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Pocket Fritz 2.0 - Blondie25 [B33]
NSI La Jolla (4), 2004
1.d4 c5 2.e4
We have reached the Sicilian Defense by transposition.
2...cxd4 3.Nf3
This is an interesting choice of move order. Most players begin with 1.e4 and 2.Nf3 out of habit. Blondie25 chooses to enter the main line Sicilian Defense via this transposition of moves. It could also try 3.c3 entering the Smith-Morra Gambit.
3...Nc6 4.Nxd4 Nf6 5.Nc3 e5
The main line continues with 5...d6 6.Bg5 e6 7.Qd2 a6 8.0-0-0 h6 9.Be3 +=.
6.Ndb5 d6 7.Bg5 a6 8.Na3 b5 9.Nd5
Also good is 9.Bxf6 gxf6 10.Nd5 f5 11.Bd3 Be6 12.0-0 Bxd5 13.exd5 Ne7 14.Nxb5! Bg7 15.Nc3 e4 16.Bc4 +=
9...Be7 10.Bxf6 Bxf6 11.c3 0-0 12.Nc2 Rb8
A popular alternative is 12...Bg5 13.a4 bxa4 14.Rxa4 a5 15.Bc4 Rb8 16.b3 Kh8 17.0-0 f5 +=.
13.Bd3 Bg5 14.0-0 Be6 15.Qh5
15.a4 bxa4 16.Ndb4 Ne7 17.Bxa6 f5 18.exf5 Rxf5 19.Bd3= Nikolenko,O-Dolmatov,S/Moscow Tal mem 1992/½-½
15...f5
Blondie25 plays aggressively, opening up the f-file, beginning kingside action.
16.Ncb4 Nxb4 17.Nxb4 g6
This is a nice prophylactic move which forces the White Queen out of the area and solidifies Black's pawn structure.
18.Qd1 Rb6?
This is too passive. The action is taking place on the Kingside, and this move limits Black's opportunity to swing the Rook to that side of the board. More to the point is 18...Qc8 19.exf5 gxf5 20.Qh5 Be7 21.Rfe1 =+
19.exf5 gxf5 20.Bc2 d5 21.Nd3?!
White needs to apply pressure to Black's center before he can mobilize it and transform it into a steamroller, overrunning White's position. 21.Re1 e4 22.Bb3 Rd6 23.Nc2 f4 24.Nd4 =+
21...e4 22.Nc5
Here, a human player would realize his position is deteriorating and realize he must create complications, but Pocket Fritz bides its time allowing Black to strengthen its position.
22...Bf7 23.Qd4 Bf6 24.Qd2 Be5 25.f4 Bf6 26.Rad1 Qc7 27.Qe3 Rc6
Blondie25 demonstrates its versatility shifting its attack from the kingside, to the center, and then to the queenside.
28.b4 Be7 29.Bb3 Bxc5 30.bxc5 Rxc5
Black will now focus its attention on the isolated c-pawn.
31.Qg3+ Kh8 32.Qe3 Qc6 33.Qd4+ Kg8 34.Kh1 Rc8 35.Rg1 h5 36.Qe5 Qe6 37.Qd4 Rxc3 38.Qb4 R3c5 39.Rd4 e3!
White now has too many weaknesses to defend. This e-pawn is the straw that breaks White's back.
40.Re1
40.Qe1 doesn’t help either after 40...a5 41.a3 Rc1 42.Qg3+ Kh7 -+.
40...e2 41.Rd3
Another reasonable possibility is 41.Bxd5
41...Rc1
Black is winning and now takes methodical steps to finish the game.
42.Bd1 Qe4 43.Qxe4 dxe4 44.Rd6 Rxd1 45.Rexd1 exd1Q+ 46.Rxd1 Bxa2 47.Kg1 b4 48.Rd6 e3 49.Kf1 Rc2 50.Ke1 Bc4 51.Rd8+ Kf7 52.Rd7+ Ke8 53.Rd4 Rc1+ 54.Rd1 Rxd1+ 55.Kxd1 e2+ 56.Ke1 b3 57.Kd2 b2 58.Kc3 b1Q 59.Kd4 e1Q 60.Kxc4 Qee4+ 61.Kc5 Qbb4#
White is checkmated. 0-1
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Pocket Fritz 2.0 - Blondie25 [A43]
NSI La Jolla (5), 2004
1.d4 c5
This is the Benoni Defense.
2.dxc5?
This is a mistake by White that is well known by the experienced tournament player. White relinquishes control of the center and loses time. Better is simply 2.d5 returning to main lines.
2...Qa5+?
This regains the pawn, but at the cost of time. White can gain the advantage by developing quickly and using its time advantage to launch the first strike. Better is simply 2...e6 3.Nc3 Nf6 4.e4 Nc6 5.Be3 Qa5 6.Bd3 Bxc5= equalizing.
3.Nc3 Qxc5 4.Be3 Qa5
Black can try to save time with 4...Qc7 5.Nf3 e6 6.Qd2 Nc6 (6...d5 7.Nb5 Qd8 8.Bf4 Na6 9.e3 +=) 7.Bf4 Qb6 8.e3 (8.0-0-0 Nf6 9.a3 d5=) 8...Qxb2 9.Rb1 Qa3 10.Rb3 Qa5 +=.
5.Nf3 Nf6 6.Bd2 Qb6 += 7.e3
7.Rb1 e6 8.e3 d5 9.Bd3 Be7 10.0-0 0-0 =; 7.e4 d6 8.Bb5+ Bd7 9.a4 Nc6 10.0-0 a6 11.Be3 +=.
7...e6
Too greedy is 7...Qxb2 8.Nb5 Nd5 9.Rb1 Qf6 10.Bc4+-
8.Na4?
White squanders its advantage. This move not only misplaces the Knight, but also forces Black's Queen to a better square. White can improve with simple development 8.Bd3 d5 9.0-0 Be7 10.Rb1 0-0 11.e4=
8...Qc7 9.Bd3 Nc6 10.0-0 Be7
This is too slow. Black should take the center with 10...d5! while it has the chance. 11.Nc3 a6 =.
11.c4 0-0 12.Qc2!?
Provoking Black to win the Bishop pair and in exchange, White gets good piece play. 12...Nb4 [More patient is: 12...d6 13.Rfd1 Bd7 14.Rac1 Rfd8 =
13.Bxb4 Bxb4 14.c5 d6 15.a3 Bxc5 16.Rac1 Bd7 17.Nxc5 dxc5
17...Qxc5 18.Qxc5 dxc5 19.Rxc5 Rac8 20.Rfc1 Rxc5 21.Rxc5 Bc6 22.Ne5 Rd8 +=
18.e4 h6 19.e5
Although this pawn move gives White space and pressure along the c-file and the b1-h7 diagonal, it can also become a target in the endgame. White can try 19.Qxc5 Qxc5 20.Rxc5 Rac8=
19...Nh5 20.b4 Nf4 21.Bh7+ Kh8 22.Be4 c4! 23.Rfd1
Not 23.Qxc4 Qxc4 24.Rxc4 Bb5
23...Rac8 24.Qd2 Nd5 25.Bxd5 exd5 26.Qxd5 Ba4!?
Inexact. Black should finish his development. Better is 26...Be6 27.Qe4 Rfd8=
27.Re1 Rfd8 28.Qe4 c3 29.e6?
Pocket Fritz solves two problems with this move. It eliminates his weak e-pawn, and creates an outpost on e5 for his Knight. Nevertheless, Black's pieces are well coordinated and he can repel White's attack and launch a counterattack.
29...fxe6 30.Ne5
Better is 30.Qxe6 c2 31.Ne5 Be8 32.h3 Qc3 =+
30...Kg8 31.Qg6 Rd6 32.Nd3 Bb5 33.Ne5 c2 34.h4 Ba4 35.h5 Qe7 36.Qg4 Rc3 37.Qe2
37.Ng6 doesn’t help after 37...Qf6 38.Qe4 Rd1 39.Rf1 Bc6 40.Qe5 Qxe5 41.Nxe5 Ba4-+
37...Rd1 38.Rcxd1 cxd1Q 39.Rxd1 Bxd1 40.Qxd1 Qg5-+
The win is simple after this point.
41.Qd4 Rc1+ 42.Kh2 Qxh5+ 43.Kg3 Qg5+ 44.Kh2 b5 45.Qe4 Rc3 46.Kg1 Qf5 47.Qe1 Rxa3 48.Nc6 Qg4 49.Qe5 Rd3 50.g3 Qf3 51.Qxe6+ Kh7 52.Qg6+ Kxg6 53.Ne5+ Kg5 54.Nxf3+ Rxf3 55.Kf1 Rb3 56.Ke2 Rxb4 57.f3 Rb3 58.f4+ Kf5 59.g4+ Kxg4 60.Kd1 Kxf4 61.Ke1 Ke3 62.Kf1 Kf3 63.Kg1 Rb1+ 64.Kh2 g5 65.Kh3 Rh1#
White is checkmated. 0-1