B07y — Pirc: 4.Be2

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, case forte d5, Be2 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Bg5 — Clouer Nf6

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...Bb4 — Développer Bf8
● ...c6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B07y —

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7

Eval: [+0.38]

Les coups candidats

5.h4 — 30.8% (1758 parties) →

Ambassadeurs : Mestrovic, Zvonimir (23x), Tagnon, Nicole (11x), Kiik, Kalle (9x), Masternak, Grzegorz (8x), Malaniuk, Vladimir P (7x), Niedermayr, Horst (7x), Hausner, Ivan (7x), Mrkvicka Joseph (6x)

5.Be3 — 28.6% (1633 parties)

Ambassadeurs : Nun, Jiri (10x), Krauseneck, Peter, Dr. (7x), Glasewald, Stefan (6x), Blatny, Frantisek (5x), Nun, Josef (5x), Meijers, Viesturs (5x), Kleyn, H. (4x), Czimer, Jozsef (4x)

5.Nf3 — 20.3% (1162 parties) →

Ambassadeurs : Kadonas, Kestutis (7x), Haag, Ervin (6x), Schirmer, Michael (6x), Hansen, Lars-Henrik Bech (6x), Parma, Bruno (5x), Stamer, Wolfgang (5x), Gavrikov, Viktor (5x), Novak, Ivan (5x)

5.g4 — 11.4% (649 parties) →

Ambassadeurs : Zapolskis, Antanas (14x), Lochte, Thomas (10x), Leisebein, Peter (8x), Portisch, Gabor (7x), Katalymov, Boris (6x), Schlachetka, Werner (6x), Fletcher, John T (6x), Op den Dries, Johan (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.h4	5.Be3	5.Nf3	5.g4
<1800	241	19%	35%	23%	11%
1800-2200	2270	29%	35%	15%	13%
2200-2600	1436	36%	16%	29%	12%
2600+	16	56%	6%	25%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.h4	5.Be3	5.Nf3	5.g4
1930s	2	50%	50%	—	—
1940s	5	—	80%	20%	—
1950s	52	33%	38%	6%	4%
1960s	169	43%	21%	25%	2%
1970s	262	25%	26%	27%	10%
1980s	557	34%	21%	27%	8%
1990s	1530	36%	27%	19%	10%
2000s	1649	29%	31%	16%	14%
2010s	1331	25%	32%	23%	13%
2020s	159	35%	26%	18%	11%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.h4	25%	35%	▲ +9.8%
5.Be3	32%	26%	▼ -5.9%
5.Nf3	23%	18%	▼ -4.8%
5.g4	13%	11%	▼ -1.3%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 3 parties
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

5.h4 — 30.8% (1758 parties)

1939 — Abrahams, Gerald vs Mieses, Jacques — 1-0 — Hastings ENG
1952 — Bhaskar Jyoti Koch vs Czerniak, Magdalena — 0-1 — Helsinki FIN
1952 — Gawlikowski, Stanislaw vs Plater, Kazimierz — 1/2-1/2 — Katowice POL
1953 — Schmid, Lothar vs Udovcic, Mijo — 1-0 — ?
1953 — Schmid, Leo vs Udovcic, Mijo — 1-0 — Venice Venice ITA

5.Be3 — 28.6% (1633 parties)

1939 — Nestler, Vincenzo vs Napolitano, Mario — 1-0 — Rome ITA
1942 — Junge, Klaus vs Loose, Walter — 1-0 — Lublin/Warsaw/Krakow
1942 — Johner, Nicolas vs Zimmermann, Wim — 1/2-1/2 — Svajc
1949 — Neikirkh, Oleg vs Galic, Ivanka — 0-1 — Match \ Bucharest ROM
1949 — Stanchev, Zachari vs Piskov, Kamen — 1-0 — Sofia BUL

5.Nf3 — 20.3% (1162 parties)

1946 — Ellerman, Arnoldo vs Pelikan, Jan — 0-1 — Buenos Aires ARG
1955 — Ghionzoli Soloviev, Leonardo vs Lebedev, Boris — 1-0 — Moscow RUS
1957 — Gentil Junior, Luiz vs Perez Alcocer, J. — 1/2-1/2 — Rio de Janeiro BRA
1957 — Zhukhovitsky, Samuel vs Kikiani, Tamaz — 1/2-1/2 — Tbilisi GEO
1960 — Bolbochan, J. vs Aguilar Dominguez, Cristhel Guadalupe — 1/2-1/2 — Buenos Aires ch-ARG

5.g4 — 11.4% (649 parties)

1957 — Gurgenidze, Bukhuti vs Shamkovich, Leonid — 1-0 — Soviet Union
1958 — Denckens, Leon vs Riddell, John — 1/2-1/2 — Mechelen
1960 — Op den Dries, Johan vs Remouchamps, E. — 1-0 — Beverwijk NED
1965 — Studier, George vs Hernandez Stein, Dario Eduardo — 1-0 — GER
1965 — Hennings, Artur vs Boehnisch, Manfred — 1/2-1/2 — Annaberg-Buchholz GER

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, c1, 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	semi-ouvert
Ruptures	● d4-d5, ● e4-e5, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1939 9. C.to Italiano – Round ? – Nestler, Vincenzo – 1-0 – Napolitano, Mario – G9 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 O-O 6. Qd2 Nc6 7. d5 Ne5 8. h3 c6 9. f4 Ned7 10. Nf3 cxd5
1950 SUI Ch – Round 2 – Mueller, Philip – 0-1 – Naegeli, Oskar – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 O-O 6. h4 h5 7. Qd2 Re8 8. O-O-O Nc6 9. Bg5 Ng4 10. Bxg4 Bxg4
1951 Reggio Emilia – Round 10 – Norcia, Fabrizio – 0-1 – Czerniak, Magdalena – G54 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 O-O 6. g4 e5 7. g5 Nfd7 8. d5 f5 9. gxf6 Nxf6 10. h4 Qd7
1951 Schlechter Memorial – Round ? – Hoenlinger, Baldur – 0-1 – Czerniak, Moshe – G33 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Bf3 Nbd7 6. Nge2 O-O 7. O-O e5 8. Bg5 h6 9. Be3 Kh7 10. Ng3 Rg8
1951 YUG Ch 6th – Round 1 – Karaklajic, Nikola – 0-1 – Rabar, Braslav – G5 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Bg5 Nbd7 6. Qd2 c5 7. d5 a6 8. a4 Qa5 9. f3 h6 10. Be3 b5
1952 Hagen – Round 8 – Staudte, Hans-Hilmar – 0-1 – Rellstab, Ludwig – G11 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. h4 h5 7. f3 b6 8. Nh3 Ba6 9. Ng5 e6 10. Bxa6 Nxa6
1952 Helsinki olm – Round 1 – Milic, Bozidar – 1-0 – Primavera, Giuseppe – G142 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 O-O 6. h4 h5 7. Qd2 e5 8. O-O-O exd4 9. Bxd4 a5 10. Nh3 Bd7
1952 Mar del Plata – Round 10 – Puiggros, Guillermo – 1/2-1/2 – Wexler, Bernardo – G74 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. f4 c5 6. d5 O-O 7. g4 e6 8. g5 Ne8 9. Nf3 exd5 10. Nxd5 Nc6
1953 YUG-ITA m – Round 1.3 – Porreca, Giorgio – 0-1 – Pirc, Vasja – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 O-O 6. Qd2 c6 7. a4 Qa5 8. h4 b5 9. b4 Qxb4 10. axb5 cxb5
1954 Mar del Plata – Round 18 – Fernandez Humerez, Luis Felipe – 1/2-1/2 – Wexler, Bernardo – G139 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 O-O 6. Qd2 e5 7. d5 Ng4 8. Bg5 f6 9. Bh4 Nh6 10. Nf3 Nd7
1954 Munich zt Munich GER – Round 16 – Bhend, Edwin – 1/2-1/2 – Lehmann, Karl-Heinz – G9 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. h4 Qa5 7. Qd2 h5 8. f3 Nbd7 9. Nh3 Nf8 10. Ng5 N6h7
1956 Marianske Lazne/Praha – Round 13 – Beni, Alfred – 0-1 – Pithart, Frantisek – G89 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. Qd2 b5 7. f3 b4 8. Nd1 a5 9. a3 bxa3 10. Rxa3 Bb7
1956 URS Ch sf – Round ? – Khasin, Abram – 1-0 – Byvshev, Vasily – G97 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Bg5 c6 6. Qd2 Qa5 7. O-O-O Nbd7 8. Nf3 e5 9. dxe5 dxe5 10. Bh6 Bxh6
1957 Danmarksmesterskabet – Round 4 – Haahr, Thorkild – 1/2-1/2 – Nielsen, Axel – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 O-O 6. Qd2 c6 7. Bh6 e5 8. Bxg7 Kxg7 9. O-O-O Nbd7 10. f4 Qa5
1957 Zittau-A 6th – Round 7 – Moehring, Guenther – 0-1 – Braun, Gottfried, Dr. – G1 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 Nbd7 6. Qd2 c5 7. d5 a6 8. a4 Qa5 9. Ra3 Qb4 10. Rb3 Nxe4
1958 WchT U26 fin-A 05th – Round 6 – Blatny, Frantisek – 1/2-1/2 – Gipslis, Aivars – G66 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. Qd2 Qa5 7. f3 Nbd7 8. Nh3 Nb6 9. Nf2 Be6 10. d5 cxd5
1959 CSR Ch – Round 14 – Blatny, Frantisek – 1-0 – Olexa, Vilem – G113 1. e4 d6 2. d4 g6 3. Be2 Nf6 4. Nc3 Bg7 5. Be3 c6 6. Qd2 Qa5 7. f3 Nbd7 8. Nh3 b5 9. Nf2 Nb6 10. O-O Nc4
1961 Katowice ch18-POL – Round 6 – Kostro, Jerzy – 1-0 – Balcerowski, Witold – G43 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. f4 c5 6. Nf3 O-O 7. dxc5 Qa5 8. O-O Qxc5+ 9. Kh1 Nc6 10. Nd2 Nd4
1961 URS Ch sf Batumi GEO – Round ? – Press, Grigory – 0-1 – Gipslis, Aivars – G39 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. a4 a5 7. h4 h5 8. Qd2 Ng4 9. Bxg4 Bxg4 10. Nge2 Na6
1962 Asztalos Memorial 5th – Round 7 – Radovici, Corvin – 1/2-1/2 – Bilek, Istvan – G54 1. e4 g6 2. Nc3 Bg7 3. d4 d6 4. Be2 Nf6 5. Bg5 c6 6. Qd2 Nbd7 7. h3 b5 8. a3 Bb7 9. Nf3 Qc7 10. O-O a6
1962 Sofia – Round 9 – Orev, Petar – 0-1 – Tringov, Georgi P – G56 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be2 Nf6 5. Be3 c6 6. Qd2 Qa5 7. a3 Nbd7 8. g4 O-O 9. h4 b5 10. b4 Qc7
1963 Amsterdam m1 – Round 1 – Cuijpers, Frans Andre – 0-1 – Botvinnik, Mikhail – G5 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be2 Nf6 5. f4 c5 6. Nf3 cxd4 7. Nxd4 Nc6 8. Nxc6 bxc6 9. O-O O-O 10. Be3 Rb8
1964 1. division -65 – Round 2.4 – Haahr, Thorkild – 1-0 – Henriksen, Palle V. – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 Nbd7 6. Qd2 e5 7. O-O-O c6 8. dxe5 dxe5 9. Bc5 Bf8 10. Bxf8 Rxf8
1964 Tel Aviv olm fin-B – Round 7 – Zwaig, Arne – 1/2-1/2 – Skold, Kristian – G23 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. h4 Nbd7 7. h5 gxh5 8. Qd2 Qa5 9. a3 b5 10. b4 Qc7
1964 Tel Aviv olm prel – Round 3 – Papadopoulos, Ioannis NA – 0-1 – Tringov, Georgi P – G85 1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Be2 Bg7 5. f4 O-O 6. Be3 c6 7. e5 Nd5 8. Nxd5 cxd5 9. Nf3 Nc6 10. O-O Qb6
1965 Moscow RUS – Round 1 – Gruzmann, Boris – 1-0 – Liberzon, Vladimir M – G6 1. e4 d6 2. d4 g6 3. Be2 Bg7 4. Nc3 Nf6 5. Bg5 c6 6. Qd2 O-O 7. h4 e5 8. O-O-O exd4 9. Qxd4 Nbd7 10. Qxd6 Qb6
1966 BRA-ch33 – Round 3 – Borges, Lucas Silvestre – 0-1 – De Souza Mendes, Joao – G6 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. Qd2 O-O 7. h4 h5 8. f3 b5 9. Nh3 Nbd7 10. Nf4 Nb6
1966 Le Havre – Round 2 – Macles, Jacques – 1/2-1/2 – Gereben, Erno – G39 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 Na6 6. h4 h5 7. f3 c6 8. Qd2 b5 9. a3 Nc7 10. Nh3 Bxh3
1966 Reykjavik – Round 2 – Thorbergsson, Freysteinn – 1/2-1/2 – Vasiukov, Evgeni – G9 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. Qd2 Nbd7 7. h4 h5 8. f3 b5 9. a3 Nb6 10. b3 Bb7
1968 Hastings6869 – Round 2 – Fuller, Maxwell Leonard – 0-1 – Keene, Raymond D – G10 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 O-O 6. Qd2 Nc6 7. h3 e5 8. Nf3 exd4 9. Nxd4 Re8 10. f3 d5
1968 Lugano ol (Men) – Round 1 – Keller, Dieter – 1/2-1/2 – Penrose, Justin – G54 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. h4 Qa5 7. Qd2 Nbd7 8. a3 h5 9. f3 e5 10. dxe5 dxe5
1969 Vilnius – Round 5 – Westerinen, Heikki M.J. – 0-1 – Razuvaev, Yuri S – G31 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be2 Nf6 5. Bf4 O-O 6. Nf3 Nc6 7. O-O Bg4 8. d5 Nb8 9. Qd2 Nbd7 10. Bh6 Bxf3

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