A07o — Reti: KIA

1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Attaque sur le roi adverse resté au centre.

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

Côté adverse. Le fou enfermé en f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur les cases fortes e4 et g4, un fou actif en f5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou f8 et les tours a8 et h8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	—
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Enfermé (mob. 2)
Bf5		● Bf5 Actif (mob. 9)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	4 (● b8, ● 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	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d5-d4, ● …e7-e6, ● …e7-e5

Partie
? 2000 – Round ? – Speelman, Jon S – 1/2-1/2 – Lakdawala, Cyrus – G123 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. O-O h6 6. c4 c6 7. Nc3 Nbd7 8. cxd5 exd5 9. a3 Be7 10. b4 O-O
1927 Moskou ch-URS – Round 12 – Romanovsky, Pjotr – 0-1 – Duz-Khotimirsky, Fedor Ivanovich – G33 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. b3 Nbd7 5. Bb2 e6 6. O-O Bd6 7. c4 c6 8. Na3 h6 9. cxd5 cxd5 10. Nb5 Be7
1936 Mar del Plata – Round 5 – Concepcion Villegas, Bryan Uriel – 0-1 – Fenoglio, Virgilio – G40 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O h6 5. c4 c6 6. b3 e6 7. Bb2 Nbd7 8. d3 Be7 9. Nbd2 O-O 10. Rc1 Qb6
1937 Kemeri – Round ? – Mikenas, Vladas – 0-1 – Bergs, Teodors – G180 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. b3 Bd6 6. Bb2 Nbd7 7. d4 Qe7 8. c4 c6 9. Qc1 O-O 10. Nh4 Be4
1937 Kemeri – Round 1 – Mikenas, Vladas – 0-1 – Berg, Terje Jensen – G109 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. b3 Bd6 6. Bb2 Nbd7 7. d4 Qe7 8. c4 c6 9. Qc1 O-O 10. Nh4 Be4
1937 Margate – Round 3 – Menchik, Vera Frantsevna – 1/2-1/2 – Milner Barry, Philip – G14 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O Nbd7 5. d3 c6 6. c4 e6 7. h3 h6 8. Nc3 Qc7 9. cxd5 exd5 10. Nd4 Bh7
1939 Bad Oeynhausen ch-GER – Round 1 – Eliskases, Erich – 1/2-1/2 – Lokvenc, Josef – G21 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. b3 e6 5. Bb2 Bc5 6. O-O O-O 7. d3 h6 8. e3 c6 9. Qe2 Nbd7 10. Nbd2 Qe7
1939 Bad Oeynhausen ch-GER – Round 5 – Lange, Wilfried – 1-0 – Ernst, Wilhelm – G40 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 Nc6 5. Nbd2 Qd7 6. h3 h6 7. c4 e6 8. O-O g5 9. Qe1 g4 10. hxg4 Bxg4
1942 Mar del Plata – Round 16 – Iliesco, Juan – 0-1 – Pilnik, Herman – G137 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. Nh4 Bg6 5. d3 e6 6. O-O c6 7. Nxg6 hxg6 8. e4 Nbd7 9. Be3 Qa5 10. h3 dxe4
1943 Mar del Plata – Round 1 – Iliesco, Juan – 0-1 – Guimard, Carlos E – G15 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. Nh4 Be4 5. f3 Bg6 6. d4 e6 7. O-O c5 8. Nxg6 hxg6 9. c3 Nc6 10. Be3 cxd4
1944 La Plata Jockey Club – Round 6 – Iliesco, Juan – 0-1 – Rossetto, Hector – G8 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 h6 5. O-O e6 6. Nfd2 Nbd7 7. Nc3 c6 8. e4 Bg4 9. Ne2 Bc5 10. Qe1 O-O
1944 Mar del Plata – Round 1 – Pelikan, Jan – 1/2-1/2 – Maderna, Carlos – G21 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 Bd6 7. Bb2 Nbd7 8. d3 Qe7 9. Nh4 Bg6 10. a3 a5
1944 Mar del Plata – Round 1 – Pelikan, Jorge – 1/2-1/2 – Maderna, Carlos – G20 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 Bd6 7. Bb2 Nbd7 8. d3 Qe7 9. Nh4 Bg6 10. a3 a5
1944 Mar del Plata – Round 13 – Pelikan, Jan – 1/2-1/2 – Garcia Vera, Romeo – G106 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 Nbd7 6. Nc3 c6 7. d4 Bd6 8. Nh4 Bg4 9. cxd5 cxd5 10. Qd3 O-O
1946 Hastings4647 – Round 8 – Prins, Laura – 0-1 – Tartakower, Savielly – G37 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. Qb3 Qc8 7. d3 Nbd7 8. cxd5 exd5 9. Nc3 Be7 10. Nd4 Nc5
1946 Maastricht – Round 5 – Prins, Laura – 1-0 – Euwe, Max – G24 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O Nbd7 5. c4 c6 6. cxd5 cxd5 7. Nc3 e6 8. Qa4 a6 9. d3 b5 10. Qc2 Rc8
1946 Staunton Memorial – Round 11 – Tartakower, Savielly – 1/2-1/2 – Smyslov, Vladimir – G20 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. b3 c5 6. d4 Nc6 7. Bb2 Qb6 8. e3 cxd4 9. Nxd4 Be4 10. Nd2 Bxg2
1947 BRA Ch – Round 12 – De Freitas, Marcio Elisio – 1-0 – Peixoto Carlos – G20 1. Nf3 d5 2. g3 Bf5 3. Bg2 Nf6 4. O-O h6 5. d4 e6 6. c4 Be7 7. Qb3 Qc8 8. Nc3 c6 9. Bf4 Nbd7 10. Rac1 dxc4
1947 Mar del Plata – Round 4 – Iliesco, Juan – 0-1 – Euwe, Max – G41 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. d4 Nbd7 6. Nh4 Bg4 7. h3 Bh5 8. c4 e6 9. cxd5 cxd5 10. Nc3 Bd6
1948 Bad Gastein – Round 13 – Palme, Rudolf – 1/2-1/2 – Beni, Alfred – G100 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. Qb3 Qb6 7. Qxb6 axb6 8. d3 dxc4 9. dxc4 Bxb1 10. Rxb1 Rxa2
1948 Bad Nauheim – Round ? – Hoenlinger, Baldur – 1/2-1/2 – Troeger, Paul – G37 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. Nh4 Be4 5. f3 g5 6. fxe4 gxh4 7. e5 Ne4 8. d3 Nc5 9. d4 Ne4 10. Bxe4 dxe4
1948 Bad Nauheim – Round 10 – Hoenlinger, Baldur – 1-0 – Roehrich, Erwin – G16 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. Nh4 Bg4 5. h3 Bh5 6. d4 e6 7. c4 c6 8. Qb3 Qc8 9. Nc3 Bd6 10. cxd5 cxd5
1948 Mar del Plata – Round 15 – Eliskases, Erich – 1/2-1/2 – Rossetto, Hector – G127 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 c6 5. Nbd2 Qc8 6. h3 h6 7. b3 Nbd7 8. Bb2 e6 9. c4 Be7 10. O-O O-O
1948 Mar del Plata – Round 8 – De Freitas, Manuela Schmitz – 1-0 – Sanguinetti, Ricardo – G70 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O c6 5. b3 e6 6. Bb2 h6 7. d3 Nbd7 8. Nbd2 Bc5 9. e4 dxe4 10. dxe4 Bh7
1949 Budapest-Moscow – Round 7 – Barcza, Gedeon – 0-1 – Smyslov, Vladimir – G53 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 Nbd7 6. b3 Be7 7. Nc3 c6 8. Bb2 h6 9. d3 O-O 10. cxd5 exd5
1949 BUL Ch – Round 12 – Hinkov, Stefan – 0-1 – Padevsky, Nikola – G62 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. b3 e6 5. Bb2 Bd6 6. c4 h5 7. Nc3 c6 8. d3 Nbd7 9. O-O Ne5 10. cxd5 exd5
1949 Mar del Plata – Round 1 – Eliskases, Erich – 1-0 – Flores Alvarez, Rodrigo – G28 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 h6 5. b3 e6 6. Bb2 Bd6 7. O-O Nbd7 8. c4 c6 9. cxd5 cxd5 10. e4 Bg4
1949 Mar del Plata – Round 1 – Iliesco, Juan – 0-1 – Czerniak, Magdalena – G26 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 Nbd7 7. Bb2 h6 8. d3 Bd6 9. Nc3 O-O 10. e4 Bh7
1949 Mar del Plata – Round 11 – Eliskases, Erich – 1-0 – Blanco Cruz, Wara – G103 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. b3 Nbd7 5. Bb2 e6 6. O-O Bd6 7. c4 c6 8. d3 h6 9. Nc3 Qe7 10. cxd5 cxd5
1949 Mar del Plata – Round 5 – Iliesco, Juan – 1/2-1/2 – Gentil Le Roux, Loevan – G57 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. O-O c6 6. b3 Be7 7. d3 h6 8. Bb2 Nbd7 9. Nbd2 O-O 10. a3 Qc7
1949 Oldenburg – Round 7 – Rossolimo, Nicolas – 1-0 – Wade, Robert G – G19 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 dxc4 5. Na3 g6 6. Nxc4 Bg7 7. Qb3 O-O 8. Qxb7 Be4 9. Qb3 Nc6 10. O-O Nd5
1949 Oldenburg – Round 7 – Rossolimo, Nicolas – 1-0 – Wade, Robert G – G25 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 dxc4 5. Na3 g6 6. Nxc4 Bg7 7. Qb3 O-O 8. Qxb7 Be4 9. Qb3 Nc6 10. O-O Nd5
1949 Southsea – Round 9 – Wallis, Philip N – 0-1 – Tartakower, Savielly – G28 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O c6 5. b3 Nbd7 6. Bb2 e6 7. Nc3 Be7 8. Qe1 h6 9. d3 O-O 10. e4 Bh7
1949 Zagreb ch YUG – Round 19 – Bozic, Aleksandar – 1/2-1/2 – Milic, Borislav – G43 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O Nc6 5. c4 e6 6. b3 Be7 7. Bb2 Qd7 8. d3 h6 9. Nbd2 O-O 10. Qc2 Rfd8
1950 Dubrovnik olm – Round 1 – Ojanen, Kaarle S – 1-0 – Rossolimo, Nicolas – G46 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O Nbd7 5. d3 e5 6. Nbd2 Bc5 7. c4 c6 8. cxd5 cxd5 9. d4 exd4 10. Nb3 Bb6
1950 Dubrovnik olm – Round 13 – Pirc, Vasja – 1-0 – Pedersen, Ebbe – G200 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. O-O c6 6. b3 Bd6 7. Bb2 Nbd7 8. d3 Qe7 9. Nbd2 h5 10. cxd5 cxd5
1950 Dubrovnik olm – Round 5 – Mueller, Hans – 1/2-1/2 – Niemi, Reino – G70 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 dxc4 5. Qa4+ c6 6. Qxc4 Nbd7 7. O-O e6 8. d3 Be7 9. b3 O-O 10. Bb2 a5
1950 HUN-ch06 – Round 1 – Sandor, Bela – 1/2-1/2 – Koberl, Ferenc – G65 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. O-O Nbd7 6. Nc3 c6 7. b3 Be7 8. Bb2 O-O 9. Nh4 d4 10. Nxf5 exf5
1950 Mar del Plata – Round 11 – Pirc, Vasja – 0-1 – Maderna, Carlos – G96 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 h6 7. Bb2 Nbd7 8. d3 Be7 9. Nc3 O-O 10. Re1 Bh7
1950 NLD Ch Amsterdam NED – Round 1 – Henneberke, Frans – 0-1 – Stumpers, Louis – G12 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. Nbd2 Nbd7 7. c4 c6 8. b3 Bc5 9. Bb2 O-O 10. Qe1 Bh7
1951 Hungary Ch – Round 1 – Hajtun, Jozsef – 0-1 – Koberl, Ferenc – G88 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. b3 e6 5. Bb2 Nbd7 6. O-O c6 7. c4 h6 8. Nc3 Be7 9. d4 O-O 10. Nd2 Qc7
1952 Havana – Round 17 – Abad Gonzalez, Jose Miguel – 1/2-1/2 – Eliskases, Erich – G134 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. cxd5 exd5 7. d3 Bc5 8. Nc3 O-O 9. Qc2 Na6 10. a3 Re8
1952 Helsinki olm – Round 1 – Sajtar, Jaroslav – 1/2-1/2 – Milner Barry, Philip – G293 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. O-O Nbd7 6. d3 c6 7. b3 Bc5 8. Bb2 Qe7 9. Qc2 h6 10. Nc3 O-O
1952 Miedzyzdroje – Round 13 – Milev, Zdravko – 1/2-1/2 – Bobotsov, Milko G – G86 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. b3 Nbd7 7. Bb2 Be7 8. Nbd2 O-O 9. c4 c6 10. Rc1 Bh7
1953 AUS Ch – Round 4 – Ozols, Karlis – 1/2-1/2 – Steiner, Lajos – G3 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 Qc8 5. c4 dxc4 6. Qa4+ c6 7. Qxc4 h6 8. Nc3 Nbd7 9. Bf4 Nb6 10. Qb3 Be6
1953 Candidats Tournament – Round 10 – Petrosian, Tigran V – 1-0 – Euwe, Max – G65 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 e6 5. Nbd2 h6 6. O-O Bc5 7. Qe1 O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. dxe4 Bh7
1953 Candidats Tournament – Round 18 – Smyslov, Vladimir – 1-0 – Euwe, Max – G119 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O Nbd7 5. d3 c6 6. Nbd2 h6 7. e4 dxe4 8. dxe4 Nxe4 9. Nd4 Nxd2 10. Bxd2 Bh7
1953 Hastings ch-BCF – Round 1 – Davey, S. – 1/2-1/2 – Wallis, Philip N – G17 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 Nc6 5. Nbd2 Qd7 6. c4 d4 7. b4 Nxb4 8. Ne5 Qd6 9. Qa4+ c6 10. Ndf3 Bd7
1954 DDR Ch 05th – Round 12 – Platz, Hans – 1-0 – Kirchhammer, Rudolf – G67 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 h6 7. e4 dxe4 8. dxe4 Bh7 9. Qe2 Nbd7 10. e5 Nd5
1954 Kiev ch-URS – Round 1 – Livshin, Iosif – 0-1 – Flohr, Salo – G156 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. Nbd2 Nc6 7. c4 Be7 8. b4 Bxb4 9. Rb1 O-O 10. Qa4 Bxd2
1954 Kiev ch-URS – Round 1 – Nezhmetdinov, Rashid – 1-0 – Geller, Efim P – G157 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nc3 O-O 7. Nh4 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nxg6 hxg6
1954 Montevideo – Round 17 – Horberg, Bengt-Eric – 0-1 – Bernstein, Olivia – G128 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. O-O c6 6. b3 Nbd7 7. Bb2 Be7 8. d3 h6 9. Nbd2 O-O 10. Re1 Bh7
1954 URS Ch sf – Round 5 – Ljavdansky, Vladimir – 1/2-1/2 – Mikenas, Vladas – G11 1. g3 Nf6 2. Bg2 d5 3. Nf3 Bf5 4. d3 e6 5. Nbd2 h6 6. O-O Be7 7. Re1 O-O 8. b3 a5 9. a4 Nbd7 10. e4 Bh7
1955 Argentina – Round 11 – Alcaraz Suarez, Juan Camilo – 0-1 – Corte, Cesar J – G80 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. O-O Bc5 6. Nbd2 h6 7. c4 c6 8. b4 Bxb4 9. Rb1 Qe7 10. Qb3 Na6
1955 Argentina – Round 4 – Wexler, Francisco – 1/2-1/2 – Maderna, Carlos – G30 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O h6 5. d3 e6 6. Nbd2 Nc6 7. c4 Be7 8. b3 O-O 9. Bb2 a5 10. a3 Bh7
1955 Argentina – Round 9 – Najdorf, Miguel – 1-0 – Corte, Cesar J – G68 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Bc5 6. Nbd2 h6 7. e4 dxe4 8. dxe4 Nxe4 9. Nh4 Nxf2 10. Rxf2 Bxf2+
1955 Gothenburg Interzonal – Round 19 – Filip, Marius Liviu – 1/2-1/2 – Geller, Efim P – G184 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. O-O Nbd7 6. b3 Be7 7. Bb2 O-O 8. Nc3 c6 9. d3 e5 10. e4 dxe4
1955 Long Beach US-open – Round 9 – Saidy, Anthony – 1/2-1/2 – Rossolimo, Nicolas – G50 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. Qe1 h6 8. e4 Bh7 9. e5 Nfd7 10. h4 c5
1955 Manhattan CC Ch 5556 – Round 10 – Lombardy, William J – 1-0 – Schroeder, Marc – G47 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. O-O Nbd7 6. Nbd2 Be7 7. Qe1 e5 8. e4 dxe4 9. dxe4 Be6 10. Qe2 c6
1955 USSR – Round 1 – Krogius, Nikolai V – 1/2-1/2 – Estrin, Yakov – G2 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O c6 5. d3 h6 6. Nbd2 Bh7 7. c4 e6 8. b3 Nbd7 9. Bb2 Be7 10. Rc1 O-O
1956 Moscow olm fin-B – Round 1 – Barda, Olaf – 0-1 – Noradounghian, Georges – G11 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 c6 7. Qe1 h6 8. e4 dxe4 9. dxe4 Bh7 10. Qe2 O-O
1956 Moscow olm fin-B – Round 5 – Boey, Josef – 1/2-1/2 – Busek, Hans – G54 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. Qe1 c6 8. e4 dxe4 9. dxe4 Bg6 10. Ne5 Nbd7
1956 New York – Round 1 – Shainswit, George – 0-1 – Bisguier, Arthur B – G5 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Bc5 6. Nbd2 Nbd7 7. Qe1 O-O 8. e4 Bg4 9. h3 Bh5 10. Nb3 Bb6
1956 Oklahoma City Open – Round 1 – Fischer, Raphael – 1/2-1/2 – Gross, Hans-Joachim – G7 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Bc5 6. Nbd2 Nc6 7. a3 a5 8. Qe1 Bg6 9. e4 dxe4 10. Nxe4 Nxe4
1957 Leningrad Ch – Round 13 – Shamkovich, Leonid – 1-0 – Estrin, Yakov – G101 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. d3 h6 6. Nc3 Bh7 7. Nd2 Nbd7 8. e4 dxe4 9. dxe4 e5 10. Nc4 Qc7
1957 Minsk zt – Round 10 – Ostrauskas, A – 1/2-1/2 – Vistaneckis, Isakas – G71 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. b3 e6 5. Bb2 Be7 6. O-O O-O 7. d3 a5 8. a4 h6 9. Nbd2 Nbd7 10. h3 c6
1957 URS Ch sf – Round 19 – Cherepkov, Alexander V – 0-1 – Zhukhovitsky, Samuel – G19 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. c4 c6 7. Qb3 Qc8 8. cxd5 exd5 9. e4 dxe4 10. dxe4 Be6
1957 URS Ch, semi final – Round 1 – Blagidze, Alexander – 1/2-1/2 – Sokolsky, Alexey – G12 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. Nbd2 c6 7. b3 Be7 8. Bb2 O-O 9. c4 Bh7 10. Rc1 Nbd7
1958 HUN Ch 13th – Round 13 – Barcza, Gedeon – 0-1 – Portisch, Lajos – G115 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. Qb3 Qc8 6. Nc3 c6 7. d4 Be7 8. Bf4 Ne4 9. O-O Nd7 10. Ne1 Nxc3
1958 Munich olm fin-B – Round 7 – Kramer, Haije – 0-1 – Portisch, Lajos – G71 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. Nbd2 Nc6 7. c4 Be7 8. cxd5 exd5 9. Nb3 Qd7 10. Be3 Bh3
1958 Portoroz Interzonal – Round 15 – Filip, Marius Liviu – 1-0 – Neikirkh, Oleg – G145 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. Qb3 Qc8 6. Nc3 c6 7. d3 Be7 8. Bf4 Nbd7 9. cxd5 exd5 10. Qc2 Nc5
1959 Asztalos Memorial – Round 2 – Soos, Bela – 1-0 – Neikirkh, Oleg – G9 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. O-O Nbd7 6. b3 Be7 7. Bb2 O-O 8. d3 c6 9. Nh4 Bg4 10. h3 Bh5
1959 FRG Ch Nuerenberg GER – Round 7 – Bialas, Wolfram – 1-0 – Hinne, Jobst – G24 1. Nf3 d5 2. g3 Bf5 3. Bg2 Nf6 4. O-O e6 5. d3 Nbd7 6. Nbd2 Bc5 7. a3 a5 8. Nb3 Be7 9. Bd2 c6 10. Nbd4 Bg4
1959 GDR Ch Leipzig GER – Round 8 – Pietzsch, Wolfgang – 1/2-1/2 – Weber, Bernd, Dr. – G40 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. b3 Nbd7 5. Bb2 c6 6. O-O e6 7. c4 Bd6 8. Nc3 O-O 9. d3 Qe7 10. Re1 Bg4
1959 HUN Ch 15th – Round 12 – Bilek, Istvan – 1/2-1/2 – Portisch, Lajos – G42 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Nbd7 6. Nc3 h6 7. Qe1 Bh7 8. Bf4 Bd6 9. Bd2 O-O 10. Nb5 Be7
1959 New York ch-USA – Round 10 – Ault, Robin – 0-1 – Bisguier, Arthur B – G57 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O Nbd7 5. d4 c6 6. Nbd2 e6 7. c3 h6 8. b3 Be7 9. Bb2 O-O 10. Ne5 a5
1959 Quilmes – Round 10 – Emma, Jaime – 0-1 – Luckis, Marcos – G60 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. O-O Be7 6. b3 h6 7. Bb2 Nbd7 8. d3 O-O 9. Na3 c6 10. Nc2 Bh7
1959 UKR Ch – Round 11 – Feldman, Steven – 0-1 – Geller, Efim P – G87 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 Nbd7 7. Bb2 Bd6 8. d4 O-O 9. Nbd2 h6 10. Ne1 b5
1959 UKR Ch – Round 16 – Stein, Leonid – 0-1 – Geller, Efim P – G122 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 Nbd7 7. Bb2 Bc5 8. d4 Be7 9. Nbd2 O-O 10. Ne5 Nxe5
1959 York ch-BCF – Round 11 – Cafferty, Bernard – 1/2-1/2 – Aitken, James – G131 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. Qb3 Qc8 6. cxd5 exd5 7. Nc3 c6 8. d3 Be7 9. O-O O-O 10. Re1 Na6
1960 Leipzig olm prel – Round 5 – Magnusson, Olafur – 0-1 – Portisch, Lajos – G188 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. c4 c6 7. Nbd2 Nbd7 8. b3 Bc5 9. Bb2 O-O 10. d4 Bd6
1960 New York ch-USA – Round 6 – Kalme, G. – 1/2-1/2 – Sherwin, James T – G27 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. c4 c6 7. Nbd2 Be7 8. b3 O-O 9. Bb2 Bh7 10. Re1 Nbd7
1960 Olympiad prel III – Round 9 – Lundin, Erik – 1/2-1/2 – Portisch, Lajos – G69 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. Nbd2 Nc6 7. c4 Be7 8. cxd5 exd5 9. Nb3 Qd7 10. Bf4 O-O
1961 Balcarce – Round 1 – Behrensen, Jorge – 0-1 – Rossetto, Hector – G30 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. d3 Nbd7 6. Nbd2 e6 7. Nh4 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nxg6 hxg6
1961 Bled – Round 19 – Olafsson, Fridrik – 1-0 – Portisch, Lajos – G169 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 h6 6. c4 c6 7. cxd5 exd5 8. Nc3 Be7 9. Nd4 Bh7 10. e4 O-O
1961 Debrecen – Round 6 – Haag, Ervin – 1-0 – Banfalvi, Sander – G42 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 h6 5. c4 c6 6. Qb3 Bc8 7. O-O e6 8. Bf4 Bd6 9. Bxd6 Qxd6 10. Nc3 Nbd7
1961 Mar del Plata – Round 12 – Reinhardt, Enrique – 0-1 – Letelier Martner, Rene – G106 1. Nf3 d5 2. g3 Bf5 3. Bg2 Nf6 4. O-O c6 5. b3 Nbd7 6. c4 e6 7. Bb2 Be7 8. d3 O-O 9. Nc3 h6 10. Qc2 Bh7
1961 Mar del Plata – Round 14 – Wexler, Bernardo – 0-1 – Rossetto, Hector – G122 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. b3 e6 6. Bb2 Nbd7 7. d3 Bc5 8. c4 O-O 9. Nc3 a5 10. Qc2 Qe7
1961 Mar del Plata – Round 8 – Letelier Martner, Rene – 0-1 – Rossetto, Hector – G75 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. b3 Nbd7 6. Bb2 Qc7 7. c4 e6 8. d3 Be7 9. Nbd2 O-O 10. Re1 a5
1961 Moscow Ch – Round 5 – Volovich, Anatoly – 1/2-1/2 – Bykhovsky, Anatoly A – G20 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 Nbd7 7. Bb2 h6 8. d4 Be7 9. Nc3 O-O 10. Re1 Bh7
1961 Oberhausen etc – Round 1 – Forintos, Gyozo V – 1-0 – Clemens, Christian, Dr. – G56 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. O-O c6 6. cxd5 exd5 7. d3 Be7 8. Nbd2 O-O 9. Nh4 Bg4 10. h3 Be6
1962 Argentina – Round 1 – Bielicki, Carlos – 0-1 – Abad Garcia, Gonzalo – G21 1. g3 d5 2. Bg2 Nf6 3. Nf3 Bf5 4. d3 e6 5. Nbd2 Bc5 6. O-O O-O 7. Nh4 Bg4 8. h3 Bh5 9. Qe1 Nc6 10. c3 Nd7
1962 Hungary – Round 6 – Honfi, K. – 1/2-1/2 – Bilek, Istvan – G51 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. d3 c6 6. Nbd2 h6 7. O-O Be7 8. b3 O-O 9. Bb2 Bh7 10. Rc1 Nbd7
1962 IBM – Round 1 – Dunkelblum, Arthur – 0-1 – Czerniak, Magdalena – G13 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 Nbd7 6. Nc3 c6 7. d3 h6 8. Qe1 Be7 9. e4 Bh7 10. Qe2 O-O
1962 Mar del Plata – Round 14 – Bielicki, Carlos – 1-0 – Letelier Martner, Rene – G120 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. Nh4 Bg6 8. Nxg6 hxg6 9. c3 Nbd7 10. e4 c6
1962 Reggio Emilia ITA – Round 4 – Fleischmann Claus – 0-1 – Langeweg, Kick – G16 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 c6 5. c3 e6 6. Qb3 Qc8 7. Bf4 h6 8. h3 Nbd7 9. Nbd2 Be7 10. g4 Bg6
1963 FRG Ch – Round 14 – Kohl, Werner – 1-0 – Troeger, Paul – G38 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O Qc8 5. Re1 e6 6. c4 Bc5 7. d4 Bb4 8. Nc3 O-O 9. a3 Be7 10. Bf4 c6
1963 FRG Ch – Round 6 – Bialas, Wolfram – 1-0 – Hinne, Jobst – G14 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. Qb3 Qc8 6. Nc3 c6 7. d4 Be7 8. O-O O-O 9. Bf4 Nbd7 10. Rac1 dxc4
1963 FRG Ch 07th – Round 5 – Besser, Hans – 1-0 – Troeger, Paul – G14 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 Qc8 5. c4 dxc4 6. Qa4+ Nbd7 7. Qxc4 Nb6 8. Qb3 Be6 9. Qc2 h6 10. O-O c6
1963 FRG Ch Bad Pyrmont GER – Round 3 – Besser, Hans – 1/2-1/2 – Eisinger, Max Jr – G6 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Bc5 6. c4 c6 7. Nbd2 h6 8. b3 Nbd7 9. Bb2 O-O 10. Nh4 Bh7
1963 Nt Helmbrechts GER – Round 3 – Clemens, Christian, Dr. – 1-0 – Hinne, Jobst – G13 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O Nbd7 5. d3 e6 6. Nbd2 Bc5 7. Re1 Bxf2+ 8. Kh1 Bxe1 9. Qxe1 O-O 10. e4 dxe4
1963 POL Ch 20th – Round 7 – Plater, Kazimierz – 1-0 – Porebski, Stanislav – G45 1. g3 d5 2. Nf3 Nf6 3. Bg2 Bf5 4. O-O h6 5. d3 e6 6. Nfd2 c6 7. e4 dxe4 8. dxe4 Bh7 9. Nc3 Nbd7 10. Qe2 Be7
1964 Bordeaux Open Bordeaux FRA – Round 1 – Darga, Klaus – 1-0 – Rolland, Pierre – G7 1. g3 d5 2. Nf3 Nf6 3. Bg2 Bf5 4. O-O Nbd7 5. d3 c6 6. Nbd2 e6 7. Qe1 Be7 8. e4 dxe4 9. dxe4 Bg4 10. Nc4 O-O
1964 Budapest ch-HUN – Round 1 – Hajtun, Jozsef – 1/2-1/2 – Szily, Jozsef – G171 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d4 Nbd7 6. b3 c6 7. Bb2 Be7 8. Nbd2 Qa5 9. Qc1 Ne4 10. Nxe4 Bxe4
1964 Chigorin Memorial – Round 11 – Lein, Anatoly – 1-0 – Ujtumen, Tudev – G75 1. g3 d5 2. Nf3 Bf5 3. Bg2 Nf6 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. Qe1 h6 8. e4 Bh7 9. Qe2 c5 10. Ne5 Nc6
1964 Tel Aviv olm fin-A – Round 1 – Flesch, Jean-benoit – 0-1 – Spiridonov, Nik. – G21 1. g3 d5 2. Nf3 Nf6 3. Bg2 Bf5 4. d3 e6 5. O-O h6 6. Nbd2 c6 7. Qe1 Be7 8. e4 dxe4 9. dxe4 Bh7 10. e5 Nd5
1965 Hoogovens-B – Round 8 – Gereben, Erno – 1-0 – Crabbendam, Rico – G12 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O Qc8 5. Re1 Bh3 6. Bh1 h5 7. c4 h4 8. cxd5 hxg3 9. hxg3 Nxd5 10. Nc3 c6
1965 USSR – Round 1 – Etruk, Rein T – 0-1 – Klovans, Janis – G30 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. b3 h6 6. Bb2 e6 7. c4 Be7 8. cxd5 exd5 9. d3 O-O 10. Nbd2 Nbd7
1966 Oberhausen ol women – Round 4 – Lazarevic, Milunka – 1/2-1/2 – Gresser, Gisela Kahn – G21 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 e6 5. O-O Be7 6. c4 c6 7. Nbd2 Nbd7 8. b3 h6 9. Bb2 O-O 10. Re1 Qb6
1967 Jerusalem Wch junior – Round 7 – Balshan, Amikam – 1-0 – Huebner, Robert – G11 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 h6 5. O-O Nbd7 6. b3 e6 7. Bb2 c6 8. Nbd2 Bc5 9. e4 dxe4 10. dxe4 Bh7
1967 Maribor – Round 11 – Reshevsky, Samuel – 1/2-1/2 – Zinn, M. – G63 1. g3 d5 2. Bg2 Nf6 3. Nf3 Bf5 4. d3 h6 5. O-O e6 6. c4 c6 7. cxd5 exd5 8. Nd4 Bg6 9. e4 dxe4 10. dxe4 Bc5
1967 Maribor – Round 14 – Pirc, Vasja – 0-1 – Reshevsky, Samuel – G81 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 h6 7. Qe1 O-O 8. e4 Bh7 9. Qe2 c5 10. b3 Nc6
1967 OWL Ch – Round 6 – Pirc, Vasja – 1/2-1/2 – Huebner, Robert – G14 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. b3 Nbd7 7. d3 h6 8. Bb2 Bc5 9. Nc3 O-O 10. Qc2 Bh7
1967 URS-ch35 – Round 1 – Kholmov, Ratmir D – 1-0 – Bagirov, Vladimir – G93 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. b3 e6 6. Bb2 h6 7. c4 Be7 8. d3 O-O 9. Nbd2 a5 10. a3 Bh7
1967 URS-ch35 – Round 1 – Zheliandinov, Viktor – 0-1 – Klovans, Janis – G97 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 e6 5. O-O h6 6. c4 c6 7. cxd5 exd5 8. Nc3 Be7 9. Nd4 Bh7 10. e4 O-O
1967 Zinnowitz – Round 1 – Spiridonov, Nikola – 0-1 – Sliwa, Bogdan – G23 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. Qb3 Na6 6. d3 c6 7. Qxb7 Nc5 8. Qxc6+ Nfd7 9. cxd5 Rc8 10. d4 Ne4
1968 Budapest – Round 1 – Dely, Peter – 1/2-1/2 – Kluger, Carsten – G69 1. g3 d5 2. Nf3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 h6 7. e4 dxe4 8. Ne5 Nbd7 9. dxe4 Bh7 10. Nxd7 Qxd7
1968 Hungary – Round 1 – Vadasz, Laszlo – 0-1 – Farago, Ivan – G153 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. Qb3 Qc8 6. Nc3 c6 7. O-O Nbd7 8. d4 h6 9. Bf4 Be7 10. Rac1 O-O
1968 Prague U26 – Round 10 – Novacek, Josef – 1/2-1/2 – Kupka, Slavoj – G43 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O h6 5. c4 c6 6. b3 e6 7. Bb2 Nbd7 8. d3 Be7 9. Nbd2 O-O 10. Re1 Bh7
1969 FRG Team Ch – Round 3.4 – Bialas, Wolfram – 1/2-1/2 – Budrich, Edmund – G17 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. Qb3 Qc8 6. Nc3 c6 7. O-O Nbd7 8. d4 Qc7 9. Nh4 Bg6 10. cxd5 exd5
1969 Schwerin – Round 4 – Golz, Werner – 1/2-1/2 – Baumbach, Friedrich, Dr. – G47 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Bc5 6. Qe1 Nbd7 7. b4 Be7 8. Na3 h6 9. c4 c6 10. cxd5 cxd5
1969 Sweden – Round 1 – Jansson, Borje – 1/2-1/2 – Bergman Olsson, Eleonora – G71 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. b3 h6 6. Bb2 Nbd7 7. d3 Bc5 8. Nbd2 O-O 9. e3 a5 10. a4 Qe7
1969 Zalaegerszeg – Round 5 – Flesch, Janos – 1-0 – Zinn, Lothar – G15 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. O-O Be7 6. Nbd2 h6 7. b3 O-O 8. Bb2 a5 9. a4 c5 10. Ne5 Na6
1975 URS Team Ch – Round 1 – Zilberman, Nathan R – 0-1 – Kakageldyev, Amanmurad – G577 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. b3 Be7 6. Bb2 h6 7. c4 c6 8. d3 O-O 9. Nbd2 a5 10. a3 Na6
41. Olympiad Open 2014 – Round 6.10 – Giri, Anish – 1/2-1/2 – Moradiabadi, Elshan – G394 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. cxd5 exd5 6. O-O c6 7. d3 Be7 8. Qb3 Qb6 9. Qc2 Na6 10. Nc3 O-O
42. Olympiad 2016 – Round 10.3 – Kramnik, Vladimir – 1-0 – Adhiban, B. – G726 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. d3 e6 6. Nh4 Bg4 7. h3 Bh5 8. Qe1 Be7 9. f4 Nfd7 10. Nf3 f5
Amber Blindfold 1999 – Round 1 – Shirov, Alexei – 1-0 – Van Wely, Loek – G6 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 e6 5. O-O h6 6. c4 c6 7. Be3 dxc4 8. dxc4 Qxd1 9. Rxd1 Nbd7 10. Nc3 Ng4
FIDE World Blitz Championship 2014 – Round 2.9 – Svidler, Peter – 1/2-1/2 – Naiditsch, Arkadij – G16 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. c4 e6 5. cxd5 exd5 6. d3 c6 7. Qb3 Qb6 8. Qc2 Be7 9. O-O O-O 10. Nc3 Na6
GCT Blitz YourNextMove 2018 – Round 8.3 – Vachier-Lagrave, Maxime – 1/2-1/2 – Aronian, Levon – G38 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. cxd5 cxd5 7. Qb3 Qb6 8. Qxb6 axb6 9. d3 Nc6 10. Nc3 Bc5
PCA Qualifiers 1993 – Round 11 – Nijboer, Friso – 1/2-1/2 – Van Wely, Loek – G184 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 e6 5. O-O h6 6. Nbd2 Be7 7. Qe1 c5 8. e4 Bh7 9. Ne5 O-O 10. f4 Qc7
SportAccord Blitz Men 2013 – Round 23.2 – Karjakin, Sergey – 1-0 – Dominguez Perez, Leinier – G175 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 c6 5. Nh4 Bg6 6. Nxg6 hxg6 7. Nd2 e6 8. O-O Nbd7 9. e4 Be7 10. Qe2 Qc7
World Blitz 2016 – Round 19.43 – Howell, David W L – 1-0 – Tregubov, Pavel V. – G767 1. g3 d5 2. Nf3 Nf6 3. Bg2 Bf5 4. O-O c6 5. d3 e6 6. b3 Be7 7. Bb2 O-O 8. Nbd2 h6 9. c4 a5 10. a3 c5
World Blitz 2017 – Round 1.37 – Pantsulaia, Levan – 1-0 – Tregubov, Pavel V. – G29 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. Qb3 Nc6 6. d3 Rb8 7. O-O Be7 8. Nc3 d4 9. Nb1 e5 10. Bg5 O-O
World Blitz 2017 – Round 16.43 – Meier, Georg – 1-0 – Tregubov, Pavel V. – G850 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. c4 c6 6. cxd5 exd5 7. d3 Na6 8. a3 Be7 9. Nbd2 O-O 10. b4 Nc7
World Blitz 2017 – Round 9.35 – Duda, Jan-Krzysztof – 1/2-1/2 – Naiditsch, Arkadij – G473 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. c4 c6 6. cxd5 exd5 7. O-O Be7 8. Qc2 O-O 9. Nc3 Na6 10. a3 d4

A07o — KIA

1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5

Les coups candidats

4.O-O — 51.7% (3867 parties)

Ambassadeurs : Piesik, Piotr (17x), Avedisian, Alexander (12x), Rossetto, Hector (9x), Ost-Hansen, Jacob (8x), Bauza, Alejandro (8x), Seidens, Udo (8x), Gutman, Lev (8x), Mannion, Stephen R (8x)

4.c4 — 21.5% (1610 parties)

Ambassadeurs : Kirov, Nino (10x), Barcza, Gedeon (9x), Weindl, Alfred (9x), Pigusov, Evgeny (7x), Dizdar, Goran (7x), Romanishin, Oleg M (7x), Ianov, Viktor (7x), Petrosian, Arshak B (6x)

4.d3 — 20.9% (1560 parties)

Ambassadeurs : Van Wely, Loek (8x), Gutman, Lev (7x), Lengyel, Bela (7x), Espig, Lutz (6x), Bilek, Istvan (5x), Chandler, Murray G (5x), D'Amore, Carlo (5x), Bunzmann, Dimitrij (4x)

4.b3 — 3.0% (226 parties)

Ambassadeurs : Podgaets, Mikhail (3x), Wunder, Stefan (3x), Espig, Lutz (3x), Hinkov, Stefan (2x), Eliskases, Erich (2x), Horvat Vogel, Jakob (2x), Siegel, Georg (2x), Kuijf, Marinus (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.O-O	4.c4	4.d3	4.b3
<1800	266	53%	13%	28%	2%
1800-2200	2662	50%	20%	23%	3%
2200-2600	3021	53%	25%	17%	4%
2600+	70	50%	37%	10%	3%

Évolution par décennie (% des parties)

Décennie	N parties	4.O-O	4.c4	4.d3	4.b3
1860s	1	—	100%	—	—
1920s	2	—	—	—	100%
1930s	9	44%	22%	22%	11%
1940s	50	40%	40%	6%	6%
1950s	111	54%	31%	12%	3%
1960s	131	51%	27%	19%	2%
1970s	224	48%	22%	23%	6%
1980s	479	47%	27%	22%	4%
1990s	1195	49%	19%	25%	4%
2000s	1813	51%	17%	25%	4%
2010s	2594	53%	22%	20%	2%
2020s	867	58%	25%	12%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.O-O	53%	58%	▲ +5.0%
4.c4	22%	25%	▲ +3.2%
4.d3	20%	12%	▼ -7.4%
4.b3	2%	2%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 8 parties
Ju, Wenjun — 6 parties
Euwe, Max — 4 parties
Gukesh D — 3 parties
Tal, Mikhail — 2 parties
Kramnik, Vladimir — 2 parties
Kasparov, Garry — 1 partie
Karpov, Aleksandr — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

4.O-O — 51.7% (3867 parties)

1936 — Concepcion Villegas, Bryan Uriel vs Fenoglio, Virgilio — 0-1 — Mar del Plata ARG
1937 — Mikenas, Vladas vs Bergs, Teodors — 0-1 — Kemeri LAT
1937 — Mikenas, Vladas vs Berg, Terje Jensen — 0-1 — Kemeri LAT
1937 — Menchik, Vera Frantsevna vs Milner Barry, Philip — 1/2-1/2 — Margate ENG
1944 — Pelikan, Jorge vs Maderna, Carlos — 1/2-1/2 — Mar del Plata ARG

4.c4 — 21.5% (1610 parties)

1861 — Navarovszky vs Lengyel, Agnes — 1-0 — ?
1938 — Konstantinopolsky, Alexander vs Verlinsky, Boris — 0-1 — Kiev UKR
1938 — Levitas, B vs Alatortsev, Vladimir N. — 0-1 — Leningrad RUS
1940 — Morris, Hazel vs Donovan, Jack — 1/2-1/2 — Ventnor City
1941 — Santasiere, Anthony vs Fine, Reuben — 0-1 — Hamilton

4.d3 — 20.9% (1560 parties)

1939 — Lange, Wilfried vs Ernst, Wilhelm — 1-0 — Bad Oeynhausen ch-GER
1939 — Eliskases, Erich vs Bauza, Lorenzo — 0-1 — Montevideo URU
1944 — Iliesco, Juan vs Rossetto, Hector — 0-1 — La Plata Jockey Club
1948 — Eliskases, Erich vs Rossetto, Hector — 1/2-1/2 — Mar del Plata ARG
1949 — Eliskases, Erich vs Flores Alvarez, Rodrigo — 1-0 — Mar del Plata ARG

4.b3 — 3.0% (226 parties)

1927 — Romanovsky, Pjotr vs Duz-Khotimirsky, Fedor Ivanovich — 0-1 — Moskou ch-URS
1927 — Romanovski P. vs Duz-Hotimirski F. — 0-1 — Moscow RUS
1939 — Eliskases, Erich vs Lokvenc, Josef — 1/2-1/2 — Bad Oeynhausen ch-GER
1949 — Hinkov, Stefan vs Padevsky, Nikola — 0-1 — Sofia BUL
1949 — Hinkov, Stefan vs Ganchev, Vladimir — 1-0 — Sofia BUL

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