Piehl, Mike (1940) - Rosenthal, Adam (1925)
Southern Open, 2006
[Fritz 9 (5s)]

B26: Closed Sicilian: 3 g3, lines with early Be3 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Rb8 7.Qd2 b5 8.Nge2 Nd4 9.O-O e6 10.Nd1 b4 11.Nc1 h5 12.c3 Nc6
	[12...bxc3 13.bxc3 Nc6 14.f4 Nge7 15.f5 exf5 16.exf5 Bxf5 17.Bg5 Qc7 18.Re1 O-O 19.Bh6 Bxh6 20.Qxh6 Ne5 21.Nf2 Rb2 22.Be4 Rxf2 0-1 Botelho,C-Blalock,R (2214)/Amadora 2003/CBM 096 ext]
13.h3 bxc3 14.bxc3 Qa5 Black should quickly conclude development.
	[14...Nge7 15.Ne2 Ba6 16.f4 f5 17.Nf2 O-O 18.g4 hxg4 19.hxg4 fxe4 20.Nxe4 Nd5 21.Rf2 Nce7 22.Ng5 Qd7 23.Raf1 Rb2 24.Qxb2 Nxe3 25.Qd2 Nxf1 26.Rxf1 Bh6 27.Ne4 c4 28.d4 Nd5 29.Rf3 Schlingensiepen,C (2295)-Koop,T (2135)/Hamburg 1995/EXT 97/1-0 (40)]
	[14...Nge7 15.f4]
15.f4 Nge7 16.Ne2 Ba6
	[16...d5 17.Qc2]
17.f5 gxf5 18.exf5 exf5 19.Nf4 A sound move
	[19.Bg5!? should be considered 19...f6 20.Bh4]
19...Ne5
	[19...h4 20.gxh4 Be5 21.Rf2]
20.Rc1
	[20.h4 N7g6]
20...N7g6
	[20...h4 21.gxh4 N7g6 22.h5]
21.Nf2 Qb5
	[21...h4 22.g4 fxg4 23.Nxg4]
22.Nd5 The knight feels good on d5
	[22.c4 Qa4 23.Rce1 h4]
22...Qd7
	[22...Qa5 23.Bg5 h4 24.gxh4]
23.Bg5 Kf8 Black loses the right to castle
	[23...h4 24.gxh4 Kf8 25.Rb1]
24.h4 White has a new backward pawn: g3 24...Ng4 Here comes the goal-getter 25.Nh3
	[25.a3 Kg8]
25...N6e5
	[25...Be5 26.Nhf4]
26.c4 Nc6 27.Rce1
	[27.Kh1 Be5]
27...Rb2 Black threatens to win material: Rb2xd2
	[27...Bd4+ 28.Kh1 Rb2]
28.Qf4
	[28.Qd1 Bd4+ 29.Kh1 Bb7]
28...Bc8
	[28...Bb7!? 29.Qxf5 Qxf5 30.Rxf5 Nd4 31.Be7+ Kg8]
29.Be7+ Nxe7 30.Rxe7
	[30.Nxe7?? Be5 31.Qxf5 Kxe7
		(31...Qxe7?! 32.Qxc8+ Kg7 33.Qf5)
	32.Qxf7+ Kd8]
30...Qxe7 31.Nxe7 Kxe7 32.Re1+ Be6 33.Qxf5
	[33.Kh1 Be5 34.Qf3 Rhb8]
33...Bd4+ The black bishop on an outpost 34.Kh1 Ne5 35.Qg5+ Kd7 36.Nf4 White threatens to win material: Nf4xh5 36...Bg4?? throwing away the advantage. Menacing
	[36...Ng4 was much better 37.Nxe6 Nf2+ 38.Kh2 Ng4+ 39.Kh3 Nf2+ 40.Kh2 Ng4+ 41.Kh1 Nf2+ 42.Kh2]
37.Nd5 Kc8
	[37...Ng6 is one last hope 38.Re7+ Kc8 39.Rc7+ Kb8 40.Rxf7 Ne5]
38.Qe7 Rb7 39.Qxd6 Re8 40.Nf6
	[40.a4 and White has it in the bag 40...Be6 41.Qa6
		(41.Rxe5?! is a useless try 41...Rb1+ 42.Re1 Rxe1+ 43.Kh2 Bg1+ 44.Kh1 Bd4+ 45.Kh2 Bg1+ 46.Kh1 Bd4+)]
40...Rb6 41.Nxe8 Rxd6 42.Nxd6+ Kd7 43.Ne4
	[43.Nb5 Nxd3 44.Rf1 Be6 45.Nxd4 cxd4]
43...Nxd3 44.Rf1
	[44.Rb1!? Be6 45.Rb7+ Kd8 46.Kh2
		(46.Rxa7?! f5 47.Ra8+ Ke7 48.Ra7+ Kd8)]
44...f5 45.Ng5 An ideal square for the white knight. 45...Nf2+
	[45...Be2 46.Rxf5 Nf2+ 47.Kh2 Ng4+ 48.Kh3 Nf2+ 49.Rxf2 Bxf2 50.Bd5]
46.Kh2
	[46.Kg1!? is worth consideration 46...Nd1+ 47.Kh2]
46...Be2 47.Rc1 Ng4+ 48.Kh3 Ne3 The isolani on c4 becomes a target. Black threatens to win material: Ne3xc4
	[48...Nf2+ 49.Kh2 Ng4+ 50.Kh3]
49.Bd5 A beautiful square!
	[49.Nf3 Bxc4
		(49...Nxc4 50.Nxd4 cxd4 51.Bf3)
	50.Nxd4 cxd4]
49...Bf1+
	[49...Bg4+ 50.Kh2]
50.Kh2
	[50.Rxf1 Nxf1 51.Be6+ Ke7 52.Bxf5 Ne3]
50...Ng4+ 51.Kh1 Nf2+ 52.Kh2
	[52.Kg1 Nd3+ 53.Kxf1 Nxc1]
1/2-1/2