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Blondie25 - Pocket Fritz 2.0 [B33]
NSI La Jolla (10), 2004
1.e4 c5
The Sicilian Defense has been a popular choice for grandmasters looking for an attacking defense for black.
2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nxc6
Here we deviate from main line. This trade unnecessarily helps Black solidify his center. White normally will play more aggressively with moves such as 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.0-0-0 += transposing into more commonly traveled variations.
5...bxc6 6.Bd3 e5 7.0-0 Bc5 8.Nc3 d6
Black has a firm control of the center, and White must play energetically to prevent Black from taking complete control of the center. 8...0-0 has also been tried. 9.Bg5 h6 10.Bh4 Be7 11.Bg3 d6 12.Kh1 Rb8 13.Rb1 Be6 14.f4 exf4 15.Bxf4 Nd7 16.Qf3 Ne5 = Coklin,M-Zelcic,R/Ljubljana op 13th (2)/0-1
9.Na4
Blondie25 seeks to simplify the position to ease its defensive task.
9...Bb6 10.Nxb6 axb6 11.f4
White takes forceful action before Black can mobilize its center pawns. White should also consider 11.c4 0-0 12.Bg5 h6 13.Bh4 Be6 14.Qe2 Qe7 =.
11...0-0 12.Qf3 Qe7 13.b3 Bg4 14.Qg3 Rfe8 15.Bb2 Bh5
Pocket Fritz has not been able to use its central pawn advantage allowing White back into the game.
16.fxe5
16.f5 d5 =+.
16...dxe5 17.Rf5 Qc5+
Better for White is 17...Ra5 18.Qe3 Bg6 19.Qxb6 Bxf5 20.Qxa5 Bxe4 21.Re1 Bxd3 22.Rxe5 Qd7 23.Rxe8+ Nxe8 24.cxd3 Qxd3 25.Qe5 Qd1+ 26.Kf2 Qd2+ 27.Qe2 Qf4+ 28.Kg1 +=.
18.Kf1!?
This is an interesting move by White that moves its King toward the center rather than safely in the corner. White can also try the safer 18.Kh1 Bg6 19.Rxe5 Rxe5 20.Qxe5 Qxe5 21.Bxe5 Nxe4 22.Kg1 =.
18...Bg6 19.Rxe5 Nh5?
A bad move, but 19...Rxe5 20.Qxe5 Qxe5 21.Bxe5 Nxe4 += also gives white the advantage.
20.Qg5! Qd6 21.Kg1 f6 22.Rxe8+ Rxe8 23.Qe3 +/- Nf4 24.Bc4+
Here, White should have tried 24.Rf1 Nxd3 25.cxd3 c5 26.Rf2 Rd8 27.Rd2 +/- and White has shored up its weak points.
24...Kh8 25.Qxb6?!
White has managed to wrestle the advantage from Black, but its last move is too materialistic. More to the point would be 25.e5 fxe5 26.Re1 b5 27.Bxe5 Rxe5 28.Qxe5 Qxe5 29.Rxe5 bxc4 30.bxc4 Kg8 31.g3 Nh5 32.a4 +-.
25...Bxe4 26.Qd4 Bd5 27.Ba3
27.Rd1 Re2 28.Bxd5 cxd5 29.Kh1 Qe6 30.Qxf4 Re1+ 31.Qf1 Rxf1+ 32.Rxf1 Qe2 33.Rc1 Kg8 34.a4 Qd2 -/+
27...Qc7 28.Rf1 Ne2+ 29.Bxe2 Rxe2 30.Rf2 Re1+ 31.Rf1 Re2 32.Rf2 Re1+ 33.Rf1 Re2
Draw by threefold repetition. ½-½
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Blondie25 - Pocket Fritz 2.0 [C42]
NSI La Jolla (11), 2004
1.e4 e5 2.Nf3 Nf6
This is the second Petroff Defense of the match.
3.Nc3 Bb4 4.Nxe5 0-0 5.Nd3 Bxc3 6.dxc3 Nxe4 7.Be2 Re8 8.0-0 d5 9.Re1
An aggressive alternative is 9.Nf4 c6 10.c4 d4 11.a4 Na6 12.Ra3 Nac5 13.a5 h6 14.f3 Nf6 15.b4 as played in Hector,J-Ingbrandt,J/SWE-ch Orebro (10)/1-0.
9...c6 10.f3!?
A double-edged move. In another game, White tried 10.Bf1 Nd7 11.f3 Nd6 12.Rxe8+ Nxe8 13.Be3 Nd6 14.Qe1 Nf8 15.Rd1 Bf5 16.b3=Hort,V-Fridman,D/Julian Borowski-B 2nd (8)/1-0.
10...Nf6 11.Qd2
Up to this point we have been following the same moves as played in the seventh game of the match where Blondie25 chose to play 11.Bf4. With 11.Qd2, White chooses to create immediate complications with its Queen.
11...Qb6+ 12.Kf1 Bf5 13.Qf4 Bxd3
This unnecessarily trades off its last Bishop. 13...Bg6 is fine for Black.
14.cxd3 Nbd7 15.d4 Re6 =.
White has the Bishop-pair, but with only one open file, and no apparent weaknesses in Black's position, converting the win will not be an easy task.
16.Bd3 Rxe1+ 17.Kxe1 Re8+ 18.Kf1 c5
Pocket Fritz does not sit idly by and strikes at the center. It's questionable whether White could have made progress without Black creating complications. Black can proceed methodically with 18...Nf8 19.b4 Ne6 20.Qh4 a5 21.a3 Qc7 22.Be3 Ra8 =.
19.b3
Not 19.dxc5?! Nxc5 20.Be2 Qe6 which allows Black to claim a lasting initiative.
19...cxd4 20.cxd4 Nf8 21.Bb2 Qb4 22.Rd1 Ne6 23.Qd2 Qd6
Black does not want to exchange into an ending where Blondie25 can better utilize its Bishop-pair advantage.
24.Kg1 Nf4 25.Bb5 Ra8
An odd Rook retreat. More sensible is 25...Rc8 26.Rc1 Rxc1+ 27.Bxc1 Ne6=
26.Bc3 a6 27.Bb4 Qb6 28.Bf1 Re8 29.Ba5 Qd6 30.Rc1 Ne6 31.Re1 Qc6 32.Bc3 Nh5 33.Bb4 Qb6?
Pocket Fritz' problems begin with this move. It does not recognize any weaknesses in White's position and bides its time. More to the point is 33...Rc8 34.g3 Qc2 35.Qxc2 Rxc2 36.Bh3 Rxa2 37.Bxe6 fxe6 38.Rxe6 Rb2 39.Re3 Nf6 =.
34.Re5 Nf6 35.Bc3 Qc6 36.Bb2 Nd7 37.Re1 Ndf8?
This passive gives White time to begin Kingside operations. Better is 37...Qd6 preventing 38.f4, 38.Bd3 b5 =.
38.f4 Nd7
Pocket Fritz attempts to cover any weaknesses in its position.
39.f5 Nc7 40.Rc1 Qb6 41.Bd3 Ne5 42.Bf1 Nc6
Black applies pressure on the d4 square, but now its Queen blocked from defending the kingside.
43.Rc5!
This further hems in Black's Queen.
43...f6 44.Qf4
Blondie25 takes advantage in Black's lack of coordination between its pieces.
44...Kh8 45.Qg3 Nb5?
45...Rc8 46.Bc3 Rd8 47.Ba5 Nxa5 48.Qxc7 Qxc7 49.Rxc7 Kg8 50.b4 Nc6 51.Bxa6 Nxb4 52.Bxb7 Nxa2 53.Kf2 Nb4 +/- is also better for White.
46.a4 Nba7 47.Rxd5 Ne7 48.Rd6 Qa5 49.Qe3 Nac6 50.Re6 +-.
The pin along the e-file spells doom for Black.
50...Qxf5 51.Ba3 Qd5 52.g4!
With Black tied down, Blondie25 patiently tightens its grip on the position.
52...Qd7 53.Bg2 Kg8 54.Bxc6 bxc6 55.Rxe7 Rxe7 56.Bxe7 Qxg4+ 57.Kf2 Qf5+ 58.Kg3 Qg6+ 59.Kh4
Black is out of checks, but White still must find a plan to make progress without allowing a perpetual check.
59...h5 60.h3 Qf5 61.Bc5 Kf7 62.Qe7+ Kg6 63.Qe3 Kf7
Black can attempt to maintain his fortress position with 63...Kh7 64.b4 Kg6 65.a5 Kh7 66.Kg3 Qg6+ 67.Kf2 Qf5+ 68.Qf3 Qc2+ 69.Qe2 Qf5+ 70.Kg2 Qd5+ 71.Kh2 Qf5. Now that White has prevented a perpetual check, it can take steps toward winning the game. 72.Qxa6 Qf2+ 73.Kh1 Qf3+ 74.Kg1 Qg3+ 75.Kf1 Qxh3+ 76.Ke1 Qg3+ 77.Kd2 Qg5+ 78.Kc2 Qg2+ 79.Kc3 h4 80.Qd3+ g6 81.a6 h3 82.a7 h2 83.a8Q h1Q 84.Qb7+ Kh6 85.Qe3+ g5 86.Bf8+ Kh5 87.Qh7+ Kg4 88.Qe6+ Kg3 89.Bd6+ Kf2 90.Qc2+ Kg1 91.Qe3+ Kf1 92.Qd1#.
64.Qe7+ Kg6 65.Qe8+ Kh6 66.Qe3+ g5+ 67.Kg3 h4+ 68.Kg2 Qc2+ 69.Kg1 Qb1+ 70.Kf2 Qc2+ 71.Qe2 Qc3 72.Qxa6 Qg3+ 73.Ke2 Qg2+ 74.Ke1 Qxh3 75.Qxc6 Qe3+ 76.Kf1 Qd3+
76...Qf4+ 77.Ke2 h3 78.Bf8+ Kh5 79.Qf3+ Qxf3+ 80.Kxf3 g4+ 81.Kg3 +- also loses for Black.
77.Kf2 Qd2+ 78.Kf3 Qd1+ 79.Ke3 Qxb3+ 80.Ke4 Qb1+ 81.Kd5 Qf5+ 82.Kd6 h3 83.a5 Qb1
83...h2 84.a6 Qf1 85.a7 h1Q 86.a8Q Qf4+ 87.Ke7 Qxc6 88.Qxc6 Kg6 89.d5 Qe5+ 90.Kf8 and White wins.
84.a6 h2 85.a7 h1Q 86.a8Q Qh2+ 87.Kd7 Qh7+ 88.Be7 Qf5+ 89.Qe6 Qc7+ 90.Kxc7 Qxe6 91.Qh8+ Kg6 92.Qxf6+ Qxf6 93.Bxf6 Kxf6 94.d5 g4 95.d6 g3 96.d7 Ke5 97.d8Q Ke4 98.Kd6 Kf3 99.Qf6+ Ke2 100.Qe5+ Kf2 101.Qf4+ Ke1
101...Kg2 102.Ke5 Kh1 103.Ke4 g2 104.Qh4+ Kg1 105.Kf3 Kf1 106.Qf2#.
102.Qxg3+ Kf1 103.Kd5 Ke2 104.Kd4 Kf1 105.Qh2 Ke1 106.Ke3 Kd1 107.Qd2#
Black is checkmated. 1-0