A08m — Reti: KIA, 2…c5 + 3…g6

1.Nf3 d5 2.g3 c5 3.Bg2 g6 4.O-O Bg7 5.d3 Nf6 6.Nbd2 O-O * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture c2-c3).

Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. h3 (Empêcher ...Bg4) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte g4….

Atouts. Les Noirs s'appuient sur les cases fortes g4 et f5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c4 (Rupture) ; ...d4 (Rupture) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, e2→d3, f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● e5 (1v0)	● d5 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● d3-d4, ● e2-e3	● …c5-c4, ● …d5-d4, ● …e7-e6, ● …e7-e5

Partie
1936 Muenchen ol – Round 19 – Pelikán, Jiří – 1-0 – Muhring, Willem Jan – G56 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 dxe4 9. dxe4 e5 10. c3 Qe7
1939 Bad Oeynhausen ch-GER – Round 1 – Engels, Ludwig – 0-1 – Rellstab, Ludwig – G20 1. Nf3 Nf6 2. g3 c5 3. Bg2 d5 4. d3 g6 5. Nbd2 Bg7 6. O-O O-O 7. e4 Nc6 8. exd5 Nxd5 9. Nb3 b6 10. c4 Nc7
1947 Leningrad ch-URS – Round 1 – Ufimtsev, Anatoly – 1/2-1/2 – Lilienthal, Andor – G43 1. Nf3 Nf6 2. d3 d5 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nbd2 c5 7. e4 Nc6 8. c3 dxe4 9. Nxe4 Nxe4 10. dxe4 Qxd1
1947 URS Ch sf – Round 9 – Petrosian, Tigran A. – 1-0 – Liublinsky, Victor – G23 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. c3 h6 9. e5 Ng4 10. d4 h5
1950 CSR-BUL Prague CZE – Round 2 – Tsvetkov, Alexandar K – 1-0 – Richter, Emil – G12 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. c3 e5 9. Re1 b6 10. exd5 Nxd5
1950 Dubrovnik olm – Round 1 – Castaldi, Vincenzo – 0-1 – O'Kelly, Albéric de Galway – G50 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. c3 Qc7 9. Re1 Rd8 10. Qc2 e5
1951 Bucharest GMT 2nd – Round 15 – Szabo, Stefan – 0-1 – Milev, Zdravko – G66 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Qe2 e5 9. Nb3 b6 10. Bg5 dxe4
1951 Hastings5152 – Round 3 – Popel, Stepan – 1/2-1/2 – Yanofsky, Daniel Abraham – G14 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. c3 h6 10. Qc2 Be6
1952 Olympiad Helsinki (Finland) – Round 1 – Book, Eero – 1/2-1/2 – Czerniak, Magdalena – G12 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. c3 h6 10. Qe2 Be6
1953 Bucharest – Round 11 – Radulescu, Mihai – 0-1 – Troianescu, Octav – G111 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 h6 9. c3 dxe4 10. dxe4 Be6
1953 Candidats Tournament – Round 17 – Petrosian, Tigran V – 1/2-1/2 – Reshevsky, Samuel – G112 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. c3 h6 10. Qe2 Be6
1954 Bucharest – Round 1 – Ciocaltea, Victor – 1/2-1/2 – Paoli, Enrico – G25 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. c3 b6 9. Re1 dxe4 10. dxe4 Qc7
1954 URS Team Ch – Round 3 – Tarasov, Vitaly – 0-1 – Simagin, Vladimir – G53 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. c3 Nc6 8. Re1 d4 9. cxd4 cxd4 10. Nc4 Nd5
1955 CSR Ch – Round 13 – Zita, Frantisek – 1/2-1/2 – Kozma, Julius – G104 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 e6 8. c3 Nc6 9. Re1 b6 10. exd5 Nxd5
1955 Hungary Ch – Round 1 – Foldi, Jozsef – 1/2-1/2 – Bilek, Istvan – G72 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. c3 Nc6 8. e4 dxe4 9. dxe4 Bg4 10. Qc2 Qc8
1955 Moscow Ch – Round 15 – Ragozin, Viacheslav – 1-0 – Flohr, Salo – G94 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O c5 5. d3 Nf6 6. Nbd2 O-O 7. e4 Nc6 8. c3 b6 9. e5 Ne8 10. d4 cxd4
1955 New York Rosenwald5455 – Round 1 – Reshevsky, Samuel – 1-0 – Sherwin, James T – G3 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 e6 8. Re1 Nc6 9. exd5 Nxd5 10. Nc4 Qc7
1955 Wch U20 prel-C – Round 4 – Kreppenhofer – 1/2-1/2 – Farre Mallofre, Miguel – G12 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 e6 9. c3 b6 10. Qc2 Ba6
1955 Zagreb – Round 12 – Filip, Marius Liviu – 1-0 – Rabar, Braslav – G129 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 e6 9. c3 Qc7 10. Nf1 Rd8
1956 CSR Ch – Round 12 – Alster, Ladislav – 1-0 – Fichtl, Jiri – G113 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 e6 8. Qe2 Nc6 9. Re1 b6 10. Nf1 a5
1956 Hoogovens – Round 1 – Orbaan, Constant – 0-1 – Toran Albero, Roman – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 h6 9. c3 e5 10. exd5 Nxd5
1956 Leipzig ch GDR – Round 12 – Breustedt, Werner – 1-0 – Fuchs, Reinhart – G21 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O d5 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. c3 h6 9. e5 Ne8 10. Re1 Bf5
1956 Moskou olm – Round 1 – Prameshuber, Alexander – 0-1 – Backlund, Gotthard – G95 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. exd5 Nxd5 9. Nb3 b6 10. d4 Ba6
1957 CSR Ch – Round 1 – Olexa, Vilem – 1-0 – Kopriva, Jiri – G6 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. c3 Nc6 8. Qc2 b6 9. a3 a5 10. Rb1 a4
1957 Minsk zt – Round 1 – Zilber, Israel – 1/2-1/2 – Petrosian, Tigran V – G9 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. exd5 Nxd5 9. Nc4 Nb6 10. Ne3 a6
1957 WchT U26 Reykjavik ISL – Round ? – Benko, Pal – 1-0 – Olafsson, Fridrik – G18 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 e5 9. exd5 Nxd5 10. Nc4 f6
1958 AUS Ch – Round 2.13 – Koshnitsky, Gregory – 1/2-1/2 – Kalinovsky, Peter – G8 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. a4 Qc7 9. exd5 Nxd5 10. Nc4 Nb6
1958 Ch - CC – Round ? – Blackstone, John – 1-0 – Iwashita, James – G20 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. c3 Nc6 8. Qc2 e5 9. e4 d4 10. cxd4 cxd4
1959 Marianske Lazne – Round 5 – Herink, Miroslav – 0-1 – Rabar, Braslav – G39 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 d4 9. Nc4 Ne8 10. e5 b5
1960 Avantgard Ch – Round 6 – Stein, Leonid – 1-0 – Cherbak, VP. – G32 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 d4 9. Nc4 Bg4 10. e5 Nd7
1960 WchT U26 07th – Round 12 – Kvist, Goesta – 0-1 – Tringov, Georgi P – G30 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. exd5 Nxd5 9. Nc4 e5 10. Re1 Re8
1961 Baku ch-URS – Round 9 – Savon, Vladimir – 1/2-1/2 – Bagirov, Vladimir – G93 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. exd5 Nxd5 9. Re1 e5 10. Nc4 f6
1961 Buenos Aires ch-ARG – Round 2 – Acosta Garcia, Rafael Isaac – 1-0 – Benko, Francisco – G14 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d3 O-O 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. c3 Bg4 10. h3 Bxf3
1962 Budapest-Warsaw m – Round ? – Zabierzanski W – 1/2-1/2 – Liptay, Laszlo Dr. – G39 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. c4 Nc6 8. a3 dxc4 9. Nxc4 Nd5 10. Rb1 b6
1962 Reggio Emilia ITA – Round 2 – Fleischmann Claus – 0-1 – Paoli, Enrico – G8 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 d5 5. O-O O-O 6. Nbd2 c5 7. e4 e6 8. c3 Nc6 9. Re1 b6 10. Qa4 Bb7
1964 Hoogovens Beverwijk NED – Round 8 – Lengyel, Laszlo – 1-0 – Dunkelblum, Arthur – G51 1. g3 c5 2. Bg2 Nf6 3. Nf3 g6 4. O-O Bg7 5. d3 d5 6. Nbd2 O-O 7. e4 Qc7 8. c3 Nc6 9. Re1 e6 10. e5 Nd7
1966 Sochi Chigorin Memorial 04th – Round 1 – Lein, Anatoly – 1/2-1/2 – Krogius, Nikolai V – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 e5 9. exd5 Nxd5 10. c3 Re8
1966 Sunderland ch-BCF – Round 9 – Cooke Flores, Liam – 1-0 – Lees, David – G83 1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. O-O Bg7 5. d3 d5 6. Nbd2 O-O 7. c3 Nc6 8. e4 d4 9. cxd4 cxd4 10. Ne1 Ne8
1967 Asztalos Memorial 10th – Round 9 – Flesch, Janos – 0-1 – Cobo Arteaga, Eldis – G49 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 d5 5. O-O O-O 6. Nbd2 c5 7. e4 Nc6 8. c3 dxe4 9. dxe4 Qc7 10. Re1 Rd8
1967 Harrachov – Round 3.4 – Gibson, John F. – 1/2-1/2 – Schoeneberg, Manfred – G129 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. c3 Qc7 10. Qc2 Bd7
1967 Havana Armies Ch 4th – Round 2 – Vadasz, Laszlo – 1/2-1/2 – Pribyl, Josef – G14 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. c3 e6 9. Re1 b6 10. Qa4 Qd7
1967 Palma de Majorca ESP – Round 3 – Lehmann, Heinz – 1-0 – Tatai, Stefano – G3 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 Rb8 9. c3 e5 10. a3 Re8
1967 Rubinstein Memorial 5th – Round 14 – Suttles, Duncan – 0-1 – Uhlmann, Wolfgang – G11 1. g3 g6 2. Bg2 Bg7 3. d3 d5 4. Nf3 Nf6 5. O-O O-O 6. Nbd2 c5 7. e4 Nc6 8. exd5 Nxd5 9. Nb3 b6 10. c4 Nc7
1968 Alma Ata ch-URS – Round 1 – Lutikov, Anatoly S – 1-0 – Bagirov, Vladimir – G34 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. c3 Bg4 9. exd5 Nxd5 10. h3 Bd7
1968 Belgrade (Women) 4th – Round 3 – Gaprindashvili, Nona – 1-0 – Stadler, Tereza – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. c4 Nc6 8. cxd5 Nxd5 9. Qa4 Be6 10. Ng5 Nd4
1968 Ybbs – Round 1 – Votruba, Pavel – 0-1 – Zara, Dan – G10 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 e6 9. Rb1 b6 10. Nh4 e5
1969 Athene zt – Round 1 – Jansa, Vlastimil – 1-0 – Siaperas, Triantafyllos – G2 1. Nf3 Nf6 2. g3 g6 3. Bg2 d5 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 d4 8. a4 Nc6 9. Nc4 b6 10. Bd2 Bb7
1969 Hoogovens – Round 1 – Ciocaltea, Victor – 1-0 – Bredewout, Henk – G17 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 h6 9. c3 Be6 10. a3 dxe4
1969 Hoogovens – Round 12 – Hartoch, Robert G – 1/2-1/2 – Sandor, Balazs – G101 1. g3 Nf6 2. Bg2 d5 3. d3 g6 4. Nd2 Bg7 5. Ngf3 O-O 6. O-O c5 7. e4 e6 8. Re1 Nc6 9. Qe2 a5 10. Nf1 a4
1969 Moskou ch-URS – Round 1 – Stein, Leon Rico – 1-0 – Zhukhovitsky, Samuel – G200 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. c3 e6 9. Re1 b6 10. e5 Nd7
FIDE WCh KO 2000 – Round 1.4 – Lima, Darcyrcy – 1/2-1/2 – Grischuk, Alexander – G43 1. g3 d5 2. Bg2 Nf6 3. d3 g6 4. Nf3 Bg7 5. O-O O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 e5 9. c3 Re8 10. a4 h6
FIDE-Wch k.o. 1997 – Round 1.4 – Giorgadze, Giorgi – 1/2-1/2 – Bacrot, Etienne – G47 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O g6 5. d3 Bg7 6. Nbd2 O-O 7. e4 Nc6 8. c3 e5 9. Re1 h6 10. exd5 Nxd5
Qatar Masters Open 2015 – Round 1.6 – Shoker, Samy – 0-1 – Li, Chao – G43 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O d5 5. d3 O-O 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. c3 Qb6 10. h3 Rd8
World Blitz 2015 – Round 11.57 – Piorun, Kacper – 1-0 – Dlugy, Maxim – G705 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. exd5 Nxd5 9. Nc4 b6 10. a4 h6
World Blitz 2017 – Round 11.7 – Petrosian, Tigran L. – 0-1 – Wang, Hao(ZJWZ) – G599 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. c3 Bg4 9. Qc2 Qd7 10. Re1 dxe4
World Blitz 2018 – Round 11.45 – Sjugirov, Sanan – 1-0 – Huzman, Alexander – G665 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. c3 b6 9. exd5 Nxd5 10. Nc4 Bb7
World Blitz 2018 – Round 4.30 – Amin, Bassem – 0-1 – Kevlishvili, Robby – G227 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. c3 e6 9. Re1 b6 10. e5 Nd7
World Blitz 2021 – Round 10.5 – Amin, Bassem – 1/2-1/2 – Duda, Jacob – G609 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. c3 b6 9. Re1 e6 10. e5 Nd7
World Rapid 2016 – Round 12.46 – Amin, Bassem – 1-0 – Aditya Tari – G473 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 e5 9. a3 Re8 10. c3 h6
World Rapid 2021 – Round 4.49 – Shoker, Samy – 0-1 – Ivic, Velimir – G235 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 e5 9. a3 Re8 10. exd5 Nxd5

A08m — KIA +

1.Nf3 d5 2.g3 c5 3.Bg2 g6 4.O-O Bg7 5.d3 Nf6 6.Nbd2 O-O

Les coups candidats

7.e4 — 80.8% (2571 parties)

Ambassadeurs : Skeels, Jim (10x), Shoker, Samy (10x), Gaboyan, Susanna (10x), Lomakina, Galja (8x), Brotherton, Trevor S (8x), House, Glenn L (7x), Hickman, John E (6x), Arcenegui Rodrigo, José Antonio (6x)

7.c3 — 7.2% (230 parties)

Ambassadeurs : Mirumian, Vigen (3x), Lapadatu, Teodor (3x), Lornye, Pylyp (3x), Padilla, Gilbert (2x), Meera, Sai (2x), Bezuch, Martin (2x), Luz Silva, Claudio Luis Oliveira (2x), Pirosca, Alexandru (2x)

7.c4 — 6.0% (190 parties)

Ambassadeurs : Paetzold, Ortwin (3x), Daemering, Katrin (3x), Gardner, Robert (2x), Hess John (2x), Della Morte, German (2x), Sieber, Fiona (2x), Lundin, Erik (1x), Sjostam, Ake (1x)

7.Re1 — 4.4% (140 parties)

Ambassadeurs : de Wall, Robert (3x), Wall, Bill (2x), Russell Bob (2x), Zaucke, Fabian (2x), Zajtseva, Viktoriya (2x), Morin, Glenn (1x), McLellan, Joseph (1x), Suta, Mihai (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.e4	7.c3	7.c4	7.Re1
<1800	125	64%	7%	12%	11%
1800-2200	1288	79%	8%	6%	5%
2200-2600	1037	89%	5%	3%	1%
2600+	21	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.e4	7.c3	7.c4	7.Re1
1930s	2	100%	—	—	—
1940s	3	67%	—	33%	—
1950s	49	88%	8%	4%	—
1960s	61	84%	7%	10%	—
1970s	104	86%	2%	7%	3%
1980s	148	85%	9%	5%	1%
1990s	630	79%	8%	5%	6%
2000s	797	79%	7%	8%	4%
2010s	1132	80%	8%	6%	5%
2020s	257	87%	5%	3%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.e4	80%	87%	▲ +7.4%
7.c3	8%	5%	▼ -2.1%
7.c4	6%	3%	▼ -2.9%
7.Re1	5%	3%	▼ -2.0%

Joueurs célèbres

Champions du monde dans cette position

Gukesh D — 1 partie

Parties historiques

7.e4 — 80.8% (2571 parties)

1936 — Pelikán, Jiří vs Muhring, Willem Jan — 1-0 — Munich GER
1939 — Engels, Ludwig vs Rellstab, Ludwig — 0-1 — Bad Oeynhausen ch-GER
1947 — Ufimtsev, Anatoly vs Lilienthal, Andor — 1/2-1/2 — Leningrad ch-URS
1947 — Petrosian, Tigran A. vs Liublinsky, Victor — 1-0 — Moscow RUS
1950 — Tsvetkov, Alexandar K vs Richter, Emil — 1-0 — CSR-BUL Prague CZE

7.c3 — 7.2% (230 parties)

1954 — Tarasov, Vitaly vs Simagin, Vladimir — 0-1 — Riga LAT
1955 — Foldi, Jozsef vs Bilek, Istvan — 1/2-1/2 — Budapest HUN
1957 — Olexa, Vilem vs Kopriva, Jiri — 1-0 — Prague CZE
1958 — Blackstone, John vs Iwashita, James — 1-0 — San Jose, CA USA
1960 — Ammar Semi vs Benevides, Carlos — 1/2-1/2 — Fortaleza BRA

7.c4 — 6.0% (190 parties)

1946 — Lundin, Erik vs Sjostam, Ake — 0-1 — Stockholm SWE
1957 — Barreto De Oliveira, Davi Castel vs Diez del Corral, Jesus — 0-1 — Lugo
1957 — Golubev, Vladimir vs Khodakov Leonid — 0-1 — ?
1960 — Badamgarav, G. vs Blockx, Frank — 1/2-1/2 — Leipzig GER
1962 — Endara Nino vs Gilabert Helenio — 1/2-1/2 — Pichincha

7.Re1 — 4.4% (140 parties)

1971 — Suta, Mihai vs Stoica, Valentin — 0-1 — Bucharest ROU
1974 — Morin, Glenn vs McLellan, Joseph — 1-0 — Vancouver BC CAN
1977 — Schaefer de Eguia, Aik vs Kopp, Benjamin — 0-1 — corr BdF-PK
1986 — Glavina, Pablo vs Oggier Daniel — 1-0 — Neuquen ch-ARG jr
1987 — Bauer, Stephanie vs Muench, Ursula, Dr. — 1/2-1/2 — Abensberg

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