renato – 1/2-1/2 – Tan, Hiang Liong – G8 1. c4 e5 2. Nf3 d6 3. Nc3 f5 4. d4 e4 5. Ng5 Be7 6. h4 Nf6 7. Bf4 Nh5 8. Nh3 Nxf4 9. Nxf4 e3 10. g3 exf2+
1962 It Bamberg GER – Round 11 – Hottes, Dieter – 1-0 – Clemens, Christian, Dr. – G51 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 c6 7. f3 exf3 8. exf3 Nf6 9. Bd3 O-O 10. O-O d5
1962 Poznan ch POL – Round 10 – Brzozka, Stefan – 1-0 – Cylwik, Zbigniew – G59 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. g3 O-O 8. Bg2 c6 9. O-O d5 10. cxd5 Nxd5
1964 Tel Aviv olm fin-B – Round 3 – Naranja, Renato – 1/2-1/2 – Fallone, Michael – G26 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. h4 Nf6 7. g3 h6 8. Nh3 Be6 9. e3 g6 10. Bd2 Nbd7
1965 Marianske Lazne – Round 10 – Hort, Vlastimil – 1-0 – Pirc, Vasja – G47 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 c6 7. g3 Nf6 8. Bg2 Na6 9. f3 O-O 10. O-O exf3
1967 FRG Ch Kiel GER – Round 2 – Cording, Harm – 0-1 – Gerusel, Mathias – G7 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. Bg5 c6 8. e3 O-O 9. Nf4 h6 10. Bxf6 Bxf6
1968 URS Team Ch – Round 4.2 – Osnos, Viatcheslav – 1-0 – Vasiukov, Evgeni – G200 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 Nf6 7. Bg5 Nbd7 8. e3 Nf8 9. Be2 Ne6 10. Bxf6 Bxf6
1972 Skopje ol (Men) fin-A – Round 12 – Portisch, Lajos – 1-0 – Acosta Garcia, Rafael Isaac – G35 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. g3 O-O 8. Bg2 c5 9. d5 Ng4 10. O-O Bf6
Candidats qf3 1977 – Round 8 – Portisch, Lajos – 1-0 – Larsen, Bent – G7 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 c5 7. dxc5 dxc5 8. Qxd8+ Bxd8 9. Nb5 Ba5+ 10. Bd2 Bxd2+
EU Team Ch (Men) 17th 2009 – Round 5 – Markus, Robert – 0-1 – Vallejo Pons, Francisco – G16 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. Bg5 O-O 8. e3 h6 9. Bxf6 Bxf6 10. Nf4 Bg5
Linares 1994 – Round 9 – Illescas Cordoba, Miguel – 1-0 – Lautier, Joel – G47 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 c6 7. g3 Nf6 8. Bg2 O-O 9. O-O Na6 10. f3 d5
Moscow Superblitz 2006 – Round 13 – Grachev, Boris – 1-0 – Svidler, Peter – G33 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 Nf6 7. Bg5 O-O 8. e3 c5 9. Nf4 Nc6 10. Be2 cxd4
Olympiad 2002 – Round 6.1 – Vescovi, Giovanni – 1/2-1/2 – Cubas, Jose – G209 1. c4 e5 2. Nc3 f5 3. Nf3 d6 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. Bg5 O-O 8. e3 c6 9. Nf4 Na6 10. Be2 Nc7
Smyslov Region Group Cup 2021 – Round 11.6 – Rakhmanov, Aleksandr – 1/2-1/2 – Alekseenko, Kirill – G116 1. c4 e5 2. Nf3 d6 3. d4 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 Nf6 7. Bg5 O-O 8. e3 c6 9. Nf4 Na6 10. h4 Nc7
Tilburg Fontys 1996 – Round 4 – Piket, Jeroen – 1/2-1/2 – Adams, Michael – G17 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 c6 7. g3 Nf6 8. Bg2 Na6 9. d5 O-O 10. O-O Nc7
World Blitz 2021 – Round 10.27 – Korobov, Anton – 0-1 – Asadli, Vugar – G587 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. h4 Nf6 7. e3 c6 8. b4 Na6 9. Qb3 Nc7 10. c5 d5
World Blitz 2022 – Round 13.24 – Tang, Andrew – 0-1 – Abdusattorov, Nodirbek – G682 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 Nf6 7. g3 c6 8. d5 Nbd7 9. b3 Ne5 10. Bg2 h5

A21e — Lukin (1954)

1.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Ng5 Be7

Les coups candidats

6.Nh3 — 87.3% (984 parties)

Ambassadeurs : Lukin, Andrei M (7x), Adams, Michael (6x), Kiefhaber, Veronika (5x), Seul, Georg (5x), Anay Barche (4x), Lautier, Joel (4x), Ker, Anthony F (4x), Osnos, Viatcheslav (3x)

6.h4 — 9.9% (112 parties)

Ambassadeurs : Naranja, Renato (2x), Larcheveque, Francois (2x), Rosell, Tomas (2x), Kachiani-Gersinska, Ketino (2x), Tan, Hiang Liong (1x), Pachman, Ludek (1x), Neikirkh, Oleg (1x), Fallone, Michael (1x)

6.Nd5 — 2.2% (25 parties)

Ambassadeurs : Veron, Cyprien (2x), Restout, Bruce (2x), Torres, Alejo Santiago Jose (1x), Houpt, David (1x), Nemeth, Maria (1x), Kiefhaber, Veronika (1x), Michonneau, I. (1x), Ekanayaka, Thevindu Tehan (1x)

6.f4 — 0.4% (4 parties)

Ambassadeurs : Malajovich, Sandra (2x), Sabirova Shakhnoza (1x), Sabirova, Sophia (1x), Saunders, Walter N. R. (1x), Pugh, Derek C (1x), Wohlfahrt, Frank (1x), Walter, Eugen (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Nh3	6.h4	6.Nd5	6.f4
<1800	28	86%	7%	7%	—
1800-2200	369	84%	12%	3%	1%
2200-2600	605	91%	8%	1%	—
2600+	27	81%	19%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Nh3	6.h4	6.Nd5	6.f4
1950s	7	86%	14%	—	—
1960s	14	86%	14%	—	—
1970s	27	85%	15%	—	—
1980s	33	85%	15%	—	—
1990s	242	91%	6%	2%	1%
2000s	323	86%	10%	3%	0%
2010s	392	89%	9%	2%	0%
2020s	89	78%	21%	1%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Nh3	89%	78%	▼ -11.0%
6.h4	9%	21%	▲ +12.4%
6.Nd5	2%	1%	▼ -1.2%
6.f4	0%	0%	-0.3%

Parties historiques

6.Nh3 — 87.3% (984 parties)

1954 — Anay Barche vs Balanel, Ion — 0-1 — Prague zt Prague CZE
1955 — Anay Barche vs Fuderer, Andrija — 1/2-1/2 — Zagreb CRO
1955 — Anay Barche vs Rabar, Braslav — 1-0 — Zagreb CRO
1956 — Miguel, Nahuel vs De Souza Mendes, Joao — 1-0 — Montevideo URU
1958 — Pachman, Ludek vs Matanovic, Aleksandar — 1/2-1/2 — Portoroz izt

6.h4 — 9.9% (112 parties)

1958 — Pachman, Ludek vs Neikirkh, Oleg — 1/2-1/2 — Munich GER
1960 — Naranja, Renato vs Tan, Hiang Liong — 1/2-1/2 — Leipzig GER
1964 — Naranja, Renato vs Fallone, Michael — 1/2-1/2 — Tel Aviv ISR
1970 — Hohler, Peter vs Adhami, Vangjel — 1/2-1/2 — Siegen olm
1974 — Krause, Christian vs Aijala, Jouko — 0-1 — EU/M/GT/53 (Kirjeshakki)

6.Nd5 — 2.2% (25 parties)

1992 — Martenot Jean vs Boissel, Brice — 0-1 — ?
1993 — Nemeth, Maria vs Kiefhaber, Veronika — 0-1 — Budapest HUN
1996 — Michonneau, I. vs Ekanayaka, Thevindu Tehan — 1-0 — Cap d'Agde FRA
1999 — Torres, Alejo Santiago Jose vs Houpt, David — 0-1 — 3 ECT A SEMI
1999 — Veron, Cyprien vs Restout, Bruce — 1-0 — St Lorrain

6.f4 — 0.4% (4 parties)

1992 — Malajovich, Sandra vs Sabirova Shakhnoza — 1/2-1/2 — Manila olw
1992 — Malajovich, Sandra vs Sabirova, Sophia — 1/2-1/2 — Manila ol women
2004 — Saunders, Walter N. R. vs Pugh, Derek C — 0-1 — Telford ENG
2011 — Wohlfahrt, Frank vs Walter, Eugen — 1-0 — GER

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