D97c — Gruenfeld: Russian, Szabo Variation

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 c6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte d4, case forte c5, case forte e5, case forte g5, paire de fous, colonne c.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), case forte g4, paire de fous, colonne d.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D97c — Russian Szabo Variation

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 c6

Eval: [+0.57]

Les coups candidats

8.Be2 — 61.6% (651 parties) →

Ambassadeurs : Luckis, Marcos (8x), Tryggestad, Andreas Garberg (7x), Klein, Manfred (5x), Flohr, Salo (4x), Forintos, Gyozo V (4x), Hort, Vlastimil (4x), Farago, Ivan (4x), Mikhalevski, Victor (4x)

8.Qb3 — 24.1% (255 parties)

Ambassadeurs : Stahlberg, Gideon (4x), Flohr, Salo (4x), Gyimesi, Zoltan (4x), Bronstein, David I (3x), Boleslavsky, Isaac (3x), Dunn, Michael G (3x), Lilienthal, Andor (2x), Sosonko, Gennadi (2x)

8.h3 — 3.9% (41 parties)

Ambassadeurs : Wertheim, Johan Hendrik (1x), Fontein, George (1x), Junge, Kai (1x), Heinicke, Gisbert (1x), Szily, Jozsef (1x), Smyslov, Vladimir (1x), Nielsen, Julius (1x), Poulsen, Christian (1x)

8.e5 — 3.4% (36 parties)

Ambassadeurs : Wade, Robert G (1x), Persitz, Raaphi (1x), Victor, Gary (1x), Omuku, Emmanuel (1x), Schreiber Pitot, Beryl (1x), Steinhorst, Ruediger (1x), Tuncer, Ufuk (1x), Voigt, Ulrich (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Be2	8.Qb3	8.h3	8.e5
<1800	29	69%	10%	3%	7%
1800-2200	412	62%	21%	4%	4%
2200-2600	286	62%	26%	3%	4%
2600+	14	50%	36%	7%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Be2	8.Qb3	8.h3	8.e5
1930s	13	69%	15%	15%	—
1940s	51	75%	20%	4%	—
1950s	28	64%	32%	4%	—
1960s	62	77%	16%	3%	2%
1970s	27	48%	52%	—	—
1980s	32	44%	38%	3%	3%
1990s	168	43%	44%	3%	5%
2000s	254	55%	28%	3%	4%
2010s	354	69%	13%	4%	4%
2020s	68	81%	10%	7%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Be2	69%	81%	▲ +12.0%
8.Qb3	13%	10%	▼ -3.0%
8.h3	4%	7%	▲ +3.1%
8.e5	4%	1%	▼ -2.8%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 2 parties

Parties historiques

8.Be2 — 61.6% (651 parties)

1936 — Van den Bosch, Johannes vs Prins, Lodewijk — 1/2-1/2 — Zandvoort II
1937 — Fine, Reuben vs Jonsson, Erik — 1-0 — Goteborg SWE
1937 — Landau, Salo vs Rellstab, Ludwig — 1-0 — Kemeri LAT
1939 — Luckis, Marcos vs Calleja Sierra, Jesus — 1-0 — Buenos Aires ol pr-C
1939 — Feigin, M. vs Szabo, Ladislav — 1-0 — Kemeri / Riga

8.Qb3 — 24.1% (255 parties)

1937 — Lie Niels vs Christensen, Alfred — 0-1 — Aalborg DEN
1938 — Landau, Salo vs List, Paul — 1-0 — Hastings ENG
1944 — Guimard, Carlos E vs Iliesco, Juan — 1/2-1/2 — Mar del Plata ARG
1944 — Fine, Reuben vs Isaacs, Lewis Jl — 1-0 — New York, NY USA
1947 — Bronstein, David I vs Lilienthal, Andor — 1/2-1/2 — Parnu EST

8.h3 — 3.9% (41 parties)

1930 — Wertheim, Johan Hendrik vs Fontein, George — 1/2-1/2 — Amsterdam NED
1939 — Nielsen, Julius vs Poulsen, Christian — 0-1 — Naestved DEN
1941 — Junge, Kai vs Heinicke, Gisbert — 1-0 — Hamburg GER
1949 — Szily, Jozsef vs Smyslov, Vladimir — 1/2-1/2 — Budapest HUN
1950 — Berczy, Robert vs Koberl, Ferenc — 0-1 — Budapest HUN

8.e5 — 3.4% (36 parties)

1962 — Wade, Robert G vs Persitz, Raaphi — 1/2-1/2 — Dublin IRL
1988 — Victor, Gary vs Omuku, Emmanuel — 1-0 — Thessaloniki GRE
1992 — Legky, Nikolay A vs Gluckman, David — 1/2-1/2 — Cannes FRA
1993 — Boeller Georg vs Frantzke, Helmut — 1-0 — Schwaebisch Gmuend
1996 — Tuncer, Ufuk vs Voigt, Ulrich — 0-1 — Schoeneck

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● c5 (2v0), ● e5 (2v0), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	4 (c1, 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	semi-ouvert
Ruptures	● d4-d5, ● e4-e5	● …c6-c5, ● …e7-e6, ● …e7-e5

Partie
1939 Naestved – Round 4 – Nielsen, Julius – 0-1 – Poulsen, Christian – G7 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 c6 7. e4 O-O 8. h3 Nbd7 9. Be2 Nb6 10. Qb3 Qc7
1944 USA Ch – Round 14 – Fine, Reuben – 1-0 – Isaacs, Lewis Jl – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b6 9. Bc4 b5 10. Be2 e6
1947 Parnu – Round 1 – Bronstein, David I – 1/2-1/2 – Lilienthal, Andor – G29 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 a5 9. a4 Na6 10. Bc4 Ne8
1948 Izt – Round ? – Schtalberg G – 1/2-1/2 – Bronstein, David I – G4 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b5 9. Be2 Qa5 10. O-O b4
1948 Saltsjobaden Interzonal – Round 11 – Stahlberg, Gideon – 1/2-1/2 – Bronstein, David I – G101 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b5 9. Be2 Qa5 10. O-O b4
1948 Saltsjobaden Interzonal – Round 15 – Stahlberg, Gideon – 1/2-1/2 – Lilienthal, Andor – G136 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b5 9. Be2 Qa5 10. O-O b4
1949 Budapest-Moscow – Round 4 – Szily, Jozsef – 1/2-1/2 – Smyslov, Vladimir – G25 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. h3 b5 9. Qb3 Qa5 10. Bd3 Be6
1949 Mar del Plata – Round 3 – Rossetto, Hector – 1-0 – Flores Alvarez, Rodrigo – G41 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 Qb6 9. Qc2 Nbd7 10. h3 Qc7
1949 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Boleslavsky, Isaac – G77 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b5 9. e5 Ne8 10. Be2 Nc7
1949 Trencianske Teplice – Round 19 – Ojanen, Kaarle S – 1/2-1/2 – Bolbochan, J. – G121 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b5 9. Be2 Qa5 10. e5 Be6
1949 Trencianske Teplice – Round 9 – Platt, Jerome – 0-1 – Szabo, Ladislav – G51 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 Nbd7 9. e5 Nd5 10. Nxd5 cxd5
1950 Candidats Tournament – Round 1 – Flohr, Salo – 0-1 – Boleslavsky, Isaac – G4 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 c6 7. e4 O-O 8. Qb3 b5 9. e5 Ne8 10. a4 bxa4
1950 HUN Ch 05th – Round 4 – Berczy, Robert – 0-1 – Koberl, Ferenc – G6 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. h3 b5 9. Qd3 b4 10. Ne2 c5
1956 CSR Ch sf – Round 15 – Kozma, Julius – 1-0 – Skacel, Jan – G24 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b5 9. Be2 Be6 10. Qc2 Qa5
1957 Bratislava – Round 8 – Opocensky, Karel – 0-1 – Filip, Miroslav – G17 1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 e5 9. dxe5 Ng4 10. Bf4 Qe7
1958 New York ch-USA – Round 4 – Evans Lianda – 1-0 – Byrne, Ray – G17 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 e5 9. dxe5 Ng4 10. Bf4 Nd7
1961 Baku ch-URS – Round 12 – Khasin, Abram – 1-0 – Gurgenidze, Bukhuti – G111 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 a5 9. Be2 a4 10. Qc2 b5
1962 Appleby-Frodingham – Round 4 – Wood, Baruch – 0-1 – Beaty, JH. – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 Nbd7 9. e5 Ne8 10. e6 fxe6
1966 Den Haag zt – Round 7 – Diez del Corral, Jesus – 1-0 – Roth, Ralf – G39 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b6 9. h3 Bb7 10. Be3 c5
1966 Hungary – Round 1 – Sapi, Laszlo – 1/2-1/2 – Portisch, Ferenc – G19 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. Qb3 dxc4 6. Qxc4 Bg7 7. e4 O-O 8. Qb3 a5 9. e5 Nd5 10. Be2 Na6
1966 Kecskemet Laszlo Toth Memorial – Round 2 – Pietzsch, Wolfgang – 1/2-1/2 – Hort, Vlastimil – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Be3 Ng4 9. O-O-O b5 10. Qe2 Nxe3
1966 La Habana olm prel – Round 6 – Littlewood, Norman – 1/2-1/2 – Zinser, Sylvain – G226 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. h3 b5 9. Qb3 Qa5 10. Bd2 b4
1966 Zinnowitz Zinnowitz GER – Round 3 – Pietzsch, Wolfgang – 1/2-1/2 – Haag, Ervin – G9 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 b5 9. Qc2 Na6 10. Be2 Bb7
1967 Rubinstein Memorial – Round 11 – Uhlmann, Wolfgang – 1-0 – Witkowski, Stanislaw – G42 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 c6 7. e4 O-O 8. Qb3 Nbd7 9. Be2 Qb6 10. Qc2 e5
Corus A 2008 – Round 4 – Radjabov, Teimour – 1/2-1/2 – Mamedyarov, Shakhriyar – G24 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 e5 9. dxe5 Ng4 10. Be2 Nxe5
Interpolis 1986 – Round 12 – Beliavsky, Alexander G – 1-0 – Korchnoi, Viktor – G39 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Qb3 Qb6 9. Bc4 Na6 10. O-O Qxb3

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