A25w — English: Closed, 5.Rb1

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte b5, case forte d5, Bg2 actif, paire de fous.
Faiblesses adverses : arriéré f7, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 3 pièces non développées (G1, C1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● d3 — Libérer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte d4, case forte e5, paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, arriéré f7, 4 pièces non développées (G8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nf6 — Développer Ng8
● ...d5 — Rupture
● ...e4 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A25w — Closed

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1

Eval: [+0.22]

Les coups candidats

5…a5 — 49.2% (1029 parties) →

Ambassadeurs : Foisor, Ovidiu-Doru (10x), Giardelli, Sergio C. (8x), Azmaiparashvili, Zurab (7x), Sunye Neto, Jaime (7x), Piket, Jeroen (7x), Lobron, Eric (6x), Lerner, Konstantin Z (6x), Drasko, Milan (6x)

5…d6 — 23.9% (500 parties)

Ambassadeurs : Liberzon, Vladimir M (4x), Urday, Henry (4x), Duncan, Chris R (4x), Hentunen, Asko (4x), Robatsch, Karl (3x), Paehtz, Thomas (3x), Hartoch, Robert G (3x), Bertok, Mario Jr. (3x)

5…f5 — 11.7% (245 parties)

Ambassadeurs : Taimanov, Mark (4x), Suba, Mihai (3x), Dairy Prasad Upadhyay (3x), Sher, Miron (3x), Liberzon, Vladimir M (2x), Korchnoi, Viktor (2x), Geller, Uzi (2x), Browne, Winifred (2x)

5…Nf6 — 8.0% (168 parties)

Ambassadeurs : Westerinen, Heikki M.J. (6x), Khomeriki, Nino (5x), Sariego Figueredo, Wilfredo (4x), Giorgadze, Giorgi Gel (4x), Tiviakov, Sergei (4x), Godena, Michele (3x), Paoli, Enrico (2x), Romanishin, Oleg M (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…a5	5…d6	5…f5	5…Nf6
<1800	10	60%	10%	10%	20%
1800-2200	400	44%	30%	9%	7%
2200-2600	1263	51%	23%	13%	8%
2600+	76	62%	11%	14%	13%

Évolution par décennie (% des parties)

Décennie	N parties	5…a5	5…d6	5…f5	5…Nf6
1950s	7	43%	29%	14%	—
1960s	76	32%	28%	11%	9%
1970s	123	37%	33%	15%	8%
1980s	259	49%	23%	11%	9%
1990s	591	51%	22%	11%	10%
2000s	511	51%	22%	12%	9%
2010s	431	49%	27%	12%	5%
2020s	92	57%	21%	12%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…a5	49%	57%	▲ +7.1%
5…d6	27%	21%	▼ -6.0%
5…f5	12%	12%	-0.1%
5…Nf6	5%	2%	▼ -3.2%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 4 parties
Smyslov, Vladimir — 3 parties
Kasparov, Garry — 3 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Karpov, Aleksandr — 1 partie
Ding, Liren — 1 partie

Parties historiques

5…a5 — 49.2% (1029 parties)

1953 — Szabo, Laszlo vs Barda, George-Alexandru — 1-0 — Bucharest ROU
1953 — Szabo, Ladislav vs Barda, Olaf — 1-0 — Bucharest ROU
1959 — Gromek, Jozef vs Blatny, Frantisek — 1-0 — Marianske Lazne
1962 — Bertok, Mario Jr. vs Bukic, Enver — 1/2-1/2 — Vrnjacka Banja SRB
1963 — Peterson, Andrejs vs Sakharov, Yuri N — 0-1 — Kiev UKR

5…d6 — 23.9% (500 parties)

1954 — Tapaszto Binet, Laszlo vs Szabo, Ladislav — 0-1 — Hungary ch
1956 — Ilivitsky, Georgy A vs Pachman, Ludek — 1/2-1/2 — Prague CZE
1960 — Wexler, Francisco vs Emma, Jaime — 1/2-1/2 — Bariloche
1961 — Haag, Ervin vs Korchnoi, Viktor — 1/2-1/2 — Budapest HUN
1962 — Alster, Ladislav vs Opocensky, Karel — 1/2-1/2 — Jablonec

5…f5 — 11.7% (245 parties)

1956 — Sajtar, Jaroslav vs Blatny, Frantisek — 1/2-1/2 — Podebrady CZE
1965 — Bertok, Mario Jr. vs Barczay, Laszlo — 1-0 — Torneo di Capodanno
1968 — Zakharov, Yan vs Liberzon, Vladimir M — 0-1 — Alma Ata ch-URS
1968 — Sakharov, Yuri N vs Savon, Vladimir A — 1/2-1/2 — Kiev UKR
1969 — Zinser, Sylvain vs Siaperas, Triantafyllos — 1/2-1/2 — Zagreb CRO

5…Nf6 — 8.0% (168 parties)

1962 — Szabo, Laszlo vs Paoli, Enrico — 1-0 — Kecskemet HUN
1963 — Hort, Vlastimil vs Novak, Zbynek — 1-0 — Prague CZE
1964 — Bertok, Mario Jr. vs Paoli, Enrico — 1-0 — Reggio Emilia ITA
1965 — Damjanovic, Marko vs Udovcic, Mijo — 1-0 — Zagreb CRO
1966 — Szilagyi, Gyorgy Laszlo vs Haag, Ervin — 1/2-1/2 — HUN

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v0), ● b5 (2v0), ● d5 (3v0)	● d4 (2v0), ● e5 (2v0)
Cases faibles	—	—
Centre	● d5 (3v0), ● e4 (2v0)	● d4 (2v0), ● e5 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Actif (mob. 6)
Bg7		● Bg7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (g1, c1, h1)	4 (g8, c8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e5-e4, ● …f7-f6, ● …f7-f5

Partie
1953 CSR Ch Prague – Round 12 – Filip, Miroslav – 1/2-1/2 – Sajtar, Jaroslav – G72 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nge7 6. e3 a5 7. Nge2 O-O 8. O-O d6 9. a3 Be6 10. Nd5 Rb8
1954 Hungary Ch – Round 1 – Tapaszto Binet, Laszlo – 0-1 – Szabo, Ladislav – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 Nge7 7. b5 Nd4 8. e3 Ne6 9. Nge2 O-O 10. O-O f5
1956 CSR Ch – Round 9 – Sajtar, Jaroslav – 1/2-1/2 – Blatny, Frantisek – G77 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 f5 6. d3 Nh6 7. e3 O-O 8. Nge2 Ne7 9. O-O Nf7 10. e4 c6
1960 Bariloche – Round 3 – Wexler, Francisco – 1/2-1/2 – Emma, Jaime – G20 1. c4 Nc6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 f5 7. e3 e4 8. d4 Nf6 9. Nge2 O-O 10. O-O Qe8
1961 Maroczy Memorial – Round ? – Haag, Ervin – 1/2-1/2 – Korchnoi, Viktor – G43 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 d6 6. b4 Nge7 7. Nd5 Be6 8. e3 Qd7 9. b5 Nd8 10. d3 O-O
1962 Asztalos Memorial 5th – Round 4 – Haag, Ervin – 1/2-1/2 – Robatsch, Karl – G30 1. g3 e5 2. c4 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 Nge7 6. b4 O-O 7. e3 d6 8. b5 Nb8 9. Nge2 Nd7 10. O-O f5
1962 Asztalos Memorial 5th – Round 9 – Szabo, Laszlo – 1-0 – Paoli, Enrico – G63 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nf6 6. b4 O-O 7. e3 Re8 8. d3 d6 9. Nge2 Qe7 10. O-O Be6
1962 CSR Ch – Round 3 – Alster, Ladislav – 1/2-1/2 – Opocensky, Karel – G18 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 Nge7 7. b5 Nd4 8. e3 Ne6 9. Nge2 O-O 10. d3 c6
1963 Capablanca Memorial – Round 13 – Barcza, Gedeon – 1-0 – Calero, Ivan – G118 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nge7 6. b4 a5 7. b5 Nd4 8. e3 Ne6 9. Nge2 O-O 10. d3 c6
1963 CSR Ch – Round 1 – Hort, Vlastimil – 1-0 – Novak, Zbynek – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nf6 6. b4 O-O 7. b5 Ne7 8. Nf3 d6 9. O-O Bf5 10. d3 Qd7
1964 Reggio Emilia ITA – Round 1 – Bertok, Mario Jr. – 1-0 – Paoli, Enrico – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nf6 6. b4 O-O 7. d3 Re8 8. e3 d6 9. Nge2 Ne7 10. Nd5 c6
1964 Tel Aviv olm prel – Round 4 – Flesch, Jean-benoit – 1-0 – Jansson, Bengt – G122 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nge7 6. b4 O-O 7. e3 d6 8. b5 Nb8 9. Nge2 c6 10. O-O Be6
1965 Novi Sad – Round 1 – Bertok, Mario Jr. – 1/2-1/2 – Damjanovic, Marko – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 Nge7 7. e3 O-O 8. b5 Na5 9. d3 a6 10. a4 Be6
1965 Novi Sad – Round 12 – Bertok, Mario Jr. – 1-0 – Leban Espinoza, Gilberto – G96 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nge7 6. b4 d6 7. e3 O-O 8. Nge2 Be6 9. Nd5 a6 10. d3 Qd7
1965 Rubinstein Memorial – Round 11 – Filipowicz, Adam – 1/2-1/2 – Acevedo Ortega, Rodrigo Andres – G47 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 Nge7 6. b4 O-O 7. e3 a5 8. a3 axb4 9. axb4 e4 10. Bxe4 Ne5
1965 Zagreb – Round 13 – Bertok, Mario Jr. – 0-1 – Damjanovic, Marko – G127 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 Nge7 7. d3 O-O 8. e3 f5 9. Nge2 g5 10. f4 gxf4
1965 Zagreb – Round 16 – Damjanovic, Marko – 1-0 – Udovcic, Mijo – G156 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. Rb1 Nf6 6. b4 O-O 7. d3 Ne7 8. e4 c6 9. Qb3 d6 10. Nge2 Be6
1966 Hungary – Round 1 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Haag, Ervin – G98 1. g3 e5 2. c4 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. Rb1 Nf6 6. b4 O-O 7. b5 Ne7 8. Nf3 d6 9. d3 Nh5 10. Nd5 Nxd5
1967 Asztalos Memorial 10th – Round 2 – Johansson, Martin 1979 – 1/2-1/2 – Damjanovic, Mato – G6 1. c4 e5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Rb1 d6 6. b4 Nge7 7. e3 a6 8. Nge2 O-O 9. O-O h6 10. d3 g5
1968 Alma Ata ch-URS – Round 10 – Zakharov, Yan – 0-1 – Liberzon, Vladimir M – G90 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 f5 6. b4 d6 7. b5 Nd4 8. e3 Ne6 9. Nge2 Nf6 10. d4 e4
1968 Lugano ol (Men) – Round 1 – Langeweg, Kick – 0-1 – Abarca Rodriguez, Keisy Dariana – G7 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nf6 6. b4 Ne7 7. b5 d6 8. a4 O-O 9. Ba3 Be6 10. Bxb7 Rb8
1968 Netanya-A – Round 7 – Hamann, Slawomir – 1/2-1/2 – Troianescu, Octav – G36 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nge7 6. b4 d6 7. e3 O-O 8. Nge2 Bf5 9. d3 Qc8 10. h3 Bd7
1968 ROM Ch – Round 11 – Troianescu, Octav – 1/2-1/2 – Ungureanu, Emil – G60 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 Bf5 7. d3 Qd7 8. b5 Nd8 9. Bd2 Ne7 10. h4 h6
1968 URS Team Ch – Round 1 – Sakharov, Yuri G. – 1/2-1/2 – Klovans, Janis – G5 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 f5 7. b5 Nd4 8. e3 Ne6 9. Nge2 Nf6 10. d4 e4
1969 Hastings6970 – Round 2 – Timman, Jan H – 0-1 – Drimer, Dolfi – G6 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nge7 6. b4 O-O 7. e3 a6 8. Nge2 d6 9. O-O Bf5 10. d3 Qd7
1969 Hastings6970 – Round 4 – Smyslov, Vladimir – 1-0 – David Levy – G15 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 f5 7. b5 Nce7 8. e3 Nf6 9. d4 e4 10. Nge2 O-O
1969 IBM I – Round 12 – Hartoch, Robert G – 1/2-1/2 – Liberzon, Vladimir M – G44 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 f5 6. b4 d6 7. e3 Nf6 8. Nge2 e4 9. d4 exd3 10. Bxc6+ bxc6
1969 IBM I – Round 5 – Hartoch, Robert G – 1/2-1/2 – Gheorghiu, Florin – G20 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 Bf5 7. d3 Qd7 8. e3 Nge7 9. h3 O-O 10. Nge2 h6
1969 Liberation – Round 8 – Ivkov, Borislav – 1/2-1/2 – Bukic, Enver – G35 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 f5 7. b5 Nce7 8. e3 Nf6 9. Nge2 O-O 10. O-O g5
1969 Luhacovice – Round 3 – Smejkal, Jakub – 0-1 – Drimer, Dolfi – G30 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nge7 6. e3 O-O 7. b4 d6 8. b5 Na5 9. d3 Be6 10. Nd5 a6
1969 Stary Smokovec – Round 11.1 – Ujtelky, Maximilian – 0-1 – Hoelzl, Franz – G44 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 f5 7. h4 Nf6 8. d3 O-O 9. Bd2 f4 10. gxf4 exf4
1969 WchT U26 fin-A 16th – Round 7.3 – Hartston, William R – 1/2-1/2 – Ljubojevic, Ljubomir – G50 1. g3 g6 2. Bg2 Bg7 3. c4 e5 4. Nc3 Nc6 5. Rb1 d6 6. b4 f5 7. b5 Nce7 8. d3 Nf6 9. f4 exf4 10. gxf4 d5
1969 Zagreb – Round 12 – Zinser, Sylvain – 1/2-1/2 – Siaperas, Triantafyllos – G81 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 f5 6. e3 d6 7. Nge2 Nf6 8. b4 e4 9. d4 exd3 10. Qxd3 Ne5
1970 IBM – Round 11 – Hartoch, Robert G – 0-1 – Spassky, Boris V. – G10 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 d6 6. b4 f5 7. b5 Nce7 8. e3 Nf6 9. d4 e4 10. Nge2 Be6
43. Olympiad 2018 – Round 8.2 – Aronian, Levon – 1/2-1/2 – Duda, Jan-Krzysztof – G517 1. c4 e5 2. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 f5 7. b5 Nce7 8. d3 Nf6 9. e3 O-O 10. Nge2 g5
Bugojno 1982 – Round 13 – Huebner, Robert – 1-0 – Ivkov, Borislav – G68 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 f5 6. b4 Nf6 7. d3 O-O 8. e3 Ne7 9. Qb3 Kh8 10. b5 d6
Bugojno 1986 – Round 5 – Karpov, Anatoly – 1-0 – Ljubojevic, Ljubomir – G28 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nf6 6. e3 O-O 7. Nge2 d6 8. b4 Be6 9. b5 Na5 10. d3 a6
FIDE World Cup 2015 – Round 2.2 – Ivanchuk, Vasyl – 1/2-1/2 – Rodshtein, Maxim – G232 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 d6 6. b4 f5 7. d3 Nf6 8. Bg5 Nd4 9. Nd5 O-O 10. Nf3 Ne6
Interpolis 1980 – Round 1 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris V. – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nf6 6. b4 O-O 7. b5 Ne7 8. Qb3 d6 9. d3 Nd7 10. Nf3 a6
Lucerne 1985 – Round 1 – Suba, Mihai – 0-1 – Korchnoi, Viktor – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 f5 6. d3 Nf6 7. e3 O-O 8. Nge2 d6 9. b4 a6 10. a4 a5
SportAccord Blitz Men 2012 – Round 13.5 – Radjabov, Teimour – 1-0 – Ding, Liren – G99 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Nc6 5. Rb1 d6 6. e3 f5 7. Nge2 Nf6 8. d4 e4 9. h4 O-O 10. Nf4 Ne7
World Blitz 2023 – Round 2.2 – Brunello, Sabino – 0-1 – Artemiev, Vladislav – G91 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 Nf6 6. b4 O-O 7. b5 Ne7 8. e4 c6 9. Nge2 d5 10. bxc6 bxc6
World Cup 1988 – Round 1 – Ljubojevic, Ljubomir – 1-0 – Nunn, John D M – G86 1. g3 e5 2. c4 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. Rb1 d6 6. b4 a6 7. d3 Bg4 8. b5 axb5 9. cxb5 Na5 10. Nd5 Nf6
World Rapid 2016 – Round 1.11 – Aronian, Levon – 1-0 – Mchedlishvili, Mikheil – G3 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 f5 6. b4 Nf6 7. b5 Ne7 8. e3 O-O 9. Nge2 d6 10. O-O g5
Yerevan ol (Men) 1996 – Round 11 – Psakhis, Lev – 1-0 – Wang, Zili – G156 1. c4 e5 2. g3 Nc6 3. Nc3 g6 4. Rb1 Bg7 5. Bg2 Nf6 6. d3 a5 7. Nf3 d6 8. Bg5 h6 9. Bxf6 Bxf6 10. a3 O-O

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