D48d — Semi-Slav: Meran, 8…a6 9.O-O c5 10.Qe2

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.O-O c5 10.Qe2 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Rd1 (74 % des parties) ; a3 (Préparer expansion aile dame — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bb7 (Fou actif (mobilité 5), Développer c8 — 86 % des parties) ; ...Be7 (Développer f8 — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● a6→b5, f7→e6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	4 (● 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	mobile
Ruptures	● d4-d5	● …e6-e5

Partie
1912 Vilnius – Round 17 – Alapin, Simon – 0-1 – Freiman, Andy – G44 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 a6 5. Bxc4 b5 6. Bd3 Nf6 7. Nf3 Nbd7 8. O-O c5 9. Qe2 Bb7 10. a4 b4
1924 Merano – Round 13 – Tarrasch, Siegbert – 1/2-1/2 – Gruenfeld, Ernst – G37 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Nc3 a6 7. O-O b5 8. Bd3 Nbd7 9. Qe2 Bb7 10. Rd1 Qc7
1924 Paris f-B – Round 8 – Reca, Damian M – 0-1 – Rosselli del Turco, Stefano – G36 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1925 Moscow – Round 18 – Saemisch, Friedrich – 0-1 – Capablanca, Jose – G170 1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. Qe2 Bb7
1927 London – Round 6 – Colle, Edgar – 0-1 – Thomas, George Alan – G28 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1928 Berlin BSG – Round 1 – Saemisch, Friedrich – 1-0 – Schlage, Willi – G1 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1930 Stockholm – Round ? – Stoltz, Gösta – 0-1 – Kashdan, Isaac – G14 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1931 Bled – Round ? – Vidmar, Milan Sr – 1-0 – Bogoljubow, Efim – G156 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1931 Bled – Round 1 – Vidmar Milan – 1-0 – Bogoljubow, Efim – G10 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1931 Buenos Aires – Round 4 – Querencio, Carlos – 0-1 – Fenoglio, Virgilio – G35 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1931 Prague ol – Round 18 – Andersen, Erik – 1/2-1/2 – Vidmar Milan – G74 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1935 Tatatovaros – Round 10 – Steiner, Lajos – 0-1 – Sacconi, Antonio – G50 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1936 Nottingham – Round 4 – Thomas, George Alan – 0-1 – Bogoljubow, Efim – G70 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1938 Lodz – Round 1 – Menchik, Vera Frantsevna – 1/2-1/2 – Eliskases, Erich – G52 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1943 Moscow – Round ? – Zagoriansky, Evgeny – 1-0 – Yudovich, Mikhail M – G7 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Be7
1947 Nt Lueneburg GER – Round 10 – Ahues, Carl – 1/2-1/2 – Rellstab, Ludwig – G23 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1948 GBR-NED match – Round 1.10 – Newman Caceres, Reynaldo Adolfo – 1-0 – Van den Berg, Carel B – G2 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 a6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7
1950 HUN-ch06 – Round 1 – Bely, Miklos – 0-1 – Szily, Jozsef – G17 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1951 Mar del Plata zt – Round 22 – Bolbochan, J. – 1-0 – Liebstein, Arturo – G216 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1953 POL-ch11 – Round 1 – Ciejka, Tadeusz – 0-1 – Makarczyk, Kazimierz – G3 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1954 Belgrade – Round 13 – Pilnik, Herman – 1-0 – Porrecca, Giorgio – G106 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1956 CSR Ch – Round 1 – Sidlo, Oldrich – 1/2-1/2 – Sefc, Jan – G9 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. d4 c6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1960 Leipzig olm fin-B – Round 10 – Aloni, Itzchak – 1/2-1/2 – Pomar Salamanca, Arturo – G123 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Be2 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1960 Leipzig olm prel – Round 7 – Byrne, Robert E – 1/2-1/2 – Pomar Salamanca, Arturo – G227 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1960 WchT U26 07th – Round 4 – Hollis, Adrian – 0-1 – Klovans, Janis – G6 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Qe2 b5 8. Bd3 Nbd7 9. Nc3 Bb7 10. Rd1 Qb6
1961 Rostov – Round 3 – Drozd, Ryszard – 1/2-1/2 – Ciric, Dragoljub M – G8 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1961 Zagreb – Round 9 – Mihaljcisin, Mihajlo – 1/2-1/2 – Karaklajic, Nikola – G78 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 a6 8. O-O c5 9. Qe2 b5 10. Bd3 Bb7
1963 Buenos Aires ch-ARG – Round 13 – Andrade Herrera, Fernando Alfonso – 1-0 – Alonso-Lej De Las Casas, Fernando – G67 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1963 Wch U18 – Round 4 – Gheorghiu, Florin – 1-0 – Bojkovic, Slobodan – G9 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
1964 Magdeburg ch DDR – Round 3 – Wehnert, Lutz – 0-1 – Fuchs, Reinhart – G5 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Be7
1968 Prague U26 – Round 8 – Kupka, Slavoj – 1/2-1/2 – Holeksa, Milos – G34 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. Qe2 Bb7
PCA Qualifiers 1993 – Round 6 – Granda Zuniga, Julio E – 1/2-1/2 – Khalifman, Alexander – G101 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Qe2 Bb7
Reykjavik ISL, 22th Open 2006 – Round 8 – Svidler, Peter – 0-1 – Svidler, Peter – G4 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nc3 c5 6. Nf3 a6 7. O-O b5 8. Bd3 Nbd7 9. Qe2 Bb7 10. Rd1 Be7
Tata Steel Masters 2024 - Round 6 - Firouzja, Alireza - 1-0 - Wei, Yi 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 dxc4 6. Bxc4 a6 7. Bd3 Nbd7 8. Qe2 b5 9. O-O Bb7 10. Rd1 Bd6

D48d — Meran (1912)

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.O-O c5 10.Qe2

Les coups candidats

10…Bb7 — 86.5% (320 parties)

Ambassadeurs : Starck, Bodo (3x), Bolbochan, Jacobo (2x), Liebstein, Arturo (2x), Pomar Salamanca, Arturo (2x), Svidler, Peter (2x), Linqvist, Grels (2x), Suarez, Sebastian (2x), Chalupova, Helena (1x)

10…Be7 — 6.8% (25 parties)

Ambassadeurs : Woehlert, Lutz (1x), Fuchs, Reinhart (1x), Ramirez, Hernan (1x), Rodriguez, Jose E.S. (1x), Smith, Murray (1x), Telfer, Kenneth (1x), Lehikoinen, Pertti Ilari (1x), Skare, Karl Andre (1x)

10…c4 — 2.7% (10 parties)

Ambassadeurs : Moeckel, Edgar, Dr. (2x), Hoethker, Christian (1x), Kochan, Fritz (1x), Fargot (1x), Andres Gonzalez, Ivan (1x), Stutzke, Christian (1x), Wiedmann, Klaus (1x), Szollosi, Laszlo (1x)

10…Qb6 — 1.9% (7 parties)

Ambassadeurs : Martin, Robert Bryan (1x), Day, Angela (1x), Karcher, Christian Stefan (1x), Schulte, Torsten (1x), Sanchez, Alvaro (1x), Vera, Kelver (1x), Chudy, Rastislav (1x), Jurcisin, Imrich (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Bb7	10…Be7	10…c4	10…Qb6
<1800	19	84%	5%	5%	—
1800-2200	172	81%	10%	3%	2%
2200-2600	123	96%	2%	—	1%
2600+	5	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Bb7	10…Be7	10…c4	10…Qb6
1950s	10	80%	10%	10%	—
1960s	13	92%	8%	—	—
1970s	5	80%	—	—	20%
1980s	19	95%	—	—	—
1990s	64	84%	6%	5%	3%
2000s	106	88%	6%	3%	2%
2010s	122	84%	10%	2%	2%
2020s	31	90%	3%	3%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Bb7	84%	90%	▲ +5.9%
10…Be7	10%	3%	▼ -6.6%
10…c4	2%	3%	▲ +1.6%
10…Qb6	2%	0%	▼ -1.6%

Parties historiques

10…Bb7 — 86.5% (320 parties)

1950 — Bely, Miklos vs Szily, Jozsef — 0-1 — Budapest HUN
1950 — Zografakis, Aristidis vs Sumar, Julio — 1-0 — Dubrovnik olm
1951 — Bolbochan, Jacobo vs Liebstein, Arturo — 1-0 — Mar del Plata ARG
1951 — Bolbochan, Jacobo vs Liebstein, Arturo — 1-0 — Mar del Plata zt Mar
1953 — Ciejka, Tadeusz vs Makarczyk, Kazimierz — 0-1 — Krakow POL

10…Be7 — 6.8% (25 parties)

1958 — Ramirez, Hernan vs Rodriguez, Jose E.S. — 1/2-1/2 — Pereira
1964 — Woehlert, Lutz vs Fuchs, Reinhart — 0-1 — Magdeburg ch DDR
1991 — Smith, Murray vs Telfer, Kenneth — 1/2-1/2 — Melbourne ch-AUS
1994 — Belousenko, Artur Viktorovich vs Sitnikov, Anton — 1-0 — ?
1998 — Lehikoinen, Pertti Ilari vs Skare, Karl Andre — 1/2-1/2 — Gausdal NOR

10…c4 — 2.7% (10 parties)

1953 — Hoethker, Christian vs Kochan, Fritz — 1/2-1/2 — Soest NED
1997 — Stutzke, Christian vs Wiedmann, Klaus — 0-1 — Bayern
1997 — Szollosi, Laszlo vs Lagsub, Stark — 1-0 — Gyula HUN
1999 — Fargot vs Andres Gonzalez, Ivan — 1-0 — Lyon FRA
2003 — Schmitzer, Horst vs Moeckel, Edgar, Dr. — 1/2-1/2 — Doerentrup

10…Qb6 — 1.9% (7 parties)

1975 — Martin, Robert Bryan vs Day, Angela — 1-0 — Montreal CAN
1992 — Karcher, Christian Stefan vs Schulte, Torsten — 1-0 — Oberliga Baden9192
1999 — Sanchez, Alvaro vs Vera, Kelver — 0-1 — Cuzco-ch
2001 — Chudy, Rastislav vs Jurcisin, Imrich — 0-1 — Slovakia
2007 — Fatehy, Tarek vs Salah, Ahmed — 1-0 — EGY

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