B65f — Sicilian: Richter-Rauzer, 7…Be7, 9.f4 Nxd4 10.Qxd4 Qa5 11.Bc4 Bd7

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4 10.Qxd4 Qa5 11.Bc4 Bd7 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte e4, Bc4 actif, paire de fous, colonne d.
Faiblesses adverses : Be7 enfermé.
Plans :
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte c5, Bd7 actif, paire de fous, colonne c.
Problèmes : Be7 enfermé.
Plans :
● ...d5 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B65f — Richter-Rauzer

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4 10.Qxd4 Qa5 11.Bc4 Bd7

Eval: [+0.29]

Les coups candidats

12.e5 — 83.0% (1151 parties) →

Ambassadeurs : Kotronias, Vasilios (19x), Leko, Peter (11x), Kharlov, Andrei (11x), Hildebrand, Gerald (10x), Muir, Andrew J (10x), Yudasin, Leonid (10x), Breder, Dennis (9x), Miroshnichenko, Evgenij (9x)

12.Rd3 — 4.6% (64 parties)

Ambassadeurs : Kramnik, Vladimir (7x), Shirov, Alexei (3x), Inkiov, Ventzislav (3x), Shabalov, Alexander (2x), Kotronias, Vasilios (2x), Almasi, Zoltan (2x), Nikolaidis, Konstantinos NA (2x), Van Putten, Henk (2x)

12.Bb3 — 3.8% (52 parties)

Ambassadeurs : Dvoirys, Semen I. (3x), Polugaevsky, Lev (1x), Osnos, Viatcheslav (1x), Byrne, Ray (1x), Larsen, Benjamin Holsko (1x), Butze, Roland (1x), Anikaev, Yuri N (1x), Kovalev, Andrei (1x)

12.Rhe1 — 2.6% (36 parties)

Ambassadeurs : Perez Garcia, Rodney Oscar (3x), Ivanov, Alexander V. (2x), Murey, Jacob (2x), Rachels, Stuart (2x), Polgar, Judit (2x), Keres, Paul Petrovich (1x), Geller, Efim P. (1x), Tringov, Georgi P (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.e5	12.Rd3	12.Bb3	12.Rhe1
<1800	11	82%	—	9%	—
1800-2200	240	87%	4%	4%	0%
2200-2600	821	84%	4%	4%	3%
2600+	77	74%	12%	4%	4%

Évolution par décennie (% des parties)

Décennie	N parties	12.e5	12.Rd3	12.Bb3	12.Rhe1
1930s	1	100%	—	—	—
1960s	15	40%	7%	13%	13%
1970s	22	64%	—	18%	—
1980s	108	79%	1%	7%	2%
1990s	472	79%	9%	3%	4%
2000s	522	87%	4%	2%	2%
2010s	210	90%	0%	2%	1%
2020s	36	81%	—	11%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.e5	90%	81%	▼ -9.9%
12.Rd3	0%	0%	-0.5%
12.Bb3	2%	11%	▲ +8.7%
12.Rhe1	1%	0%	▼ -1.4%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 9 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 2 parties

Parties historiques

12.e5 — 83.0% (1151 parties)

1938 — Plater, Kazimierz vs Kapfer, Thomas — 1-0 — Krakow POL
1963 — Bronstein, David I vs Averbakh, Yuri L — 1/2-1/2 — Beverwijk NED
1964 — Tal, Mikhail vs Bradvarevic, Aleksandar — 1/2-1/2 — Kislovodsk
1966 — Fuchs, Reinhart vs Bradvarevic, Aleksandar — 1/2-1/2 — Sochi RUS
1967 — Dely, Peter vs Sofrevski, Jovan — 0-1 — Skopje MKD

12.Rd3 — 4.6% (64 parties)

1963 — Shianovsky, Vladislav I vs Popov, Vladilen — 1-0 — ?
1985 — Svacek, P. vs Jurka, Miroslav — 1-0 — CZE corr
1991 — Shabalov, Alexander vs Inkiov, Ventzislav — 1/2-1/2 — Troll Masters
1991 — Lanka, Zigurds vs Kotronias, Vasilios — 0-1 — Gausdal NOR
1992 — Carlsson, Ingvar vs Solin, Niclas — 1/2-1/2 — SWE-chB Borlange SWE

12.Bb3 — 3.8% (52 parties)

1968 — Polugaevsky, Lev vs Osnos, Viatcheslav — 1-0 — Alma Ata ch-URS
1968 — Byrne, Ray vs Larsen, Benjamin Holsko — 1/2-1/2 — USA op Aspen
1970 — Pritchett, Craig W vs Mashian, Yaacov — 1/2-1/2 — Siegen GER
1973 — Flack R vs Wandsleb — 1/2-1/2 — corr DDR/H
1975 — Butze, Roland vs Anikaev, Yuri N — 1/2-1/2 — corr EU/M

12.Rhe1 — 2.6% (36 parties)

1962 — Keres, Paul Petrovich vs Geller, Efim P. — 1/2-1/2 — Curacao AHO
1969 — Tringov, Georgi P vs Gligorić, Svetozar — 1/2-1/2 — Ljubljana
1988 — Bethe, Stephan vs Kunsztowicz, Uwe — 0-1 — Bargteheide
1988 — Dolmatov, Sergey vs Oll, Lembit — 0-1 — Klaipeda
1990 — Drei, Andrea vs Testa Villena, Antonio — 1-0 — Forli open

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1)	● c5 (2v1)
Cases faibles	—	● b5
Centre	● d4 (1v0), ● d5 (4v3), ● e4 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc4	● Bc4 Actif (mob. 8)
Bg5	● Bg5 Ok (mob. 3)
Bd7		● Bd7 Actif (mob. 5)
Be7		● Be7 Enfermé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	1 (h1)	1 (a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f4-f5	● …d6-d5, ● …e6-e5

Partie
1962 Candidats Tournament – Round 19 – Keres, Paul Petrovich – 1/2-1/2 – Geller, Efim P – G70 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5
1964 Moscow Ch – Round ? – Nikitin, Aleksander S – 0-1 – Averbakh, Yuri L – G68 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5
1965 Kiev – Round 1 – Sakharov, Yuri G. – 1-0 – Kots, Yuri I – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5
1968 Alma Ata ch-URS – Round 10 – Polugaevsky, Lev – 1-0 – Osnos, Viatcheslav – G94 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Nxd4 9. Qxd4 O-O 10. Bc4 Qa5
1968 URS Team Ch – Round 1 – Sakharov, Yuri G. – 1/2-1/2 – Osnos, Vyacheslav – G103 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Nxd4 9. Qxd4 O-O 10. f4 Qa5
1968 USA Open Aspen – Round 1 – Byrne, Ray – 1/2-1/2 – Larsen, Benjamin Holsko – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. Bc4 Nxd4 10. Qxd4 Qa5
1969 Ljubljana – Round 1 – Tringov, Georgi P – 1/2-1/2 – Gligorić, Svetozar – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5
Corus 2000 – Round 5 – Polgar, Judit – 1/2-1/2 – Anand, Viswanathan – G31 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5
Dos Hermanas 1997 – Round 1 – Polgar, Judit – 1/2-1/2 – Salov, Valery – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5
It, Las Palmas ESP 1996 – Round 1 – Anand, Viswanathan – 1/2-1/2 – Kramnik, Vladimir – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Nxd4 9. Qxd4 O-O 10. f4 Qa5
PCA Qualifiers 1993 – Round 8 – Shirov, Alexei – 1/2-1/2 – Kramnik, Vladimir – G153 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5