A12f — English: Bled Variation

1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 g6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte e5, Bb2 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bf1 enfermé, 4 pièces non développées (B1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nc3 — Développer Nb1
● h3 — Empêcher ...Bg4
● d3 — Protéger e4, libérer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, case forte g4, case forte f5, avant-poste f5(F), paire de fous.
Faiblesses adverses : Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Bd6 — Développer Bf8
● ...c5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A12f — Bled Variation

1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 g6

Eval: [+0.24]

Les coups candidats

5.g3 — 63.3% (362 parties)

Ambassadeurs : Cortlever, Nico (3x), Franco Ocampos, Zenon (3x), Anton Guijarro, David (3x), Pulpan, Jakub (3x), Avila Bautista, Roberto Al (3x), Koenig, Imre (2x), Hecker, Erwin (2x), Ivkov, Borislav (2x)

5.e3 — 23.3% (133 parties)

Ambassadeurs : Porath, Yosef (2x), Alekhine, Alexander (2x), Flohr, Salo (2x), Levenfish, Grigory (2x), Bogdanovic, Radivoje (2x), Pihlajasalo, Antti (2x), Parameswaran, Tiruchi N. (2x), Dzagnidze, Nana (2x)

5.cxd5 — 7.2% (41 parties)

Ambassadeurs : Giffard, Nicolas (2x), Punga, Franklin (1x), Ali Beck, Bishr (1x), Aguilar Morales, Hansel (1x), Ocampo Vargas, Raul (1x), Preissmann, Emmanuel (1x), Filguth, Rubens Alberto (1x), Segal, Alexandru Sorin (1x)

5.d3 — 3.1% (18 parties)

Ambassadeurs : Ditt, Egon (1x), Mudelsee, Manfred, Dr. (1x), Davcevski, Dusan (1x), Stojanovski, Icko (1x), Blatny, Pavel (1x), Brychta, Ivan (1x), Grathwohl, Roland (1x), Schmidt, Stefan II (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.g3	5.e3	5.cxd5	5.d3
<1800	12	25%	42%	—	8%
1800-2200	201	69%	18%	8%	1%
2200-2600	255	60%	25%	8%	5%
2600+	12	58%	33%	8%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.g3	5.e3	5.cxd5	5.d3
1920s	3	—	100%	—	—
1930s	8	62%	38%	—	—
1940s	10	60%	20%	10%	—
1950s	10	70%	30%	—	—
1960s	18	61%	33%	—	—
1970s	22	59%	41%	—	—
1980s	23	70%	13%	17%	—
1990s	72	68%	19%	4%	6%
2000s	122	62%	24%	7%	4%
2010s	216	62%	22%	8%	4%
2020s	68	68%	19%	10%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.g3	62%	68%	▲ +6.1%
5.e3	22%	19%	▼ -3.1%
5.cxd5	8%	10%	▲ +2.0%
5.d3	4%	0%	▼ -4.2%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 2 parties
Ju, Wenjun — 1 partie

Parties historiques

5.g3 — 63.3% (362 parties)

1931 — Kostic, Boris vs Spielmann, Rudolf — 1/2-1/2 — Bled SLO
1935 — Kolnhofer, Josef vs Glass, Eduard — 0-1 — Vienna AUT
1936 — Weil, Wolfgang vs Pogorielly — 1-0 — Muenchen
1936 — Bruckner Josef vs ? — 1-0 — Vienna AUT
1936 — Keres, Paul Petrovich vs Steiner, Lajos — 1-0 — Muenchen ol

5.e3 — 23.3% (133 parties)

1927 — Fiore, Mario Angelo vs Rosselli del Turco, Stefano — 0-1 — Naples ITA
1929 — Alekhine, Alexander vs Factor, Samuel D — 1/2-1/2 — Chicago, IL USA
1929 — Alekhine, Alexander vs Factor Ellison — 1/2-1/2 — Chicago, IL USA
1931 — Lisitsin, Georgy vs Budo, Alexander Semenovich — 1/2-1/2 — Moskou ch-URS
1935 — Bluemich, Max vs Rellstab, Ludwig — 1-0 — GER ch Bad Aachen

5.cxd5 — 7.2% (41 parties)

1949 — Punga, Franklin vs Ali Beck, Bishr — 1/2-1/2 — Darmstadt
1983 — Giffard, Nicolas vs Preissmann, Emmanuel — 1-0 — Belfort FRA
1985 — Aguilar Morales, Hansel vs Ocampo Vargas, Raul — 1/2-1/2 — Cam.Nac.Cerrado
1985 — Filguth, Rubens Alberto vs Segal, Alexandru Sorin — 1/2-1/2 — BRA-ch 52th Brasilia BRA
1986 — Ranniku, Maaja vs Kinsigo, Mari — 0-1 — Tallinn women

5.d3 — 3.1% (18 parties)

1990 — Ditt, Egon vs Mudelsee, Manfred, Dr. — 1/2-1/2 — GER
1990 — Blatny, Pavel vs Brychta, Ivan — 1-0 — Brno CZE
1993 — Davcevski, Dusan vs Stojanovski, Icko — 0-1 — Macedonia ch
1994 — Grathwohl, Roland vs Schmidt, Stefan II — 1-0 — GER
2001 — Badmatsyrenov, Oleg vs Rumiantsev, Anton — 1-0 — Smolensk RUS

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, b3→c4	● c6→d5, b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● e5 (2v0)	● e4 (2v0), ● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (3v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bb2	● Bb2 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, f1, a1, h1)	5 (b8, 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	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e2-e3	● …c6-c5, ● …d5-d4, ● …e7-e6, ● …e7-e5

Partie
1931 Bled – Round 1 – Kostic, Boris – 1/2-1/2 – Spielmann, Rudolf – G133 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. d3 Re8 9. Nbd2 e5 10. cxd5 Nxd5
1935 Vienna – Round 1 – Kolnhofer, Josef – 0-1 – Glass, Eduard – G20 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. d3 Qb6 8. O-O dxc4 9. dxc4 Rd8 10. Qc1 Na6
1946 Londen II – Round 1 – Koenig, Imre – 1/2-1/2 – Newman Caceres, Reynaldo Adolfo – G8 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 g6 5. g3 Bg7 6. Bg2 Qb6 7. Qc1 O-O 8. O-O a5 9. Nc3 Nbd7 10. Na4 Qd8
1947 Schlechter Memorial – Round 3 – Lokvenc, Josef – 1/2-1/2 – Galia, Karl – G10 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6 5. d4 Bg7 6. e3 Nbd7 7. Nc3 O-O 8. Be2 Re8 9. cxd5 cxd5 10. O-O a6
1948 South Fallsburg ch-USA – Round 1 – Kramer, Gerald – 1-0 – Shipman, Walter – G133 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. d3 Re8 9. Nbd2 e5 10. cxd5 Nxd5
1951 Mar del Plata zt – Round 11 – Vasconcellos, Fernando O – 0-1 – Camara Dantas, Gabriel Diniz – G108 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Bg4 8. d3 Qc8 9. Re1 Bh3 10. Bh1 h6
1953 Budapest ch-HUN – Round 1 – Rethy, Pal – 1/2-1/2 – Szily, Jozsef – G30 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 b6 9. d3 Bb7 10. Re1 e6
1954 Mar del Plata – Round 15 – Eliskases, Erich – 1/2-1/2 – Maderna, Carlos – G117 1. Nf3 Nf6 2. b3 d5 3. Bb2 g6 4. c4 c6 5. g3 Bg7 6. Bg2 O-O 7. O-O a5 8. d3 Na6 9. Nbd2 Bd7 10. a3 Rc8
1954 OWL Ch – Round 11 – Hecker, Erwin – 1-0 – Werner, Stephan – G11 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 dxc4 7. bxc4 O-O 8. O-O Be6 9. Qc2 Na6 10. d4 Qc8
1954 Zonal – Round 11 – Dunkelblum, Arthur – 0-1 – Golombek, Harry – G19 1. Nf3 Nf6 2. b3 d5 3. Bb2 g6 4. c4 c6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 Re8 9. d4 Nf8 10. Nbd2 Bf5
1960 Ljubljana – Round 14 – Matulovic, Milan – 1/2-1/2 – Ciric, Dragoljub M – G93 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. d3 Re8 9. Nbd2 e5 10. cxd5 cxd5
1962 Poznan ch POL – Round 4 – Doda, Zbigniew – 1/2-1/2 – Grabczewski, Romuald – G25 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 b6 9. d3 Bb7 10. Re1 e6
1966 US Open – Round 12 – Zalys, Ignas – 1-0 – Holzinger, Robert – G79 1. Nf3 Nf6 2. c4 g6 3. b3 c6 4. Bb2 d5 5. g3 Bg7 6. Bg2 O-O 7. O-O Bf5 8. d3 Nbd7 9. Qc2 Re8 10. Nd4 e5
1968 Skopje/Ohrid – Round 17 – Ilievski, Borce – 1/2-1/2 – Wade, Robert G – G147 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O b5 8. Na3 a6 9. d3 Bb7 10. Rc1 dxc4
1969 Amsterdam AMRO Open – Round ? – Van Scheltinga, Theo – 1-0 – Cortlever, Nico – G1 1. c4 c6 2. Nf3 Nf6 3. b3 g6 4. Bb2 d5 5. g3 Bg7 6. Bg2 O-O 7. O-O Bg4 8. d4 Nbd7 9. Nc3 Bxf3 10. Bxf3 e6
1969 Hoogovens-B – Round 11 – Jongsma, Alexander – 0-1 – Cortlever, Nico – G66 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Bg4 8. d3 Re8 9. Nbd2 Nbd7 10. h3 Bxf3
1969 Hoogovens-B – Round 15 – Ujtelky, Maximilian – 0-1 – Cortlever, Nico – G83 1. c4 c6 2. Nf3 Nf6 3. b3 g6 4. Bb2 d5 5. h3 Bg7 6. g4 h6 7. Bg2 O-O 8. O-O Nbd7 9. Qc2 Re8 10. d4 h5
SportAccord Blitz 2014 – Round 25.6 – Radjabov, Teimour – 1/2-1/2 – Gelfand, Boris – G197 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6 5. g3 Bg7 6. Bg2 O-O 7. O-O dxc4 8. bxc4 c5 9. d3 Nc6 10. Ne5 Nxe5
Tal Memorial Blitz 2014 – Round 18.3 – Svidler, Peter – 1-0 – Mamedyarov, Shakhriyar – G105 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O a5 8. cxd5 cxd5 9. Nc3 Nc6 10. Rc1 d4
World Blitz 2016 – Round 14.35 – Anton Guijarro, David – 1/2-1/2 – Vidit, Santosh Gujrathi – G569 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6 5. g3 Bg7 6. Bg2 O-O 7. O-O a5 8. Nc3 Ne4 9. Na4 Bxb2 10. Nxb2 Na6
World Blitz 2016 – Round 17.44 – Anton Guijarro, David – 1-0 – Halkias, Stelios – G691 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6 5. g3 Bg7 6. Bg2 O-O 7. O-O Bg4 8. d3 Nbd7 9. Nbd2 Re8 10. d4 Bxf3
World Blitz 2016 – Round 20.11 – Artemiev, Vladislav – 1-0 – Melkumyan, Hrant – G776 1. b3 d5 2. Bb2 Nf6 3. Nf3 g6 4. c4 c6 5. g3 Bg7 6. Bg2 O-O 7. O-O Bg4 8. d3 Nbd7 9. Nbd2 Bxf3 10. Nxf3 e6
World Blitz 2017 – Round 19.46 – Ponkratov, Pavel – 0-1 – Grigoriants, Sergey – G1008 1. b3 Nf6 2. Bb2 d5 3. Nf3 g6 4. c4 c6 5. Qc2 Bg7 6. d3 O-O 7. Nbd2 b6 8. e4 dxe4 9. dxe4 Qc7 10. e5 Bf5

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