Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→e5, b7→c6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bg5	● Bg5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (● f1, ● a1, ● h1)	4 (● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Au centre
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	tension
Ruptures	● c4-c5, ● d4-d5	● …c6-c5, ● …d6-d5

A54m — Old Indian: 5.Bg5 c6

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.Bg5 c6 * ○ Trait aux Blancs

Ouverture — Tension centrale

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. e3 (Libérer Bf1, préparer Bd3 — 88 % des parties) ; Qc2 (Prépare O-O-O — 9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Be7 (Développer f8 — 46 % des parties) ; ...Qa5 (Contrôle diagonale a5-e1, Prépare O-O-O — 42 % des parties) ; ...Qc7 (Prépare O-O-O — 9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1950 Moskou ch-URS – Round 1 – Keres, Paul – 1/2-1/2 – Tolush, Alexander – G29 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. Bg5 c6 6. Qc2 Qa5 7. Bh4 Be7 8. e3 O-O 9. Bd3 exd4 10. Nxd4 Ne5
1952 Moscow Ch – Round 9 – Kogan, Sergey M – 0-1 – Kotov Lundqvist, Alex – G49 1. c4 Nf6 2. d4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. Bg5 c6 6. Qc2 Qa5 7. Bd2 Qc7 8. e3 g6 9. Be2 Bg7 10. O-O O-O
1952 USSR – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Boleslavsky, Isaac – G4 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Bh4 Ne4 8. Qc2 Ndf6 9. Bd3 Nxc3 10. bxc3 Be7
1954 Bucharest – Round 2 – Balanel, Ion – 0-1 – Nezhmetdinov, Rashid – G30 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 c6 6. e3 h6 7. Bxf6 Qxf6 8. Bd3 g6 9. O-O Bg7 10. d5 c5
1954 Gorki ch22-SU sf – Round 15 – Simagin, Vladimir – 0-1 – Novopashin, Arkady – G39 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. Bg5 c6 6. Qc2 Qa5 7. Bd2 Qc7 8. e3 g6 9. Be2 Bg7 10. O-O O-O
1954 URS Team Ch – Round 11 – Goldin, Vladimir M. – 1/2-1/2 – Polugaevsky, Lev – G194 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qc7 7. Be2 Be7 8. O-O O-O 9. Qc2 Re8 10. Rad1 Nf8
1957 Minsk zt – Round 2 – Barsauskas, Vitautas – 1/2-1/2 – Zilber, Israel – G10 1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Qd2 Be7 8. Bd3 Bd8 9. a3 O-O 10. b4 Qc7
1960 Buenos Aires – Round 4 – Goldenberg, Edgardo – 1-0 – Bazan, Osvaldo – G47 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Be2 O-O 9. O-O Re8 10. Qc2 Qc7
1960 Mar del Plata – Round 4 – Bielicki, Carlos – 1/2-1/2 – Bronstein, David I – G42 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Qd2 Be7 8. Be2 Bd8 9. dxe5 dxe5 10. Bh4 e4
1961 Torremolinos – Round 9 – Saborido Carre, Rafael – 0-1 – Gligorić, Svetozar – G36 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 c6 6. e3 Qa5 7. Qd2 Be7 8. Be2 Bd8 9. dxe5 dxe5 10. Bh4 O-O
1962 Varna olm – Round 1 – Milev, Zdravko – 1/2-1/2 – Milic Dobos, Simun – G18 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 c6 6. e3 Qa5 7. Qc2 Be7 8. Bd3 a6 9. O-O h6 10. Bh4 O-O
1964 URS Spartakiad – Round ? – Polugaevsky, Lev – 1/2-1/2 – Boleslavsky, Isaac – G5 1. c4 e5 2. Nc3 d6 3. Nf3 Nf6 4. d4 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Qd2 Be7 8. Bd3 O-O 9. O-O Qc7 10. b4 Re8

A54m — Old Indian (1950)

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.Bg5 c6

Les coups candidats

6.e3 — 82.6% (281 parties)

Ambassadeurs : Vukic, Milan (4x), Polugaevsky, Lev (3x), Bronstein, David I (3x), Anic, Darko (3x), Keres, Paul Petrovich (2x), Boleslavsky, Isaac (2x), Bosch van Rosenthal, Edzard (2x), Bielicki, Carlos (2x)

6.Qc2 — 9.4% (32 parties)

Ambassadeurs : Burnett, Ronald (2x), Kogan, Sergey M (1x), Kotov, Alexander (1x), Keres, Paul (1x), Alexander Tadala (1x), Del Solar, W. (1x), Alonzo Castillo Jimenez (1x), Simagin, Vladimir (1x)

6.e4 — 4.1% (14 parties)

Ambassadeurs : Gheng, Josef (1x), Buehler, Robert (1x), Di Donna, Massimo (1x), Mariotti, Sergio (1x), Bombek, Peter (1x), Rahl, Vojtech (1x), Dominguez Martinez Miguel Angel (1x), Strizak, Natasa (1x)

6.dxe5 — 1.8% (6 parties)

Ambassadeurs : Haemmerle, Albert (1x), Laske, Erich (1x), Waltmans, F. (1x), Van Berkel, Rob (1x), Waltmans, Frans (1x), Berkel, R (1x), Sansone, W. (1x), Brewer, Matt (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.e3	6.Qc2	6.e4	6.dxe5
<1800	9	33%	11%	22%	11%
1800-2200	108	81%	6%	7%	2%
2200-2600	175	86%	11%	2%	—
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.e3	6.Qc2	6.e4	6.dxe5
1950s	13	69%	31%	—	—
1960s	8	100%	—	—	—
1970s	11	91%	9%	—	—
1980s	37	89%	5%	—	—
1990s	101	83%	8%	4%	4%
2000s	79	80%	9%	8%	1%
2010s	77	83%	12%	3%	1%
2020s	14	71%	7%	14%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.e3	83%	71%	▼ -11.7%
6.Qc2	12%	7%	▼ -4.5%
6.e4	3%	14%	▲ +11.7%
6.dxe5	1%	0%	▼ -1.3%

Parties historiques

6.e3 — 82.6% (281 parties)

1952 — Keres, Paul Petrovich vs Boleslavsky, Isaac — 1/2-1/2 — Game (training)
1953 — Krause, Kurt vs Bobekov, Radko — 0-1 — Sofia BUL
1954 — Balanel, Ion vs Nezhmetdinov, Rashid — 0-1 — Bucharest ROU
1954 — Goldin, Vladimir M. vs Polugaevsky, Lev — 1/2-1/2 — Riga LAT
1956 — Goldberg, Grigory A vs Efimov, Kondrat — 0-1 — Leningrad RUS

6.Qc2 — 9.4% (32 parties)

1950 — Keres, Paul vs Alexander Tadala — 1/2-1/2 — Moskou ch-URS
1951 — Del Solar, W. vs Alonzo Castillo Jimenez — 1-0 — Santiago de Chile
1952 — Kogan, Sergey M vs Kotov, Alexander — 0-1 — Moscow RUS
1954 — Simagin, Vladimir vs Novopashin, Arkady — 0-1 — Gorki ch22-SU sf
1974 — Ornstein, Axel vs Kavalek, Lubomir — 1/2-1/2 — Nice olm fin-A

6.e4 — 4.1% (14 parties)

1990 — Dominguez Martinez Miguel Angel vs Strizak, Natasa — 0-1 — Novi Sad SRB
1993 — Di Donna, Massimo vs Mariotti, Sergio — 0-1 — Italy ch
1995 — Gheng, Josef vs Buehler, Robert — 1-0 — Boeblingen
1996 — Bombek, Peter vs Rahl, Vojtech — 0-1 — Slovakia
2001 — Guzkowska-Nurkiewicz, Magdalena vs Jalowiec, Halina — 1/2-1/2 — Ustron

6.dxe5 — 1.8% (6 parties)

1992 — Sansone, W. vs Brewer, Matt — 1/2-1/2 — Detroit PanAm op
1993 — Waltmans, F. vs Van Berkel, Rob — 0-1 — corr Netherlands
1993 — Waltmans, Frans vs Berkel, R — 0-1 — cr NED cup
1996 — Haemmerle, Albert vs Laske, Erich — 1/2-1/2 — Vorarlberg
2004 — Benavides Arias, Luis Alberto vs Ward, James — 1-0 — Dos Hermanas ESP