A96g — Dutch: Classical, 7.b3 a5 8.Bb2

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.b3 a5 8.Bb2 *   ● 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
bB
bP
bP
bP
bP
bN
bP
bP
wP
wPPion central
wP
wN
wP
wP
wB
wP
wP
wB
wP
wR
wN
wQ
wR
wK
abcdefgh
Plans. Nc3 (Développer b1 — 36 % des parties) ; Nbd2 (Développer b1 — 31 % des parties) ; b4 (Expansion aile dame — 9 % des parties) ; Qc2 (6 % des parties) ; Nfd2 (6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wN
wR
wP
wB
wP
wP
wB
wP
wP
wN
wP
Avant-poste C (accessible)
Case forte (2v0)
wP
wP
bP
bP
bN
bP
bP
bP
bP
bB
bP
bP
bK
bR
bQ
bB
bN
bR
hgfedcba
Plans. ...Qe8 (51 % des parties) ; ...Ne4 (Cavalier centralisé en e4 — 17 % des parties) ; ...Na6 (Développer b8 — 12 % des parties) ; ...a4 (11 % des parties) ; ...c6 (Renforcer le centre — 6 % des parties).
Avantages
Faiblesses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● a2→b3, f2→g3, h2→g3, b3→c4 ● e6→f5, c7→d6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● e4 (2v0), ● g4 (2v0)
Cases faibles
Centre ● d4 (3v0), ● e5 (2v1) ● d5 (2v1), ● e4 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bb2 ● Bb2 Ok (mob. 3)
Bg2 ● Bg2 Ok (mob. 2)
Be7 ● Be7 Ok (mob. 0)
Bc8 ● Bc8 Non développé (mob. 1)
Paire de fous ● Oui ● Oui
Non développées 2 (● b1, ● 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
Partie
1953 Candidats Tournament – Round 28 – Averbakh, Yuri L – 1/2-1/2 – Boleslavsky, Isaac – G182
1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. b3 a5 8. Bb2 Qe8 9. Nbd2 Nc6 10. a3 Bd8
1954 Buenos Aires ch ARG – Round 3 – Benko, Francisco – 0-1 – Pelikan, Jorge – G3
1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. b3 d6 7. d4 a5 8. Bb2 Qe8 9. Nbd2 Nc6 10. Qc2 Qh5
1955 Argentina – Round 17 – Behrensen, Jorge – 1-0 – Laurencena Lopez, Gustavo Adrian – G119
1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. d4 d6 7. b3 a5 8. Bb2 Qe8 9. Nbd2 Na6 10. Ne1 Qg6
1955 CSR Ch – Round 9 – Rejfir, Josef – 1-0 – Jezek, Jaroslav – G66
1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. b3 d6 7. d4 a5 8. Bb2 Na6 9. Nc3 c6 10. Qd3 Nb4

A96g — Classical (1953)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.b3 a5 8.Bb2
Les coups candidats
8…Qe8 — 50.7% (109 parties)
Ambassadeurs : Pytel, Krzysztof (3x), Chuchelov, Vladimir (2x), Krings, Christoph (2x), Benko, Francisco (1x), Pelikan, Jorge (1x), Averbakh, Yuri L (1x), Boleslavsky, Isaac (1x), Vano, Edward (1x)
8…Ne4 — 17.2% (37 parties)
Ambassadeurs : Bradbury, Neil H (1x), Wiley, Tom E (1x), Merriman, John (1x), Radford, Michael (1x), Jovanovic, Sasa Mi (1x), Beranger, Paul (1x), Stoppel, Franz (1x), Dueckstein, Andreas (1x)
8…Na6 — 11.6% (25 parties)
Ambassadeurs : Bellin, Robert (2x), Malcher, Werner (1x), Kiffmeyer, Constanz (1x), Rejfir, Josef (1x), Jezek, Jaroslav (1x), Doda, Zbigniew (1x), Hort, Vlastimil (1x), Rosenberger, Berthold (1x)
8…a4 — 11.2% (24 parties)
Ambassadeurs : Vlachos, Anatole (3x), Nemec, Zdenek (2x), Pitkaaho, Arto (2x), Schmidt, Wolfgang (1x), Bodisko, Alexandre (1x), Szeberenyi, Adam (1x), Varga, Zoltan (1x), Coenen, Eduard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Qe8 8…Ne4 8…Na6 8…a4
<1800 5 20% 20% 40%
1800-2200 98 49% 23% 12% 8%
2200-2600 87 51% 15% 11% 14%
Évolution par décennie (% des parties)
Décennie N parties 8…Qe8 8…Ne4 8…Na6 8…a4
1950s 5 80% 20%
1960s 4 50% 50%
1970s 10 60% 20%
1980s 15 60% 13% 27%
1990s 48 65% 4% 15% 2%
2000s 36 56% 6% 17% 8%
2010s 63 44% 38% 5% 8%
2020s 34 26% 21% 44%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Qe8 44% 26% ▼ -18.0%
8…Ne4 38% 21% ▼ -17.5%
8…Na6 5% 0% ▼ -4.8%
8…a4 8% 44% ▲ +36.2%
Parties historiques
8…Qe8 — 50.7% (109 parties)
1950 — Kottnauer, Cenek vs Simagin, Vladimir — 1-0 — Schiavno Zdroj
1953 — Averbakh, Yuri L vs Boleslavsky, Isaac — 1/2-1/2 — Zurich SUI
1954 — Benko, Francisco vs Pelikan, Jorge — 0-1 — Buenos Aires ch ARG
1955 — Behrensen, Jorge vs Laurencena, Jorge Horacio — 1-0 — Argentina
1968 — Reicher, Emanoil-George vs Stanciu, Traian — 1/2-1/2 — Bucharest ROU
8…Ne4 — 17.2% (37 parties)
1984 — Merriman, John vs Radford, Michael — 1/2-1/2 — Thessaloniki olm
1985 — Bradbury, Neil H vs Wiley, Tom E — 0-1 — Edinburgh ch-BCF
1995 — Stoppel, Franz vs Dueckstein, Andreas — 1/2-1/2 — Austria Tch 9495
1996 — Jovanovic, Sasa Mi vs Beranger, Paul — 1-0 — Vrnjacka Banja SRB
2001 — Tratar, Marko vs Pazlar, Marko — 1-0 — Ljubljana SLO
8…Na6 — 11.6% (25 parties)
1955 — Rejfir, Josef vs Jezek, Jaroslav — 1-0 — Prague CZE
1960 — Doda, Zbigniew vs Hort, Vlastimil — 1-0 — Halle EU chT
1969 — Malcher, Werner vs Kiffmeyer, Constanz — 1/2-1/2 — Hamburg GER
1974 — Pihlajamaeki, Pirkko I vs Ambrosewicz, Jolanta — 1/2-1/2 — ?
1978 — Eperjesi, Laszlo Dr. vs Szurovszky, Elek — 1/2-1/2 — Salgotarjan
8…a4 — 11.2% (24 parties)
1993 — Schmidt, Wolfgang vs Bodisko, Alexandre — 0-1 — Bad Wildbad GER
2001 — Szeberenyi, Adam vs Varga, Zoltan — 0-1 — Zalakaros
2008 — Coenen, Eduard vs Moser, Emily — 1/2-1/2 — Maastricht NED
2009 — Banet, Jean vs Spitz, Patrick — 0-1 — ICCF
2013 — Fayard, Alain vs Lyell, Mark — 0-1 — Budapest HUN