D47t — Semi-Slav: Meran, Wade, Main Line, 12.O-O

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 Bb7 9.e4 b4 10.Na4 c5 11.e5 Nd5 12.O-O * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte e5, case forte g5, Bd3 actif, paire de fous, colonne c.
Faiblesses adverses : arriéré c5, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, arriéré d4.
Plans :
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), case forte b4, case forte d5, avant-poste d5(C), paire de fous, colonne d.
Faiblesses adverses : arriéré d4, Bc1 enfermé.
Problèmes : roi au centre, Bf8 enfermé, arriéré c5, 3 pièces non développées (F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3
● ...c4 — Rupture
● ...f6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D47t — Meran Wade Main Line

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 Bb7 9.e4 b4 10.Na4 c5 11.e5 Nd5 12.O-O

Eval: [+0.21]

Les coups candidats

12…cxd4 — 79.3% (1402 parties)

Ambassadeurs : Rain, Ricardo Ernesto (25x), Gavrijski, Dimitar (16x), Dreev, Aleksey (14x), Sokolov, Ivan (9x), Kaidanov, Gregory (8x), Baumbach, Friedrich, Dr. (8x), Schmelz, Thomas (8x), Bryson, Douglas M (7x)

12…h6 — 9.5% (167 parties)

Ambassadeurs : Ribli, Zoltan (3x), Rasmussen, Karsten (3x), Flear, Glenn C (3x), Marbourg, Denny (3x), Gelfand, Boris (2x), Volosin, Vladimir (2x), Kuporosov, Viktor (2x), Alterman, Boris (2x)

12…Rc8 — 8.7% (153 parties)

Ambassadeurs : Baumbach, Friedrich, Dr. (3x), Stellwagen, Daniel (2x), Simmelink, Joop Theo (2x), Stefanov, Vladislav Nikolaevi (2x), Celan, Melissa (2x), Hayrapetyan, Hovik (2x), Shabaev, Vladimir Nikolaevich (2x), Razuvaev, Yuri S (1x)

12…Qa5 — 1.0% (18 parties)

Ambassadeurs : Broemme, Steffen (2x), Kirby, Kenneth (1x), Oliveira Freitas, Paulo Roberto (1x), Garcia Rodriguez, Raimundo (1x), Cristobal, Ruben (1x), Saacke, Bernd (1x), Schreiner, Richard (1x), Giardelli, Sergio C. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…cxd4	12…h6	12…Rc8	12…Qa5
<1800	19	95%	—	5%	—
1800-2200	427	78%	6%	13%	1%
2200-2600	992	79%	10%	8%	1%
2600+	58	78%	16%	7%	—

Évolution par décennie (% des parties)

Décennie	N parties	12…cxd4	12…h6	12…Rc8	12…Qa5
1950s	3	33%	33%	—	33%
1960s	4	100%	—	—	—
1970s	57	82%	2%	9%	4%
1980s	92	87%	10%	—	—
1990s	220	79%	16%	3%	0%
2000s	608	78%	12%	7%	1%
2010s	622	82%	5%	12%	1%
2020s	161	71%	12%	16%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…cxd4	82%	71%	▼ -10.2%
12…h6	5%	12%	▲ +7.4%
12…Rc8	12%	16%	▲ +3.8%
12…Qa5	1%	0%	▼ -1.0%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 6 parties
Anand, Viswanathan — 5 parties
Carlsen, Magnus — 3 parties
Karpov, Aleksandr — 1 partie

Parties historiques

12…cxd4 — 79.3% (1402 parties)

1958 — Trifunovic, Petar vs Oliveira Freitas, Paulo Roberto — 1-0 — Munich GER
1968 — Portisch, Lajos vs Larsen, Bent — 1/2-1/2 — Porec CRO
1968 — Portisch, Lajos vs Larsen, Benjamin Holsko — 1/2-1/2 — Porec CRO
1969 — Korchnoi, Viktor vs Borisenko, Georgy K — 1/2-1/2 — Leningrad RUS
1969 — Wahlbom, Magnus vs Sigurjonsson, Gudmundur — 1-0 — Dresden GER

12…h6 — 9.5% (167 parties)

1955 — Wolk, Sigmund vs Bialas, Wojciech — 0-1 — Hoechst ch-GER
1976 — Collett, John vs Ros, Aksel — 0-1 — ICCF
1984 — Van Eeckhout, Guy vs Rogemont, Alain — 1-0 — FRA corr
1987 — Razuvaev, Yuri S vs Shabalov, Alexander — 1/2-1/2 — Jurmala LAT
1988 — Dorfman, Iossif vs Horvath, Csaba — 1/2-1/2 — Budapest HUN

12…Rc8 — 8.7% (153 parties)

1971 — Hort, Vlastimil vs Barczay, Laszlo — 1-0 — Havana CUB
1972 — Gligoric, Sofija vs Larsen, Benjamin Holsko — 1/2-1/2 — Teesside ENG
1972 — Hermlin, Aarne vs Brashinsky — 1-0 — Viljandi
1972 — Toran Albero, Roman vs Whiteley, Andrew J — 1-0 — Vienna AUT
1973 — Razuvaev, Yuri S vs Dorfman, Iossif — 1-0 — Frunze KGZ

12…Qa5 — 1.0% (18 parties)

1958 — Kirby, Kenneth vs Oliveira Freitas, Paulo Roberto — 1-0 — Munich GER
1974 — Garcia Rodriguez, Raimundo vs Cristobal, Ruben — 1-0 — Pinamar ARG
1978 — Saacke, Bernd vs Schreiner, Richard — 1-0 — Bad Koenigshofen
1995 — Giardelli, Sergio C. vs Pedrosa Raisky, Fernando — 1-0 — Lomas de Zamora
2002 — Seifert, Volker vs Rau, Juergen — 1-0 — Bad Wiessee GER

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● d4	● c5
Chaînes	● d4→e5	● c5→b4, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1), ● g5 (2v1)	● b4 (2v0), ● d5 (2v0)
Cases faibles	—	● c5
Centre	● e4 (1v0), ● e5 (2v1)	● d5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 10)
Bb7		● Bb7 Ok (mob. 3)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	3 (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	fermé
Ruptures	—	● …c5-c4, ● …f7-f6, ● …f7-f5

Partie
19. Amber Blindfold 2010 – Round 6 – Svidler, Peter – 0-1 – Grischuk, Alexander – G16 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
1955 Hoechst ch-GER – Round 1 – Wolk, Sigmund – 0-1 – Bialas, Wojciech – G12 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Nbd7 5. e3 c6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
1958 Munich olm prel – Round 2 – Trifunovic, Petar – 1-0 – Oliveira Freitas, Paulo Roberto – G39 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
1968 Candidats qf3 – Round 5 – Portisch, Lajos – 1/2-1/2 – Larsen, Benjamin Holsko – G5 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
1969 Leningrad – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Borisenko, Georgy K – G3 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
1969 WchT U26 fin-B 16th – Round 5.1 – Wahlbom, Magnus – 1-0 – Sigurjonsson, Gudmundur – G30 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Aeroflot Open Rapid Final 2013 – Round 1.2 – Mamedyarov, Shakhriyar – 1-0 – Le, Quang Liem – G4 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Amber Blindfold 2008 – Round 5 – Morozevich, Alexander – 1-0 – Anand, Viswanathan – G17 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Amber Rapid 2007 – Round 9 – Morozevich, Alexander – 1-0 – Vallejo Pons, Francisco – G30 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Amber Rapidplay 2002 – Round 1 – Piket, Jeroen – 1/2-1/2 – Shirov, Alexei – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Amsterdam VSB 1993 – Round 2 – Piket, Jeroen – 1/2-1/2 – Kramnik, Vladimir – G3 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Dortmund 1992 – Round 9 – Piket, Jeroen – 1/2-1/2 – Anand, Viswanathan – G43 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Dortmund 1992 – Round 9 – Piket, Jeroen – 1/2-1/2 – Anand, Viswanathan – G44 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
FIDE WCh KO 2001 – Round 2.1 – Kasimdzhanov, Rustam – 1/2-1/2 – Khenkin, Igor – G163 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
GMA 2003 – Round 11 – Radjabov, Teimour – 1/2-1/2 – Shirov, Alexei – G68 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Leningrad ch-URS 1977 – Round 1 – Tukmakov, Vladimir B – 1/2-1/2 – Polugaevsky, Lev – G38 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Madrid 1993 – Round 3 – San Segundo Carrillo, Pablo – 1/2-1/2 – Anand, Viswanathan – G13 1. d4 d5 2. Nf3 c6 3. c4 e6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Madrid 1993 – Round 7 – San Segundo Carrillo, Pablo – 1/2-1/2 – Illescas Cordoba, Miguel – G29 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Madrid 1993 – Round 8 – Illescas Cordoba, Miguel – 1/2-1/2 – Kramnik, Vladimir – G37 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Moskou ch-URS 1976 – Round 15 – Karpov, Anatoly – 1/2-1/2 – Polugaevsky, Lev – G58 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Olympiad 2002 – Round 3 – Lesiege, Alexandre – 0-1 – Akopian, Vladimir – G59 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Qatar Masters Open 2015 – Round 9.28 – Moiseenko, Alexander – 1-0 – Zhukova, Natalia – G306 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
SportAccord Rapid Men 2012 – Round 3.8 – Mamedyarov, Shakhriyar – 0-1 – Ivanchuk, Vasyl – G23 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Tal Memorial 2007 – Round 5 – Mamedyarov, Shakhriyar – 1/2-1/2 – Gelfand, Boris – G20 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
TCh-RUS 2008 – Round 7 – Mamedyarov, Shakhriyar – 1-0 – Nepomniachtchi, Ian – G174 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
Turin ol (Men) 37th 2006 – Round 9 – Cvitan, Ognjen – 1/2-1/2 – L'Ami, Erwin – G122 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
World Cup 1988 – Round 1 – Speelman, Jon S – 1-0 – Ribli, Zoltan – G97 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. d4 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5
World Cup 1989 – Round ? – Timman, Jan H – 1-0 – Nogueiras Santiago, Jesus – G92 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5

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