Limbos,Paul - Kavalek,Lubomir [B54]
Brussels, 1970
[GM Lubomir Kavalek/Huffington Post]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 Nc6 6.c4 e6 7.Nc3 Be7 8.Nc2 0-0 9.Be2 b6 10.0-0 Bb7 11.b3 Re8 12.Qd2 [White has an interesting plan in mind. He wants to play Rf1-d1 and Bc1-a3, but the queen move allows the central break d6-d5 black is aiming for. It could have been prevented with 12.Ne3 ]

12...d5! 13.cxd5 exd5 14.Nxd5 Nxd5 15.exd5 Ne5
[I could have equalized immediately with 15...Nb4 16.Nxb4 Bxb4 17.Qxb4 Rxe2= but I tried to keep more pieces on the board.]

16.Rd1
[After 16.Bb5 Bc5+ 17.Kh1 Re7 the game is roughly equal.]

16...Bc5+ 17.Kh1 Qh4 18.Bb5 Bxd5!?
[I should have been punished for this reckless move. It was sufficient to play 18...Red8 with a good game, but I couldn't resist the following attacking ideas with pieces flying around and hanging at the same time.]

19.Bxe8!
[Dr. Limbos is on the right path. Taking the rook is stronger than 19.Qxd5 Rad8 20.Bb2 Rxd5 21.Rxd5 Nxf3 22.gxf3 Rc8 23.Rf1+/= ]

19...Ng4!
(Threatening mate on h2 and, at the same time, opening the diagonal h2-b8.) [19...Nxf3 allows 20.Qf4 ]

20.Bxf7+!
[The doctor finds another strong move. Black's main idea is 20.fxg4 Bd6 and as in Svidler's game, black seems to have a raging attack with a bishop pair and the queen.]

20...Kh8!
[One may argue that 20...Kf8 is better, forcing a king's chase 21.fxg4 Bd6 22.Kg1 Qxh2+ 23.Kf1 (23.Kf2? Qxg2+ 24.Ke3 Qf3+ 25.Kd4 Bc5+ 26.Ke5 Qe4# ) 23...Qh1+ 24.Ke2 Qxg2+ 25.Kd3 Qe4+ 26.Kc3 Be5+ 27.Nd4 Bxf7 but now 28.Qf2 pins the bishop on f7 and white has time to protect the knight with 29.Be3.; Other moves lose: 20...Bxf7 21.fxg4 wins.; 20...Kxf7 21.Qxd5+ wins]

21.fxg4 Bd6 22.Qh6!!
A coup de grāce! I overlooked this magnificent move that should have won the game. Instead, I thought I could hunt the white king and my chances didn't seem bad at all. [Incredibly, running away with the king gives black a lot of play: 22.Kg1 Qxh2+ 23.Kf1 Qh1+ 24.Ke2 (24.Kf2? Qxg2+ 25.Ke3 Qf3+ 26.Kd4 Bc5+ 27.Ke5 Qe4# ) 24...Qxg2+ 25.Kd3 Qe4+ 26.Kc3 Be5+ 27.Nd4 Bxf7 with some attacking chances, for example 28.Qd3 (28.Qf2 Rc8+ 29.Kb2 Bg6 threatening 30...Rc2+, white has problems.) 28...Rc8+ 29.Kb2 Qg2+! 30.Ka3 (30.Bd2 Rd8-/+ ; 30.Rd2 Qxg4-/+ ) 30...Bd6+ 31.b4 a5-/+ 32.Rd2 Rc3+! 33.Qxc3?! axb4+ 34.Qxb4 Qa8+ wins.]

22...Bxg2+
[The only way to continue. After 22...gxh6?? 23.Bb2+ white mates soon. ]

23.Kxg2 Qxg4+ 24.Kf2 Qf5+
[24...Bc5+ as later in the game, is better.]

25.Kg2?!
[White should have taken advantage of my last move with 25.Ke2! gxh6 26.Bb2+ Be5 27.Ne3 Qf4 28.Rf1 Qxh2+ 29.Rf2 Qg3 30.Rg1+- ]

25...Qg4+ 26.Kf2 Bc5+ 27.Ne3 Rf8
[The desire to bring the last piece into play backfires. But collecting material does not help either: 27...Qxd1 28.Qh5 (28.Qxg7+ does not work: 28...Kxg7 29.Bb2+ Qd4! ) 28...Bxe3+ 29.Kxe3 Qe1+ 30.Kd3! Rd8+ 31.Bd5 Qa5 32.Kc2 Qc5+ 33.Kb1+- ]

28.Qc6?
[Blundering the game away. White could have won easily with 28.Ke1! Qg1+ (28...Bb4+ 29.Bd2 Qd4 30.Qe6 Bxd2+ 31.Ke2+- ; 28...Qf3 29.Qh4 Qxf7 (29...Bxe3 30.Qg3+- ) 30.Rd8 ) 29.Ke2+- ]

28...Rxf7+ 29.Ke1 Qh4+ 30.Ke2
[30.Kd2 Rf2+ 31.Kc3 Qb4+ 32.Kd3 Qd4# ]

30...Rf2+ 31.Ke1
[31.Kd3 Qd4# ]

31...Rxh2+
[31...Rxh2+ 32.Kf1 Qf2# ] 0-1