Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, c4→d5	● d6→c5, f7→e6, g7→h6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v2)	● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Bh4	● Bh4 Ok (mob. 3)
Bb4		● Bb4 Mauvais (mob. 3)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (● g1, ● f1, ● a1, ● h1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé

E31g — Nimzo-Indian: Leningrad, Main Line, 7.e3 O-O

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.e3 O-O * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bd3 (Fou actif (mobilité 8), Développer f1 — 77 % des parties) ; Nf3 (Développer g1 — 8 % des parties) ; f3 (Poussée — 8 % des parties) ; Be2 (Fou actif (mobilité 5), Développer f1 — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...exd5 (Capture en d5, Occuper le centre — 77 % des parties) ; ...b5 (Expansion aile dame — 8 % des parties) ; ...Nbd7 (Développer b8 — 8 % des parties) ; ...e5 (Occuper le centre — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
19. European Teams 2013 – Round 5.11 – Illescas Cordoba, Miguel – 1-0 – Dragun, Kamil – G174 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 O-O 8. Nf3 Qe7 9. Be2 g5 10. Bg3 Ne4
1955 Hastings5556 – Round 2 – Korchnoi, Viktor – 1/2-1/2 – Persitz, Raaphi – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 O-O 8. Bd3 exd5 9. cxd5 Nbd7 10. Ne2 Ne5
1955 Hastings5556 – Round 8 – Penrose, Justin – 0-1 – Ivkov, Borislav – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 h6 6. Bh4 O-O 7. e3 d6 8. Bd3 exd5 9. cxd5 Nbd7 10. Ne2 Ne5
1958 WchT U26 fin-A 05th – Round 1 – Vyslouzil, Antonin – 1/2-1/2 – Padevsky, Nikola – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 O-O 8. Bd3 b5 9. Ne2 exd5 10. cxd5 c4
1958 WchT U26 fin-A 05th – Round 2 – Vesely, Jiri – 0-1 – Lukic, Arsenije – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 O-O 8. Bd3 exd5 9. cxd5 Nbd7 10. Ne2 Ne5
1965 Hoogovens – Round 6 – Johannessen, Svein – 1/2-1/2 – Matanovic, Aleksandar – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 O-O 8. f3 exd5 9. cxd5 Nbd7 10. e4 Ne5
1969 Churchill Memorial Open 17th – Round 6 – Ripley, John M – 1-0 – Cafferty, Bernard – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 O-O 7. e3 d6 8. Bd3 exd5 9. cxd5 Nbd7 10. Ne2 Ne5

E31g — Leningrad, Main Line (1955)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.e3 O-O

Les coups candidats

8.Bd3 — 70.8% (68 parties)

Ambassadeurs : Forintos, Gyozo V (3x), Pritchett, Craig W (3x), Cafferty, Bernard (2x), Flesch, János (2x), Cooper, John G (2x), Vyslouzil, Antonin (1x), Padevsky, Nikola (1x), Korchnoi, Viktor (1x)

8.Nf3 — 18.8% (18 parties)

Ambassadeurs : Wolkenstein, Eckhardt (2x), Jezek, Jaroslav (1x), Brat, Vaclav Dr (1x), Henriksen, Morten Joachim (1x), Pritchett, Craig W (1x), Estremera Panos, Sergio (1x), Martinez Mocete, Sa (1x), Gerchikov, Alexandr (1x)

8.Ne2 — 6.2% (6 parties)

Ambassadeurs : Ivanov, Igor V. (1x), Karklins, Andrew (1x), Tolk, Pieter (1x), Gipslis, Aivars (1x), Tregubov, Pavel V. (1x), Carray, Joseph (1x), Sarmiento Alfonso, Braulio (1x), Perez Lopez Martha Patricia (1x)

8.f3 — 2.1% (2 parties)

Ambassadeurs : Johannessen, Svein (1x), Matanovic, Aleksandar (1x), Zadorozhniy, Alexander (1x), Iljin, Timofey (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Bd3	8.Nf3	8.Ne2	8.f3
<1800	7	86%	—	—	14%
1800-2200	25	68%	20%	8%	—
2200-2600	47	70%	21%	6%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Bd3	8.Nf3	8.Ne2	8.f3
1950s	7	86%	14%	—	—
1960s	2	50%	—	—	50%
1970s	12	92%	—	—	—
1980s	3	67%	—	33%	—
1990s	14	43%	29%	29%	—
2000s	31	68%	29%	—	3%
2010s	23	74%	17%	4%	—
2020s	4	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Bd3	74%	100%	▲ +26.1%
8.Nf3	17%	0%	▼ -17.4%
8.Ne2	4%	0%	▼ -4.3%
8.f3	0%	0%	+0.0%

Parties historiques

8.Bd3 — 70.8% (68 parties)

1955 — Korchnoi, Viktor vs Persitz, Raaphi — 1/2-1/2 — Hastings ENG
1955 — Penrose, Jonathan vs Ivkov, Borislav — 0-1 — Hastings ENG
1956 — Abanin, Vladimir vs Nuren, Abresham Anonta — 1-0 — Student tt
1957 — Wallis, Philip N vs Cafferty, Bernard — 1/2-1/2 — ?
1958 — Vyslouzil, Antonin vs Padevsky, Nikola — 1/2-1/2 — Varna BUL

8.Nf3 — 18.8% (18 parties)

1953 — Jezek, Jaroslav vs Brat, Vaclav Dr — 0-1 — Prague ch-CSR
1993 — Henriksen, Morten Joachim vs Pritchett, Craig W — 1/2-1/2 — Gausdal NOR
1994 — Estremera Panos, Sergio vs Martinez Mocete, Sa — 0-1 — Cordoba ARG
1994 — Lempert, Igor vs Gipslis, Aivars — 1-0 — Alushta UKR
1998 — Gerchikov, Alexandr vs Driamin, Dmitry — 1/2-1/2 — St Petersburg RUS

8.Ne2 — 6.2% (6 parties)

1985 — Ivanov, Igor V. vs Karklins, Andrew — 1/2-1/2 — Midwest Masters Inv
1992 — Tolk, Pieter vs Gipslis, Aivars — 0-1 — Cattolica ITA
1992 — Tregubov, Pavel V. vs Carray, Joseph — 1-0 — Pardubice CZE
1993 — Sarmiento Alfonso, Braulio vs Perez Lopez Martha Patricia — 1/2-1/2 — Las Palmas III
1997 — Nordhausen, Klaus vs Rostek, Joerg — 1/2-1/2 — Ruhrgebiet

8.f3 — 2.1% (2 parties)

1965 — Johannessen, Svein vs Matanovic, Aleksandar — 1/2-1/2 — Beverwijk NED
2003 — Zadorozhniy, Alexander vs Iljin, Timofey — 0-1 — Mariupol UKR

19. European Teams 2013 – Round 5.11 – Illescas Cordoba, Miguel – 1-0 – Dragun, Kamil – G174

1955 Hastings5556 – Round 2 – Korchnoi, Viktor – 1/2-1/2 – Persitz, Raaphi – G6

1955 Hastings5556 – Round 8 – Penrose, Justin – 0-1 – Ivkov, Borislav – G35

1958 WchT U26 fin-A 05th – Round 1 – Vyslouzil, Antonin – 1/2-1/2 – Padevsky, Nikola – G3

1958 WchT U26 fin-A 05th – Round 2 – Vesely, Jiri – 0-1 – Lukic, Arsenije – G14

1965 Hoogovens – Round 6 – Johannessen, Svein – 1/2-1/2 – Matanovic, Aleksandar – G51

1969 Churchill Memorial Open 17th – Round 6 – Ripley, John M – 1-0 – Cafferty, Bernard – G8