1.e4 c6 2.Nc3 d5 3.Qf3!? An interesting sideline with many possibilities 3...dxe4 The usual choice. [Alternatively 3...Nf6 4.e5 if 4...Nfd7 5.d4 (if 5.e6 intuitive but not very effective 5...fxe6 (5...Nf6 inferior 6.exf7+ Kxf7 This isn't ideal, but not as bad as it looks at first. 7.d4 Qd6 8.Qf4 Bg4 9.Be2 Qxf4 10.Bxf4 Nbd7 11.f3 Bf5 12.0–0–0 c5) 6.Qg3 g6 7.Nf3 Bg7 8.d4 0–0 9.Be2 e5 10.dxe5 Rf5 11.Bd3 Nxe5 12.Bxf5 Nxf3+ 13.Qxf3 Bxf5 14.g4 Bd7 15.Bd2 Qa5 The position is interesting and black has a decent game.) 5...e6 6.Nh3 h6 7.Be3 c5 8.dxc5 Nc6 9.0–0–0 Bxc5 10.Bxc5 Nxc5 11.Qg3 0–0 12.f4 slightly better for white] 4.Nxe4 [4.Qxe4?! isn't very convincing 4...Nf6 5.Qh4 Bf5 6.d3 Qa5 7.Bd2] 4...Nf6 [4...Nd7 is the usual move. Black appears to have natural development after this, e.g.: 5.d4 (A) (5.b3 (B) 5...Ndf6 6.Nxf6+ Nxf6 7.Bb2 Bg4 8.Qg3 e6 9.Be2 Bf5 10.Bd1 Bg6 11.Nf3 Bd6 12.Qh4 Be7 approx =) 5...Ndf6 6.c3 Nxe4 7.Qxe4 Nf6 8.Qc2 Bg4 9.Ne2 e6 10.Ng3 Qd5 11.f3 Bh5 12.Nxh5 Qxh5 13.Bf4 Nd5 14.Bg3 Qg5 15.Qd2 Be7²] 5.Bc4 A decent move, with obvious pressure on f7. Black has to play a little bit carefully. [5.Nxf6+ Is considered the main choice. The game transposes into a master game as follows: 5...exf6 with a Tartakower Variation [1e4 c6 2d4 d5 3Nc3 de 4Nxe4 Nf6 5Nxf6+ ef] pawn structure but with pawn on e2 instead of e4. This must be worse than the Tartakower Variation position, where instead of the queen on c6, the pawn is on e4. e4 affords development whereas Qc6 obstructs the knight's development to c6. (Alternatively 5...gxf6 with the equivalent Brontein-Larsen position [1e4 c6 2d4 d5 3Nc3 de 4Nxe4 Nf6 5Nxf6+ gf], again with Qc6 instead of e4. The position is nonetheless quite interesting, and white probably has a small edge. e.g.: 6.Ne2 Na6 7.d4 Nb4 8.Qb3 e5 9.Bd2 Be6 10.c4 With a very interesting position. 10...Qb6 11.a3 Na6 12.Qxb6 axb6 13.Rc1 Bg7 14.Be3 f5 15.dxe5 Bxe5 16.Rc2 (not 16.Bxb6 Bxb2 17.Rb1 Bxa3³) 16...Nc5 17.Nf4 0–0–0 18.g3 Kc7 Black's K-side pawn structure isn't pretty, but he should have some compensation in activity and piece-placement, e.g.: 19.b4 Nb3 20.Bg2 Nd4 21.Rc1 Nb3 22.Rc2 Nd4 23.Rc1 Fritz can see nothing better for white than 3 fold repetition. (e.g. 23.Bxd4 Bxd4 24.0–0 this isn't too bad for white, and he probably has full compensation for the bishop pair in black's weakened K-side pawns 24...Rhe8 25.Re1 Bd7 26.Rd1 Be5 27.Rcd2=) 23...Nb3 24.Rc2=) 6.Bc4 Bd6 7.Ne2 0–0 8.d4 Qc7 9.Bf4 Nd7 10.0–0 Nb6 11.Bb3 Be6 12.Bxe6 fxe6 13.Rfe1 Rfe8 14.Rad1 e5²; 5.b3 This is flawed due to: 5...Qd4 6.Nxf6+ (6.Nc3 is unsurprisingly substandard 6...Bg4 7.Nge2 Qb6 8.Qe3 Nbd7 9.Bb2³ white's queen might be harassed by all the minor pieces) 6...Qxf6 (6...exf6 is quite interesting 7.c3 Qd8 8.Qg3 Bf5 9.d4 Qe7+ 10.Ne2 Nd7 11.Qc7 Nb6 12.Qxe7+ Bxe7 13.Ng3 Bg6 14.Be2 0–0 15.0–0 white may have an advantage due to pawn structure) 7.Qxf6 exf6 8.Bb2 Bd6 9.0–0–0 0–0 with easy equality for black] 5...g6?! Substandard. [F(1): 5...Nbd7 e.g. 6.d4 (after 6.Nxf6+ there are again the two pawn captures a). 6...exf6 b) 6...gxf6; 6...Nxf6 is slightly inferior, but not that bad 7.Ne2 Qb6 8.Qc3 Bg4 9.Ng3 Nd5 10.Qe5 Nb4 11.Qc3 Nd5 12.Qe5 Fritz recommends this repetition (12.Qb3 Qxb3 13.Bxb3 e5 14.0–0 0–0–0 15.d3 Bc5 16.Re1 Rhe8 black is a bit better; 12.Bxd5?! cxd5 13.0–0 h5 14.h4 Rc8 15.Qd3 g5µ White is in some trouble; 12.Qa3? is no good after 12...e6 13.Qb3 wasting a move) 12...Nb4 13.Qc3 Nd5=; ) 6...Nb6 (6...e6 is also playable, but... 7.Ne2 Nxe4 8.Qxe4 Nf6 9.Qf3 Bd6 10.0–0 0–0 ...maybe this isn't too good for black as he has the perennial problem of developing his Queen's bishop, as experienced in the French Defence, Classical Queen's Gambit Declined, and the Semi-Slav, etc.) 7.Bd3 Qxd4 8.Ne2 Qe5 9.0–0 Nxe4 10.Bxe4 Bd7 11.Rd1 Black experiences some stress in completing his development, but should succeed 11...Qf6 12.Qg3 keeping the pressure 12...Qe6 13.Bd3 0–0–0 14.Be3 h5 15.a4 A very interesting starting point] 6.Nxf6+ A good move. [F(1): 6.Ne2 Nbd7 7.0–0 Bg7 8.d4 0–0 9.Bg5 h6 10.Nxf6+ Nxf6 11.Bxf6! Bxf6 12.c3 Bg7 13.Nf4 Qd6 (13...Bf5? 14.g4 Bc2 (14...Bd7?? this may have been an idea to provoke weakening of white k-side pawn cover, but it is tactically wrong: 15.Nxg6+-) 15.Rac1 b5 (15...Ba4? 16.Nxg6+-) 16.Be2 e5 17.Rxc2 exf4 18.Qxc6 b4 19.Rd1 Rc8 20.Qf3 bxc3 21.bxc3+- Far from having any compensation for the missing pawn, black faces a pair of hanging passed pawns and white's weakened K-side pawn cover is not really relevant) 14.Rfe1 Bf5 15.Rad1 (15.g4? Bd7! There was no longer a tactical point to white's move, (as black queen covers g6), so black calmly retreats and white has weakened his structure. It isn't that bad for white, but an unnecessary minus.) 15...Qf6 16.Nd3 Qg5 17.Ne5 e6 18.Bd3 Bxe5 19.Rxe5 Qg4 20.Qxg4 Bxg4 21.f3 Bf5 22.Bxf5 gxf5 23.Kf2 Kg7² White has the better double rook ending, (but is it winnable?)] 6...exf6± White has a clear advantage. 7.h4?! Dubious in my opinion. [F(1) 7.Ne2± Fritz already says white has a clear advantage 7...Bd6 (if 7...Bg7 8.0–0 F(1): (Fritz at first thought 8.Qe3+ but after 8...Qe7 9.Qxe7+ Kxe7 10.d4 Re8 11.0–0 Be6 12.Bd3 Nd7 13.Bf4 Rad8 white is still clearly better, but black still has a game 14.Rfe1 Nb6 15.a4 Kf8 16.a5 Nc4 17.Bc1 Nd6 18.c3 Bb3 19.Ra3 Bd5 20.Ra4 Be4 21.Bxe4 Rxe4 22.Kf1 Ke7 23.f3 Re6 24.Rb4 Kd7 25.Bf4 Kc8²) 8...0–0 9.Re1 Nd7 10.d4 Nb6 11.Bd3 Be6 12.b3 f5 13.c4 Re8 14.Bf4 Bxd4 15.Nxd4 Qxd4 16.Rad1 Nd7 17.Bf1 Qg7 18.Bd6 White dominates the position 18...Rad8 19.Qe3 Nf6 20.Qxa7 Ne4 21.Bb4 Qf6 22.Qxb7 c5 23.Ba5 Rxd1 24.Rxd1 Qb2 25.Be1 Qc2 26.Rd3 Qxa2 27.Re3 Qa8 28.Qc7²) 8.d4 Be6 9.Bxe6 fxe6 10.0–0 Na6 11.Re1 0–0± Black can't seem to develop his Q-side pieces quickly enough so concedes to K-side castling, which doesn't look very pleasant; 7.d3 Nd7 8.Bf4 Qe7+ 9.Ne2 Ne5 10.Bxe5 fxe5 11.0–0 Bg7 12.Qe3 0–0 13.Ng3 Bd7 14.Ne4 b5 15.Bb3 Qh4 16.a4 b4 17.Qc5 a5 18.Qd6 Be8 19.Rae1 Kh8 20.Nd2 Qd8± White has a clear advantage; 7.Qb3 I consider this move quite interesting, free the f3 square for the knight and coordinating Q and B in a battery aimed at f7. However, after 7...Qe7+ 8.Ne2 (Fritz opts for: 8.Qe3 Qxe3+ 9.fxe3 Be6 10.Bxe6 fxe6 11.Nf3 Bd6 12.d3 Nd7 13.e4 h5=) 8...b5 it is clear it can't stay there for long 9.Bd3³ this doesn't look very appealing but is not necessarily a write-off 9...Na6 10.0–0 Nc5 11.Qc3 Bb7 12.b4 Nxd3 13.Qxd3 Rd8 14.Nd4 Bg7 15.Bb2 0–0 16.Qc3 Rfe8 an interesting position evaluated as about even by Fritz] 7...Nd7 Developing, and aiming for Ne5 when the white queen is forced to move and perhaps the knight will trade for the bishop [7...Bf5 slightly inferior to the text 8.d3 Qe7+ 9.Qe2 Bg4 10.f3 Be6 11.Be3 Nd7 12.0–0–0 0–0–0 and one possible interesting continuation: 13.Bxe6 Qxe6 14.Kb1 Bc5 15.Bxc5 Nxc5 16.Qf2 Qc4 17.Nh3 Qb5 18.c4 Qb6 approx =; 7...Be6 is perhaps possible 8.Bxe6 fxe6 9.h5 g5 10.Ne2 Na6 11.0–0 Nb4 12.Qc3 Bd6 13.d3 Nd5 14.Qb3 Qb6 15.Qc4 this favours black slightly, but white probably has better in the preceeding moves; 7...Bc5 maybe also playable 8.Qe2+ Be7 fritz recommends this contradictory move(8...Qe7 9.h5 Qxe2+ 10.Nxe2 g5 11.d4 Bd6± Black's pawn structure will most likely haunt him) ] 8.h5 Consistent with white's previous move [F(1): 8.Qe2+ Be7 (8...Qe7 9.d3 Ne5 10.Bb3 Bg4 11.f3 Be6 12.Bxe6 fxe6 13.f4 Nf7 14.Be3 0–0–0 15.Nf3 e5 16.h5 approx =) 9.h5 g5 10.d4 Nb6 11.Bb3 Be6 12.Be3 Qd6 13.0–0–0 Bxb3 14.axb3 0–0–0 15.c4 approx =] 8...Ne5 Black continues with his plan 9.Qe2 probably the best move 9...Qe7 Prioritising development of Q-side pieces in anticipation of Q-side castling [Fritz opts for 9...Be7 10.hxg6 fxg6 11.Bb3 Qd4 12.d3 Bf5 13.Qe3 Bb4+ 14.Kf1 (naturally not 14.c3?? Bxc3+ 15.bxc3 Qxc3+ 16.Kf1–+) 14...Qxe3 15.Bxe3 Fritz marginally prefers white 15...h5 16.a3 Bd6²] 10.Kd1?? A very bad move. Black should probably plan to castle queenside and then attack the king in the centre. [F(1) 10.Bb3 white retains the advantage. I have found no other suitable moves in this position. 10...a5 11.hxg6 fxg6 12.a3 a4 13.Ba2 Bg4 14.f3 Bf5 15.d4 Nf7 16.c3 h5 17.Bf4 g5 18.Bc7 Bc2 19.Kd2 Bb3 20.Bxb3 axb3 21.Re1 Qxe2+ 22.Nxe2 Kd7 23.Bh2 g4 24.fxg4 hxg4 25.Kd3 Bh6± an example line, and white has an advantage] 10...Nxc4 A good move, but so was Bg4 [10...Bg4 11.f3 Bf5 12.g4 Bd7 13.d3 0–0–0 14.Bd2 Nxc4 15.dxc4 Be6 16.Kc1 Qd7 17.Qd3 Qxd3 18.cxd3 Rxd3 19.Kc2 Bxc4 and black is clearly winning 20.Bc3 Rd6 21.b3 Bd3+ 22.Kb2 gxh5 23.Rxh5 Be7 24.Nh3 Bg6 25.Rh6 Re6 26.Nf4 Re3 27.Rf1 Rd8 28.a4 f5 29.Rhh1 fxg4 30.fxg4 Be4 31.Rh5 c5 32.Rh3 Rxc3! 33.Rxc3 Bf6 34.Nd5 Bxc3+ 35.Nxc3 Bg6–+ and black has an easy endgame win] 11.Qxc4 Be6 The natural move. 12.Qa4?! Definitely not the best. [Fritz suggests 12.Qc3 0–0–0 13.Qa3 and then goes in for the sharp variation 13...Qd7 (perhaps 13...Qxa3 14.bxa3 is a reasonable option, leading to a fairly simplified and clearly better game 14...Be7 15.d3 Rhe8 16.hxg6 hxg6 17.Ne2 Rh8 18.Re1 much better for black, but not necessarily winning yet) 14.Qxa7 Qd5 15.Ne2 Bc5 16.Qa8+ Kc7 17.Qa5+ Kb8 18.d3 b6 19.Qe1 Qxg2 20.Rh2 Qg4 After these slightly unnecessary complications, white probably has better chances of counterplay than is necessary (20...Qxh2?? 21.Bf4+) 21.Bf4+ Kb7 22.Kc1 Bd5 23.Be3 Bd6 24.f4 Rde8] 12...Qb4?? .A terrible decision. Black believes going into a nice ending with the bishop pair will retain much of his advantage, but most of it is squandered in doing this. The queen should be kept on the board in this position to take advantage of the centralised white king. [12...Qc5 (DIAGRAM) and according to the computer, black has a crushing position 13.Qe4 0–0–0 14.Qe3 Bg4+ 15.Ne2 Qa5 16.f3 Bd7 17.d3 Bc5 18.Qf4 Rde8 19.Qxf6 Qb6 20.Qxf7 Bd6 21.Nc3 Be5 22.Qc4 Qf2 23.d4 Bf5 24.Ne4 Bxe4 25.fxe4 Rd8 26.d5 Qxg2 27.Re1 Rhf8 28.hxg6 hxg6 29.Be3 Qf3+ 30.Kd2 Rf4! 31.Qe2 (31.Bxf4?? Bxf4+ 32.Re3 Qxe3+ 33.Kd1 Qd2#) 31...Qxe4 32.Kc1 Rxd5 33.a3 Rf3 34.Kb1 Bf6 35.Bd2 Qf5 36.Bc1 Re5 white's lack of development on the queenside dooms him 37.Qd2 Rxe1 38.Qxe1 Rf2 39.Qe8+ Bd8 40.Ka2 Rxc2 41.Rb1 Qd5+ 42.Ka1 g5 43.Qh8 Re2 44.b3 Qe5+ 45.Qxe5 Rxe5 46.Bd2 Re2 47.Bc3 Bb6 48.Rh1–+] 13.Qxb4 Bxb4 14.Rh4?! Dubious according to fritz. The rook has very strong control of rank 4, but it seems the rook is needed to help defend the weak Q-side pawns f and g [F(1): 14.Ne2 Kd7 15.a3 Bd6 16.b3 Rae8 17.Bb2 Rhg8 18.Nd4 e.g. (not 18.Bxf6? Bd5 19.Rg1 gxh5 20.d3 Rg6 21.Bh4 Bxg2 22.Ng3 Be5 23.Rxg2 (if 23.Rb1? Bc3 24.Kc1 Bf3 25.b4 Rg4 26.Rb3 Bd4 27.b5 Rxh4 28.Nf5 Rg4 29.bxc6+ Kxc6 30.Nxd4+ Rxd4 31.Rg7 Rf4 32.Rb4–+ white is done for) 23...Bxa1 24.Kd2 Be5–+ with a winning position for black) 18...gxh5 19.Nxe6 Rxe6 20.g3 f5 21.Rxh5 f4 22.Rxh7 Ke7 23.c4 fxg3 24.fxg3 Rxg3 25.Kc2 Rf3 26.Rhh1 a6 with an interesting but roughly even endgame] 14...Bc5 15.hxg6 fxg6 16.Rf4µ Fritz gives an evaluation of –1.37 [Fritz opts for 16.d4 0–0–0 17.c3 h5 18.Rf4 Rhf8 19.Nf3 Bd6 20.Re4 it is clear in this line how the white rook is uncomfortable in the centre of the board and is harassed by the bishops 20...Bd5 21.Re3 Rfe8 22.b4 g5 23.a4 h4 24.Ke2 Rh8 Fritz assesses black's position as winning, so there must be some prior improvements for white] 16...f5 not the best move, but black still has a clear advantage (Fritz eval –1.09, subsequently E(–1.09) ) [16...0–0 this variation aims to show the white rook is out of place 17.Ne2 g5 18.Rf3 Bd5 19.Rf5 Bb6 20.d3 Rae8 21.Be3 e.g. 21...Bxg2 22.Kd2 Bh3 23.Rf3 Bg4 24.Rg3 Bxe3+ 25.Rxe3 Rxe3 26.fxe3 Bxe2 27.Kxe2 h5 28.e4–+ with an easily won ending for black] 17.Nh3 There are at least a couple of preferable alternatives to this flank development of the knight [(A) 17.d3 e.g. 17...g5 18.Ra4 Bd5 19.Ke2 Kd7 20.Bxg5 Rhg8 21.Be3 Bxe3 22.Kxe3 Rxg2 23.Rf4 Re8+ 24.Kd2 Be6 25.Ne2³ where black may have a small advantage; (B) 17.Nf3 e.g. 17...h6 18.d4 g5 19.dxc5 gxf4 20.Bxf4 (similarly to the game) 20...0–0–0+ 21.Kc1 Bd5µ Fritz considers black to have a clear advantage. It seems that 17.d3 was white's best choice.] 17...h6 A good move. An alternative worth considering is 0–0–0 [17...0–0–0 worth considering. e.g.: 18.d3 Bd5 19.f3 Rhe8 20.Rh4 h5 21.Bg5 Rd6 22.Kd2 Rde6 white's pieces look very badly coordinated at the queenside whereas black's pieces look harmonious 23.Nf4 Be3+ 24.Kc3 Rd6 25.Rhh1 Bf7 26.Rae1 Bd4+ 27.Kd2 Rxe1 28.Rxe1 Bxb2 29.Be7 Rd4 30.Bf6 Rxf4 31.Bxb2 Rb4 32.Kc3 Rh4 33.Re7 Bxa2 34.Rg7 Bd5 35.Rxg6 b5 36.Kd2 a5 37.Be5 a4 38.Rg7 Rh1 39.Rc7+ Kd8 40.c4 bxc4 41.dxc4 Bxc4 42.Rxc6 Bf1 43.g3 a3 44.Kc3 Be2 45.Kb3 Bxf3 46.Rf6 Re1 47.Bf4 Be4 48.Kxa3 Ke7 black probably could have done better with his advantage as he is now in an opposite bishops ending with probably no practical winning chances 49.Bg5 Kd7 50.Rh6 Rg1 51.Bf4 Bf3 52.Kb4 Ke7 53.Bd6+ Ke8 54.Rh7 Rd1 55.Be5 Kf8 56.Kc4 Re1] 18.b4 as recommended by the computer 18...g5? inferior to other options, and reducing black's potential advantage. I probably felt it was safe to take a 'tangible' advantage like the Exchange. [F(1) 18...Bd6 19.Rf3 Bd5 20.Re3+ Kd7 21.f3 f4 22.Re2 Rae8 23.Rxe8 Rxe8 24.Bb2 g5 25.Nf2 h5 fritz prefers this to snatching the pawn(25...Bxb4 26.Ng4 Kc8 (obviously not 26...Bf8?? 27.Nf6+) 27.Nf6 Re6 28.Nxd5 cxd5 29.Bd4 Be7 30.c3 b6 31.Kc2 Bc5 32.Bxc5 bxc5–+ and black should win the rook ending) ] 19.Bb2 [F(1): 19.bxc5 gxf4 20.Nxf4 Bd5 21.Nxd5 cxd5 22.d4 h5 23.Ke2 b6 the extra pawn together with the weakness of many of black's pawns should give white reasonable/good drawing chances] 19...0–0 [slightly better was 19...Rg8 20.bxc5 gxf4 21.Nxf4 Bd5 22.g3 Kd7 23.d4 b6 24.Nd3 Be4 25.Ne5+ Kc8 26.cxb6 axb6 27.Kd2 c5 28.a4 Ra5 29.c4 cxd4 30.Bxd4 Re8 31.f3 Bb7 32.f4 Kc7 33.Bc3 Ra6 34.g4 Rd8+ 35.Ke3 fxg4 36.Nxg4 h5 37.Nf6 h4 38.Be5+ Kc8 the passed h pawn of black's emerges to be an important factor 39.Ra2 h3 40.Ne4 Bxe4 41.Kxe4 h2 42.Rxh2 Rxa4 43.Rb2 Rxc4+ 44.Kf5 Kb7 45.Ke6 Rc6+ 46.Ke7 Kc8 47.Ra2 Rd7+ 48.Ke8 Re6+ 49.Kf8 Ree7 50.Rb2 Rf7+ 51.Kg8 Kb7 52.Rb1 Rfe7 it doesn't look like an easy technical win for black, but equally it may prove hard to hold for white 53.Kf8 Rh7 54.Kg8 Rh2 55.Kf8 Rc2 56.Ke8 Rh7 57.Rd1 Rc8+ 58.Rd8 Rxd8+ 59.Kxd8 black cleverly forces the trade of rooks, and now the ending should be easy to win 59...Kc6 60.Ke8 Kd5 61.Bc3 Ke6 62.Kd8 b5 63.Kc8 Rh4 64.Bd2 Kf5 65.Kb7 Rxf4 66.Kb6 b4 67.Kb5 b3 68.Bc3 Rf2 69.Bd4 Rc2 70.Kb4 b2 71.Bxb2 Rxb2+] 20.bxc5 gxf4 21.Nxf4 Bf7 Not the best, probably because the bishop obstructs the king here, but not too bad according to fritz [F(1): 21...Rfe8 22.d4 b6 23.Ba3 Bc4 24.f3 b5 25.Kd2 Kh7 26.Bb2³ A reasonable advantage to black, but he will need to increase his advantage in order to win] 22.Be5 A decent move. [F(1): 22.d4 Rfe8 23.Kd2 Rad8 24.Rh1 Kh7 25.a3 b6 26.Nd3 Bd5 27.Rh2 Bc4 28.cxb6 axb6 29.Rh5 Bxd3 30.Kxd3 Kg6 31.Rh3³ white has reasonable chances of holding this position] 22...Rae8?? A hideous blunder. 23.d4? Missing the opportunity. White's has totally equalised at this point nonetheless. [23.Bd6 Re4 24.f3 Ra4 25.Bxf8 Kxf8 26.Nd3 Rxa2 27.Rb1 Bc4 28.Rxb7 Ra5 29.Nc1 Rxc5 30.d3 Rd5 31.Rxa7 Rd6 32.Ne2 Bf7 33.Nf4+- white should win this ending] 23...Rd8 correcting the error. In fact fritz has a better move. [F(1) 23...b6 24.cxb6 (24.Bd6 Re4 25.c3 (25.Bxf8 Kxf8 26.Nd3 Rxd4 27.cxb6 axb6 28.a4 Bd5 29.g3 which is drawish =) 25...Rfe8 26.Kd2 Bc4 27.cxb6 axb6 28.a4 Rxf4 29.Bxf4 Re2+ 30.Kc1 Rxf2 31.g3 Kg7 the opposite bishops make this one even more drawish =) 24...axb6 25.a4 Ra8 26.Rb1 Ra6 27.Kd2 Rfa8 28.Ke3 Ba2 29.Rb2 Bc4 30.g3 Kf7 31.Rb1 c5 32.c3 Rxa4 33.Rxb6 cxd4+ 34.cxd4 Ra3+ 35.Kd2 Ra2+ 36.Kc3 Rc8 37.f3 Rf2 38.Rxh6 Rxf3+ 39.Kd2 Rxg3 40.d5 Rc5 41.Rf6+ Ke7 42.Re6+ Kd7 43.Rd6+ Ke8 44.Re6+ Kd8 45.Rd6+ Ke7 Fritz wants to repeat moves(if 45...Kc8 the extremely tactical continuation ends in rook+bishop (white) vs rook, which is theoretically drawn (apart from special cases) 46.Bd4 Rc7 47.Ne6 Rg2+ 48.Kc3 Bxd5+ 49.Nxc7 Kxc7 50.Rxd5 f4 51.Kc4 Kc6 52.Rf5 Rc2+ 53.Kd3 Rc1 54.Rxf4=) ] 24.Rb1 the best move 24...b6?? Bad for black. [24...Rd7² was the right solution, and white only has a slight advantage 25.Kd2 Re8 26.Kc3 Rde7 27.Bf6 Rd7 28.a3 Re4 29.Nd3 Ba2 30.Rh1 Kh7 31.g3 Bd5 32.Rh2 Rf7 33.Bg5 Kg6 34.Bf4 Rh7 35.Bb8 h5 36.Bxa7 Rh8 37.Bb6 Ra8 38.Bc7 Rxa3+ 39.Kb4 Ra2 40.Nf4+ Kf7 41.Be5 Rxc2 42.Rxh5 Rb2+ 43.Ka3 Rxf2 44.Rh7+ Ke8 45.Nxd5 cxd5 46.Rh8+ Kd7 47.Rh7+ Ke6 48.Rh6+ Kf7 49.Rh7+ Ke6 50.Rh6+ Kd7 51.Rh7+ Kc6 52.Kb4 Rb2+ 53.Kc3 Rf2 54.Kb4 Rb2+ 55.Kc3 Rbe2 56.Rc7+ Kb5 57.Rxb7+ Ka5 58.Ra7+ Kb5 59.Rb7+ Ka6 60.Re7 R4e3+ 61.Kb4 Rb2+ 62.Ka4 Reb3 63.Re6+ Ka7 64.Bc7 Rb4+ 65.Ka3 Rb1 66.Re7 R4b3+ 67.Ka2 R3b2+ 68.Ka3 Kb7 69.Be5+ Ka6 70.Re6+ Ka7 71.Rh6 Rb7 72.Rh2 Ra1+ forcing the trade of rooks 73.Ra2 Rc1 74.Rf2 Ka6 75.c6 Rxc6 76.Rxf5 Kb5 77.Kb3 Ka5+ 78.Ka2 Kb4 79.Rf8 Rc2+ 80.Ka1 Rd2 81.Rc8 Ka3 82.Rc3+ Rb3 83.Bd6+ Ka4 84.Rc8 Rxd4 85.Ra8+ Kb5 86.Ka2 Rf3 87.Rb8+ Kc4 88.Rc8+ Kd3 89.Rb8 Rc4 90.Kb2 Rf2+ 91.Kb3 d4 92.Bb4 Rf1 93.Rb5 Rb1+ 94.Ka4 Rcxb4+ 95.Rxb4 Rxb4+ 96.Kxb4 Ke3 97.Kb3 d3 98.g4 d2 99.Kc2 Ke2 100.g5 d1Q+] 25.cxb6 axb6 26.Rxb6 white now has a winning position whatever black does 26...Rfe8 threatening Rxe5, this isn't the best move but isn't far inferior [F(1): 26...Bd5 27.a3 Ra8 28.Kd2 Ra4 29.Nxd5 cxd5 30.Rxh6 Rfa8 (not 30...Rxa3?? 31.Rh8+ Kf7 32.Rxf8+ Kxf8 33.Bd6++-) 31.Rf6 Rc4 32.Rg6+ Kf7 33.Rg7+ Ke6 34.Rg3 Kd7 35.Rf3 Rac8 36.c3 Ra8 37.Rxf5 Rxa3 38.Bf4 Ke6 (capturing the pawn with either rook is bad 38...Raxc3 39.Rxd5+ Ke6 40.Re5+ Kf7 41.Be3 Rc2++-; 38...Rcxc3 39.Rxd5+ Ke6 40.Ra5 Rxa5 41.Kxc3 Ra2 42.Be3+-) 39.Re5+ Kd6 40.g3 black cannot seem to prevent white from making progress 40...Kc6 41.Re6+ Kb5 42.Rd6 Rc6 43.Rxd5+ Kc4 44.Rg5 Rxc3 45.Rc5+ Rxc5 46.dxc5 Rd3+ 47.Ke2 Rc3 48.c6 Kd4 49.c7 Ke4 50.f3+ Kf5+-] 27.Kc1 Rc8 [or 27...c5 28.Rxh6 threatening Rh8# 28...Kf8 29.Bf6 Ra8 30.d5 Rxa2 31.d6 Ra7 32.Nd3 Rd7 33.Bg5 Re6 34.Be7+ Rdxe7 (34...Ke8?? 35.Rh8+ Bg8 36.Rxg8+ Kf7; 34...Kg7?? 35.Rxe6 Bxe6 36.Nxc5) 35.dxe7+ Rxe7 (35...Kxe7 36.Rxe6+ Kxe6 37.Nxc5+ Ke5+-) 36.Nxc5 Kg7 37.Rd6 Re2 38.Rd2 Re5 39.Nd3 Re4 40.g3+-] 28.a4 good move; push the passed pawn 28...Ra8 [28...Re7 may be a bit better 29.Nd3 Ra7 30.Rb4 Rca8 31.Nc5 Re8 32.c4 Ra5 33.f4 Rxc5 (33...Rea8 is no good 34.Kc2 Kf8 35.Bc7 R5a7 36.Bd6+ Ke8 37.Be5 Ra5 38.Kc3 Ke7 39.Rb7+ Ke8 40.Bd6 R5a7 41.Rb6 Rc8 42.Kb4 Bh5 43.Be5 Be2 44.a5 Bf1 45.g3 Bg2 46.a6 Rca8 47.Ka5 Bf1 48.Rxc6 Bxc4 49.Rxh6 Ke7 50.Rb6 Ke8 51.Rg6 Rc8 52.Kb4 Bf7 53.Rh6 Rca8 54.Kb5 Bd5 55.Rh8+ Ke7 56.Rh4 Ke8 57.Kb6 Rf7 58.Rh8+ Ke7 59.Rh5 Rff8 60.a7 Rg8 61.Rh7+ Ke8 62.Nd7 Rf8 (62...Be6 for example, allows a forced mate in 10 63.Nf6+ Kd8 64.Bc7+ Kc8 65.Bd6 Kd8 (65...Bc4 66.Rc7+ Kd8 67.Be7#; 65...Rd8 66.Rc7#) 66.Rb7 Rg7 a) 66...Rc8 67.Be7#; b) 66...Bc4 67.Rb8+ (67.Rd7+ Kc8 68.Rc7+ Kd8 69.Be7#) 67...Rxb8+ 68.axb8Q# (68.axb8R#) ; c) 66...Bc8 67.Be7#; d) 66...Rh8 67.Be7+ Kc8 68.Rc7#; 67.Rxg7 (67.Rb8+ Bc8 68.Rxa8 Rb7+ 69.Kc5 Rb5+) 67...Rxa7 68.Rxa7 Bd7 69.Rxd7+ Kc8 70.Re7 Kd8 71.Re8#) ) 34.dxc5 Ra8 35.Kc2 Kf8 36.Kd3 h5 37.Bf6 Be6 38.Bc3 Rd8+ 39.Ke3 Re8 40.Kf2 Rd8 41.a5 Ke8 42.Ra4 Rd7 white's pawn structure may give black some glimmer of hope, but + - should still be the result] 29.Rxc6 Rxa4 30.Rxh6?? A bad blunder. Now black is invited right back in the game. 30...Kf8?? Black misses the escape [30...Rxe5 31.dxe5 Rxf4 32.f3 Rc4 now the position should technically be a draw 33.g4 Kg7 34.Rf6 f4 35.Kd2 Bg6 36.c3 Kh6 37.Rd6 Rc5 38.e6 Re5 39.c4 Kg5 40.Rd5 Rxd5+ 41.cxd5 Kf6 42.Kc3 Ke5 43.Kc4 Kd6 44.Kd4 Bh7 45.e7 Kxe7 46.Ke5 Bd3 47.Kxf4 black should hold this with his good king position 47...Kd6 48.Kg5 Kxd5 49.Kf6 Be2 50.f4 Bxg4 51.f5 Bxf5 52.Kxf5 which is probably drawn] 31.Rh8+ maybe not the best, but sufficient [31.Rf6 Rc8 32.Nd5 Ra2 33.Ne3 Ke8 34.Kb1 f4 (34...Rca8 35.Nxf5+-) 35.Nf5 Rcxc2 36.Nd6+ Kd7 37.Rxf7+ Ke6 38.Rb7 Rxf2 39.Ne4 Rxg2 40.Nc5+ Kd5 41.Nd3 Ke4 42.Nxf4 Rgf2 without the pawn, the position is almost certainly drawn 43.Nh3 Rg2 44.Ng5+ Kf5 45.Nf3 Ke4 46.Ne1 Rgf2 47.Rc7 Rfb2+ 48.Kc1 Re2 49.Nc2 Rg2 50.Kb1 Ra6 51.Kb2 Re6 52.Rc3 Re2 53.Rc5 Kd3 54.Kc1 Rg6 55.Nb4+ Ke4 56.Rc2 Rgg2 57.Rxe2+ Rxe2 58.Kd1 Rb2 59.Nc2 Kd3 60.Ne1+ Ke3 61.Kc1 Re2 62.Nc2+ Kd3 63.Na3 Ra2 64.Nb5 Ra4 65.Nd6 Rxd4 white has to mate in 50 moves 66.Nf7 Rd7] 31...Bg8 32.Nd5 Rxe5 33.dxe5 Kg7 34.Rxg8+ Kxg8 35.Ne3 f4 36.Ng4 Ra1+ 37.Kd2 Rg1 38.g3 fxg3 39.fxg3 Rxg3 40.Nf6+ Kf7 41.Ne4 Ra3 draw agreed
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