Sicilian c3 with 2... d5 Exchange System 1. e4 c5 2. c3 d5 3. ed5 Qd5 4. d4
1 2 3 4 5 6 7 8
Kirilov Gambit Schlechter
Variation
Isolani Variation ...Nc6 Declined ...Nc6 Accepted Fianchetto
Variation
...Nf6 Declined ...Nf6 Accepted
... cd4 ... Nc6 ... g6 ... Nf6
5. cd4 5. dc5!? 5. dc5 5. dc5
... Nc6 ... e6 (h) ... Qc5 ... Qd1 ... Qc5 (m) ... Qc5 ... Qd1
6. Nf3 6. Nf3 6. Na3 6. Kd1 6. Nf3 6. Nf3 6. Kd1
... Bg4 ... e5 (d) ... Nc6 ... e5?! (k) ... Bf5 (l) ... Nf6 ... Nc6 (p) ... e5 (t)
7. Nc3 7. Nc3 7. Nc3 7. Nb5 7. Nf3 7. Be3 (n) 7. Na3 7. b4
... Bf3 (a) ... Bb4 ... Bb4 (i) ... Qb6 ... 0-0-0 ... Qa5 (o) ... Qa5 (q) ... Nc6 (u)
8. gf3 8. Bd2 8. Bd3 8. Be3 8. Ke1 8. Na3 8. b4!? (r) 8. Nf3 (v)
... Qd4 ... Bc3 ... Nf6 (j) ... Qd8 ... e5 ... Nc6 ... Qc7 ... a5
9. Qd4 9. Bc3 9. 0-0 9. Qd8 9. Be3 9. Nc4 9. Nb5 9. Bb5
... Nd4 ... e4 (e) ... Bc3 ... Kd8 ... Nf6 ... Qc7 ... Qb8 ... Bd7
10. Nb5! 10. Ne5 10. bc3 10. 0-0-0 10. Bb5 10. Qa4 10. Be2 (s) 10. Re1
... Nc2ch (b) ... Ne5 (f) ... 0-0 ... Bd7 ... Ng4 ... Bd7 ... a6 ... ab4
11. Kd1 11. de5 11. Re1 11. Bc4 11. b4 11. Nb6 11. Nd4 11. cb4
... Rc8 ... Ne7 ... b6 ... Nh6 ... Bd7 ... e4
12. Na7 12. Be2 12. Bg5 12. Bh6 12. 0-0 12. Bd2
... Rc5 ... 0-0 ... Nd7 ... gh6 ... e5 ... Be7
13. Rb1 (c) 13. 0-0 13. Be4 13. Bf7 13. Nc6 13. Ng5
... Bf5 (g) ... Qd6 ... a6 ... Bc6 ... 0-0
14. Qa4 14. d5 14. Be6 14. Qb3 14. Ne4
+/- +/- +/- +- +/- +/- += +/-

PGN (Portable Game Notation) file with 163 games.
(a) Queen moves suck, since black gets blown away after 8. d5. E.g. 7 ... Qa5 8 d5 Ne5 (8 ... O-O-O 9 Bd2 Nb4 10 Rc1 Kb8 11 Nb5 +- ; 8 ... Rd8 9 Bd2 Ne5 10 Nxe5 +- ; 8 ... Nb8 9 Bc4 Nd7 10 Qb3 ) 9 Nxe5 Bxd1 10 Bb5+ Kd8 11 Nxf7+ Kc8 12 Kxd1 +- ; 7 ... Qh5 8 d5 Bxf3 (8 ... O-O-O 9 Qa4 Bxf3 10 gxf3 Ne5 (10 ... Qxf3 11 dxc6 +- ) 11 Be2 Nxf3+ 12 Bxf3 Qxf3 13 Rg1 +- ) 9 gxf3 O-O-O 10 Qa4 ; 7 ... Qe6+ 8 Be3 O-O-O 9 d5 Qf6 10 Qc1 +-

(b) 10 ... Ne6 11 f4 g6 12 Bg2 O-O-O (12 ... Bg7 Dyckmans - Abolianin, Ghent op 1995 13 Bxb7!? ) 13 Be3 a6 14 Rc1+ Kb8 15 Ba7+ Ka8 16 Bb6 +- Mikhalchishin - Sellos, Primorsko 1978 ; 10 ... e5 11 Nc7+ Kd7 12 Nxa8 Bb4+ 13 Kd1 +/= Ne7 14 f4!? Cirabisi - Leoncini, Imperia 1988 ; 10 ... O-O-O 11 Nxd4 Rxd4 12 Be3 Rd7 (12 ... Ra4 13 Rc1+ Kd8 14 Bb5 Rachels - Einarsson 1981 ; 12 ... Rd6 13 Bxa7 Nf6 14 Rc1+ ) 13 Bb5 Rc7 14 Bxa7 e6 (14 ... e5 15 Bb6 Bb4+ 16 Kd1 ) 15 Bb6 Bb4+ (15 ... Rc2 16 O-O Rxb2 (16 ... Ne7 17 Rac1 Rxc1 18 Rxc1+ Nc6 19 Ba5 (19 a4 Kb8 20 a5 ) 19 ... Bd6 20 Bxc6 ) 17 Rfd1 Be7 18 Bd7+ ) 16 Kd1 Nf6 ; 10 ... Rd8 11 Nxd4 Rxd4 12 Be3 Rb4 13 a3 Rh4 14 Bb5+ +- Kiss - Porubszky, Tungsram 1991 ; 10 ... Nxb5 11 Bxb5+ Kd8 12 Bf4 +- Uppstrom - Sundman, 1959

(c) 13. Rb1 is Bill Orton's suggestion. Also playable is 13 Be3 Nxe3+ 14 fxe3

(d) 6 ... e6 leads to the next column, the Isolani Variation.

(e) 9 ... Qe4+ 10 Qe2 Qxe2+ 11 Bxe2 exd4 12 Nxd4 +/- ; 9 ... exd4 10 Nxd4 Nf6 (10 ... Nxd4 11 Qxd4 Qxd4 12 Bxd4 +/- ) 11 Nxc6 Qxc6 12 Bxf6 Qxf6 13 Bb5+ Kf8 14 0-0 +/-

(f) 10 ... Nh6 11 Bc4 Qd6 12 Qe2 Bf5 13 Rd1 Rd8 14 O-O O-O 15 h3 +/- Ostermeyer,Peter - Kaiser,Wolfgang, Germany 1987

(g) 13 ... Qe6 14 Qd4 Qg6 15 Rfe1 Be6 Pavasovic - Starostits, Bled 2002 (15 ... Nc6 16 Qe3 Bf5 17 Rad1 Rad8 18 h4 +/= Smagin,S - Yagupov,I, Moscow (1) 1995 ) 16 Bc4! ; 13 ... Bd7 14 Qc1 Bc6 15 Rd1 Qe6 16 Rd6 Qf5 17 g4 Qc8 18 Qg5 Qc7 19 Rad1 +/- Van der Brink,P - Bezemer,A (2215), semi final (Enschede): ch-NED (1) 1993 ; 13 ... Rd8 14 Bc4 Qxd1 15 Rfxd1 Bg4 16 Rd6 Rxd6 17 exd6 +- Nc6 18 h3 Hudoba,Ondrej - Blaho,Stefan, SVK 1998

(h) 5 ... e5 6 Nf3 Nc6 7 Nc3 transposes to Schlecter Var ; 5 ... Nf6 6 Nf3 e6 (6 ... Nc6 7 Nc3 followed by pushing the d pawn ; 6 ... g6 7 Nc3 Qd8 8 Bc4 Bg7 9 Ne5 Castaldo - Mastrorilli, Torino,ITA 1998 ) 7 Nc3 transposes to standard IQP games above ; 5 ... g6 6 Nf3 Nf6 (6 ... Bg7 7 Nc3 Qd8 8 Bc4 Nh6 Raubal - Karner, Austria 1998 ) 7 Nc3 Qd8 8 Bc4 Bg7 9 Ne5 Castaldo - Mastrorilli, Torino,ITA 1998

(i) 7 ... Qa5 8 Bc4 Nf6 9 O-O (9 a3!? Ne4 10 Qc2 Nxc3 11 bxc3 Be7 12 O-O O-O 13 Rb1 Hornung,Ruediger - Funke,Eckhard, Ruhrgebiet 1998 ) 9 ... Be7 Mirouze,Frederic - Fournier,Philippe, Creon 1997 (9 ... Nb4 10 Bd2 Qc7 11 Ne5 a6 12 Rc1 Seitaj,I (2420) - Adu,O, Moskou olm (1) 1994 ); 7 ... Qd6 8 Bc4 Nf6 9 O-O (9 a3 Be7 10 O-O O-O 11 Re1 De Dovitiis,Alejo - Gamarra Caceres,Car, Chaco (1) 1993 ) 9 ... Be7 10 Re1 O-O 11 a3 De Dovitiis,Alejo - Gamarra Caceres,Car, Chaco (1) 1993

(j) 8 ... Nge7 9 O-O Qa5 (9 ... Qh5 10 a3 Ba5 11 Ne4 Nf5 12 Bc2 Leite,C - Flores,Ju, Barreiro POR (8) 2000 ; 9 ... Qd8 10 Re1 O-O 11 Bxh7+ Kxh7 12 Ng5+ Kg6 13 Qg4 e5 14 Ne6+ 1-0 Dukurs,I - Kislicis,L, Moscow (1) 1970 ) 10 Bd2 Nd5 (10 ... Qd8 11 Re1 (Andersen,Erik Rune - Moller,Arne, Taastrup,DEN;Aktiv Alliancen (7) 1999) ) 11 a3 Be7 12 Re1 Pont Mulet,Antonio - Navarrete,Sebastian, Palma de Mallorca (1) 2002 ; 8 ... Qa5 9 Bd2 Nf6 10 O-O O-O 11 a3 Be7 12 Qe2 a6 13 Rac1 Qd8 14 Be3 Horther,Heinrich - Christ,Rene, Bayern 1998 ; 8 ... Qh5 9 O-O Nf6 10 a3 Ba5 11 b4 Bc7 12 h3 O-O 13 Be2 Roza,Peter - Kordahi,Nicholas, Canberra AUS (3) 2001

(k) 6 ... Nf6 7. Nf3 transposes to the Four Knights Variation. ; 6 ... e6 7 Nb5 Qe5+ 8 Be3 Nf6 9 Nf3 Qb8 10 g3 ; 6 ... Qe5+ 7 Be3 Nf6 8 Nf3 Qb8 ; 6 ... Qa5 7 Nf3 Bg4 8 Be2 Nf6 9 Bf4 Nd5 10 Nc4!? (10 Bd2 Rd8 11 c4 (oo) ) 10 ... Qd8 11 Bg3 +/=

(l) 6 ... Nf6 transposes to next note ; 6 ... e5 7 b4 a5 8 Bd2 (8 Bb5 ) 8 ... axb4 9 cxb4 Be6 10 a3 Nd4 11 Nc3 Nb3 12 Nb5 0-0-0 13 Ra2 +/= Stevandic - Jurkiewicz, Patras GRE 1999 ; 6 ... g6 7 Nf3 Bg7 8 Be3 Bf5 9 Bb5 0-0-0+ 10 Nbd2 Nf6 11 Bxc6 bxc6 12 Nd4 Bd7 13 Ke2 +/- Acs,P - Hovanecz,L, Hungary 2 tt (1) 1992

(m) 5 ... Qxd1+ makes less sense here, since the fianchettoed bishop doesn't attack the advanced c-pawn. 6 Kxd1 Nf6 7 Nf3 Bg7 (7 ... Bg4 8 Be3 Bg7 9 Bb5+ Nbd7 10 c6 +/- ) 8 Be3 +/- Ng4 9 Nbd2 0-0 10 Bd3 (10 Bb5!? ) 10 ... Nxe3+ 11 fxe3 Nc6 12 Ke2 Potkin - Zaitsev, St Petersburg 1998

(n) 7 Na3 is also very good. 7 ... a6 (7 ... Nc6 8 Nb5 Qb6 9 Bf4 +- Nohr - Koerholz, 2002 ) 8 Be3 Qc7 9 Nc4 Nbd7 10 a4 Bg7 11 a5 +/- Ng4 12 Bd4 e5 13 Bb6 Nxb6 14 Nxb6 Qc5 15 Qa4+ Kf8 16 Qa3 Qxa3 17 Rxa3 Rb8 18 Ra4 +/- Krupkova,P (2315) - Mahini,M, Elista olw (1) 1998

(o) 7 ... Qc7 8 Na3 a6 9 Nc4 Nbd7 10 a4 has transposed into Krupkova - Mahini, note (n).

(p) 6 ... Bg4 7 h3 Bh5 8 Na3 Nbd7 9 Be3 Qc7 (9 ... Qc8 10 Be2 (10 g4!? Bg6 11 Bg2 ) 10 ... e6 11 Nb5 Shaked,T (2535) - Van der Wiel,J (2515), Wijk aan Zee NED: Hoogovens B (4) 1998 ) 10 Nb5 (10 Qa4 is also strong ) 10 ... Qb8 11 g4 Bg6 12 g5 +/- Vlassov,Nikolai - Avrukh,Boris, Moscow (5) 2002 ; 6 ... g6 7 Be3 Qa5 8 Na3 Nc6 see Yudasin - Gavrikov, URS 1987 in Fianchetto Variation note above.

(q) 7 ... Ng4 8 Qe2 Bf5 9 h3 Bd3 10 Qxd3 Blatny - Wang, Thessaloniki 1988 ; 7 ... Bg4 8 Nb5 +- Rc8 9 Be3 Qh5 10 Nxa7 Ferron Garcia - Subai, Barcelona 1992 10 ... Rd8 11 Qa4 ; 7 ... e5 8 Be3 (8 Nb5 Qe7 9 b3 Bg4 10 Ba3 Qd8 11 Bd6 Rc8 (11 ... Bxd6? 12 Qxd6 Qxd6 13 Nxd6+ +- Blatny,P (2510) - Bonsch,U (2525), Brno (7) 1993 ) 12 Bxf8 Kxf8 13 Be2 +/= Blatny ) 8 ... Qe7 9 Bb5 Ng4 10 Qa4 Qc7 11 Nc4 Nxe3 12 Nxe3 Sermek-Caposciutti, Montecatini 1999 ; 7 ... g6 transposes into Finchetto Variation above

(r) 8 Bf4 is a good alternative. 8 ... Bg4 (8 ... Qf5 9 Bg3 a6 10 Bd3 Blatny - Basin, Trnava 1989 10 ... Qe6+ 11 Be2 g6 12 0-0 Bg7 13 Re1 Qd5 (14 Nc4 Be6 15 Nb6 +/-) ; 8 ... Nd5 9 Nc4 Qd8 10 Nd6+ exd6 11 Qxd5 +/= Godena,Michele - Caposciutti,Maurizio , Saint Vincent ch-ITA (4) 1998 ) 9 Be2 Nd5 10 Bd2 (oo) Mukhametov - Mikhaletz, Yalta 1995

(s) Ragger-Titz, AUT 2002. Or 10 Be3 +/= Canal,Esteban - Euwe,Max, Zuerich (7) 1954

(t) 6 ... e6 7 b4 a5 8 a3 Nc6 9 Bb2 Ne4 10 Ke1 Be7 Hidegh - Kakuk, Budapest 1997 11 Bd3!? ; 6 ... Nc6 7 Bb5 Bd7 (7 ... Bf5 8 Nf3 0-0-0+ 9 Ke2 e5 10 Be3 Nd5 11 Bxc6 bxc6 12 Nxe5 Ramirez,JA - Jerez,Alfonso, Tres Peons Club 25th (6) 1996 ; 7 ... e5 8 b4 a5 (8 ... Bf5 9 Nf3 0-0-0+ 10 Ke2 Nd5 11 Bd2 Roeder,F - Stertenbrink,G, BLErlangen-Eng 1984 ; 8 ... Nd5 9 Nf3 Bf5 10 Bd2 0-0-0 11 Kc1 Fediashin,S - Minakov,JM, corr Tch10-SU (1) 1994 ; 8 ... Be7 9 Nf3 Bg4 10 Ke1 Amrein,Roland - Kopjonkin,Gennady, Zalakaros,HUN 1993 ) 9 a3 Bd7 10 Bb2 Paglilla,Carlos - Hoffman,Alejandro, Buenos Aires PRENAJ (2) 1993 ) 8 Be3 Ng4 9 Nf3 Nxe3+ 10 fxe3 g6 11 Nbd2 Bh6 12 Ke2 +/= Franz - Gerstenhauer, Germany 2002 ; 6 ... g6 7 Nf3 see Fianchetto Var above

(u) 7 ... Bf5 8 Bb5+ Nc6 9 Nf3 0-0-0+ 10 Ke2 Nd5 11 Bd2 +/= Roeder - Stertenbrink, Eng 1984

(v) 8 Bb5 is also good

Revised 7/14/2007