Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bd2	● Bd2 Actif (mob. 7)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● bishop d2	—
Non développées	5 (● b1, ● g1, ● f1, ● a1, ● h1)	5 (● b8, ● g8, ● c8, ● 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	mobile
Ruptures	● d4-d5	● …c7-c5, ● …d7-d5, ● …e6-e5

A40r — Queen’s Pawn: Keres Defence, 3.Bd2 a5

1.d4 e6 2.c4 Bb4+ 3.Bd2 a5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (Développer g1 — 51 % des parties) ; g3 (Préparer le fianchetto — 16 % des parties) ; Nc3 (Développer b1 — 13 % des parties) ; e4 (Occuper le centre — 9 % des parties) ; a3 (Préparer expansion aile dame — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...d6 (Libérer Bc8 — 52 % des parties) ; ...Nf6 (Développer g8 — 18 % des parties) ; ...d5 (Occuper le centre — 10 % des parties) ; ...Nc6 (Développer b8 — 6 % des parties) ; ...Bxd2+ (Fou actif (mobilité 8) — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1962 GDR Ch Gera GER – Round 1 – Muehlberg, Siegfried – 0-1 – Moehring, Guenther – G1 1. c4 e6 2. d4 Bb4+ 3. Bd2 a5 4. g3 Nf6 5. Bg2 O-O 6. a3 Bxd2+ 7. Qxd2 d6 8. Nc3 c6 9. Nf3 Nbd7 10. O-O e5
2000 New Delhi/Tehran (FIDE WCh KO) - Round 2.2 - Chernin, Alexander - 1/2-1/2 - Gulko, Boris F - G65 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. g3 Nc6 6. Bg2 e5 7. O-O Nge7 8. d5 Nb8 9. Bxb4 axb4 10. Ne1 O-O
36. Olympiad 2004 – Round 1 – Georgiev, Kiril – 1-0 – Williams, Leighton – G8 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nc3 Nf6 5. e4 d6 6. Bd3 e5 7. d5 O-O 8. Nge2 Na6 9. O-O Nc5 10. Bc2 Bd7
42. Olympiad 2016 – Round 5.3 – Ivanisevic, Ivan – 1/2-1/2 – Caruana, Fabiano – G355 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 Nc6 5. Bg2 d6 6. e3 e5 7. d5 Bxd2+ 8. Qxd2 Nb8 9. Nc3 Na6 10. Nge2 Nf6
Amber-blind 6th 1997 – Round 1 – Van Wely, Loek – 1-0 – Andersson, Ulf 1949 – G2 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 d5 5. Nf3 dxc4 6. a3 Be7 7. Qa4+ Bd7 8. Qxc4 Nf6 9. Ne5 Nc6 10. Nxd7 Qxd7
Dortmund 1995 – Round 9 – Lobron, Eric – 1/2-1/2 – Short, Nigel D – G42 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d5 5. Nc3 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O 9. Qc2 c5 10. cxd5 exd5
FIDE World Blitz Championship 2014 – Round 20.15 – Eljanov, Pavel – 1-0 – Caruana, Fabiano – G192 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 d6 5. Bg2 Nc6 6. e3 Nf6 7. Ne2 O-O 8. O-O e5 9. h3 Bxd2 10. Qxd2 Ne7
FIDE World Cup 2025 – Round R2 Rapid 1 – Mamedyarov Shakhriyar – 1-0 – Kantor Gergely – G373 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Bc5 5. Bg2 d6 6. d3 a5 7. O-O h6 8. h3 a4 9. Nb5 O-O 10. c4 Be6
FIDE World Cup 2025 – Round R2 Rapid 1 – Rauf Mamedov – 1/2-1/2 – Svane – G384 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. d4 Bd7 6. d5 Ne7 7. Bd3 g6 8. c4 Bg7 9. Nc3 O-O 10. O-O Nh5
Madrid rapid 1988 – Round 7 – Korchnoi, Viktor – 1/2-1/2 – Dolmatov, Sergey – G33 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nc3 d6 5. e4 e5 6. a3 Bxc3 7. Bxc3 Qe7 8. d5 Nf6 9. Bd3 a4 10. Bc2 O-O
Novi Sad olm 1990 – Round 14 – Lautier, Joel – 0-1 – Motwani Prashant – G95 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. g3 Nc6 6. Bg2 e5 7. d5 Nce7 8. O-O Nf6 9. Ne1 Bc5 10. Nd3 Ba7
Superbet Rapid 2019 – Round 2.4 – Giri, Anish – 1/2-1/2 – Caruana, Fabiano – G9 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. a3 Be7 5. Nc3 d5 6. Nf3 Nf6 7. Bf4 O-O 8. e3 b6 9. Bd3 dxc4 10. Bxc4 Bb7
World Blitz 2015 – Round 1.41 – Al-Sayed, Mohammed – 1-0 – Edouard, Romain – G33 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. g3 Qe7 6. Bg2 e5 7. O-O e4 8. Ne1 Bxd2 9. Qxd2 f5 10. f4 Nf6
World Cup 1989 – Round 1 – Nogueiras Santiago, Jesus – 1-0 – Short, Nigel D – G11 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 d5 5. Nf3 Nc6 6. a3 Bxd2+ 7. Nbxd2 Qf6 8. e3 Nge7 9. Bg2 O-O 10. O-O a4
World Cup 1989 – Round 1 – Portisch, Lajos – 1/2-1/2 – Tal, Mikhail – G9 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. Nc3 Nf6 6. Qc2 Qe7 7. a3 Bxc3 8. Bxc3 Nc6 9. e4 e5 10. d5 Nb8
World Cup 1989 – Round 3 – Portisch, Lajos – 1-0 – Korchnoi, Viktor – G51 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. g3 Nc6 6. Bg2 e5 7. d5 Nce7 8. Bxb4 axb4 9. Nbd2 Nf6 10. O-O O-O
World Rapid 2019 – Round 3.44 – Rozum, Ivan – 1/2-1/2 – Tomashevsky, Evgeny – G188 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 d5 5. Nf3 dxc4 6. Bg2 Nc6 7. e3 Nf6 8. O-O O-O 9. Qc1 b5 10. a4 Ba6

A40r — Keres Defence (1962)

1.d4 e6 2.c4 Bb4+ 3.Bd2 a5

Les coups candidats

4.Nf3 — 42.4% (871 parties)

Ambassadeurs : Eingorn, Vereslav S (35x), Malakhatko, Vadim (11x), Paehtz, Elisabeth (11x), Epishin, Vladimir (9x), Psakhis, Lev (8x), Panno, Oscar (8x), Ward, Chris G (8x), Gulko, Boris (8x)

4.g3 — 19.1% (392 parties)

Ambassadeurs : Van Wely, Loek (8x), Eingorn, Vereslav S (8x), Ward, Chris G (6x), Dgebuadze, Alexandre (6x), Paehtz, Elisabeth (5x), Short, Nigel D (5x), De Jong, Migchiel (4x), Edouard, Romain (4x)

4.Nc3 — 18.2% (373 parties)

Ambassadeurs : Eingorn, Vereslav S (10x), Sokolov, Ivan (8x), Peralta, Fernando (6x), De Jong, Wim (6x), Gulko, Boris (5x), Richards, Heather S (4x), Paehtz, Elisabeth (4x), Stohl, Igor (4x)

4.a3 — 9.3% (192 parties)

Ambassadeurs : Richards, Heather S (5x), Kaid, Almar, Dr. (3x), Karagiannis, Athanasios NA (3x), Sedlak, Nikola (3x), De Jong, Wim (3x), Shabanaj, Alda (2x), Legrand, Stephane (2x), Kosic, Dragan (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.Nf3	4.g3	4.Nc3	4.a3
<1800	37	41%	3%	27%	22%
1800-2200	489	37%	17%	19%	16%
2200-2600	1387	44%	21%	17%	7%
2600+	80	42%	19%	28%	5%

Évolution par décennie (% des parties)

Décennie	N parties	4.Nf3	4.g3	4.Nc3	4.a3
1960s	3	33%	67%	—	—
1970s	1	—	—	—	—
1980s	94	56%	13%	6%	1%
1990s	348	50%	17%	15%	7%
2000s	470	47%	16%	19%	7%
2010s	930	37%	23%	21%	10%
2020s	208	40%	13%	15%	19%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.Nf3	37%	40%	▲ +3.8%
4.g3	23%	13%	▼ -10.1%
4.Nc3	21%	15%	▼ -5.8%
4.a3	10%	19%	▲ +9.1%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie

Parties historiques

4.Nf3 — 42.4% (871 parties)

1960 — Veresov, Gavriil vs Bronstein, David I — 0-1 — Moscow RUS
1980 — Karlsson, Mats vs Wicker, Kevin J — 1-0 — Politiken Cup
1981 — Petrosian, Arshak B vs Eingorn, Vereslav S — 0-1 — URS t ch
1982 — Bakheet Farag vs Short, Nigel D — 1/2-1/2 — Hastings ENG
1983 — Langeweg, Kick vs Timman, Jan H — 1/2-1/2 — Hilversum ch-NED

4.g3 — 19.1% (392 parties)

1962 — Muehlberg, Siegfried vs Moehring, Guenther — 0-1 — GDR-ch Gera GER
1969 — Huguet, Francois vs Sanner, Michel — 1/2-1/2 — Pau
1982 — Rodriguez Cespedes, Amador vs Vera Gonzalez-Quevedo, Reynaldo — 1-0 — Cuba
1982 — Ligterink, Gert vs Short, Nigel D — 1-0 — Marbella I zt
1983 — Grivas, Efstratios vs Skalkotas, Nikolaos — 1/2-1/2 — Iraklion

4.Nc3 — 18.2% (373 parties)

1984 — Timoscenko, Gennadij vs Lputian, Smbat — 1-0 — Minsk BLR
1987 — Timoscenko, Gennadij vs Graf, Alexander — 0-1 — Tashkent UZB
1989 — Korchnoi, Viktor vs Passager, Jean-Pierre — 1-0 — Bordeaux FRA
1989 — Korchnoi, Viktor vs Dolmatov, Sergey — 1/2-1/2 — Madrid ESP
1989 — Tisdall, Jonathan D vs Korchnoi, Viktor — 1-0 — Haifa etc

4.a3 — 9.3% (192 parties)

1989 — Karagiannis, Athanasios NA vs Keitlinghaus, Ludger — 1-0 — Corfu GRE
1990 — Simon, Holger vs Kuhn, Clemens — 1/2-1/2 — ?
1990 — Santolini, Luigi vs King, Daniel J — 0-1 — Cappelle la Grande FRA
1991 — Pirnat, Saso vs Kastelic, Marian — 0-1 — Slovenia ch
1992 — Stokstad, Petter G. vs Lupu, Mircea-Sergiu — 0-1 — Parthenay FRA

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →