Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 4)
Be3	● Be3 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 2)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (● 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	mobile
Ruptures	● e4-e5, ● f4-f5	● …d6-d5, ● …e6-e5

B82h — Sicilian: Scheveningen, 6.f4 a6 7.Be3 b5

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4 a6 7.Be3 b5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Qf3 (Centraliser la dame, Prépare O-O-O — 54 % des parties) ; a3 (Préparer expansion aile dame — 19 % des parties) ; Bd3 (Développer f1 — 16 % des parties) ; e5 (Occuper le centre — 9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Bb7 (Développer c8 — 87 % des parties) ; ...b4 (Expansion aile dame — 2 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1954 Mar del Plata ARG – Round 4 – Pilnik, Herman – 1-0 – Bauza, Lorenzo – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be3 b5 8. a3 Bb7 9. Bd3 Be7 10. O-O O-O
1954 Mar del Plata zt Mar – Round 4 – Pilnik, Herman – 1-0 – Bauza, Lorenzo – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be3 b5 8. a3 Bb7 9. Bd3 Be7 10. O-O O-O
1961 GBR Ch 48th – Round 1.4 – Hindle, Owen Mark – 0-1 – Kottnauer, Cenek – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. a3 Bb7 9. Bd3 Nbd7 10. Qf3 Be7
1962 LAT Ch – Round ? – Gipslis, Aivars – 1/2-1/2 – Koblencs, Alexander – G43 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. Bd3 Bb7 9. Qf3 Nbd7 10. g4 b4
1962 Torremolinos zt – Round 1 – Durão, Joaquim Manuel – 0-1 – Scafarelli, Francesco – G25 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. a3 Bb7 9. Bd3 Nbd7 10. O-O Nc5
1962 Torremolinos zt – Round 1 – Durão, Joaquim Manuel – 1-0 – Parma, Bruno – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be3 b5 8. a3 Bb7 9. Bd3 Nbd7 10. O-O Qc7
1964 Clare Benedict Cup 11th – Round 4 – Calvo Minguez, Ricardo – 0-1 – Mohrlok, Dieter – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. Bd3 Bb7 9. Qf3 Nbd7 10. O-O Nc5
1964 Tel Aviv olm prel – Round 2 – Brinck-Claussen, Bjorn – 1/2-1/2 – Mohrlok, Dieter – G64 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. a3 Bb7 9. Bd3 Nbd7 10. O-O Be7
1965 Clare Benedict Cup 12th – Round 1 – Van den Berg, Carel B – 0-1 – Schmid, Lothar – G2 1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f4 b5 8. a3 Bb7 9. Bd3 Nbd7 10. O-O g6
1967 It II Beverwijk NED – Round 11 – Ostojic, Predrag – 0-1 – Van Scheltinga, Theo – G24 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. Bd3 Bb7 9. a3 Nbd7 10. O-O Rc8
1967 Liberation – Round 1 – ? – 1-0 – Ostojic, Predrag – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. a3 Bb7 9. Bd3 Nbd7 10. Qf3 g6
1967 Skopje – Round 5 – Dely, Peter – 0-1 – Bukic, Enver – G44 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. a3 Rc8
1967 YUG Ch 22th – Round 14 – Ivkov, Borislav – 1/2-1/2 – Bukic, Enver – G71 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f4 b5 8. e5 dxe5 9. fxe5 Nd5 10. Nxd5 Qxd5
1969 Praia da Rocha zt – Round 9 – Schaufelberger, Heinz – 0-1 – Gligoric, Svetozar – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. e5 dxe5 9. fxe5 Nd5 10. Nxd5 Qxd5
Bugojno 1978 – Round 10 – Balashov, Yuri S – 1/2-1/2 – Spassky, Boris V. – G56 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. g4 b4
London 1984 – Round ? – Timman, Jan H – 1/2-1/2 – Ribli, Zoltan – G18 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. g4 b4
London P&D/GLC Kings 1984 – Round 1 – Chandler, Murray G – 1/2-1/2 – Timman, Jan H – G5 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. g4 b4
Luzern olm 1982 – Round 10 – Huebner, Robert – 0-1 – Portisch, Lajos – G46 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. g4 b4
Moskou ch-URS 1988 – Round 13 – Yudasin, Leonid – 0-1 – Kasparov, Garry – G84 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 a6 7. Be3 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. a3 Rc8
Olympiad 2002 – Round 9 – Berg, Edvard Vallestrand – 1-0 – Dominguez Perez, Leinier – G301 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. g4 b4
World Blitz 2015 – Round 20.64 – Schmaltz, Roland – 0-1 – Volokitin, Andrei – G1276 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f4 b5 8. a3 Bb7 9. Bd3 Nbd7 10. Qf3 Rc8
Yerevan ol (Men) 1996 – Round 13 – Aronian, Levon – 0-1 – Sandler, Leonid – G199 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. g4 b4

B82h — Scheveningen (1954)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4 a6 7.Be3 b5

Les coups candidats

8.Qf3 — 54.3% (373 parties)

Ambassadeurs : Leko, Peter (8x), Huebner, Robert (5x), Lukov, Valentin (5x), Ribli, Zoltan (5x), Kotronias, Vasilios (5x), Timman, Jan H (4x), Yudasin, Leonid (4x), Vera Gonzalez-Quevedo, Reynaldo (4x)

8.a3 — 19.4% (133 parties)

Ambassadeurs : Pilnik, Herman (2x), Bauza, Lorenzo (2x), Durão, Joaquim Manuel (2x), Van den Berg, Carel B (2x), Ostojic, Predrag (2x), Korzubov, Peter (2x), Kasparov, Garry (2x), Benko, Pal (2x)

8.Bd3 — 16.2% (111 parties)

Ambassadeurs : Ostojic, Predrag (1x), Bosch van Rosenthal, Edzard (1x), Calvo Minguez, Ricardo (1x), Mohrlok, Dieter (1x), Gipslis, Aivars (1x), Koblencs, Alexander (1x), Ekstroem, Roland (1x), Badea, Bela (1x)

8.e5 — 8.7% (60 parties)

Ambassadeurs : Gipslis, Aivars (5x), Borkowski, Franciszek (2x), Oll, Lembit (2x), Risch, Audrey (2x), Schaufelberger, Heinz (1x), Gligoric, Svetozar (1x), McKelvie N (1x), Benko, Pal (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Qf3	8.a3	8.Bd3	8.e5
<1800	32	47%	28%	22%	3%
1800-2200	161	47%	26%	20%	6%
2200-2600	351	59%	15%	16%	9%
2600+	13	85%	15%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Qf3	8.a3	8.Bd3	8.e5
1950s	2	—	100%	—	—
1960s	21	24%	48%	14%	14%
1970s	60	40%	33%	20%	5%
1980s	160	73%	6%	11%	11%
1990s	137	55%	18%	18%	9%
2000s	182	55%	15%	17%	9%
2010s	111	44%	31%	18%	5%
2020s	14	14%	36%	29%	14%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Qf3	44%	14%	▼ -29.9%
8.a3	31%	36%	▲ +5.1%
8.Bd3	18%	29%	▲ +10.6%
8.e5	5%	14%	▲ +8.9%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 4 parties
Tal, Mikhail — 1 partie

Parties historiques

8.Qf3 — 54.3% (373 parties)

1960 — Tal, Mikhail vs Miguel, Nahuel — 1-0 — Leipzig olm
1967 — Dely, Peter vs Bukic, Enver — 0-1 — Skopje MKD
1968 — Mesing vs Bukic, Enver — 1-0 — ?
1968 — Musil, Matjaz vs Sibarevic, Milenko — 0-1 — Cateske Toplice
1969 — Andersson, Ulf vs Alcorta, Martinez Leopoldo — 1/2-1/2 — Arboga m

8.a3 — 19.4% (133 parties)

1954 — Pilnik, Herman vs Bauza, Lorenzo — 1-0 — Mar del Plata ARG
1954 — Pilnik, Herman vs Bauza, Lorenzo — 1-0 — Mar del Plata zt Mar
1961 — Hindle, Owen Mark vs Kottnauer, Cenek — 0-1 — Aberystwyth
1962 — Durão, Joaquim Manuel vs Scafarelli, Francesco — 0-1 — Torremolinos ESP
1962 — Payne, Robert vs Bowen Jeremy — 0-1 — Whitby ch-BCF

8.Bd3 — 16.2% (111 parties)

1962 — Gipslis, Aivars vs Koblencs, Alexander — 1/2-1/2 — Riga LAT
1964 — Calvo Minguez, Ricardo vs Mohrlok, Dieter — 0-1 — Lenzerheide
1967 — Ostojic, Predrag vs Bosch van Rosenthal, Edzard — 0-1 — It II Beverwijk NED
1970 — Villarroel, Geber vs Garcia Martinez, Silvino — 1/2-1/2 — Havana CUB
1974 — Paoli, Enrico vs Nestler, Vincenzo — 1-0 — Castelvecchio Pascoli

8.e5 — 8.7% (60 parties)

1966 — McKelvie N vs Benko, Pal — 1-0 — ?
1967 — Ivkov, Borislav vs Bukic, Enver — 1/2-1/2 — Kraljevo
1969 — Schaufelberger, Heinz vs Gligoric, Svetozar — 0-1 — Praia da Rocha zt
1971 — Van der Weide, Piet vs Malich, Burkhard, Dr. — 0-1 — Amsterdam NED
1976 — Gipslis, Aivars vs Sigurjonsson, Gudmundur — 1/2-1/2 — Amsterdam NED

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