Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● c7→d6, e7→d6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes
Cases faibles
Centre ● d4 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bf1 ● Bf1 Non développé (mob. 0)
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) 6 (● b8, ● g8, ● 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

A04h — Reti: 1…d6

1.Nf3 d6 *   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bN
bR
bP
bP
bP
bP
bP
bP
bP
bP
wN
wP
wP
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wK
wB
wR
abcdefgh
Plans. d4 (Occuper le centre — 64 % des parties) ; g3 (Préparer le fianchetto — 15 % des parties) ; c4 (Frapper le centre adverse — 10 % des parties) ; e4 (Occuper le centre — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wN
wR
wP
wP
wP
wP
wP
wP
wP
wP
wN
bP
bP
bP
bP
bP
bP
bP
bP
bR
bN
bB
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...Nf6 (Développer g8 — 28 % des parties) ; ...g6 (Préparer le fianchetto — 22 % des parties) ; ...Bg4 (Fou actif (mobilité 7), Développer c8 — 19 % des parties) ; ...e5 (Occuper le centre — 15 % des parties) ; ...f5 (Attaque à l'aile roi — 8 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1958 Jonkoping SWE 60jub – Round 7 – Ljungquist, Lennart – 0-1 – Ek, Hans – G12
1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. e4 O-O 7. Nc3 c5 8. Be3 h6 9. Qd2 Kh7 10. Ne2 Qc7
1961 ENG-NED m – Round 2.6 – Van de Pol, Jan – 0-1 – Barden, Leonard – G17
1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. d3 f5 5. Nbd2 Nf6 6. e4 e5 7. Nc4 O-O 8. exf5 gxf5 9. Be3 Nc6 10. d4 e4
1961 USA Ch Open 62th – Round 12 – Binns, Paul – 0-1 – Rivise, Irving – G51
1. Nf3 d6 2. g3 e5 3. d3 c6 4. c4 g6 5. Na3 Bg7 6. Bg2 Ne7 7. Rb1 a5 8. Nc2 O-O 9. a3 a4 10. O-O Nd7
1963 RUS Ch – Round ? – Balitinov M – 1-0 – Bastrikov, Georgy – G12
1. Nf3 d6 2. g3 e5 3. d3 c6 4. c4 Nf6 5. Nc3 h6 6. Bg2 Be7 7. O-O O-O 8. b4 d5 9. Nxe5 d4 10. Ne4 Nxe4
1964 URS Spartakiad – Round ? – Yudovich, Mikhail Jr – 1-0 – Polugaevsky, Lev – G23
1. Nf3 d6 2. g3 e5 3. Bg2 g6 4. d4 e4 5. Ng5 d5 6. c4 c6 7. Nc3 Bg7 8. cxd5 cxd5 9. f3 exf3 10. Nxf3 Nc6
1965 Aalborg – Round 1 – Jakobsen, Ole – 1/2-1/2 – Haahr, Thorkild – G60
1. Nf3 d6 2. g3 e5 3. Bg2 Nc6 4. d3 Be7 5. c4 Be6 6. Nc3 Qd7 7. Qa4 h5 8. b4 h4 9. b5 Nd8 10. O-O Bh3
1965 Kiel Open – Round 7 – Schroeder, Hannes – 1-0 – Eising, Johannes – G36
1. Nf3 d6 2. g3 Nf6 3. Bg2 c5 4. c4 Nc6 5. d4 cxd4 6. Nxd4 Bd7 7. Nc3 g6 8. b3 Nxd4 9. Qxd4 Bc6 10. e4 Bg7
1968 WchT U26 15. qual-B – Round 4.2 – Arnaudov, Petar – 1-0 – Levy, David N L – G10
1. Nf3 d6 2. g3 e5 3. Bg2 f5 4. O-O Be7 5. c4 Nf6 6. Nc3 O-O 7. d3 c6 8. Rb1 Qe8 9. c5 Qh5 10. cxd6 Bxd6
1969 Pointe-Claire ch CAN – Round 14 – Horton, Joe – 1-0 – Coudari, Camille – G17
1. Nf3 d6 2. g3 Nc6 3. Bg2 e5 4. d3 Be7 5. c4 h5 6. h4 Nh6 7. Nc3 Nf5 8. Nd5 f6 9. b4 Be6 10. Bb2 Qd7
1969 Rhyl ch-BCF – Round 4 – Parr, Frank – 1-0 – Perkins, Alan H – G38
1. Nf3 d6 2. g3 Bg4 3. Bg2 Qc8 4. h3 Bd7 5. d4 Nf6 6. Nc3 Nc6 7. e4 e5 8. d5 Ne7 9. Bg5 h6 10. Be3 Ng6
SportAccord Blitz 2014 – Round 28.7 – Harikrishna, Pentala – 0-1 – Ponomariov, Ruslan – G221
1. Nf3 d6 2. g3 e5 3. Bg2 f5 4. O-O Nf6 5. c4 g6 6. Nc3 Bg7 7. d3 O-O 8. Rb1 h6 9. b4 g5 10. b5 Kh8
World Blitz 2015 – Round 16.19 – Savchenko, Boris – 0-1 – Petrosian, Tigran L. – G982
1. Nf3 d6 2. g3 e5 3. c4 g6 4. Bg2 Bg7 5. d4 e4 6. Ng5 f5 7. h4 Nc6 8. d5 Ne5 9. Be3 Nf6 10. Bd4 O-O
World Blitz 2017 – Round 7.37 – Pantsulaia, Levan – 0-1 – Adhiban, B. – G369
1. Nf3 d6 2. g3 e5 3. Bg2 f5 4. O-O Nf6 5. c4 Be7 6. Nc3 O-O 7. d3 c6 8. Rb1 Na6 9. b4 Nc7 10. a4 a6
World Blitz 2018 – Round 17.61 – Pantsulaia, Levan – 0-1 – Salgado Lopez, Ivan – G1034
1. Nf3 d6 2. g3 e5 3. Bg2 Nc6 4. c4 g6 5. Nc3 Bg7 6. Rb1 Be6 7. d3 h6 8. b4 Qd7 9. b5 Nd8 10. a4 Ne7

A04h — Pirc Invitation (1958)
1.Nf3 d6
Les coups candidats
Ambassadeurs : Gutman, Lev (47x), Andersson, Ulf (33x), Adamski, Jan (28x), Miles, Anthony J (26x), Kaenel, Hansjuerg (25x), Vadasz, Laszlo (22x), Braun, Gottfried, Dr. (22x), Jurek, Josef (21x)
2.g3 — 15.4% (3373 parties)
Ambassadeurs : Urban, Julian (9x), Vaganian, Rafael A (8x), Pantsulaia, Levan (8x), Brodie, Hugh (7x), Di Lascio, Savino (7x), Loeffler, Stefan (6x), Trauth, Michael, Dr. (6x), Heika, Martin (5x)
Ambassadeurs : Velikov, Petar (10x), Hernando Garcia, Antonio (8x), Marchio, Enrico, Dr. (5x), Feustel, Bernd (4x), Hodgson, Julian M (4x), Oswald, Hans-Joachim (4x), Keene, Raymond D (3x), Dimitrov, Vladimir (3x)
Ambassadeurs : Angskog, Kent (7x), Puranen, Jukka (6x), Dunnington, Angus J (5x), Luciani, Valerio (5x), Yrjola, Jouni (5x), Miles, Anthony J (4x), Zolnierowicz, Krzysztof (4x), Jansa, Vlastimil (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.d4 2.g3 2.c4 2.e4
<1800 1182 55% 19% 11% 7%
1800-2200 8462 59% 19% 11% 7%
2200-2600 9643 73% 11% 8% 7%
2600+ 166 78% 5% 4% 11%
Évolution par décennie (% des parties)
Décennie N parties 2.d4 2.g3 2.c4 2.e4
1950s 63 79% 8% 13%
1960s 134 65% 19% 6% 7%
1970s 391 68% 14% 8% 8%
1980s 929 68% 12% 11% 8%
1990s 4806 63% 18% 9% 7%
2000s 6162 62% 16% 11% 7%
2010s 7431 65% 15% 10% 7%
2020s 1954 70% 12% 9% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.d4 65% 70% ▲ +5.1%
2.g3 15% 12% ▼ -3.1%
2.c4 10% 9% ▼ -1.0%
2.e4 7% 6% ▼ -1.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 7 parties
Carlsen, Magnus — 6 parties
Anand, Viswanathan — 5 parties
Kasparov, Garry — 2 parties
Gukesh D — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie
Ding, Liren — 1 partie
Parties historiques
2.d4 — 64.4% (14074 parties)
1950 — Busek, Hans vs Prins, Lodewijk — 0-1 — Dubrovnik olm
1950 — Alfred, Le Bron vs Kieninger, Georg — 1/2-1/2 — Bad Pyrmont GER
1951 — Pirc, Vasja vs Fuderer, Andrija — 1-0 — Ljubljana
1952 — Lipnitsky, Isaac vs Lutikov, Anatoly S — 1-0 — Odessa UKR
1952 — Golombek, Harry vs Wade, Robert G — 1-0 — Saltsjobaden SWE
2.g3 — 15.4% (3373 parties)
1952 — Soluch, Leopold vs Stoeckl, Ernst — 0-1 — Vienna AUT
1955 — Muhring, Willem Jan vs Alster, Ladislav — 1/2-1/2 — Team match NED-CSR
1955 — Olexa, Vilem vs Pachman, Ludek — 1-0 — Czechoslovakia
1958 — Ljungquist, Lennart vs Ek, Hans — 0-1 — Jonkoping
1959 — Lastovicka, Jiri vs Hobza, Frantisek — 1-0 — Trebic
2.c4 — 9.9% (2164 parties)
1962 — Finegold, Ronald vs Rohland, Marshall — 1-0 — San Antonio, TX USA
1963 — Doda, Zbigniew vs Barendregt, Johan — 1-0 — Polanica Zdroj POL
1963 — Kattinger, Ingeborg vs Renoy Chevrier, Anne Marie — 1/2-1/2 — Split CRO
1964 — Maier, Thomas vs Blackstone, John — 0-1 — Baltimore, MD USA
1966 — Gasic, Bozidar vs Kotov, Alexander — 0-1 — Sarajevo Sarajevo BIH
2.e4 — 7.2% (1572 parties)
1952 — Yudovich, Mikhail sr vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS
1953 — Hofmann, Vilem vs Pachman, Ludek — 1/2-1/2 — Ch Czechoslovakia
1954 — Orbaan, Constant vs Van den Bosch, Johannes — 1-0 — Amsterdam NED
1954 — Al Husari, Zita Fatima vs Pachman, Ludek — 1/2-1/2 — Prague CZE
1957 — Abdou, William vs Allen Jones — 1-0 — Oakdale, CA

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