A36r — English: Symmetrical, Botvinnik, 5…e6, 8.d3 d6

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 e6 6.Nge2 Nge7 7.O-O O-O 8.d3 d6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes f4 et b5 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Be3 (Développer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes b4, d4 et e5, des avant-postes en d4 et e5, un fou actif en g7 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)) ; ...d5 (Rupture) ; ...e5 (Rupture) ; ...f6 (Rupture) ; ...f5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3, d3→c4, d3→e4	● d6→c5, f7→e6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (3v0), ● b5 (2v0)	● b4 (2v0), ● d4 (3v1), ● e5 (3v0)
Cases faibles	—	—
Centre	● d5 (3v2), ● e4 (3v0)	● d4 (3v1), ● e5 (3v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 3)
Bg7		● Bg7 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d3-d4, ● e4-e5, ● f2-f3	● …d6-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1951 Staunton Memorial – Round 6 – Broadbent, Reginald – 1/2-1/2 – Matanovic, Aleksandar – G46 1. e4 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nc3 d6 7. Nge2 Nge7 8. O-O O-O 9. a3 Rb8 10. Rb1 Nd4
1955 URS Ch sf – Round 1 – Gusev, Aleksandr – 0-1 – Geller, Efim P – G33 1. e4 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 e6 6. Nge2 Nge7 7. d3 d6 8. O-O O-O 9. Bg5 Qd7 10. h4 b6
1955 USSR – Round ? – Goldberg, Grigory A – 0-1 – Kotz, Heinz Peter – G16 1. c4 e6 2. Nc3 c5 3. e4 Nc6 4. g3 g6 5. Bg2 Bg7 6. Nge2 Nge7 7. O-O O-O 8. d3 d6 9. Be3 Nd4 10. Qd2 Qa5
1957 URS Ch, semi final – Round 1 – Lomaya, Teimuraz – 1/2-1/2 – Bagirov, Vladimir – G4 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 e6 7. d3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8
1957 WchT U26 04th – Round 6.3 – Botez, Constantin – 1/2-1/2 – Forintos, Gyozo V – G77 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 e6 6. Nge2 Nge7 7. d3 O-O 8. O-O d6 9. Be3 Nd4 10. Qd2 Nec6
1959 Wch U20 prel-C – Round 7 – Hoen, Ragnar Harald – 1/2-1/2 – Stefanov, Josif Jovchev – G16 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. Nge2 Nge7 7. O-O d6 8. d3 O-O 9. Be3 Nd4 10. f4 Nec6
1960 Leipzig olm fin-A – Round 4 – Eliskases, Erich – 1/2-1/2 – Neikirkh, Oleg – G57 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. e4 Nge7 7. Nge2 d6 8. O-O O-O 9. Rb1 Qd7 10. Be3 Nd4
1960 Leningrad tt – Round 10 – Perman, Torvald – 0-1 – Savon, Vladimir – G131 1. e4 c5 2. c4 g6 3. Nc3 Nc6 4. Nge2 Bg7 5. d3 d6 6. g3 e6 7. Bg2 Nge7 8. O-O O-O 9. Rb1 Nd4 10. Nxd4 cxd4
1964 Budapest ch-HUN – Round 1 – Kapu, Jeno – 0-1 – Sapi, Laszlo – G4 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 e6 6. e4 Nge7 7. Nge2 O-O 8. O-O d6 9. Be3 Nd4 10. Qd2 Re8
1964 Moscow Ch – Round ? – Gusev, Yuri S – 1-0 – Bakulin, Nikolac I – G48 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. d3 e6 7. Nge2 Nge7 8. O-O O-O 9. Bg5 h6 10. Be3 Nd4
1966 La Habana olm fin-B – Round 1 – Wotulo, Max – 0-1 – Hartston, William R – G1 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. d3 e6 6. e4 Nge7 7. Nge2 d6 8. O-O O-O 9. f4 a6 10. g4 f5
1967 Havering Women's International – Round 5 – Vreeken, Corry – 1-0 – Rinder, Elfriede – G10 1. e4 c5 2. d3 e6 3. g3 g6 4. Bg2 Bg7 5. Ne2 Ne7 6. c4 Nbc6 7. Nbc3 d6 8. O-O O-O 9. Rb1 Rb8 10. a3 a6
1967 POL Team Ch 20th – Round 11 – Zoltek, Tadeusz – 1/2-1/2 – Kostro, Jerzy – G74 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. e4 Nge7 7. Nge2 O-O 8. O-O d6 9. Be3 a6 10. Qd2 Rb8
1967 Skopje – Round 13 – Panov, Vladimir – 0-1 – Soos, Bela – G99 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. d3 e6 6. e4 Nge7 7. Nge2 d6 8. O-O O-O 9. h3 h6 10. f4 f5
1968 Kecskemet – Round 1 – Barczay, Laszlo – 1/2-1/2 – Forintos, Gyozo V – G31 1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. d3 e6 6. e4 Nge7 7. Nge2 d6 8. O-O O-O 9. Kh1 Rb8 10. f4 f5
1968 Kislovodsk – Round 11 – Ignatiev, Felix N – 0-1 – Shamkovich, Leonid – G79 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. e4 Nge7 7. Nge2 d6 8. O-O O-O 9. Be3 Nd4 10. Qd2 Bd7
SportAccord Blitz 2014 – Round 14.8 – Dominguez Perez, Leinier – 1/2-1/2 – Vachier-Lagrave, Maxime – G111 1. e4 c5 2. c4 Nc6 3. Nc3 d6 4. g3 g6 5. Bg2 Bg7 6. Nge2 e6 7. O-O Nge7 8. d3 O-O 9. Rb1 b6 10. Be3 Bb7
SportAccord Blitz 2014 – Round 3.8 – Dominguez Perez, Leinier – 0-1 – Gelfand, Boris – G24 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. Nge2 Nge7 7. d3 d6 8. O-O O-O 9. Rb1 Rb8 10. Be3 Nd4
World Blitz 2015 – Round 18.9 – Dominguez Perez, Leinier – 1/2-1/2 – Iturrizaga Bonelli, Eduardo – G1159 1. e4 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 e6 6. Nge2 Nge7 7. d3 d6 8. O-O O-O 9. Rb1 b6 10. Be3 Nd4
World Blitz 2015 – Round 4.9 – Dominguez Perez, Leinier – 1/2-1/2 – Vallejo Pons, Francisco – G277 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. Nge2 Nge7 7. O-O d6 8. d3 O-O 9. Rb1 b6 10. Be3 Nd4
World Blitz 2017 – Round 16.39 – Rakhmanov, Aleksandr – 1-0 – Volokitin, Andrei – G845 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. d3 e6 6. e4 Nge7 7. Nge2 O-O 8. O-O d6 9. h3 a6 10. Kh2 Rb8
World Rapid 2019 – Round 2.40 – Artemiev, Vladislav – 1-0 – Aditya Tari – G111 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. e4 e6 6. Nge2 Nge7 7. O-O O-O 8. d3 d6 9. Rb1 a5 10. Be3 Nd4
World Rapid 2019 – Round 6.44 – Sadhwani, Raunak – 1/2-1/2 – Sasikiran, Krishnan – G399 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. e4 e6 7. Nge2 Nge7 8. O-O O-O 9. Be3 Nd4 10. Rb1 Nec6

A36r — Symmetrical Botvinnik

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 e6 6.Nge2 Nge7 7.O-O O-O 8.d3 d6

Eval: [-0.08]

Les coups candidats

9.Be3 — 42.1% (915 parties)

Ambassadeurs : Miezis, Normunds (8x), Stanetzek, Carsten (7x), Volosin, Vladimir (5x), Grant, Jonathan I M (5x), Bonoldi, Fabio (5x), Logdahl, Harald (5x), Malinowski, Damian (4x), Peelen, Piet (3x)

9.Rb1 — 32.4% (703 parties)

Ambassadeurs : Weyerstrass, Ronald (10x), Patola, Eero (10x), Genba, Vladimir (10x), Sunder, Thomas (7x), Ivacic, Vladimir (6x), Werner, Bernd-Michael (6x), Puentes, Alvaro (6x), Dominguez Perez, Leinier (6x)

9.a3 — 10.7% (233 parties)

Ambassadeurs : Popchev, Milko (11x), Gheng, Simona (6x), Bartels, Hans (2x), Van Weersel, Arlette (2x), Bibiloni, Jorge (2x), Kusnetsov, Igor (2x), Kayukov, Kirill (2x), De Kruif, Kees (2x)

9.f4 — 6.9% (149 parties)

Ambassadeurs : Abella Cruz, Francisco Luis (4x), Mejzlik, Ondrej (3x), Seils, Gudula (2x), Goetz, Dieter (2x), Paehtz, Elisabeth (2x), Dragasevic, Antonina (2x), Birkett, Richard (2x), Kruimer, H J (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Be3	9.Rb1	9.a3	9.f4
<1800	69	52%	17%	12%	4%
1800-2200	1014	46%	27%	8%	9%
2200-2600	788	38%	39%	14%	3%
2600+	13	23%	69%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Be3	9.Rb1	9.a3	9.f4
1950s	8	62%	12%	12%	—
1960s	20	30%	35%	10%	10%
1970s	44	27%	48%	14%	5%
1980s	86	27%	42%	20%	5%
1990s	362	37%	39%	10%	7%
2000s	646	44%	30%	10%	9%
2010s	772	46%	27%	11%	6%
2020s	233	41%	39%	9%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Be3	46%	41%	▼ -4.8%
9.Rb1	27%	39%	▲ +12.4%
9.a3	11%	9%	▼ -1.6%
9.f4	6%	5%	▼ -1.2%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie

Parties historiques

9.Be3 — 42.1% (915 parties)

1955 — Goldberg, Grigory A vs Kotz, Heinz Peter — 0-1 — Moscow RUS
1955 — Goldberg, Grigory A vs Polugaevsky, Lev — 1/2-1/2 — Moscow RUS
1957 — Lomaya, Teimuraz vs Bagirov, Vladimir — 1/2-1/2 — Tbilisi GEO
1957 — Botez, Constantin vs Forintos, Gyozo V — 1/2-1/2 — Reykjavik ISL
1959 — Hoen, Ragnar Harald vs Stefanov, Josif Jovchev — 1/2-1/2 — Muenchenstein/Basel

9.Rb1 — 32.4% (703 parties)

1958 — Mikenas, Vladas vs Furman, Semyon — 0-1 — Moscow RUS
1960 — Eliskases, Erich vs Neikirkh, Oleg — 1/2-1/2 — Leipzig GER
1960 — ? vs Gufeld, Eduard — 1/2-1/2 — ?
1960 — Perman, Torvald vs Savon, Vladimir — 0-1 — Leningrad RUS
1967 — Karamanova K vs Blagojevic, Katarina — 1/2-1/2 — Sofia BUL

9.a3 — 10.7% (233 parties)

1951 — Broadbent, Reginald vs Matanovic, Aleksandar — 1/2-1/2 — Birmingham ENG
1967 — Shikova, Vesmina vs Georgieva, Antonina — 1/2-1/2 — Sofia BUL
1968 — Mikova, Eva V. vs Shmidtke — 0-1 — Riga LAT
1972 — Reshko, Aron vs Chernikov, Oleg L — 1-0 — Leningrad RUS
1972 — Rossetto, Hector vs Huebner, Robert — 0-1 — Skopje MKD

9.f4 — 6.9% (149 parties)

1964 — Ginsberg, Moshe David vs Kaufman, Lawrence — 0-1 — Los Angeles, CA USA
1966 — Wotulo, Max vs Hartston, William R — 0-1 — Havana CUB
1976 — Camin Gesine vs Nuenchert, Eveline — 1/2-1/2 — Groeditz
1979 — Dragasevic, Antonina vs Nedeljkovic, Verica — 1-0 — Donji Milanovac
1981 — Seils, Gudula vs Seidemann, Ulricke — 1/2-1/2 — Fuerstenwalde GER

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