(4) Purcell,B (1718) - Goldfarb,D (1801) [B78]
Berkeley Marathon (7), 16.04.2004
[Riese,Kayven]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 Diagram

7.f3 [ they claim that it's bad for white to allow 7.Bc4 Ng4 8.Bb5+ Kf8 Diagram

personally, I've been allowing it. It isn't that popular amoung black players. In the correspondence database that came with my ChessBase, however, black is doing better, winning 7, losing 3, with one draw from this position. ( 8...Bd7?? 9.Qxg4; 8...Nc6? 9.Nxc6 Bxc3+ 10.bxc3 bxc6 11.Bxc6+ Bd7 12.Bxa8 Nxe3 13.fxe3 Qxa8) 9.Qd2 a) 9.0-0 Diagram

white happens to do better after this move (2wins, 3 losses, and the draw), but I am such a pathological attack maniac It greatly pains me to castle kingside. I am finally getting over this bad habit in the accelerated dragon B36 lines.9...a6 (a) 9...Be5 10.h3 Nxe3 11.fxe3 Bd7 12.Bc4 f6 13.Qd3 Nc6 14.Rad1 Kg7 15.a3 h5 16.b4 Bh2+ 17.Kxh2 Ne5 18.Qe2 Rc8 19.Bb3 Rxc3 20.Qd2 Qc7 21.Kg1 b5 22.a4 bxa4 23.Bxa4 Rc8 24.Ra1 Qb7 25.Bb3 Qb6 26.Bd5 g5 27.Rfb1 g4 28.h4 a6 29.Rb3 Rxb3 30.Bxb3 Kh7 31.Nf5 Re8 32.c3 Qb7 33.Ng3 Kg6 34.Ra5 Rb8 35.Bd5 Qc7 36.Rxa6 Rc8 37.Ne2 Bb5 38.Nf4+ Kh6 39.Ra5 Nc4 40.Bxc4 Qxc4 41.Kh2 Qf1 42.Ra7 g3+ 43.Kxg3 Qh1 44.Qd5 Qe1+ 45.Kh2 Qxh4+ 46.Nh3 Bc4 47.Qf5 Re8 48.Qf4+ Qxf4+ 49.exf4 Bd3 50.Nf2 Bf1 51.Rc7 Rg8 52.g3 h4 53.g4 Re8 54.Kg1 Ba6 55.Kg2 Be2 56.Kh3 Kg6 57.Kxh4 Kf7 58.f5 Rb8 59.Kg3 Ra8 60.Kf4 Ke8 61.Rb7 Rc8 62.Ke3 Ba6 63.Rb6 Rxc3+ 64.Kd4 Rc2 65.Rxa6 Rxf2 66.Kd5 Kf7 67.b5 Rc2 68.b6 Rc5+ 69.Kd4 Rb5 70.Kc4 Rb1 71.Kd5 Rc1 72.Ra5 Rb1 73.Kc6 Rc1+ 74.Kb7 Rc4 75.Ka7 Rxe4 76.b7 Rb4 77.Ka6 Rxb7 1-0 Geib,S-Grennefors,T/IECG email 1997/E-Mail 2000 (77); a) 9...Na6 10.Nd5 Nc7 11.Bc4 Kg8 12.h3 Nxe3 13.fxe3 Nxd5 14.Bxd5 e6 15.Qf3 Qe7 16.Bc4 Bd7 17.Rf2 Bxd4 18.exd4 Kg7 19.Raf1 Rhf8 20.Qe3 Rac8 21.Bd3 Bc6 22.Kh2 a6 23.Rh1 d5 24.Kg1 dxe4 25.Bxe4 Bxe4 26.Qxe4 b5 27.c3 b4 28.Qe5+ Kg8 29.h4 bxc3 30.h5 c2 31.Rxc2 Rxc2 32.h6 f6 33.Qf4 Rxb2 34.Kh2 Qb7 35.Kg3 Qxg2+ 36.Kh4 g5+ 0-1 Cash,D-Carey,M/IECC email 1999/Corr 2002 (36)) 10.Bc4 Nc6 11.Nxc6 bxc6 12.Bd4 Bxd4 13.Qxd4 f6 14.Na4 Kg7 15.Nb6 c5 16.Qd5 Qxb6 17.Qf7+ Kh6 18.f4 Qxb2 19.Rad1 Ne3 20.Rd3 Nxf1 21.f5 Ne3 22.Rxe3 Qd4 23.Kf2 gxf5 24.c3 Qd2+ 25.Be2 f4 26.Rd3 Qxd3 27.Bxd3 Ra7 28.Kf3 Bd7 29.Bxa6 Be8 30.Qc4 Bh5+ 31.Kxf4 Rha8 32.Bb5 Bf7 33.Qd3 Rxa2 34.Qh3+ Kg7 35.Qg4+ Kh8 36.h4 Rg8 37.Qd7 e5+ 0-1 Berger,G-Mooij,W/EU-ch GT72 corr 1971/Corr Nr. 1 (37); b) 9.Bg5 h6 Diagram

would be to my taste, but I could get punished.10.Bh4 g5 (b) 10...Qb6? Diagram

11.Bxe7+ Kg8 (b) 11...Kxe7?? 12.Nd5+) 12.Nce2 Nc6 13.Bxc6) 11.Bg3 Qb6 12.Nde2 (b) 12.Nce2 a6) 12...a6 Diagram

Maybe they have a point. Now white's losing the b pawn. However, in light of this, we get an explanation for 9o-o. 13.h3 axb5 14.hxg4 Bxg4 15.f3 Be6 16.Bf2 Qa5 17.Nd4 b4 18.Nce2 Nc6 19.0-0 Bc4 20.Re1 Qe5 21.c3 Qa5 22.Qd2 bxc3 23.bxc3 h5 24.Ng3 Nxd4 25.Bxd4 Bxd4+ 26.Qxd4 Qa7 27.Reb1 Qxd4+ 28.cxd4 b5 29.Nf5 Ra3 30.d5 g4 31.Kf2 Rg8 32.Rb2 f6 33.Nd4 g3+ 34.Kg1 Ra5 35.Rb4 Kf7 36.Nf5 Rg5 37.Ne3 Ra3 38.Nc2 Rxa2 39.Rxa2 Bxa2 40.Rxb5 Rg8 41.Rb2 Ra8 42.Ne3 h4 43.Kf1 Bc4+ 44.Ke1 Ra1+ 45.Kd2 h3 46.gxh3 Rh1 0-1 Runowiecki,T-Oglozinski,E/URS-ch corr 1990/Corr 2000 (46); 9...a6 10.Bc4 Nc6 11.Nxc6 bxc6 12.Bd4 Bh6 13.Qd3 e5 14.Bc5 Ke7 15.Ba3 Qc7 16.Rd1 Rd8 17.0-0 Nf6 18.f4 Bxf4 19.g3 Bh6 20.Rxf6 Kxf6 21.Bxd6 1-0 Bubenik,M-Meyer,G/Eberhardt Wilhelm Cup fin corr6671 1966/Corr 2000 (21)] 7...Nc6 8.Qd2 0-0 9.Bc4 Bd7 10.0-0-0 Rc8 11.Bb3 Ne5 12.h4 h5 13.Bg5 b5 [ 13...Rc5 Diagram

This position is featured in my NewInChess Yearbook #35 okay. It's a 1995 issue. 14.f4 Nc4 15.Qd3 Diagram

15...Ng4 ( 15...b5 16.e5 Ng4 17.exd6 Rxg5 18.fxg5 Nf2 19.Qe2 Nxd1 20.Rxd1 Nxd6 21.Ncxb5 Nxb5 22.Nxb5 Bxb5 23.Bxf7++/- Rocha - Langier, Mar del Plata 1989) 16.Nd5 ( 16.Bxc4 Nf2 17.Qe2 Nxh1 18.Bb3 Qb6 Diagram

19.Nf3 ( 19.f5 Bxd4 20.Rxd4 Rxf5 21.exf5 Qxd4 22.fxg6 Qg1+ 23.Nd1 Bg4 24.gxf7+ Kg7 25.Qd2 Qxd1+ 26.Qxd1 Bxd1 27.Kxd1+- Klovans - Tiviakov, Groninga 1991) 19...Rxg5 ( 19...Rxc3 20.bxc3 Qf2 21.Qd3 Ng3 22.Rd2 Qf1+ 23.Qxf1 Nxf1 24.Rd1 Ng3 25.e5 Re8 26.Re1 Kf8 27.e6 fxe6 28.Bxe6 Bxe6 29.Rxe6 Bxc3?! ( 29...Kf7->) 30.Bh6+ Bg7 31.Rxg6 Bxh6 32.Rxh6 Kg7=/+ Turczynowicz,J-Bednarska,M/Konin 1990/EXT 99) 20.hxg5 Bxc3 21.Rxh1 Bb5 22.Qd1 Qe3++/= Diagram

Anand - Tiviakov, Moscú 1989) 16...Nxb2!?N a) 16...Rxd5 17.exd5 Nce3 (a) 17...Na5 18.Rhe1 Nxb3+ 19.axb3 Nf2 20.Qd2 Nxd1 21.f5 Nxb2~~ Perez Giorgio 2006 ITA-Karabiyik Ozgur 1966/cr IECC 1997 ) 18.Rde1 Bf5 19.Qd2 f6? (a) 19...Qb6) 20.Rxe3+/- Rimawi,B-Al Sulaiti,A/Dubai 1996/EXT 99 ; b) 16...Re8 17.Qe2 b5 18.f5|^ Hotting,A-Gandolfo,M/EU-ch GT361 corr 1991/CR97-91; c) 16...Nf2 17.Qe2 Rxd5 18.Qxf2 Rc5 19.f5 a5 20.g4 a4 21.Bxc4 Rxc4 22.gxh5 Qb6 23.f6 exf6 24.h6+/- Poscher-Eibersberger Manfred/22.oeFSM 1993; 17.Kxb2 Rxd5 18.exd5 ( 18.Bxd5?! Nf2 19.Qe3 Qb6+ 20.Bb3 Nxh1 21.c3 a5-/+) 18...Nf2 19.Qe3 Nxd1+ 20.Rxd1 f6 21.c3 ( 21.f5!?) 21...fxg5 22.hxg5 Qb6 23.Qxe7 Bg4 24.Ne6? ( 24.g3! Bxd1 25.Ne6 Bxc3+ 26.Kxc3 Qe3+ 27.Kb2 Qd2+=) 24...Qf2+ 25.Ka3 Bxe6 26.Qxe6+ Kh7 27.Qxd6 Rf7! 28.Qb4 Rxf4 29.c4 a6 30.Rd2 Qe3 0-1 Cilloniz Razzeto,A-Benz,G/BRA jub30-A corr 1998/Corr 2002/[Morgado/Benz] (30)] 14.f4 Diagram

[ 14.Ndxb5 Qa5 ( 14...Rc5 15.Nxd6 exd6 16.Qxd6 Qc8 17.Bxf6 Rc6 18.Qxe5 Bxf6 19.Qf4 Bxc3 20.bxc3 Be6 21.Kb2 Rxc3 22.Rd2 Rc6 23.Rhd1 a5 24.Qg5 Bxb3 25.axb3 a4 26.Qe7 Kh7 27.Ra1 Rc7 28.Qd6 Rc6 29.Qd4 axb3 30.cxb3 Qe6 31.Ra7 Rb6 32.Qd5 Qf6+ 33.e5 Qf5 34.Rd7 Kh6 35.Rd6 Rfb8 36.Rxb6 Rxb6 37.Qd4 Qe6 38.Rd3 Rb8 39.Qd6 Qe8 40.f4 Qb5 41.f5 Ra8 42.fxg6 fxg6 43.e6 Qf5 44.Rf3 Qa5 45.Qf4+ Kh7 46.Qf7+ Kh6 47.Qf4+ Kh7 48.Rc3 Qa1+ 49.Kc2 Ra2+ 50.Kd3 Qd1+ 51.Ke4 Re2+ 52.Re3 Qc2+ 53.Ke5 Qc5+ 1/2-1/2 Guliev,L-Fedorov/Kstovo op 1994/FatBase 98 (53)) 15.Na3 Diagram

15...Be6 16.Nd5 Qd8 17.Kb1 Nxd5 18.exd5 Bf5 19.Rhe1 Re8 20.Ka1 Qb6 21.Be3 Qb7 22.Qa5 Bxc2 23.Nxc2 Rxc2 1-0 Mittag,L-Reichel/DDR corr 1988/Corr Nr. 1 (23); 14.Ncxb5 Diagram

14...Qb6 15.Nc3 Rxc3 16.Qxc3 Rc8 17.Qe1 a5 18.a4 Nc4 19.Qe2 Ne5 20.f4 Neg4 21.e5 dxe5 22.fxe5 Nh7 23.e6 Bxa4 24.exf7+ Kh8 25.Qe6 Qxe6 26.Bxe6 Rd8 27.Nf3 Rb8 28.b3 Bc6 29.Bd5 Bd7 30.Rhe1 a4 31.bxa4 Bb2+ 32.Kd2 Bxa4 33.Bb3 Nxg5 34.Nxg5 Bd7 35.Rxe7 Nf6 36.Rf1 Bf5 37.Be6 Rd8+ 38.Ke2 Ba3 39.Rb7 Be4 40.Rxf6 Bxb7 41.Rxg6 1-0 Moreno,J-Galleto,R/Buenos Aires TRAFFIC 1992/FatBase 98 (41); 14.Ndxb5 Rc5 15.Nxd6 exd6 16.Qxd6 Qc8 17.Bxf6 Rc6 18.Qxe5 Bxf6 19.Qf4 Bxc3 20.bxc3 Be6 21.Kb2 Rxc3 22.Rd2 Rc6 23.Rhd1 a5 24.Qg5 Bxb3 25.axb3 a4 26.Qe7 Kh7 27.Ra1 Rc7 28.Qd6 Rc6 29.Qd4 axb3 30.cxb3 Qe6 31.Ra7 Rb6 32.Qd5 Qf6+ 33.e5 Qf5 34.Rd7 Kh6 35.Rd6 Rfb8 36.Rxb6 Rxb6 37.Qd4 Qe6 38.Rd3 Rb8 39.Qd6 Qe8 40.f4 Qb5 41.f5 Ra8 42.fxg6 fxg6 43.e6 Qf5 44.Rf3 Qa5 45.Qf4+ Kh7 46.Qf7+ Kh6 47.Qf4+ Kh7 48.Rc3 Qa1+ 49.Kc2 Ra2+ 50.Kd3 Qd1+ 51.Ke4 Re2+ 52.Re3 Qc2+ 53.Ke5 Qc5+ 1/2-1/2 Guliev,L-Fedorov/Kstovo op 1994/FatBase 98 (53)] 14...Nc4 15.Qd3 Rc5 Diagram

16.f5 [ 16.e5 Ng4 17.exd6 Rxg5 18.fxg5 Nf2 19.Qe2 Nxd1 20.Rxd1 Nxd6 21.Ncxb5 Nxb5 22.Nxb5 Bxb5 23.Bxf7++/- Rocha - Langier, Mar del Plata 1989] 16...Ne5 Diagram

Fritz's choice. I think David has implanted a Fritz analysis engine into his cerbral cortex. [ 16...Ng4 17.Nd5 ( 17.Qe2) 17...Nf2 18.Nxe7+ Kh7 19.Qf3 Diagram

19...Nxh1 ( 19...Bxd4 20.Rxd4 ( 20.Nxg6) 20...Nxh1) 20.Nxg6 Diagram

20...fxg6 ( 20...f6 21.Qxh5+ Kg8 22.Bf4 ( 22.Bh6 Ng3) 22...Re8 23.Qf3 ( 23.Rxh1 Rxe4) 23...Qb6 24.Rxh1 a5 25.h5 Diagram

25...Kh7 ( 25...a4? 26.h6 axb3 27.Qh5! Diagram

27...Rc7 ( 27...Bh8? 28.h7+ Kg7 29.Bh6+ Kxh7 30.Bf4+ Kg7 31.Qh7#; 27...Bf8? 28.h7+ Kf7 29.h8N+! Kg7 30.Qh7#) 28.hxg7 Kf7 29.Nf8+ Kg8 ( 29...Kxg7 30.Qh8+ Kf7 31.Rh7#) 30.Qh7+ Kf7 31.g8Q#) 26.h6 Bh8 27.Qh5 Bxf5 28.Nxh8 Rf8 29.Nxf5 Diagram

29...Ne5 ( 29...Kxh8 30.Qg6 Rc7 31.Qg7+; 29...Rc7 30.Qg6+ Kxh8 31.Qg7+ Rxg7 32.hxg7+ Kg8 33.Rh8+ Kf7 34.gxf8Q+ Kg6 35.Ne7# Diagram

; 29...Qc7 30.Qg6+ Kxh8 31.Qg7+ Qxg7 32.hxg7+ Kg8 33.Rh8+ Kf7 34.gxf8Q+ Kg6 35.Ne7#; 29...a4?? 30.Qg6+ Kxh8 31.Qg7#) 30.Bxe5 Kxh8 ( 30...fxe5 31.Qg6+ Kxh8 32.Qg7#) 31.Bxf6+ Diagram

31...Rxf6 ( 31...Kh7 32.Bg8+ Rxg8 ( 32...Kxg8 33.Qg6# ( 33.h7#) ) 33.Qf7+) 32.Qe8+ Kh7 33.Qg8#) 21.Bxd8 Rxd8 Diagram

; 16...gxf5? Diagram

17.exf5 ( 17.Nxf5 Bxf5 18.exf5 Ng4 19.Bxc4 Diagram

19...Bxc3 a) 19...bxc4 20.Qf3 Bxc3 21.bxc3 f6 22.Be3 (a) 22.Bf4 Rxf5; a) 22.Bd2 Qa5) 22...Ra5; b) 19...Rxc4 20.Nd5 (b) 20.Nxb5 Rb4 21.c3 Nf2) 20...Re8 21.Qe2; c) 19...Nf2 20.Qe3 Diagram

20...Nxd1 (c) 20...Nxh1 21.Bb3 (c) 21.Bxe7 Re5[] 22.Qxe5 Bxe5 23.Bxd8 Diagram

23...Nf2 (c) 23...bxc4 24.Be7 (c) 24.Bc7 Nf2) 24...Nf2 25.Rd5 Re8 26.Bxd6 Bxc3 27.bxc3 Re1+ Diagram

28.Kb2 (c) 28.Kd2?? Rd1+) 28...Nd1+ 29.Ka3 Nxc3) 24.Re1 bxc4 (c) 24...Bxc3; c) 24...Bf4+ 25.Kb1 bxc4) ) 21...Re5 Diagram

22.Qf3 Qa8 23.Nd5 a5 24.f6 a4 25.Nxe7+ Rxe7 26.Bd5 Qxd5 (c) 26...Bxf6 27.Bxf6 Qxd5) ) 21.Rxd1 Rxc4; 20.Qxc3 Diagram

( 20.Bd5 Nf2) 20...Rxc4) ] 17.Qe2 Kh7 [ 17...a5 18.Bxf6 Bxf6 19.Nd5 Bg7 20.Nf4 a4 Diagram

21.Bxf7+ ( 21.Nxg6? Diagram

21...axb3 22.Nxf8 ( 22.axb3 fxg6) 22...bxa2) 21...Rxf7 22.Nde6 Qc8 23.Nxc5 Qxc5 24.Nxg6 a3 25.Rd5 Qb4! Diagram

26.Qxh5 Qxb2+ 27.Kd2 Nc4+ 28.Ke1 Qc3+ 29.Kf1 Ne3+-+] 18.fxg6+ [ Fritz likes Brendan's release of the tension, but I don't. That f5 pawn could someday wreck major havoc. That day is not today. I like making a prophylactic like this. Also, this lets me retreat the dark squared bishop to c1, to fight another day, or just invade on h6 only when I am about to crush the black player. 18.Kb1 a5 As you can tell in my previous exploration choices, the plan I fear most is the destruction of my precious Bb3. I have been avoiding the "mainlines" (we'll see what is 'main' 3 or 4 years from now) that allow white to lose the two bishops. You'll notice that David has made a prophylactic against the pin on f7 that I enjoy attempting to maintain. 19.Bxf6 Bxf6 20.Nd5 Diagram

( I mention that I think the machines are out of their freaking minds for insisting that 20.Ncxb5? is worth consideration.) ] 18...fxg6 19.Ne6 Bxe6 20.Bxe6 Diagram

20...Rxc3 [ 20...Qa5 21.Kb1 Rxc3 22.bxc3 Qxc3 23.Bd2 Qd4] 21.bxc3 Qc7 22.Bd2? [ Maybe I am high on crack, but I don't like to block the d-file like this. Also, if one plays Be3-g5 my take is that it might be for the purpose of taking the Nf6 at an opportune moment. 22.Rh3!? Diagram

Fritz's favorite smacks of Kasparov. Very nice combination of defense with activation of such a powerful piece.; 22.Kb2 Neg4 23.Rh3 Rb8 24.Rd4 Qc5 I am thinking black must eventually breathe fire on the white position. (I am referring, of course, to the Bg7 breath of the dragon).] 22...Qc6 23.Bd5? Diagram

[ Not only giving up the two bishops, but losing a pawn. There are some tasty looking light squared weaknesses around black's king (I must admit, taking on g6 did have its merits) but now white will never have the same sort of opportunities to exploit them that he would have otherwise had. 23.Rde1 Nc4 black expoits white's bad 22nd move and opens up his important long diagnol.] 23...Nxd5 24.exd5 Qxd5 Diagram

25.Bg5? [ 25.Kb1 Even if white grabs a tempo with his pawn, neglecting the king's house is outright daft.] 25...Qxa2 26.Qxb5 [ I was thinking 26.Bxe7? Rf2!! a la Fritz 27.Qxf2 Nc4 Diagram

Mate in 1] 26...Nc4 Diagram

I think I came over to see the game around now. White is in a very very bad way. At the time, I mainly noticed the exchange. Chalk it up to being silly.27.Rd3 Diagram. This loses material but is Fritz's favorite move. 27...Qa1+ 28.Qb1 Qa3+ 29.Kd1 Nb2+ 30.Ke2 Nxd3 31.cxd3 Qxc3 32.g4! good try, but white is toast. 32...Qd4 33.gxh5 [ An attempt at defense is essential here. 33.Qe1 Qxg4+ 34.Kd2; 33.Rg1 Qf2+; 33.Be3 Qxg4+ 34.Ke1 However, resistance is truly futile at this point.] 33...Qg4+ 34.Ke1 Bc3+ [ Mate in 8 would have followed 34...Qg3+ 35.Kd2 Diagram

a) 35.Kd1 Qf3+ 36.Kd2 Qg2+ Diagram

37.Ke1 a1) 37.Kd1 Qxh1+ 38.Kc2 a11) 38.Ke2 Qh2+ Diagram

39.Ke3 a111) 39.Ke1 Bc3+ 40.Kd1 (a111) 40.Bd2 Qxd2#) 40...Rf1#; a112) 39.Kd1 Rf1#; 39...Qf2+ 40.Ke4 Qd4#; a12) 38.Kd2 Rf2+ 39.Ke3 Qf3#; ; a2) 37.Kc1 Qxh1+ Diagram

38.Kd2 (a2) 38.Kc2 Qc6+ Diagram

39.Kd1 a21) 39.Kd2 Qg2+ 40.Ke3 (a21) 40.Ke1 Rf1#; a21) 40.Kd1 Rf1#; a21) 40.Kc1 Rf1#) 40...Qf2+ 41.Ke4 Qd4#; a22) 39.Kb3 Rb8+ 40.Ka3 (a22) 40.Ka2 Qa4#) 40...Qa6#; 39...Rf1+ 40.Kd2 Diagram

(a2) 40.Ke2 Qf3+ 41.Kd2 Qf2#) 40...Qg2+ 41.Ke3 Qf3+ 42.Kd2 Qf2#) 38...Rf2+ 39.Ke3 Qf3#; a3) 37.Ke3 Qf2+ 38.Ke4 Qd4#; ; b) 35.Ke2 Rf2+ Diagram

36.Ke1 (b) 36.Kd1 Qf3+ 37.Ke1 (b) 37.Kc1 Qxh1#) 37...Qe2#) 36...Rb2+ 37.Kd1 (b) 37.Kf1 Qf2#) 37...Qf3+ 38.Kc1 Qxh1#; ] 35.Bd2 white resigned. 35...Qg2 36.hxg6+ [ 36.Qc2 Qxh1+ 37.Ke2 Qf3+ 38.Ke1 Qf1#] 36...Kxg6 37.d4+ Kg7 0-1