Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● c7→d6, e7→d6, f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0), ● d5 (2v1) ● g4 (2v0)
Cases faibles
Centre ● d4 (2v0), ● d5 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bf1 ● Bf1 Non développé (mob. 0)
Bg7 ● Bg7 Ok (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 4 (● c1, ● f1, ● a1, ● h1) 4 (● b8, ● c8, ● 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 ● …c7-c5, ● …d6-d5, ● …e7-e5

B07q — Pirc: 4.Nge2

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nge2 Bg7   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bR
bP
bP
bP
bP
bP
bB
bP
bP
bN
bP
Case forte (2v1)
wPPion central
wPPion central
Case forte (2v0)
wN
wP
wP
wP
wN
wP
wP
wP
wR
wBFou actif — mobilité 5
wQ
wK
wB
wR
abcdefgh
Plans. g3 (Préparer le fianchetto — 89 % des parties) ; h3 (Empêcher ...Bg4 — 4 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wR
wP
wP
wP
wN
wP
wP
wP
wN
Case forte (2v0)
wP
wP
bP
bN
bP
bP
bB
bP
bP
bP
bP
bP
bR
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 83 % des parties) ; ...c6 (Renforcer le centre — 6 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1962 CSR Ch – Round 3 – Acosta Fabian, Janna Paloma – 1-0 – Kavalek, Lubomir – G25
1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nge2 Nf6 5. g3 O-O 6. Bg2 e5 7. h3 Nc6 8. Be3 Bd7 9. d5 Ne7 10. Qd2 c6
1964 Sarajevo 7th – Round 2 – Dely, Peter – 1/2-1/2 – Gojak, Ilija – G2
1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nge2 Bg7 5. f3 c6 6. Be3 Nbd7 7. a4 O-O 8. Ng3 e5 9. Be2 Re8 10. O-O d5
1967 Churchill Memorial Open 15th – Round 7 – Drimer, Dolfi – 1-0 – Paige, Roger Leslie – G8
1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nge2 Nf6 5. Ng3 c6 6. Be2 O-O 7. h4 e5 8. d5 cxd5 9. exd5 Nbd7 10. Bg5 h6
1968 Sombor – Round 1 – Buljovcic, Ivan – 1/2-1/2 – Matulovic, M. – G10
1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nge2 Nf6 5. g3 O-O 6. Bg2 e5 7. O-O Nc6 8. h3 exd4 9. Nxd4 Nxe4 10. Nxc6 Nxc3
1969 Sweden – Round 1 – Andersson, Ulf 1949 – 1/2-1/2 – Jansson, Borje – G40
1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nge2 Bg7 5. g3 O-O 6. Bg2 e5 7. O-O Nc6 8. d5 Ne7 9. f3 Bd7 10. Be3 c6

B07q — Pirc (1962)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nge2 Bg7
Les coups candidats
5.g3 — 81.3% (698 parties)
Ambassadeurs : Djurhuus, Rune (7x), Hoi, Carsten (6x), Hernandez Guerrero, Gilberto (6x), Donner, Jan-Hein (5x), Hartoch, Robert G (5x), Haessel, Dale R. (5x), Gulko, Boris (5x), Al-Mudahka, Mohd (5x)
5.h3 — 9.0% (77 parties)
Ambassadeurs : Dolgener, Tobias (4x), Paulsen, Dirk (3x), Okhotnik, Vladimir (2x), Osborne, David C (2x), Ionica, Iulia-Ionela (2x), Bognar, Csaba Dr. (2x), Kasparova, Tatiana (2x), Boey, Josef (1x)
5.f3 — 5.1% (44 parties)
Ambassadeurs : Tasev, Dejan (2x), Dely, Peter (1x), Gojak, Ilija (1x), Rutanen, E. (1x), Bronstein, David I (1x), Endzelins, Lucius (1x), Shamkovich, Leonid (1x), Orr, Mark J L (1x)
5.Ng3 — 3.0% (26 parties)
Ambassadeurs : Berry, James (2x), Idjuski, Aleksandar (1x), Kosanovic, Dusan (1x), Sahib, Bruno Aguilar (1x), Rasmussen, Poul (1x), Drimer, Dolfi (1x), Paige, Roger Leslie (1x), Corona Gentil, Jose Luis (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.g3 5.h3 5.f3 5.Ng3
<1800 28 71% 7% 4% 11%
1800-2200 281 74% 12% 9% 4%
2200-2600 439 88% 8% 2% 0%
2600+ 4 100%
Évolution par décennie (% des parties)
Décennie N parties 5.g3 5.h3 5.f3 5.Ng3
1950s 2 50% 50%
1960s 9 56% 11% 33%
1970s 39 92% 8%
1980s 107 96% 4%
1990s 242 87% 5% 3% 3%
2000s 226 81% 9% 6% 2%
2010s 201 66% 17% 9% 5%
2020s 33 82% 15% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.g3 66% 82% ▲ +16.1%
5.h3 17% 15% ▼ -2.3%
5.f3 9% 0% ▼ -9.0%
5.Ng3 5% 3% ▼ -2.4%
Parties historiques
5.g3 — 81.3% (698 parties)
1954 — Hultgren, Neil vs Zemitis, Val — 0-1 — No. California
1962 — Fabian Jesse vs Kavalek, Lubomir — 1-0 — Jablonec
1963 — Bykhovsky, Anatoly A vs Murey, Jacob — 1-0 — Moscow RUS
1966 — Buljovcic, Ivan vs Honfi, Karoly — 0-1 — Reggio Emilia ITA
1968 — Buljovcic, Ivan vs Matulovic, Milan — 1/2-1/2 — Sombor
5.h3 — 9.0% (77 parties)
1983 — Boey, Josef vs Veerman, Jan — 1-0 — Roosendaal NED
1989 — Vilej vs Okhotnik, Vladimir — 0-1 — Budapest HUN
1989 — Wiley, Tom E vs Okhotnik, Vladimir — 0-1 — Budapest open
1989 — Woerdemann, Martin vs Gawehns, Klaus — 1/2-1/2 — GER
1991 — Osborne, David C vs Helbig, Paul D — 1-0 — Bristol ENG
5.f3 — 5.1% (44 parties)
1952 — Rutanen, E. vs Bronstein, David I — 0-1 — Liverpool
1964 — Dely, Peter vs Gojak, Ilija — 1/2-1/2 — Sarajevo BIH
1970 — Endzelins, Lucius vs Shamkovich, Leonid — 1/2-1/2 — corr FRG jub
1975 — Orr, Mark J L vs Schussler, Harry — 0-1 — Groningen NED
1975 — Triller, Rudolf vs Tonoli, Peter — 0-1 — Groningen NED
5.Ng3 — 3.0% (26 parties)
1967 — Drimer, Dolfi vs Paige, Roger Leslie — 1-0 — Bognor Regis
1968 — Idjuski, Aleksandar vs Kosanovic, Dusan — 1-0 — Slovenj Gradec
1968 — Sahib, Bruno Aguilar vs Rasmussen, Poul — 1-0 — Manila PHI
1991 — Lilja, Richard vs Bruun, Erling — 1-0 — Ringsted
1993 — Kysel, Jozef vs Habek, Juraj Vilim — 0-1 — Slovakia