A08g — Reti: KIA, 2…c5 3.Bg2 Nf6 4.O-O
1.Nf3 d5 2.g3 c5 3.Bg2 Nf6 4.O-O * ● Trait aux Noirs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Atouts. Les Blancs s'appuient sur la paire de fous.
Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.
En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).
Plans. Nbd2 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4).
Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.
En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).
Plans. Nbd2 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Atouts. Les Noirs s'appuient sur les cases fortes e4 et g4 et la paire de fous.
Côté adverse. Les fous enfermés en c1 et g2.
En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).
Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...Bd6 (Développer Bf8) ; ...c4 (Rupture).
Côté adverse. Les fous enfermés en c1 et g2.
En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).
Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...Bd6 (Développer Bf8) ; ...c4 (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 (2v0), ● g4 (2v0) |
| Cases faibles | — | — |
| Centre | ● e5 (1v0) | ● d5 (2v0), ● e4 (2v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 0) | |
| Bg2 | ● Bg2 Enfermé (mob. 2) | |
| Bc8 | ● Bc8 Non développé (mob. 5) | |
| Bf8 | ● Bf8 Non développé (mob. 0) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 3 (b1, c1, a1) | 5 (b8, c8, f8, a8, h8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Roqué | ● Au centre ! |
| Droits de roque | — | O-O / O-O-O |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | semi-ouvert | |
| Ruptures | ● c2-c3, ● d2-d3, ● e2-e3 | ● …c5-c4, ● …d5-d4, ● …e7-e6, ● …e7-e5 |
| Partie |
|---|
| ? 2000 – Round ? – Movsesian, Sergei – 1-0 – Mikhailuk, Slava – G115 1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. e4 Nc6 8. Qe2 b5 9. Re1 Bb7 10. e5 Nd7 |
| 1933 Trebitsch Memorial 16th – Round 10 – Palme, Rudolf – 0-1 – Gruenfeld, Ernst – G47 1. g3 d5 2. Bg2 Nf6 3. Nf3 c5 4. O-O e6 5. d3 Nc6 6. Na3 Be7 7. c4 O-O 8. b3 e5 9. cxd5 Nxd5 10. Bb2 f6 |
| 1938 USA Ch – Round 7 – Santasiere, Anthony – 1-0 – Fine, Reuben – G19 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O e6 5. d4 Qb6 6. e3 Nc6 7. b3 Be7 8. Bb2 cxd4 9. exd4 O-O 10. Nbd2 Bd7 |
| 1944 Mar del Plata – Round 6 – Iliesco, Juan – 0-1 – Michel, Pascal – G57 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O e6 5. d4 Be7 6. dxc5 Bxc5 7. c4 Nc6 8. Nc3 O-O 9. Bg5 d4 10. Ne4 Be7 |
| 1948 JUG Ch – Round 8 – Udovcic, Mijo – 1/2-1/2 – Andric, Dragoslav – G39 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d4 cxd4 6. Nxd4 e5 7. Nf3 Nc6 8. c4 d4 9. e3 Bg4 10. exd4 e4 |
| 1949 Budapest-Moscow – Round 16 – Barcza, Gedeon – 1/2-1/2 – Flohr, Salo – G116 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O e6 5. d4 cxd4 6. Nxd4 Bc5 7. c4 O-O 8. Nb3 Bb6 9. Nc3 dxc4 10. Qxd8 Rxd8 |
| 1949 Budapest-Moscow – Round 3 – Barcza, Gedeon – 0-1 – Kotov Lundqvist, Alex – G21 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O e6 5. d4 cxd4 6. Nxd4 Bc5 7. c4 O-O 8. Nb3 Bb6 9. cxd5 Nxd5 10. Na3 Nc6 |
| 1949 Hastings4950 – Round 5 – Szabo, Ladislav – 1-0 – Winser, William Arthur – G23 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. c4 O-O 8. cxd5 Nxd5 9. Nc3 Nxc3 10. bxc3 Na6 |
| 1949 Oldenburg – Round 11 – Rossolimo, Nicolas – 1-0 – Tautvaisas, Povilas – G38 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O e6 5. d4 Be7 6. b3 O-O 7. Bb2 Nc6 8. dxc5 Bxc5 9. Nbd2 Be7 10. e3 b6 |
| 1949 Zagreb ch YUG – Round 14 – Gligoric, Svetozar – 1/2-1/2 – Simonovic, Borko – G28 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O e6 5. d4 cxd4 6. Nxd4 Bc5 7. c4 O-O 8. Nb3 Bb6 9. Nc3 dxc4 10. Qxd8 Rxd8 |
| 1949 Zagreb ch YUG – Round 3 – Pirc, Vasja – 1/2-1/2 – Simonovic, Borko – G6 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O e6 5. d4 cxd4 6. Nxd4 Bc5 7. Nb3 Bb6 8. N1d2 Nc6 9. c4 O-O 10. e3 Qe7 |
| 1950 Szczawno Zdroj – Round 17 – Zita, Frantisek – 0-1 – Pytlakowski, Andrzej – G10 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d4 cxd4 6. Nxd4 Bc5 7. Nc3 Nc6 8. Nxc6 bxc6 9. Na4 Bd6 10. c4 O-O |
| 1951 BCF Ch 38th – Round 10.4 – Tylor, Theodore Henry – 1-0 – Ritson-Morry, William – G36 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O g6 5. d4 Bg7 6. dxc5 Qa5 7. Nc3 Qxc5 8. Be3 Qa5 9. Nd4 O-O 10. Qd2 Nc6 |
| 1951 Sopot – Round 9 – Plater, Kazimierz – 1-0 – Gadalinski, Jan – G53 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d3 b6 6. e4 Bb7 7. exd5 Bxd5 8. Nc3 Bb7 9. d4 Nbd7 10. Bf4 a6 |
| 1955 Ljubljana – Round 14 – Pirc, Vasja – 1-0 – Persitz, Raaphi – G126 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O g6 5. c4 d4 6. b4 cxb4 7. d3 Bg7 8. a3 bxa3 9. Nxa3 O-O 10. Nc2 Nc6 |
| 1956 Moscow olm prel – Round 3 – Larsen, Benjamin Holsko – 0-1 – Fairhurst, William – G106 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 Nc6 8. Nc3 e6 9. Bf4 e5 10. Bg5 d4 |
| 1960 AUS Ch – Round 11 – Ozols, Karlis – 0-1 – Purdy, Cecil J S – G49 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O e6 5. b3 Nc6 6. Bb2 Bd6 7. d3 O-O 8. Nbd2 e5 9. e4 Re8 10. h3 Rb8 |
| 1968 Buenos Aires – Round 5 – Wexler, Bernardo – 1/2-1/2 – Quinteros, Miguel A. – G26 1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. O-O e5 5. d3 Nc6 6. e4 d4 7. c3 Bg4 8. h3 Bh5 9. g4 Bg6 10. cxd4 cxd4 |
| 1971 Hoogovens – Round 1 – Danov, Kiril – 0-1 – Van Scheltinga, Theo – G241 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O e6 5. d4 cxd4 6. Nxd4 Bc5 7. Nb3 Bb6 8. c4 Nc6 9. cxd5 Nxd5 10. e4 Ndb4 |
| 30. Leon GM 2017 – Round 2.5 – So, Wesley – 1-0 – Anand, Viswanathan – G15 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. c4 dxc4 6. Qa4+ Bd7 7. Qxc4 Qb6 8. Nc3 Bg7 9. d3 O-O 10. Be3 Rc8 |
| 8. Norway Chess 2020 – Round 3.3 – Firouzja, Alireza – 1/2-1/2 – Caruana, Fabiano – G9 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 Nc6 8. Nc3 e6 9. e4 O-O 10. exd5 Nxd5 |
| 9. London Classic 2017 – Round 1.4 – Nakamura, Hikaru – 1/2-1/2 – Anand, Viswanathan – G4 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 Nc6 8. Nc3 e6 9. e4 d4 10. Na4 O-O |
| 9. Sinquefield Cup 2022 – Round 7.3 – Vachier-Lagrave, Maxime – 1/2-1/2 – Niemann, Hans Moke – G30 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. c4 O-O 8. cxd5 Nxd5 9. Nb3 Nb4 10. Nc3 N8c6 |
| EU Team Ch 1980 – Round 6 – Portisch, Lajos – 1/2-1/2 – Ljubojevic, Ljubomir – G18 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. c4 O-O 8. cxd5 Nxd5 9. Nc3 Nxc3 10. bxc3 Na6 |
| FIDE Grand Swiss 2025 – Round 1 – Bluebaum Matthias – 1/2-1/2 – Predke Alexandr – G32 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. h3 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 b5 10. Bd3 b4 |
| FIDE Grand Swiss 2025 – Round 3 – Grandelius Nils – 0-1 – Aditya Mittal – G151 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Re8 8. h3 h6 9. Bf4 c5 10. Nf3 Nc6 |
| FIDE Grand Swiss 2025 – Round 3 – Korobov Anton – 1/2-1/2 – Grischuk Alexander – G163 1. d4 Nf6 2. c4 g6 3. g3 c5 4. Nf3 Bg7 5. Bg2 cxd4 6. Nxd4 O-O 7. O-O d5 8. cxd5 Nxd5 9. Nc3 Nxc3 10. bxc3 Nc6 |
| FIDE World Rapid Championship 2025 – Round 9 – Gukesh D – 0-1 – Abdusattorov Nodirbek – G164 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. c4 Bg7 6. d4 cxd4 7. Nxd4 O-O 8. cxd5 Nxd5 9. Nb3 Nb4 10. Nc3 N8c6 |
| GCT Rapid Paris 2021 – Round 9.2 – Rapport, Richard – 1/2-1/2 – Caruana, Fabiano – G41 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d3 Nc6 6. Na3 e5 7. e4 d4 8. Nc4 Qc7 9. a4 Be6 10. b3 O-O-O |
| GCT Rapid YourNextMove 2017 – Round 1.3 – Giri, Anish – 1/2-1/2 – Anand, Viswanathan – G3 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. c4 Bg7 6. Qa4+ Bd7 7. Qb3 dxc4 8. Qxc4 Qb6 9. Ne5 Be6 10. Qa4+ Nbd7 |
| Lindores Abbey Tal Memorial 2021 – Round 14.33 – Saric, Ivan – 0-1 – Sethuraman, S.P. – G614 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 Nc6 8. Nc3 e6 9. e4 d4 10. Nb5 e5 |
| Lugano Open 1982 – Round ? – Simic, Radoslav K – 1/2-1/2 – Korchnoi, Viktor – G12 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O g6 5. c3 Bg7 6. d4 Qb6 7. Qb3 O-O 8. dxc5 Qxc5 9. Qa3 Qxa3 10. Nxa3 Nc6 |
| Superbet Rapid 2019 – Round 1.4 – Artemiev, Vladislav – 0-1 – Anand, Viswanathan – G4 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 Nc6 8. Nc3 e6 9. a4 O-O 10. a5 Re8 |
| SuperUnited Blitz 2023 – Round 9.3 – Rapport, Richard – 0-1 – Caruana, Fabiano – G43 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. c4 Bg7 6. Qa4+ Nc6 7. Ne5 Qd6 8. Nxc6 bxc6 9. cxd5 Nxd5 10. Nc3 O-O |
| SuperUnited Rapid 2023 – Round 1.3 – Firouzja, Alireza – 1/2-1/2 – Anand, Viswanathan – G3 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. c4 Bg7 6. Qa4+ Bd7 7. Qb3 dxc4 8. Qxc4 Qb6 9. Ne5 Be6 10. Qa4+ Nbd7 |
| Tashkent FIDE GP 2014 – Round 3.2 – Karjakin, Sergey – 1-0 – Jakovenko, Dmitry – G14 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 O-O 8. Nc3 e6 9. e4 dxe4 10. Nxe4 Nxe4 |
| Tata Steel India Blitz 2018 – Round 16.3 – Praggnanandhaa R – 0-1 – Vidit, Santosh Gujrathi – G78 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 Nc6 8. Nc3 e6 9. e4 Nxe4 10. Nxe4 dxe4 |
| World Blitz 2019 – Round 19.58 – Vastrukhin, Oleg – 1-0 – Gajewski, Grzegorz – G1304 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O g6 5. c3 Bg7 6. d4 Nbd7 7. Bf4 O-O 8. a4 b6 9. a5 Bb7 10. Ne5 Nxe5 |
| World Blitz 2021 – Round 8.30 – Donchenko, Alexander – 1-0 – Salem, A.R. Saleh – G465 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d4 cxd4 6. Nxd4 e5 7. Nf3 Nc6 8. c4 d4 9. e3 Be7 10. exd4 exd4 |
| World Blitz 2022 – Round 13.11 – Harikrishna, Pentala – 1/2-1/2 – Anton Guijarro, David – G673 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d4 cxd4 6. Nxd4 e5 7. Nf3 e4 8. Nd4 Be7 9. c4 dxc4 10. Nb5 O-O |
| World Blitz 2022 – Round 2.9 – Grischuk, Alexander – 1/2-1/2 – Anton Guijarro, David – G124 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. b3 Nc6 6. d4 cxd4 7. Nxd4 Bd7 8. Bb2 Be7 9. c4 dxc4 10. bxc4 Rc8 |
| World Blitz 2022 – Round 5.24 – Andreikin, Dmitry – 1/2-1/2 – Anton Guijarro, David – G248 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d3 Nc6 6. a4 Be7 7. Bf4 h6 8. e4 O-O 9. e5 Nh7 10. Re1 b6 |
| World Blitz 2022 – Round 5.30 – Daneshvar, Bardiya – 1/2-1/2 – Keymer, Vincent – G252 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O e6 5. d4 cxd4 6. Nxd4 e5 7. Nb3 Be6 8. e4 dxe4 9. Qxd8+ Kxd8 10. Nc3 Nc6 |
| World Rapid 2021 – Round 6.10 – Vachier-Lagrave, Maxime – 0-1 – Volokitin, Andrei – G322 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O g6 5. c4 Bg7 6. cxd5 Nxd5 7. Qc2 Qa5 8. Nc3 Nb4 9. Qd1 c4 10. b3 Nd5 |
| Zurich Korchnoi CC Blitz 2017 – Round 6.1 – Svidler, Peter – 1/2-1/2 – Anand, Viswanathan – G21 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O g6 5. c4 Bg7 6. cxd5 Nxd5 7. Nc3 O-O 8. Nxd5 Qxd5 9. d4 cxd4 10. Be3 Nc6 |













Anand, Viswanathan — 10 parties
Gukesh D — 9 parties
Ding, Liren — 7 parties
Tal, Mikhail — 4 parties
Kramnik, Vladimir — 4 parties
Carlsen, Magnus — 3 parties
Smyslov, Vladimir — 2 parties
Hou, Yifan — 2 parties
Euwe, Max — 1 partie
Kasparov, Garry — 1 partie
1931 — Bolbochan, J. vs Holtey, Guillermo — 1/2-1/2 — Buenos Aires ARG
1936 — Menchik, Vera vs Foltys, Jan — 0-1 — Podebrady CZE
1937 — Pelikan, Jan vs Foltys, Jan — 1/2-1/2 — Prague CZE
1941 — Iliesco, Juan vs Magee Ruiz, Marc-andrew — 1-0 — Buenos Aires ARG
1933 — Palme, Rudolf vs Gruenfeld, Ernst — 0-1 — Vienna AUT
1936 — Lisitsin, Georgy vs Sokolsky, Alexey — 0-1 — Moscow RUS
1938 — Santasiere, Anthony vs Fine, Reuben — 1-0 — New York, NY USA
1942 — Iliesco, Juan vs Michel, Pascal — 1/2-1/2 — Mar del Plata ARG
1940 — Van Scheltinga, Theo vs Euwe, Max — 0-1 — Amsterdam NED
1948 — Henneberke, Frans vs Rossolimo, Nicolas — 1/2-1/2 — Beverwijk NED
1949 — Szabo, Ladislav vs Winser, William Arthur — 1-0 — Hastings ENG
1949 — Batuev, Anton vs Fridstein, German — 1-0 — Moscow RUS
1987 — Pigusov, Evgeny vs Andonov, Bogomil — 1-0 — Sochi RUS
2001 — Doncheva, Marinela vs Plachkinova, Tatjana — 0-1 — Plovdiv BUL
2002 — Attard Compagno, Kevin vs Osolin, Bojan — 0-1 — ?
2003 — Vucenovic, Dragomir vs Perk, Egbert — 1-0 — Bad Zwischenahn