E66e - 8…Na5 9.Nd2 a6 - Fianchetto Yugoslav Panno [+0.41]

E66e — King’s Indian: Fianchetto, Yugoslav Panno, 9…a6

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O Nc6 8.d5 Na5 9.Nd2 a6 *   ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 5
bQ
bR
bK
bPPion arriéré — cible
bP
bP
bBFou enfermé — mobilité 2
bP
bP
bP
bN
bP
bN
bP
wPCase forte (3v1)
wP
Case forte (3v1)
wN
wP
wP
wP
wN
wP
wP
wBFou actif — mobilité 4
wP
wR
wB
wQ
wR
wK
abcdefgh
Avantages : case forte e4, case forte d5, Bg2 actif, paire de fous.
Faiblesses adverses : arriéré b7, Bg7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé.
Plans :
● Bg5 — Clouer Nf6

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wBFou enfermé — mobilité 0
wR
wP
wB
wP
wP
wN
wP
wP
wP
wN
Case forte (2v0)
wP
Case forte (2v0)
wP
bP
bN
bP
bN
bP
bP
bP
bB
bP
bP
bP
bK
bR
bQ
bBFou actif — mobilité 5
bR
hgfedcba
Avantages : case forte g4, case forte f5, paire de fous.
Faiblesses adverses : Bc1 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré b7.
Plans :
● ...Bf5 — Développer Bc8
● ...e6 — Rupture
● ...e5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
E66e — Fianchetto Yugoslav Panno
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O Nc6 8.d5 Na5 9.Nd2 a6
Eval: [+0.41]
Les coups candidats
Ambassadeurs : Krallmann, Matthias (12x), Freisler, Pavel (12x), Tibensky, Robert (7x), Ivkov, Borislav (6x), Geller, Efim P. (6x), Ghitescu, Theodor (6x), Izeta Txabarri, Felix (6x), Balogh, Tomas (6x)
Ambassadeurs : Adrian, Claude (9x), Gauglitz, Gernot (6x), Toth-Goczo, Melinda (6x), Golda, Harald (6x), Voyska, Margarita (5x), Karahmetovic, Adnan (5x), Hanssen, Gunnar B. (4x), Stefanov, Josif Jovchev (3x)
10.a3 — 4.6% (109 parties)
Ambassadeurs : Ioseliani, Nana (2x), Svatos, Jan (2x), Fazekas, Stephan (1x), Wade, Robert G (1x), Moiseev, Oleg (1x), Sherbakov, L (1x), Simagin, Konstantin (1x), Golovko, Alexandr (1x)
10.a4 — 2.9% (68 parties)
Ambassadeurs : Lilja, Richard (3x), Winkelmann, Max (2x), Mertens, Gabriel (1x), Slepoy, Yosef (1x), Byvshev, Vasily (1x), Ghadimi, Ali (1x), Marfia, Jim (1x), Wada, D Russell (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Qc2 10.Rb1 10.a3 10.a4
<1800 25 56% 8% 20% 12%
1800-2200 640 64% 20% 5% 4%
2200-2600 1199 73% 20% 4% 2%
2600+ 15 53% 33% — 13%
Évolution par décennie (% des parties)
Décennie N parties 10.Qc2 10.Rb1 10.a3 10.a4
1950s 54 61% 11% 13% 2%
1960s 84 90% 4% 4% 1%
1970s 106 84% 7% 6% 2%
1980s 226 74% 16% 3% 2%
1990s 640 75% 18% 3% 2%
2000s 535 65% 22% 5% 2%
2010s 546 67% 18% 6% 5%
2020s 155 61% 26% 3% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Qc2 67% 61% ▼ -5.7%
10.Rb1 18% 26% ▲ +7.5%
10.a3 6% 3% ▼ -2.5%
10.a4 5% 7% ▲ +2.2%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 5 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 2 parties
Euwe, Max — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
10.Qc2 — 70.6% (1656 parties)
1950 — Simagin, Vladimir vs Borisenko, Georgy K — 1-0 — Ch URS (1/2 final), Tula RUS
1952 — Kashdan, Isaac vs Gligorić, Svetozar — 0-1 — Hollywood
1952 — Flohr, Salo vs Borisenko Georgy K — 1-0 — Ch URS (1/2 final), Minsk (Be
1954 — Gereben, Erno vs Johannsson, Ingi R — 1-0 — Amsterdam olm
1954 — Benko, Pal vs Polijevktov, V — 1-0 — Budapest HUN
10.Rb1 — 18.1% (425 parties)
1954 — Vladimir Sergeevich Saigin vs Tal, Mikhail — 1/2-1/2 — Riga LAT
1956 — Cuellar Gacharna, Miguel vs Uhlmann, Wolfgang — 1/2-1/2 — Moscow RUS
1959 — Stefanov Josif vs Martinov Georgi — 1-0 — Sofia BUL
1959 — Stefanov, Josif Jovchev vs Hohler, Peter — 1-0 — Muenchenstein/Basel
1959 — Wexler, Bernardo vs Acosta Garcia, Rafael Isaac — 1-0 — Buenos Aires ARG
10.a3 — 4.6% (109 parties)
1950 — Ilivitsky, Georgy A vs Borisenko, Georgy K — 0-1 — URS-ch sf Tula
1954 — Tolush, Alexander V vs Skotorenko, Vasily — 1/2-1/2 — Leningrad ch22-SU sf
1954 — Cuellar Gacharna, Miguel vs Yanofsky, Daniel Abraham — 1/2-1/2 — Amsterdam olm
1956 — Moiseev, Oleg vs Sherbakov, L — 1-0 — Leningrad RUS
1958 — Fazekas, Stephan vs Wade, Robert G — 0-1 — Leamington
10.a4 — 2.9% (68 parties)
1956 — Slepoy, Yosef vs Byvshev, Vasily — 0-1 — Leningrad RUS
1966 — Winkelmann, Max vs Mertens, Gabriel — 1-0 — Bad Timmendorf
1976 — Winkelmann, Max vs Van Gelder, Jan — 1/2-1/2 — Kuortane
1977 — Shamkovich, Leonid vs Fedorowicz, John — 1-0 — New York, NY USA
1981 — Wada, D Russell vs Bogner, Harold — 1-0 — Palo Alto
♔ Blancs ♚ Noirs
Pions doublés — —
Pions isolés — —
Arriérés — ● b7
Chaînes ● f2→g3, h2→g3, c4→d5 ● d6→c5, b7→a6, e7→d6, f7→g6, h7→g6
Passés — —
Majorité — —
Cases
♔ Blancs ♚ Noirs
Cases fortes ● e4 (3v1), ● d5 (3v1) ● g4 (2v0), ● f5 (2v0)
Cases faibles — —
Centre ● d5 (3v1), ● e4 (3v1) ● d4 (1v0), ● e5 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bg2 ● Bg2 Actif (mob. 4)
Bg7 ● Bg7 Enfermé (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 2 (c1, a1) 2 (c8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque — —
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● e2-e3, ● f2-f3 ● …e7-e6, ● …e7-e5
Partie
1954 Amsterdam olm – Round 1 – Cuellar Gacharna, Miguel – 1/2-1/2 – Yanofsky, Daniel Abraham – G31
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. O-O a6 10. a3 Ng4
1954 Amsterdam olm – Round 1 – Robatsch, Karl – 0-1 – Yanofsky, Daniel Abraham – G81
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 c5 7. Nc3 Nc6 8. d5 Na5 9. Nd2 a6 10. Re1 Rb8
1954 Leningrad ch22-SU sf – Round 18 – Tolush, Alexander V – 1/2-1/2 – Skotorenko, Vasily – G55
1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. O-O Nc6 8. d5 Na5 9. Nd2 a6 10. a3 Qc7
1956 Zittau-A 6th – Round 1 – Groiss, Werner – 0-1 – Baumbach, Friedrich, Dr. – G5
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. dxc6 Nxc6
1957 Mar del Plata – Round 1 – Incutto, Carlos – 1-0 – Alonso-Lej De Las Casas, Fernando – G15
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. a3 Ng4
1958 GBR Ch 45th – Round 7.4 – Fazekas, Stephan – 0-1 – Wade, Robert G – G48
1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 c5 6. O-O Nc6 7. d4 d6 8. d5 Na5 9. Nd2 a6 10. a3 Qc7
1958 Haifa/Tel Aviv – Round 6 – Dyner, Israel Boruch – 1/2-1/2 – Persitz, Raaphi – G35
1. d4 Nf6 2. Nf3 c5 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 Nc6 8. d5 Na5 9. Nd2 a6 10. e4 b5
1958 Munich olm prel – Round 1 – Bisguier, Arthur B – 1-0 – Beckman, B. – G2
1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. e4 Rb8
1958 Munich olm prel – Round 5 – Bergraser, Volf – 0-1 – Smyslov, Vladimir – G45
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. O-O Nc6 7. d5 Na5 8. Nfd2 c5 9. Nc3 a6 10. e4 e6
1962 Varna olm – Round 5 – Bergraser, Volf – 1/2-1/2 – Raisa, Unto – G227
1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. d5 Na5 8. Nfd2 c5 9. Nc3 a6 10. e4 e5