A93e — Dutch: Stonewall, Botvinnik, 8.Bb2

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Bb2 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte e5, avant-poste e5(C), paire de fous.
Faiblesses adverses : arriéré e6, Bc8 enfermé.
Problèmes : Bg2 enfermé.
Plans :
● Nc3 — Développer Nb1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, case forte g4, avant-poste g4(C), Be7 actif, paire de fous.
Faiblesses adverses : Bg2 enfermé.
Problèmes : Bc8 enfermé, arriéré e6, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4)
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A93e — Stonewall Botvinnik

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Bb2

Eval: [+0.29]

Les coups candidats

8…Qe8 — 28.2% (85 parties)

Ambassadeurs : McKone, Peter (2x), Saborido Carre, Rafael (2x), Kogan, Mikhail Saulovich (1x), Chistiakov, Alexander (1x), Gruenfeld, Ernst (1x), John, Walter (1x), Rejfir, Josef (1x), Libal, Frantisek (1x)

8…Ne4 — 25.6% (77 parties)

Ambassadeurs : White, Scott (1x), Truscott, Anthony J (1x), Najdorf, Miguel (1x), Guimard, Carlos E (1x), Soto Larrea, Manuel (1x), Ortega, Rogelio (1x), Kchouk, Bechir (1x), El Kadiri, Mouhcine (1x)

8…Bd7 — 19.3% (58 parties)

Ambassadeurs : Bohm, Hans (3x), Guimard, Carlos E (2x), Rossetto, Hector (1x), Milev, Zdravko (1x), Jankovec, Ivan (1x), Opocensky, Karel (1x), Sandor, Bela (1x), Henneberke, Frans (1x)

8…Nbd7 — 14.0% (42 parties)

Ambassadeurs : Aarland, Stein Arild (1x), Carlier, Bruno (1x), Kovacevic, Vlatko (1x), Grigic, Z. (1x), Szmacinska, Grazyna (1x), Kaczorowska, Barbara (1x), Hall, Raimo (1x), Ekblom, Per Erik (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Qe8	8…Ne4	8…Bd7	8…Nbd7
<1800	7	29%	14%	43%	14%
1800-2200	120	28%	35%	13%	15%
2200-2600	78	24%	17%	28%	9%

Évolution par décennie (% des parties)

Décennie	N parties	8…Qe8	8…Ne4	8…Bd7	8…Nbd7
1920s	1	100%	—	—	—
1930s	1	100%	—	—	—
1940s	1	—	100%	—	—
1950s	11	82%	18%	—	—
1960s	12	33%	17%	42%	—
1970s	15	60%	20%	7%	7%
1980s	26	27%	12%	27%	19%
1990s	73	16%	19%	26%	19%
2000s	93	25%	34%	19%	13%
2010s	62	29%	27%	11%	15%
2020s	6	17%	50%	17%	17%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Qe8	29%	17%	▼ -12.4%
8…Ne4	27%	50%	▲ +22.6%
8…Bd7	11%	17%	▲ +5.4%
8…Nbd7	15%	17%	▲ +2.2%

Parties historiques

8…Qe8 — 28.2% (85 parties)

1920 — Gruenfeld, Ernst vs John, Walter — 1-0 — Goteborg SWE
1937 — Kogan, Mikhail Saulovich vs Chistiakov, Alexander — 0-1 — Moscow RUS
1950 — Von Baudissin, Georg vs Schuessler, Michael — 1-0 — Weidenau
1951 — Fuchs, Reinhart vs Budrich, Edmund — 1/2-1/2 — Leipzig GER
1951 — Van Seters, Frits vs Lemaire, Robert — 1-0 — Brussels BEL

8…Ne4 — 25.6% (77 parties)

1946 — White, Scott vs Truscott, Anthony J — 0-1 — Nottingham ENG
1951 — Najdorf, Miguel vs Guimard, Carlos E — 1/2-1/2 — ARG Ch Argenti
1952 — Soto Larrea, Manuel vs Ortega, Rogelio — 0-1 — Havana CUB
1960 — Rojas Franco, Miguel vs Lopez Garcia Riano, Maximo — 1-0 — Lugo
1968 — Kchouk, Bechir vs El Kadiri, Mouhcine — 1/2-1/2 — Lugano SUI

8…Bd7 — 19.3% (58 parties)

1960 — Rossetto, Hector vs Guimard, Carlos E — 1-0 — Buenos Aires ARG
1962 — Milev, Zdravko vs Guimard, Carlos E — 1/2-1/2 — Havana CUB
1963 — Sandor, Bela vs Henneberke, Frans — 1/2-1/2 — Beverwijk NED
1965 — Jankovec, Ivan vs Opocensky, Karel — 1-0 — Pardubice CZE
1969 — Golombek, Harry vs Montgomery, James — 0-1 — Glasgow SCO

8…Nbd7 — 14.0% (42 parties)

1976 — De La Vega, Hector vs Dorin, Mauricio — 1-0 — Argentina
1982 — Kovacevic, Vlatko vs Grigic, Z. — 1-0 — Vinkovci CRO
1985 — Szmacinska, Grazyna vs Kaczorowska, Barbara — 0-1 — Naleczow wmn
1987 — Nutu-Gajic, Daniela vs Markovic, Gordana NN — 1/2-1/2 — Belgrade SRB
1988 — Hall, Raimo vs Ekblom, Per Erik — 1-0 — ?

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● e6
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● c6→d5, e6→d5, e6→f5, b7→c6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v0), ● e5 (2v0)	● e4 (3v0), ● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (2v0)	● d5 (4v1), ● e4 (3v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Ok (mob. 3)
Bg2	● Bg2 Enfermé (mob. 2)
Be7		● Be7 Actif (mob. 4)
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	fermé
Ruptures	● c4-c5	● …c6-c5, ● …e6-e5, ● …f5-f4

Partie
1920 Gothenburg-B – Round 13 – Gruenfeld, Ernst – 1-0 – John, Walter – G76 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Bb2 Qe8 9. Nbd2 Nbd7 10. Ne5 Qh5
1951 GER Ch U20 – Round 2 – Fuchs, Reinhart – 1/2-1/2 – Budrich, Edmund – G4 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Bb2 Qe8 9. Nc3 Nbd7 10. e3 Ne4
1955 Zittau-C 5th – Round 6 – Starck, Bodo – 1/2-1/2 – Handel, Horst – G11 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. b3 c6 8. Bb2 d5 9. Qd3 Na6 10. a3 Qe8
1959 Stevenson Memorial – Round 9 – Hollis, Adrian – 1/2-1/2 – Lloyd, DE. – G37 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 d5 6. O-O O-O 7. b3 c6 8. Bb2 Qe8 9. Nbd2 Ne4 10. Ne5 Nd7
1960 Buenos Aires – Round 8 – Rossetto, Hector – 1-0 – Guimard, Carlos E – G86 1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 d5 8. d4 Bd7 9. Nbd2 Be8 10. Ne5 Nbd7
1962 Capablanca Memorial – Round 17 – Milev, Zdravko – 1/2-1/2 – Guimard, Carlos E – G166 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O d5 7. b3 c6 8. Bb2 Bd7 9. Nbd2 Be8 10. Ne5 Nbd7
1963 Beverwijk – Round 1 – Sandor, Bela – 1/2-1/2 – Henneberke, Frans – G17 1. Nf3 f5 2. d4 e6 3. g3 Nf6 4. Bg2 d5 5. O-O Be7 6. c4 c6 7. b3 O-O 8. Bb2 Bd7 9. Nbd2 Be8 10. Ne5 Nbd7
1964 ESP Ch 29th – Round 1 – Saborido Carre, Rafael – 1-0 – Alonso Perez, Jose Ramon – G1 1. d4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Bb2 Qe8 9. e3 Nbd7 10. Nc3 b6
1964 Tel Aviv olm prel – Round 6 – Portisch, Lajos – 1-0 – Reilly, Brian – G49 1. c4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 d5 7. b3 c6 8. Bb2 b6 9. Nbd2 Nbd7 10. Ng5 Nb8
1965 HUN-ch21 – Round 1 – Portisch, Lajos – 1/2-1/2 – Farago, Ivan – G15 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O d5 7. b3 c6 8. Bb2 Qe8 9. Ne5 Nbd7 10. Nd3 b5
1965 Pardubice – Round 1 – Jankovec, Ivan – 1-0 – Opocensky, Karel – G4 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 c6 5. O-O Be7 6. c4 d5 7. b3 O-O 8. Bb2 Bd7 9. Nbd2 Be8 10. Ne5 Nbd7
1969 Glasgow Congress Invitation – Round 5 – Golombek, Harry – 0-1 – Montgomery, James – G17 1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Bb2 Bd7 9. Nbd2 Be8 10. Rc1 Nbd7