Structure de pions
♔ Blancs ♚ Noirs
Pions doublés — ● d4, ● d6
Pions isolés — —
Arriérés — —
Chaînes — ● c7→d6
Passés — —
Majorité — —
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b5 (2v0), ● d5 (2v1), ● g5 (2v0) ● g4 (2v0)
Cases faibles — —
Centre ● d4 (2v0), ● d5 (2v1) —
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● d ● e
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bf1 ● Bf1 Non développé (mob. 0)
Bc8 ● Bc8 Non développé (mob. 5)
Bf8 ● Bf8 Non développé (mob. 1)
Paire de fous ● Oui ● Oui
Non développées 4 (● 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-c5, ● e2-e3 ● …d4-d3, ● …d6-d5

A54d — Old Indian: 4.Nf3 exd4

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 exd4 *   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bP
bP
bN
Case forte (2v0)
Case forte (2v1)
Case forte (2v0)
wP
bPpawn en prise !
wN
wN
wP
wP
wP
wP
wP
wP
wR
wBFou actif — mobilité 5
wQ
wK
wB
wR
abcdefgh
Plans. Nxd4 (Cavalier centralisé en d4 — 100 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wR
wP
wP
wP
wP
wP
wP
wN
wN
Case forte (2v0)
bPpawn en prise !
wP
bN
bP
bP
bP
bP
bP
bP
bP
bR
bB
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...Be7 (Développer f8 — 42 % des parties) ; ...g6 (Préparer le fianchetto — 20 % des parties) ; ...Nc6 (Développer b8 — 16 % des parties) ; ...Bd7 (Fou actif (mobilité 8), Développer c8 — 8 % des parties) ; ...d5 (Occuper le centre — 5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1914 St Petersburg – Round 1 – Alekhine, Alexander – 1-0 – ? – G1
1. c4 e5 2. Nc3 d6 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Be7 6. g3 Nc6 7. Bg2 Bd7 8. b3 O-O 9. Bb2 Nxd4 10. Qxd4 c6
1922 London BCF Congress – Round 6 – Euwe, Max – 1/2-1/2 – Reti, Richard – G9
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. g3 Nc6 7. Nxc6 bxc6 8. Bg2 Bb7 9. O-O O-O 10. Qc2 Qd7
1925 Baden-Baden – Round 16 – Tartakower, Savielly – 1/2-1/2 – Colle, Edgar – G145
1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nbd7 6. Bg5 Be7 7. e3 Nc5 8. Be2 O-O 9. O-O Nce4 10. Nxe4 Nxe4
1935 Warsaw olm – Round 1 – Tartakower, Savielly – 1-0 – Batista Grau, Ricardo – G1
1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Be7 6. g3 d5 7. Bg2 c5 8. Nb3 d4 9. Nd5 O-O 10. e3 Nxd5
1936 Argentina – Round 1 – Villegas, Benito – 1-0 – Garcia Balado L – G1
1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Be7 6. g3 Nbd7 7. Bg2 O-O 8. O-O Nb6 9. Qb3 c5 10. Nc2 Be6
1947 Warsaw – Round 4 – Sajtar, Jaroslav – 1-0 – Gruenfeld, Ernst – G20
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Nbd7 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. b3 Nc5 10. Bb2 Re8
1949 Venice – Round 11 – Kottnauer, Cenek – 1-0 – Stalda, Giuseppe – G80
1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nc6 6. e3 Be7 7. Be2 O-O 8. O-O Re8 9. b3 Bf8 10. Bb2 g6
1955 Argentina – Round 3 – Alcaraz Suarez, Juan Camilo – 0-1 – Redolfi, Argentino Rodolfo – G14
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Nc6 6. Bg5 Be7 7. e3 O-O 8. Be2 h6 9. Bf4 Re8 10. O-O Ne5
1955 CSR Ch Army – Round 7 – Alster, Ladislav – 1-0 – Lukes, Alexander – G9
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Nc6 6. g3 Bd7 7. Bg2 Nxd4 8. Qxd4 Bc6 9. Nd5 Bxd5 10. cxd5 Be7
1956 ITA-ch18 Rovigo – Round 7 – Zichichi, Alvise – 1-0 – Palmiotto, Fiorentino – G20
1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Be7 6. g3 c5 7. Nc2 O-O 8. Bg2 Nbd7 9. O-O a6 10. Ne3 Re8
1956 Moskou olm – Round 9 – Ojanen, Kaarle S – 1-0 – Wantz, Fernand – G14
1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Be7 6. e4 Bd7 7. Be2 Nc6 8. Nc2 O-O 9. O-O Re8 10. Be3 Bf8
1957 Moskou ch-URS – Round 13 – Tolush, Alexander – 1-0 – Klaman, Konstantin Mikhailovich – G130
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 d5 6. Bg5 dxc4 7. e3 Be7 8. Bxc4 O-O 9. Qc2 c5 10. Nf5 Bxf5
1957 Sao Paulo – Round 4 – Najdorf, Miguel – 1-0 – Astudillo Lisboa, Moises Enrique – G4
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 d5 6. Bg5 Be7 7. e3 c6 8. Qc2 O-O 9. Be2 dxc4 10. Bxc4 Qa5
1957 URS-ch24 – Round 14 – Khasin, Abram – 1-0 – Nezhmetdinov, Rashid – G10
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 d5 6. Bg5 dxc4 7. e3 c5 8. Ndb5 a6 9. Qxd8+ Kxd8 10. O-O-O+ Nd7
1958 Buenos Aires – Round 10 – Shocron, Ruben – 1-0 – Abraham Rubin, Lior – G16
1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 exd4 5. Nxd4 Be7 6. e4 O-O 7. Be2 Nbd7 8. O-O Nc5 9. f3 a5 10. Be3 Be6
1958 Munich olm prel – Round 5 – Alvarez Martin, Pedro – 1-0 – Aldecoa Acha, Luis – G108
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. e4 Nc6 7. Nc2 Bg4 8. f3 Be6 9. Be2 a5 10. O-O Nd7
1963 GDR Ch Aschersleben GER – Round 12 – Uhlmann, Wolfgang – 1-0 – Muehlberg, Siegfried – G63
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Nc6 6. e4 g6 7. Be2 Bg7 8. Bg5 h6 9. Be3 O-O 10. O-O Ng4
1964 Buenos Aires Ch – Round ? – Cruz, Raul C. – 1/2-1/2 – Garcia Rodriguez, Raimundo – G13
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O Re8 9. h3 Nbd7 10. Qc2 c6
1967 Sarajevo – Round 9 – Kavalek, Lubomir – 1/2-1/2 – Kozomara, Vlado – G45
1. c4 Nf6 2. Nc3 d6 3. d4 e5 4. Nf3 exd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. g3 Be7 8. Bg2 Bd7 9. O-O O-O 10. b3 Rb8
Reykjavik ISL, 22th Open 2006 – Round 8 – Svidler, Peter – 1/2-1/2 – Svidler, Peter – G11
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. g3 O-O 7. Bg2 Re8 8. O-O Nbd7 9. b3 Nc5 10. Bb2 a5

A54d — Old Indian (1914)
1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 exd4
Les coups candidats
5.Nxd4 — 99.3% (732 parties)
Ambassadeurs : Vassallo Barroche, Mauricio (4x), Plat, Vojtech (4x), Sarosy, Zoltan L (3x), Appel, Ralf (3x), Braeu, Ludwig (3x), Gravett, Alan D (3x), Kozomara, Vlado (2x), Nocke, Thomas (2x)
5.Qxd4 — 0.7% (5 parties)
Ambassadeurs : Sardon Aragon Alejandro Ulysses (1x), Alen Bobby (1x), Linqvist, Grels (1x), Karkkainen, Pekka (1x), Brixius, Dirk (1x), Lukoviczki, Matyas (1x), Hausner, Ivan (1x), Sodoma, Jan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nxd4 5.Qxd4
<1800 80 100% —
1800-2200 330 99% 1%
2200-2600 160 99% 1%
2600+ 4 100% —
Évolution par décennie (% des parties)
Décennie N parties 5.Nxd4 5.Qxd4
1950s 15 100% —
1960s 9 100% —
1970s 11 100% —
1980s 33 100% —
1990s 141 99% 1%
2000s 228 100% 0%
2010s 218 99% 1%
2020s 82 100% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nxd4 99% 100% ▲ +0.9%
5.Qxd4 1% 0% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Parties historiques
5.Nxd4 — 99.3% (732 parties)
1950 — Zalys, Ignas vs Tanguay, Alexandre — 1-0 — Montreal CAN
1955 — Suarez Castro Aidan Fernando vs Redolfi, Argentino Rodolfo — 0-1 — Argentina
1955 — Alster, Ladislav vs Lukes, Frantisek — 1-0 — Prague CZE
1956 — Zichichi, Alvise vs Palmiotto, Fiorentino — 1-0 — ITA-ch18 Rovigo
1956 — Ojanen, Kaarle S vs Wantz, Fernand — 1-0 — Moscow RUS
5.Qxd4 — 0.7% (5 parties)
1991 — Sardon Aragon Alejandro Ulysses vs Alen Bobby — 1/2-1/2 — Paderborn GER
1998 — Linqvist, Grels vs Karkkainen, Pekka — 1-0 — Finland
2001 — Brixius, Dirk vs Lukoviczki, Matyas — 0-1 — Ratingen
2012 — Hausner, Ivan vs Sodoma, Jan — 1-0 — Prague CZE
2019 — Chekletsov, Egor vs Sosnina, Ekaterina — 1-0 — Yekaterinburg RUS

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