Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3 ● g6→f5, b7→c6, e7→d6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0), ● 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. 5)
Bg2 ● Bg2 Ok (mob. 3)
Bg7 ● Bg7 Ok (mob. 2)
Bc8 ● Bc8 Non développé (mob. 2)
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 ● …c6-c5, ● …d6-d5, ● …e7-e5, ● …f5-f4

A88d — Dutch: Leningrad, Main Line, 7.Nc3 c6 8.Re1

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6 8.Re1 *   ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bR
bK
bP
bP
bP
bB
bP
bP
bP
bN
bP
bP
Case forte (2v0)
wP
wPPion central
Case forte (2v0)
wN
wN
wP
wP
wP
wP
wP
wB
wP
wR
wBFou actif — mobilité 5
wQ
wR
wK
abcdefgh
Plans. e4 (Occuper le centre — 20 % des parties) ; Qc2 (20 % des parties) ; a3 (Préparer expansion aile dame — 10 % des parties) ; b3 (Préparer le fianchetto — 9 % des parties) ; Qb3 (Contrôle diagonale b3-g8 — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wB
wR
wP
wB
wP
wP
wP
wP
wP
wN
wN
Avant-poste C (accessible)
Case forte (2v1)
wP
wP
bP
bP
bN
bP
bP
bP
bB
bP
bP
bP
bK
bR
bQ
bB
bN
bR
hgfedcba
Plans. ...Ne4 (Cavalier centralisé en e4 — 35 % des parties) ; ...Na6 (Développer b8 — 32 % des parties) ; ...Qc7 (12 % des parties) ; ...Qe8 (7 % des parties) ; ...Nh5 (5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1951 Bucharest GMT 2nd – Round 12 – Milev, Zdravko – 1/2-1/2 – Urseanu, Veniamin – G47
1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d4 d6 7. Nc3 c6 8. Re1 Na6 9. h3 Kh8 10. e4 fxe4
1957 CSR Ch sf – Round 9 – Wolf, Rudolf – 0-1 – Vesely, Jiri – G33
1. c4 f5 2. d4 Nf6 3. Nf3 c6 4. g3 d6 5. Nc3 g6 6. Bg2 Bg7 7. O-O O-O 8. Re1 Qc7 9. d5 e5 10. dxe6 Bxe6
1961 Rostov – Round 1 – Bondarevsky, Igor – 0-1 – Liebert, Heinz – G1
1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. Re1 Qc7 9. e4 fxe4 10. Nxe4 Nxe4
1962 Sofia – Round 11 – Golz, Werner – 1/2-1/2 – Ciocaltea, Victor – G62
1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6 8. Re1 Ne4 9. Qd3 Nxc3 10. bxc3 e5
1962 URS-ch30 – Round ? – Kholmov, Ratmir D – 1-0 – Bannik, Anatolij – G6
1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O d6 7. Nc3 c6 8. Re1 Ne4 9. Qd3 Nxc3 10. bxc3 e5
1963 FRG Ch 07th – Round 5 – Gerusel, Mathias – 1-0 – Clemens, Christian, Dr. – G11
1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. c4 O-O 6. O-O d6 7. Nc3 c6 8. Re1 Na6 9. b3 Qa5 10. Bb2 e5
1964 Rubinstein Memorial – Round 3 – Doda, Zbigniew – 1-0 – Tsvetkov, Alexandar K – G12
1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O d6 6. d4 O-O 7. Nc3 c6 8. Re1 Na6 9. b3 Nh5 10. e3 Qe8
1964 SWE Ch – Round ? – Jansson, Borje – 1/2-1/2 – Aurell, Bo – G15
1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. Re1 Ne4 9. Qd3 Nxc3 10. bxc3 e5
1965 Buenos Aires Ch – Round 7 – Behrensen, Jorge – 1-0 – Studenetzky, Moises – G22
1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 c6 5. O-O g6 6. c4 Bg7 7. Nc3 O-O 8. Re1 Ne4 9. Qd3 Nxc3 10. Qxc3 Qc7
1968 CSR Ch – Round 11 – Kozma, Julius – 0-1 – Jansa, Vlastimil – G94
1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. Re1 Na6 9. e4 fxe4 10. Nxe4 Nxe4
43. Olympiad 2018 – Round 5.25 – Supi, Luis Paulo – 1/2-1/2 – Cheparinov, Ivan – G328
1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nc3 d6 7. d4 c6 8. Re1 Na6 9. Qb3 Qb6 10. Qc2 Qc7
77. Tata Steel GpA 2015 – Round 5.2 – Wojtaszek, Radoslaw – 1-0 – Caruana, Fabiano – G19
1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6 8. Re1 Na6 9. b3 Ne4 10. Bb2 Nxc3
Qatar Masters Open 2015 – Round 4.24 – Xu, Yinglun – 1-0 – Sethuraman, S.P. – G142
1. d4 g6 2. c4 Bg7 3. Nf3 f5 4. g3 Nf6 5. Bg2 d6 6. O-O O-O 7. Nc3 c6 8. Re1 Na6 9. b3 Qc7 10. Ba3 Re8
SportAccord Basque Men 2013 – Round 1.1 – Vachier-Lagrave, Maxime – 0-1 – Ponomariov, Ruslan – G1
1. c4 f5 2. d4 Nf6 3. Nc3 d6 4. g3 g6 5. Bg2 Bg7 6. Nf3 O-O 7. O-O c6 8. Re1 Ne4 9. Qc2 Nxc3 10. bxc3 e5

A88d — Leningrad, Main Line (1951)
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6 8.Re1
Les coups candidats
8…Ne4 — 34.9% (335 parties)
Ambassadeurs : Cmilyte, Viktorija (4x), Ciocaltea, Victor (2x), Kaiszauri, Konstanty (2x), Staller, Peter (2x), Zahn, Nicol (2x), Sarmiento Torres, Felipe (2x), Golz, Werner (1x), Kamensky, Vitaly (1x)
8…Na6 — 31.8% (305 parties)
Ambassadeurs : Hugo, Thomas (4x), Kuczynski, Robert (3x), Grabara, Manfred (3x), Pirs, Jernej (3x), Ivanov, Alexander Al. (2x), Haakert, Juergen (2x), Marwitz, Ullrich, Dr. (2x), Doda, Zbigniew (1x)
8…Qc7 — 11.5% (110 parties)
Ambassadeurs : Pasko, Alexander (3x), Vinje, Arne (2x), Ek, Hans (2x), Tishin, D. (2x), Bondarevsky, Igor (1x), Liebert, Heinz (1x), Wolf, Rudolf (1x), Vesely, Jiri (1x)
8…Qe8 — 7.2% (69 parties)
Ambassadeurs : Strejc, Josef (2x), Vrana, Frantisek (2x), Kovar, Vojtech (1x), Ramseier, Jana S. (1x), Roth, Christian (1x), Chudy, Rastislav (1x), Ferrer Serrano, Roberto (1x), Rebolledo Francisco Javier (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Ne4 8…Na6 8…Qc7 8…Qe8
<1800 71 28% 35% 10% 10%
1800-2200 460 35% 27% 14% 10%
2200-2600 285 36% 42% 7% 3%
2600+ 15 27% 67%
Évolution par décennie (% des parties)
Décennie N parties 8…Ne4 8…Na6 8…Qc7 8…Qe8
1950s 3 33% 33% 33%
1960s 11 55% 36% 9%
1970s 34 26% 15% 18%
1980s 37 49% 11% 14%
1990s 155 34% 21% 12% 14%
2000s 229 34% 27% 16% 9%
2010s 368 34% 37% 10% 7%
2020s 122 36% 49% 3% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Ne4 34% 36% ▲ +1.8%
8…Na6 37% 49% ▲ +12.2%
8…Qc7 10% 3% ▼ -6.8%
8…Qe8 7% 3% ▼ -3.2%
Parties historiques
8…Ne4 — 34.9% (335 parties)
1957 — Kamensky, Vitaly vs Shekhtman, Eduard — 1-0 — ?
1961 — Laursen, Lau vs Nielsen, Axel — 1/2-1/2 — ?
1962 — Golz, Werner vs Ciocaltea, Victor — 1/2-1/2 — Sofia BUL
1962 — Kholmov, Ratmir D vs Bannik, Anatolij — 1-0 — Erevan ARM
1964 — Jansson, Borje vs Agostini, Aurel — 1/2-1/2 — Goteborg SWE
8…Na6 — 31.8% (305 parties)
1951 — Milev, Zdravko vs Urseanu, Veniamin — 1/2-1/2 — Bucharest ROU
1962 — Kchouk, Bechir vs Roth, Rolf — 0-1 — Varna BUL
1963 — Gerusel, Mathias vs Clemens, Christian, Dr. — 1-0 — Bad Pyrmont GER
1964 — Doda, Zbigniew vs Tsvetkov, Alexandar K — 1-0 — Polanica Zdroj POL
1968 — Kozma, Julius vs Jansa, Vlastimil — 0-1 — Luhacovice CZE
8…Qc7 — 11.5% (110 parties)
1957 — Wolf, Rudolf vs Vesely, Jiri — 0-1 — Brno CZE
1961 — Bondarevsky, Igor vs Liebert, Heinz — 0-1 — Rostov RUS
1972 — Kneale, Frank K vs Collins, Richard — 0-1 — Lancaster
1975 — Vinje, Arne vs Ek, Hans — 1-0 — Eksjo SWE
1975 — Vinje, Arne vs Ek, Hans — 1-0 — Eksjo SWE
8…Qe8 — 7.2% (69 parties)
1991 — Ferrer Serrano, Roberto vs Rebolledo Francisco Javier — 1-0 — ESP
1991 — Heimo, Hannu vs Sund, Jan — 0-1 — Tampere
1992 — Loiza, Martin vs Garcia Rendon, Maximiliano Ronaldo — 1-0 — Saladillo ch-ARG U16
1993 — Fronczek, Heinrich vs Wohlfahrt, Herbert — 1-0 — GER
1993 — Wenghoefer, Manfred-Hans vs Gerczuk, Michael — 0-1 — GER

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