[Event "?"]
[Site "?"]
[Date "2019.??.??"]
[Round "?"]
[White "Rauzer Bc4"]
[Black "?"]
[Result "*"]
[ECO "B89"]
[Annotator "Boris avrukh"]
[PlyCount "48"]
[EventDate "2019.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Bd7 8.
Qe2 {[%cal Ge1c1,Gg2g4]} (8. Qd2 {[%cal Gf6g4]}) 8... a6 9. Bb3 (9. O-O-O b5
10. Nxc6 (10. Bb3 Na5 {see main line}) 10... Bxc6 11. Bb3 {[%cal Ge4e5,Gd1d8]}
(11. Bd3 b4 12. Nb1 Qa5 $40 {[%csl Ga2]}) 11... Qc7 {[%cal Gf6e4]} (11... b4
12. Nd5) 12. Bd4 Be7 13. Bxf6 (13. e5 dxe5 14. Bxe5 Qb7 15. f3 O-O $17 {
[%csl Rb3][%cal Ga6a5,Ga5a4,Gb5b4] 0-1 (28) Zhang,A (2144)-Burke,J (2541) New
York 2018}) 13... Bxf6 14. Nd5 Bxd5 $1 15. exd5 e5 16. h4 (16. Kb1 Qb6) 16...
O-O 17. g4 g6 18. g5 Bg7 19. Kb1 Rfb8 20. c3 a5 21. Bc2 b4 22. c4 b3 23. axb3
a4 24. Rh3 e4 $19 {0-1 (29) Kadric,D (2562)-Kozul,Z (2614) Bihac 2016}) 9... b5
10. O-O-O {[%cal Gd4c6,Ge4e5]} Na5 (10... Qc7 11. g4 b4 12. g5 (12. Nd5 $2 exd5
13. exd5 Nxd4 14. Bxd4+ Kd8 15. g5 Ng8 $17) 12... bxc3 13. gxf6 cxb2+ 14. Kb1
$146 gxf6 15. Qh5 {[%csl Ge8] problematic for Black.}) 11. f3 (11. Kb1 Be7 {
[%cal Gb5b4]} 12. Bc1 O-O 13. Rhe1 b4 14. Na4 Nxb3 15. axb3 Qc7 $17 {1/2-1/2 
(34) Vocaturo,D (2603)-Van Wely,L (2661) Belgium 2017}) (11. g4 b4 12. Na4
Nxb3+ 13. axb3 Nxe4 $146 (13... Be7 $5 $146 {[%csl Ge4]} 14. f3 g6 $146 15. g5
Nh5 $13) (13... Bxa4 14. bxa4 Nxe4 {0-1 (32) Lauridsen, J (2250)-Demchenko,A 
(2625) Chess.com INT 2023} 15. Nb3 $44) 14. Rhe1 {[%csl Gb6,Ge4][%cal Gd4e6,
Ge3b6]} Bxa4 15. bxa4 Qa5 $132) 11... b4 (11... Be7 12. g4) 12. Na4 {[%csl Gb6]
} Rb8 {[%csl Gb6]} (12... Nxb3+ $6 13. cxb3 Qa5 14. Kb1 Bxa4 15. bxa4 Qxa4 16.
Rc1 $16 {[%cal Gd4c6] 0-1 (82) Pranav,V (2545)-Fier,A (2606) Chess. com INT
2023}) (12... Be7 13. g4) 13. g4 Be7 $146 {new position here} (13... Bb5 14.
Nxb5 Nxb3+ 15. axb3 axb5 16. Nc5 Qa5 17. Nd3 Be7 18. Kd2 $36 {[%cal Gd1a1] 1/2
(40)-1/2 (40) Aryan,C (2618)-Samant,A (2470) Sitges 2022}) 14. g5 (14. h4 Bb5
15. Qh2 O-O {[%csl Ga4][%cal Gd8e8]} 16. h5 Nd7 $13) 14... Nh5 15. f4 {[%cal
Ge2h5]} g6 16. f5 Qc7 {[%csl Gd8]} 17. f6 (17. Kb1 e5) (17. fxe6 Nxb3+) 17...
Bd8 18. Kb1 (18. Qxa6 Nxb3+ 19. axb3 O-O $44) 18... Nxb3 19. axb3 (19. cxb3 e5)
19... e5 20. Nf5 {[%csl Gh5]} gxf5 21. Qxh5 Bxa4 22. bxa4 b3 23. cxb3 Rxb3 24.
Bc1 Qb7 $132 {[%cal Gd8a5,Ge8d7]} (24... f4) *

[Event "?"]
[Site "chess.com INT"]
[Date "2023.??.??"]
[Round "?"]
[White "Rauzer rare 7th moves"]
[Black "?"]
[Result "*"]
[ECO "B62"]
[Annotator "Avrukh,B"]
[PlyCount "32"]
[EventDate "2019.01.08"]
[EventType "team (rapid)"]
[EventRounds "10"]
[EventCountry "USA"]
[Source "Mark Crowther"]
[SourceVersion "1"]
[SourceVersionDate "2019.03.25"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bb5 (7. Qd3 {
[%cal Gd3g3]} Bd7 {my choice} (7... Be7 8. O-O-O) (7... a6 8. Nxc6 bxc6 9.
O-O-O) 8. O-O-O (8. Ndb5 Nb4 9. Qd1 (9. Qd2 a6 {[%csl Gc2]} 10. Bxf6 (10. Nd4
h6 11. Bh4 Rc8 12. a3 Nc6 13. Nxc6 Bxc6 14. Bd3 g5 15. Bg3 Nh5 16. Ne2 Bg7 $15
{1-0 (33) Volokitin,A (2652)-Shevchenko,K (2633) Kiev 2021}) 10... gxf6 11. Nd4
Nc6 12. O-O-O Qb6 (12... b5 $5) 13. Nb3 O-O-O) 9... Qb8 (9... a6 10. Bxf6 $1
$146 gxf6 11. a3 Nxc2+ (11... axb5 {[%csl Ga1]} 12. axb4 {[%csl Gb5]}) 12. Qxc2
axb5 13. Bxb5 $14) 10. Bf4 (10. Bxf6 gxf6 11. Be2 a6 12. Nd4 Qc7 (12... Qa7 13.
O-O) 13. Bh5 Bg7 14. O-O O-O $13) (10. a3 Nc6) 10... e5 11. Bg5 {[%cal Gc3d5]}
a6 12. Na3 b5 13. Bxf6 (13. Nab1 Be7 14. Bxf6 Bxf6 15. a3 Nc6 16. Nd5 Bd8 17.
Nbc3 O-O 18. Bd3 {1/2-1/2 (62) Mariette,L (2284)-Solodovnichenko,Y (2503)
Chartres 2023} Be6 19. O-O Ne7 $15) 13... gxf6 14. Nab1 (14. Be2 Qb7 $146 15.
O-O f5 16. Bf3 (16. exf5 d5 $44) 16... d5 17. Nxd5 Nxd5 18. exd5 Qb6 19. c4 e4
20. Be2 Bd6 $44 {[%csl Ga3]}) 14... Bg7 15. a3 (15. g3 O-O 16. a3 Nc6 17. Nd5
Be6 18. Bd3 (18. Nbc3 f5 19. Bg2 f4 20. O-O Kh8 $13) 18... f5 19. Nbc3 fxe4 20.
Bxe4 {[%csl Gc6] 1/2-1/2 (34) Fernandez Borrego,P (2402)-Stremavicius,T (2549)
Barbera del Valles 2023} Qd8 $15 {[%cal Gc6d4]}) 15... Nc6 16. Nd5 (16. Bd3 Ne7
17. Nd2 {1-0 (45) Shevchenko,K (2649)-Supi,L (2612) Chess.com INT 2022} d5 $1
18. Nxd5 Nxd5 19. exd5 f5 20. c3 e4 21. Bc2 O-O 22. O-O a5 $44 {[%cal Ga8a6,
Ga6g6]}) 16... f5 17. Nbc3 (17. Bd3 fxe4 18. Bxe4 O-O $132) (17. Qh5 fxe4 18.
Qg5 {[%cal Gd5f6]} Kf8 19. Nbc3 Be6 20. O-O-O h5 {[%cal Gg7h6]} 21. Kb1 {
1-0 (56) Avila Pavas,S (2460)-Sanchez Alvarez,R (2436) Medellin 2022} Rh6 $17
22. Nxe4 Nd4 {[%cal Ge6d5]} 23. Qe7+ Kg8 {[%cal Ga8a7]}) 17... O-O 18. exf5
Bxf5 19. g4 Bg6 20. Bg2 Qa7 21. h4 (21. Ne4 f5 22. gxf5 Rxf5 23. c3 Raf8 $15 {
1-0 (59) Kvaloy,A (2266)-Royal,S (2438) Fagernes 2023}) 21... Nd4 22. Ne4 (22.
Ne3 $1 {[%cal Gh4h5]} h6 23. Bxa8 Qxa8 {[%csl Gh1]} 24. Rh3 f5 $132) 22... f5
23. h5 Bf7 24. Ng5 e4 {[%csl Gd5]} 25. h6 Be5 26. Nc3 Bc4 $19 {0-1 (44) Yoo,C 
(2607) -Maghsoodloo,P (2734) Sharjah 2023}) 8... a6 9. f4 (9. Be2 h6 10. Bh4
Be7 ({Risky} 10... Ne5 11. Qe3 g5 12. Bg3 b5 {0-1 (51) Lampert,J (2514)
-Sutovsky,E (2683) Douglas 2017} 13. h4) 11. f4 Rc8 12. Nxc6 (12. Kb1 O-O 13.
Nb3 Nxe4 $1 14. Nxe4 Bxh4 15. Qxd6 Qb6 {[%cal Gc8d8]} 16. Qc5 {1/2-1/2 (16)
Maffioletti,F (1958)-Santamaria Perez, T (2370) ICCF email 2014} Qc7 $15) 12...
Bxc6 13. f5 O-O 14. fxe6 fxe6 15. Bf3 Qa5 16. Kb1 Be8 {[%cal Ge8g6,Ge8f7]} 17.
Bg3 e5 18. Nd5 Nxd5 19. exd5 (19. Qxd5+ Qxd5 20. Rxd5 $11 (20. exd5 Bg6 $36))
19... Bb5 20. Qg6 Rf6 $36) 9... Be7 $1 10. Nf3 Qa5 11. Kb1 Rc8 12. Bxf6 (12.
Qe3 Nb4 $1 (12... b5 {0-1 (52) Abrahamyan,T (2312)-Bacrot,E (2646) Chess.com
INT 2022} 13. e5) 13. a3 Nxc2 14. Kxc2 Ba4+ 15. Kc1 Bxd1 16. Kxd1 d5 $36) 12...
Nb4 $146 (12... gxf6 13. Qe3) 13. Qd2 (13. Qe3 Bxf6) 13... gxf6 14. a3 Nc6 15.
Qe3 b5 $132) (7. Nxc6 bxc6 8. e5 (8. Qd2 h6 9. Bf4 (9. Bxf6 Qxf6 10. O-O-O Rb8
$15) (9. Bh4 Be7 {[%cal Gf6e4]} 10. O-O-O {[%cal Gc3e4,Ge4d6]} O-O $15) 9... e5
$1 10. Bg3 (10. Be3 Ng4) 10... Nh5 11. O-O-O Be7 12. Kb1 Rb8 $15 {[%cal Gc8e6]}
) (8. Qf3 h6 9. Bh4 Be7 10. O-O-O Qb6 $11) 8... Qa5 $5 {[%cal Ga5g5]} (8...
dxe5 9. Qxd8+ Kxd8 10. O-O-O+ Kc7 $15) 9. Bb5 (9. exf6 Qxg5 10. fxg7 Qxg7 $15)
(9. Bxf6 gxf6 10. exd6 (10. Bd3 Qxe5+ $19) 10... Rb8 {[%csl Gb2]} 11. Qf3 (11.
Rb1 Rxb2 $19 {[%cal Ga5c3]}) 11... Rxb2 12. Qxc6+ Bd7 13. Qa8+ Qd8 14. Qxd8+
Kxd8 15. O-O-O Rb6 $17) 9... cxb5 10. exf6 b4 11. Ne4 (11. Qf3 Qe5+ $1 12. Be3
(12. Kd1 d5 $19) (12. Ne2 d5 $17) (12. Ne4 $2 Bb7 13. O-O Qxe4 $19) 12... Rb8
$1 13. Ne2 Qxf6 $17) 11... Qe5 $1 12. Qd3 (12. f3 d5 13. Qd2 h6 14. Bh4 Qxb2
$19) (12. Qe2 d5 $19) 12... Bb7 13. f3 Bxe4 14. Qxe4 Qxe4+ 15. fxe4 gxf6 16.
Bxf6 Rg8 17. Kf2 Rg6 $17 {[%cal Ga8c8] Muir,W-Abramson,M ICCF corr 1965}) (7.
Be2 {[%csl Ge2,Gg5]} Be7 $1 8. O-O (8. Qd2 O-O (8... Nxe4 $5 9. Nxe4 Bxg5 10.
Nxg5 Nxd4 11. Qxd4 Qxg5 12. Qxd6 Bd7 13. Bf3 O-O-O 14. O-O Bc6 $11) 9. O-O (9.
O-O-O Nxd4 10. Qxd4 Nxe4 $1 11. Bxe7 Nxc3 {[%cal Gc3e2]} 12. Qh4 Nxe2+ 13. Kb1
Qb6 14. Rxd6 Nc3+ 15. Kc1 Nxa2+ 16. Kb1 Nc3+ {at least draw for Black.}) 9...
Nxd4 10. Qxd4 Bd7 11. Rad1 Bc6) (8. f4 h6 9. Bh4 Qb6 $1 10. Bxf6 Bxf6 11. Nb3
O-O $15) (8. Ndb5 $6 O-O 9. O-O a6 10. Bxf6 Bxf6 11. Nxd6 Qc7 12. Nxc8 Raxc8
$15) 8... O-O 9. Qd2 Nxd4 10. Qxd4 Bd7 11. Rad1 Bc6 $11) (7. f4 {will also be
covered seperately} h6 $1 8. Bh4 (8. Bxf6 Qxf6 9. Nxc6 (9. Ndb5 {[%csl Gc7,Gd6]
} Qd8 10. Qd2 a6 11. Nd4 Be7 $15) (9. Bb5 Bd7 {0-1 (27) Szarwacki,D (1928)
-Fistek,D (2167) Lublin 2007}) 9... bxc6 10. Qf3 Qd4 $1 {[%csl Ge1]} 11. e5 d5
12. Nd1 Rb8 $17 {0-1 (25) Hengles,R (1740) -Riegler,D (1956) Cagliari ITA 2019}
) 8... Be7 $1 9. Qd3 (9. Nb3 Nxe4 10. Bxe7 Nxc3 11. Bxd8 Nxd1 12. Rxd1 Kxd8 13.
Rxd6+ Ke7 14. Rd2 b6 15. Be2 g5 16. Bf3 Bb7 17. Nd4 Nxd4 18. Bxb7 Rad8 $15 {
0-1 (41) Aparicio,A-Sanguineti,R Santa Fe 1973} 19. fxg5 hxg5) 9... e5 ({
Risky but interesting} 9... g5 $5 10. fxg5 (10. Nxc6 bxc6 11. fxg5 Ng4 12. Bg3
hxg5 $11) 10... Ng4 {[%csl Ge8]} 11. Nxc6 bxc6 12. Bg3 hxg5 $13 {0-1 (39)
Schwarhofer,C (2366) -Papp,G (2583) Austria 2017}) 10. Nxc6 (10. fxe5 Nxe5 (
10... dxe5 $5 11. Nxc6 bxc6 12. Qxd8+ Bxd8 $11) 11. Qd2 O-O 12. O-O-O Nxe4 13.
Bxe7 Nxd2 14. Bxd8 Nxf1 15. Be7 Ne3 16. Rde1 Nxg2 17. Re2 Nf4 18. Re4 Re8 19.
Bxd6 Nfg6 20. Rhe1 f6 21. Nd5 $11 {1/2-1/2 (21) Warzecha,H (2234)-Dorer,M 
(2316) ICCF 2016}) 10... bxc6 11. fxe5 (11. f5 O-O 12. O-O-O Qa5 13. g4 Rb8
$132) 11... dxe5 12. Qxd8+ Bxd8 13. Bc4 Bg4 $5 (13... Ke7 14. O-O-O Be6 15.
Bxe6 Kxe6 $11) 14. h3 Bh5 15. g4 Bg6 16. O-O-O Nxe4 17. Rxd8+ Rxd8 18. Bxd8
Kxd8 19. Bxf7 Nxc3 20. Bxg6 Ne2+ 21. Kd2 Nf4 22. Bf5 Ke7 23. Ke3 Rd8 $11 {
Sherwood,A (2187) -Vaughan,J (2115) ICCF email}) (7. Qd2 a6 $1 (7... Bd7 8.
Ndb5)) 7... Bd7 8. Qd3 (8. Bxc6 bxc6 9. Qf3 {[%cal Ge4e5,Ge1c1]} h6 10. Bh4 e5
11. Nf5 Bxf5 12. Qxf5 Qd7 13. Qf3 (13. Qxd7+ Nxd7) 13... Be7 14. O-O-O O-O 15.
Rd3 {0-1 (38) Morgunov,D (2329)-Shengelia,D (2523) Vienna 2019} a5 $132) 8...
Nxd4 $5 9. Bxd7+ (9. Qxd4 Bxb5 10. Bxf6 (10. Nxb5 Qa5+ {[%csl Gb5,Gg5]}) 10...
Qxf6 (10... gxf6 11. Nxb5 Qa5+ 12. Nc3 Rc8 13. O-O Rg8 $132 14. Qxf6 $140 Bg7
$36 {[%cal Gg7c3]}) 11. Qxf6 gxf6 12. Nxb5 {[%csl Gc7,Gd6]} Rd8 13. Nxa7 Rg8
14. O-O d5 $44 {[%cal Gf8c5]}) 9... Qxd7 10. Qxd4 Be7 11. O-O-O Rc8 (11... O-O
12. e5 {[%csl Gd7]}) 12. Kb1 (12. Bxf6 Bxf6 13. Qxd6 Qxd6 14. Rxd6 Bxc3 15.
bxc3 Ke7 16. Rhd1 Rc7 17. f4 Rhc8 18. R1d2 Ke8 19. Kb2 Rxc3 $15 {1/2 (30)-1/2 
(30) Butolo,A (2043)-Baenziger,F (2426) Sitges 2022}) (12. Qxa7 Qc6 {[%cal
Gf6e4]} 13. Rd2 (13. Bxf6 Bxf6 14. Rd3 O-O $44 {[%csl Gf6][%cal Gb7b5]}) 13...
h6 14. Bh4 {1/2-1/2 (49) Fedoseev,V (2701) -Oparin,G (2674) Chess.com INT 2022}
Nxe4 $146 15. Nxe4 Qxe4 16. Bxe7 Kxe7 17. f3 Qc6 $11) 12... Qc6 {[%cal Gf6e4]}
13. f4 O-O {[%cal Gb7b5]} 14. Qxa7 (14. e5 dxe5 15. fxe5 Nd5 16. Bxe7 Nxe7 $15
{[%csl Ge5]}) 14... h6 15. Bh4 g5 $1 $146 (15... Nxe4 16. Bxe7 Nxc3+ 17. bxc3
Qc4 18. Bxf8 Qxc3 19. Qd4 Qxc2+ 20. Ka1 {1-0 (20) Sethuraman,S (2644)-Gelfand,
B (2676) chess24.com INT 2020}) 16. fxg5 Nxe4 *