Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● b7→a6
Passés	—	—
Majorité	—	● aile dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● g4 (2v0), ● d5 (2v0)
Cases faibles	—	—
Centre	● d4 (3v1), ● e5 (2v0)	● d5 (2v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 3)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● 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	mobile
Ruptures	—	● …c4-c3, ● …c7-c5, ● …e7-e5

D25c — QGA: 4.e3 a6

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 a6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bxc4 (Fou actif (mobilité 9), Développer f1 — 92 % des parties) ; a4 (7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...e6 (Solidifier le centre, libérer le fou — 81 % des parties) ; ...b5 (Expansion aile dame — 13 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
19. European Teams 2013 – Round 9.16 – Ragger, Markus – 0-1 – Tazbir, Marcin – G314 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. O-O e6 8. a4 b4 9. Nbd2 Nbd7 10. Qe2 c5
1913 New York Rice – Round ? – Kupchik, Abraham – 0-1 – Capablanca, Jose – G18 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. O-O Nbd7 8. Qe2 c5 9. a4 c4 10. Bc2 e6
1934 Trebitsch Memorial 17th – Round 1 – Podhorzer, David – 0-1 – Glass, Eduard – G1 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. O-O Nbd7 8. a4 b4 9. Qe2 e6 10. Nbd2 Be7
1935 Warsaw POL – Round 9 – Lundin, Erik – 1-0 – Muffang, Andre – G39 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Bd3 e6 7. O-O Bb7 8. a4 b4 9. Qe2 c5 10. dxc5 Bxc5
1936 UJCS-14.Kongress – Round 1 – Paroulek, Vit – 0-1 – Gilg, Karl – G1 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. a4 c5 6. Bxc4 Nc6 7. O-O Bg4 8. Qb3 e6 9. Ne5 Na5 10. Qa2 Bh5
1948 New York – Round 8 – Kashdan, Isaac – 0-1 – Fine, Richard Alvaro Adrien – G42 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 b5 6. Bb3 e6 7. a4 c6 8. O-O Nbd7 9. Qe2 Be7 10. e4 O-O
1957 Dublin zt – Round 12 – Fairhurst, William – 1/2-1/2 – Plater, Kazimierz – G93 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. O-O e6 8. a4 b4 9. Qe2 c5 10. Nbd2 Nc6
1958 Manhattan CC Ch fin 5758 – Round 1 – Shainswit, George – 1-0 – Kramer, George – G5 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. a3 c5 8. dxc5 e5 9. Nxe5 Bxg2 10. Rg1 Qd5
1959 Skittles – Round ? – Blackstone, John – 1-0 – Gazze, Mark – G6 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Bb3 Bb7 7. a4 c6 8. O-O Nbd7 9. Bd2 e6 10. axb5 cxb5
1961 Rostov on Don – Round 2 – Tarasov, Vitaly – 1-0 – Drozd, Ryszard – G5 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. O-O e6 8. a4 b4 9. Qe2 c5 10. dxc5 Bxc5
1961 Warsaw – Round 1 – Minev, Nikolay N – 1-0 – Drozd, Ryszard – G16 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 b5 6. Bd3 Bb7 7. a4 b4 8. Qe2 c5 9. O-O e6 10. dxc5 Bxc5
1963 Pan American Ch – Round 6 – Cobo Arteaga, Eldis – 1-0 – Haro Garcia, Gilberto – G22 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Be2 Bb7 7. a4 b4 8. Nbd2 e6 9. O-O Nbd7 10. Nc4 Be7
34. ECC Open 2018 – Round 7.4 – Postny, Evgeny – 0-1 – Yu, Yangyi – G220 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Be2 Bb7 7. O-O e6 8. a4 b4 9. b3 Nbd7 10. Bb2 c5
43. Olympiad 2018 – Round 6.5 – Yu, Yangyi – 1/2-1/2 – Idani, Pouya – G409 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Be2 Bb7 7. O-O e6 8. a4 b4 9. b3 Nbd7 10. Bb2 Be7
FIDE World Cup 2019 – Round 1.1 – Yu, Yangyi – 1-0 – Ghaem Maghami, Ehsan – G14 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. O-O e6 8. Qe2 Be7 9. e4 Nbd7 10. Nc3 c5
World Blitz 2023 – Round 12.59 – Kuzubov, Yuriy – 0-1 – Orozbaev, Eldiyar – G713 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Be2 Bb7 7. O-O e6 8. a4 b4 9. b3 Nbd7 10. Nbd2 Bd6

D25c — QGA (1913)

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 a6

Les coups candidats

5.Bxc4 — 90.0% (2468 parties)

Ambassadeurs : Volodarsky, Yury Aleksandrovich (55x), Korbut, Ekaterina (31x), Yakovich, Yuri (24x), Sadler, Matthew D (22x), Wahjuwidajat, Utut Adianto (22x), Mayer, Istvan (17x), Dao, Thien Hai (15x), Slipak, Sergio (14x)

5.a4 — 10.0% (273 parties)

Ambassadeurs : Karpatchev, Aleksandr (4x), Donchev, Dimitar I. (3x), Mayer, Istvan (3x), Godena, Michele (3x), Simic, Radoslav K (2x), Nikolic, Predrag (2x), Wahjuwidajat, Utut Adianto (2x), Mazziotti Irigoyen, Gabriel (2x)

5.Nc3 — 0.1% (2 parties)

Ambassadeurs : Van Wely, Loek (1x), Anand, Viswanathan (1x), Khokhlova, Galina Ivanovna (1x), Lysovsky, V. M.. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Bxc4	5.a4	5.Nc3
<1800	96	86%	14%	—
1800-2200	764	86%	14%	0%
2200-2600	1604	92%	8%	—
2600+	63	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Bxc4	5.a4	5.Nc3
1950s	50	98%	2%	—
1960s	33	97%	3%	—
1970s	25	96%	4%	—
1980s	169	89%	11%	—
1990s	523	92%	8%	0%
2000s	668	90%	10%	—
2010s	881	88%	12%	—
2020s	394	91%	9%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Bxc4	88%	91%	▲ +2.6%
5.a4	12%	9%	▼ -2.9%
5.Nc3	0%	0%	+0.3%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 8 parties
Karpov, Anatoly — 7 parties
Kramnik, Vladimir — 2 parties
Botvinnik, Mikhail — 1 partie
Hou, Yifan — 1 partie

Parties historiques

5.Bxc4 — 90.0% (2468 parties)

1950 — Gereben, Erno vs Sebestyen, Balazs — 1-0 — Budapest HUN
1950 — Bolbochan, Julio vs Devos, Paul — 1-0 — Dubrovnik CRO
1950 — Van den Berg, Cees vs Van Steenis, Ir — 1-0 — Leiden NED
1950 — MULLER vs Kramer, Gerald — 1/2-1/2 — Dubrovnik olm
1950 — Lilienthal, Andor vs Keres, Paul Petrovich — 1/2-1/2 — Budapest HUN

5.a4 — 10.0% (273 parties)

1955 — Antos, Zoltan vs Rejfir, Josef — 0-1 — Prague CZE
1967 — Volpert, Larisa vs Ranniku, Maaja — 1-0 — Moscow RUS
1971 — Fernandez, Ignacio vs Pilnik, Herman — 1/2-1/2 — Villa Gesell ARG
1982 — Baretic, Zvonimir vs Djukanovic, Marko — 1-0 — Hastings ENG
1983 — Ftacnik, Lubomir vs Donchev, Dimitar I. — 1/2-1/2 — Bratislava SVK

5.Nc3 — 0.1% (2 parties)

1992 — Van Wely, Loek vs Anand, Viswanathan — 0-1 — Tilburg NED
2020 — Khokhlova, Galina Ivanovna vs Lysovsky, V. M.. — 0-1 — ICCF