Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● e6→f5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v1), ● g5 (2v0)	● e4 (2v1), ● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bg2	● Bg2 Ok (mob. 2)
Be7		● Be7 Ok (mob. 1)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● c4-c5, ● d4-d5, ● e2-e4	● …c7-c5, ● …d6-d5, ● …e6-e5, ● …f5-f4

A97b — Dutch: Ilyin-Zhenevsky, 8.b4

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.b4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Qb3 (Contrôle diagonale b3-g8 — 20 % des parties) ; b5 (Expansion aile dame — 15 % des parties) ; Bb2 (Développer c1 — 12 % des parties) ; c5 (Frapper le centre adverse — 9 % des parties) ; Rb1 (7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Qh5 (24 % des parties) ; ...a5 (16 % des parties) ; ...Nbd7 (Développer b8 — 16 % des parties) ; ...e5 (Occuper le centre — 10 % des parties) ; ...Nc6 (Développer b8 — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1949 URS Ch, semi final – Round 1 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Rovner, Dmitry – G9 1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. c4 O-O 6. Nc3 d6 7. O-O Qe8 8. b4 Qh5 9. c5 a5 10. cxd6 Bxd6
1954 New York ch-USA – Round 4 – Bisguier, Arthur B – 1-0 – Burger, Kim – G15 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. Nf3 O-O 6. Nc3 d6 7. O-O Qe8 8. b4 Qh5 9. Qb3 Kh8 10. c5 a5
1967 Sofia – Round 1 – Padevsky, Nikola – 1-0 – Petrovikis, Dimosthenis – G5 1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. Nc3 Qe8 8. b4 a5 9. bxa5 Rxa5 10. Nb5 Bd8
1968 Hungary – Round 1 – Kluger, Gyula – 1/2-1/2 – Farago, Ivan – G10 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. Nc3 Qe8 8. b4 a5 9. bxa5 Nc6 10. d5 Nxa5
1969 EU Ch U20 final-A – Round 8 – Vaganian, Rafael A – 1-0 – Andersson, Ulf 1949 – G8 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O d6 7. Nc3 Qe8 8. b4 Qh5 9. Qb3 Kh8 10. c5 Nc6
74. Tata Steel GMA 2012 – Round 8 – Karjakin, Sergey – 1/2-1/2 – Nakamura, Hikaru – G50 1. c4 f5 2. d4 Nf6 3. Nf3 e6 4. g3 Be7 5. Bg2 O-O 6. O-O d6 7. Nc3 Qe8 8. b4 Bd8 9. c5 e5 10. dxe5 dxe5
World Blitz 2019 – Round 17.30 – Sakaev, Konstantin – 1-0 – Amin, Bassem – G1139 1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. g3 Be7 5. Bg2 O-O 6. O-O d6 7. Nc3 Qe8 8. b4 Nc6 9. b5 Nd8 10. a4 Qh5

A97b — Ilyin-Zhenevsky (1949)

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.b4

Les coups candidats

8…Qh5 — 23.5% (48 parties)

Ambassadeurs : Vegh, Endre (2x), Vaganian, Rafael A (1x), Andersson, Ulf (1x), Bisguier, Arthur B (1x), Burger, PJ (1x), Gendron, Bernard (1x), Groleau, Gilles (1x), Schinis, Marios (1x)

8…Nbd7 — 16.2% (33 parties)

Ambassadeurs : Boe, Mads (2x), Groenig, D. (1x), Sutherland, Donald (1x), Groenig, David (1x), Sutherland, Don C (1x), Korelov, Alexander P (1x), Matvik (1x), Hartoch, Robert G (1x)

8…a5 — 14.2% (29 parties)

Ambassadeurs : McKone, Peter (2x), Kluger, Gyula (1x), Bakheet Farag (1x), Padevsky, Nikola (1x), Petrovikis, Dimosthenis (1x), Dobrzynski, Wojciech (1x), Nowacki, Marian (1x), Puschmann, Laszlo (1x)

8…Nc6 — 11.8% (24 parties)

Ambassadeurs : Mueller, Michael (2x), Romih, Max (1x), D'Augusta, Arrigo (1x), Rashkovsky, Nukhim N (1x), Lindgren, Mats (1x), Kottwitz, Daniel (1x), Tosic, Miroslav (1x), Gavritenkov, Sergei (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Qh5	8…Nbd7	8…a5	8…Nc6
<1800	11	36%	18%	18%	9%
1800-2200	88	23%	17%	9%	12%
2200-2600	75	24%	7%	20%	13%
2600+	2	—	—	—	50%

Évolution par décennie (% des parties)

Décennie	N parties	8…Qh5	8…Nbd7	8…a5	8…Nc6
1950s	2	50%	—	—	50%
1960s	7	14%	43%	43%	—
1970s	6	—	50%	17%	—
1980s	18	28%	6%	22%	6%
1990s	38	29%	11%	8%	11%
2000s	49	14%	22%	20%	14%
2010s	65	29%	14%	9%	12%
2020s	19	21%	11%	11%	16%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Qh5	29%	21%	▼ -8.2%
8…Nbd7	14%	11%	▼ -3.3%
8…a5	9%	11%	▲ +1.3%
8…Nc6	12%	16%	▲ +3.5%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 1 partie

Parties historiques

8…Qh5 — 23.5% (48 parties)

1954 — Bisguier, Arthur B vs Burger, PJ — 1-0 — New York ch-USA
1968 — Vaganian, Rafael A vs Andersson, Ulf — 1-0 — Groningen NED
1980 — Curtis, John vs Travers, Roy B. — 1/2-1/2 — Adelaide AUS
1982 — Gendron, Bernard vs Groleau, Gilles — 1-0 — Montreal CAN
1984 — Schinis, Marios vs Nielsen, Tage — 1/2-1/2 — Thessaloniki olm

8…Nbd7 — 16.2% (33 parties)

1961 — Groenig, D. vs Sutherland, Donald — 1/2-1/2 — ?
1961 — Groenig, David vs Sutherland, Don C — 1/2-1/2 — San Francisco, CA USA
1964 — Korelov, Alexander P vs Matvik — 1-0 — Latvia
1970 — Hartoch, Robert G vs Corden, Martyn J — 1/2-1/2 — Paignton ENG
1970 — De Coverly, Roger D vs Themis, BJ. — 1/2-1/2 — Hammersmith

8…a5 — 14.2% (29 parties)

1967 — Padevsky, Nikola vs Petrovikis, Dimosthenis — 1-0 — Sofia BUL
1967 — Dobrzynski, Wojciech vs Nowacki, Marian — 0-1 — Szczecin ch POL
1968 — Kluger, Gyula vs Bakheet Farag — 1/2-1/2 — Budapest HUN
1971 — Perkins, Alan H vs Pritchett, Craig W — 1/2-1/2 — Blackpool ch-BCF
1986 — Leveille, Francois vs Chabot, Roland — 1-0 — Montreal CAN

8…Nc6 — 11.8% (24 parties)

1957 — Romih, Max vs D'Augusta, Arrigo — 1-0 — Reggio Emilia ITA
1987 — Rashkovsky, Nukhim N vs Lindgren, Mats — 1-0 — HUN-ch op Eger
1997 — Fatalibekova, Elena vs Savitskaya, Ekaterina P. — 1-0 — Moscow RUS
1998 — Tosic, Miroslav vs Gavritenkov, Sergei — 1/2-1/2 — Moscow RUS
1999 — Mueller, Michael vs Kottwitz, Daniel — 1/2-1/2 — GER