24th October 2011 - Southampton University B vs Passed Pawn B
This was my first game for Passed Pawn for about 3 years. I am usually confident against Bird's Opening as I feel that black has a lot of choice and can develop comfortably.
Position after ..25 0-0-0
1.f4 d5 2.Nf3 Nf6 3.e3 Common variation of the unpopular bird's opening so far, but my next move is very rare and only found 8 games in the 4 million game database. Many moves are playable. 3...b6 Seems like a sound enough mehod of development. [3...g6 the most commonly played.; 3...Bg4 next most played in Fritz's opening book.; 3...c5; 3...e6; 3...Bf5] 4.Bb5+ I half expected him to play this, but I think it is pretty weak. [Fritz's (hereonin F) first move is Nc3 4.Nc3 ] 4...c6 F also suggests Bd7 I do not like this trade offer 5.Ba4? I believe my opponent played this quite quickly, and I believe it is a mistake allowing black to get in several free pawn moves, and F agrees giving black slight advantage after this. [5.Be2 much better place for bishop] 5...b5 6.Bb3 c5 I was quite pleased with the opening so far, with a strong wall of pawns. 7.c3 Doesn't look amazing but it does solve white's problem of threatened bishop and the bishop itself is quite a strong piece on c2, but he has problems with queenside development in the game. I found it hard to decide on the next move. I decided on reducing the number of moves it would take me to castle since my opponent can castle immediately at any time and currently I have to move a pawn and a bishop before I can castle. [F suggests 7.a3 putting the bishop on a2. Looking at this the diagonal a2 to f7/g8 is attacking much more important squares than on the c2 to h7 diagonal, and looks like a strong place for the white light squared bishop. 7...Nc6 (7...c4 8.Ba2 Nc6) ] 7...e6 [F suggests 7...Nc6 not worrying about developing to castle 8.0–0 Bg4 (8...Qd6 the kind of fearless (and mindless?) way a computer plays 9.d4 h5 crazy stuff, but I won't get side tracked into this) ; 7...g6 this was perhaps preferable] 8.0–0 Probably due to the amount of sound space black has, there are a lot of candidate moves. It will be interesting to have a quick look at all the feasible looking alternatives. [I looked at the possibility of 8.a4 after which I thought I could just take it, but this would be a mistake according to F 8...bxa4 (actually black is doing well after 8...b4 9.cxb4 cxb4 10.0–0 Bd6 F likes black's position here) 9.Bxa4+ Bd7 this doesn't look that bad but not great at the same time] 8...Be7 No doubt there were other options, but in lieu of any really strong ideas I decided to allow for castling [8...c4 9.Bc2 Nc6 10.Ne5 a) 10.Nd4 Qb6 (10...Nxd4 11.cxd4 Be7) ; b) 10.d4 Be7 (10...cxd3 11.Bxd3 a6 (11...Bd6 F suggests this as an option; I am sceptical about giving up the pawn like this 12.Bxb5 Bb7 13.c4) ) 11.Nbd2; c) 10.d3 Bb7; d) 10.Na3 Qb6; 10...Bb7 11.d4 Be7 (11...cxd3 12.Qxd3 Qb6) ; 8...Nc6 9.Ne5 Bd7; 8...g6 9.d3 There are many candidate moves in all of these kinds of variations and it seems to be largely a matter of personal preference; 8...Ba6 an interesting idea which I looked at in the game 9.d3 Nc6 (9...c4?! the following implies this is not great 10.dxc4 dxc4 (if 10...bxc4 then 11.Ba4+ Nbd7 12.Bc6 is anoying 12...Rb8 13.Ne5) 11.Qxd8+ Kxd8 12.Bc2 with what seems an obviously inferior situation for black) 10.c4 bxc4 11.dxc4 Bd6 not too bad for black] 9.d4 [9.Ne5 Qc7 10.d4; 9.a4 b4 10.cxb4 (10.d3 Nc6 11.Ne5 (11.Nbd2 there are simply too many sound possibilities for both sides to look into all the variations) 11...Nxe5 12.fxe5 Nd7 13.d4 Ba6) 10...cxb4 11.Ne5 Qd6 is pretty good for black 12.d4 Nbd7; 9.Na3] 9...a5 F doesn't like this move and preferred Nc6. Analysis of the pawn play is critical [9...b4 this can lead to white getting the 2 vs 1 majority on the queenside 10.dxc5 Bxc5 11.cxb4 Bxb4 F evaluates this pretty evenly; 9...c4 10.Bc2 Nc6 11.Nbd2 (11.a4 b4 12.Ne5 Bb7 13.cxb4 Nxb4) ; 9...Ne4 10.Nbd2 Nd7] 10.a4 [10.Ne5 Qb6; 10.dxc5 Bxc5 11.Nd4; 10.Na3 Ba6 In all these kind of variations there are still many candidate moves for each side and it's possible to over analyse all of these lines which the evaluation is roughly equal for(10...c4 11.Bc2 b4 12.Nb5 (12.cxb4? would be a blunder 12...axb4 13.Nxc4 (13.Ba4+ Rxa4 14.Qxa4+ Bd7 15.Qa8 bxa3 F -2.5; 13.Nb1 b3 crushing and wins) 13...dxc4 14.Ne5 Qd5) 12...0–0 e.g. 13.a4 b3 very odd position(13...bxa3 14.b3 (if 14.bxa3 then 14...a4 the knight is looking stranded 15.Rb1 (white cannot play 15.Bxa4 since this loses a piece to 15...Qa5 16.Bc2 Qxb5) 15...Bd7 F believes white to be doomed here) 14...cxb3 15.Bxb3 Bd7 is about equal) ) ] 10...c4 [F goes for 10...b4 11.Nbd2 (11.dxc5 Bxc5 looks pleasant for black 12.Nd4 (12.c4 0–0 13.Qe2 (13.cxd5? Nxd5 very strong for black) ) 12...0–0) 11...Ba6 (11...Nbd7) ] 11.Bc2 b4 12.Nbd2 F agrees with this [12.cxb4 axb4 13.Qe1 0–0] 12...b3 I was quite happy with this. Although e4 and expanding on the kingside is on for white, his rook is totally imprisoned on a1, and the pawn on a4 is weak and could be easy prey in an endgame [F's first choice 12...Nc6 13.e4 Bb7 (13...Qb6) 14.e5 Nd7 swings and roundabouts; F also likes 12...Bb7 I believe computers have a hard time evaluating these kind of semi closed positions with lots of candidate moves and still quite early in the opening without pieces directly attacking each other] 13.Bb1 Even so although happy about the queenside I was very concerned about the possible crushing attack that white could execute on the kingside, so I made the following move to prepare f5 and prevent f5 and such moves and bolster the position 13...Ng4 F isn't keen on this. I am preparing f5 and win time to do this by threatening the knight fork on e3, so it seemed logical to me and I felt more comfortable after f5 was played. Fritz prefers moves like 0–0 or Nc6 [13...0–0 14.e4 Nc6 15.Ne5 (15.e5 Nd7 F seems happy enough but I don't feel happy at all about the strong attacking potential of white against a fairly unguarded black king, but perhaps this is a superficial judgement as moves like f6 can unlock most of black's forces, (although this could also weaken the pawn chain and cause annoying weak pawns at the base of the chain leading to it potentially evaporating. The position feels entirely defesive for black, which I also consider a boring and unambitious choice. 16.Ng5 e.g. 16...h6 17.Nh7 Re8 18.Qg4 Nf8) 15...Qb6 16.exd5 exd5 17.Ndf3 roughly equal but I am not overjoyed about the weakened pawn chain; 13...Nc6 14.Ne5 Qb6 15.e4 0–0 16.exd5 exd5; F also doesn't mind 13...Bb7 ] 14.Qe1 F doesn't like this much [F 1st choice 14.Qe2 f5 (F to start with suggests this move, but after thinking for longer prefers the move I was preparing - f5 14...Nc6 ) ; 14.Re1 this seems quite logical freeing the f1 square for the knight 14...f5 I felt a lot happier by now, with a big space advantage and feeling a lot safer on the kingside 15.Ne5 (F prefers 15.Qe2 Qc7 however after thinking for longer decides it doesn't like Qe2 and prefers h3; 15.h3 Nf6 16.Ne5 0–0) 15...Nf6 I did not want to trade knights immediately as I perceived my development of the queenside pieces being difficult after fxe5 (15...Nxe5 F chooses this as its first move however 16.fxe5 Qc7 17.Qe2 0–0 as usual in this game, F is suggesting kingside casling as the best move often) 16.Ndf3 F agrees with white's move, not that there were many candidate moves 16...Ne4 after a while F puts this move first (16...0–0 F again wants to castle; I was not interested in committing to castle) 17.Bxe4 although F doesn't choose this, it seems a fairly logical idea to aid white's development and trade of some pieces in his cramped position (F suggests 17.Bd2 although I think it may struggle to evaluate such positions 17...0–0 18.Qe2 Bf6 F keeps changing its mind about moves and considers several candidates) 17...fxe4 (17...dxe4? is obviously bad after 18.Nd2) 18.Nd2 (18.Ng5 the only tenable move in F's opinion; the only other retreat is Nd2 as happenend in the game; this could have proven quite testing; the threat of Nf7 must be met 18...0–0 F's suggestion(18...Bxg5? would be disastrous according to Fritz 19.fxg5 Ra7) ) ] 14...f5 15.Ne5 Nf6 F doesn't like this, prefers trade (didn't quite a bit of anaysis on the 14.Re1 line forgetting I was not in the main game :S [15...Nxe5 16.fxe5 Qc7] 16.Ndf3 [16.Qh4 0–0 e.g. (16...Ng4?? 17.Qh5+ g6 18.Nxg6) 17.Ndf3 Qe8 18.Ng5 h6 19.Ngf3 Ne4; 16.Rf3 0–0 17.Rh3 Qe8 could spend ages analysing this variation among others] 16...Ne4 17.Bxe4 similar to the analysis I did for the wrong line - 14.Re1 instead of 14.Qe1 [17.Bd2 0–0 18.Qe2 Bd7] 17...fxe4 18.Nd2? F does not like this and gives over a pawn evaluation for black [18.Ng5 only tenable move according to F; the threat of Nf7 must be met 18...0–0 the critical variation (if 18...Bxg5?? the position breaks down for black, e.g. 19.fxg5 Ra7 20.Qh4 g6 21.Qh6 Rg8 22.Ng4) 19.Nh3 (19.Bd2 e.g. 19...Qe8 20.Qe2 Nc6 21.Nh3 Bb7 22.Nf2 h5 again, in these closed or semi closed positions it is possible to analyse ad infinitum) 19...Qe8 20.Nf2] 18...Qc7 F yellow flags this move and drops eval from about 1 pawn to black to half pawn to black [18...0–0 as usual it is this castling move F likes 19.Qe2 (19.Nb1 with the plan to develop the knight to a3 19...Qe8; 19.Qg3 Qe8 20.Nb1 many of these move orders are semi transpositional and do not seem to be extremely critical decisions; black has a big advantage whatever white plays here according to F) 19...Qe8 white has big problems with space and development 20.Rf2 (20.Nxe4 amazingly for a moment F showed this 20...dxe4 21.Qxc4 e.g. 21...Bf6 freeing up the LSB 22.Qxb3 Ba6 23.Nc4 Qh5 white has some compensation - and maybe in the particular position this would have been a good idea to comlicate the position - but I would feel very confident here with black a piece up; probably a good kamikazi attempt by white though) 20...Nd7 e.g. (20...Bh4 21.g3 Be7 22.Nxe4 dxe4 23.Qxc4 Bd6 24.Qxb3 Bxe5 25.dxe5 Ba6 an very agreeable position for black) 21.Nf1 Nxe5 22.dxe5 h5 again there are so many possible variation in this position that it would be possible to get side tracked hundreds of times] 19.Qg3 F gives black a bit over half a pawn advantage by here [19.Nb1 the first choice of F, preparing development of knight on queenside 19...0–0 20.Na3 Ba6 e.g. 21.Qg3 (21.Nb5 Qb7 22.Qg3) 21...Nc6 22.Ng4 Kh8 23.Bd2 Qb6 24.Ne5 Nxe5 25.dxe5 Rf5 26.Rf2 as before there are hundreds of possible variations within this close pawn structure position] 19...Bf6 I still was not keen on kingside castling and wanted to develop pieces. I have to meet the threat Qxg7. F does not like this and drops evaluation to under half a pawn to black instead of about a pawn to black after 0–0 [19...0–0 e.g. 20.Nb1 Nc6 21.Na3 Ba6 22.Ng4 Kh8 F gives black about a pawn] 20.Re1 F yellow flags this also, returning the advantage to black again to about a pawn [20.Nb1 e.g. 20...0–0 21.Na3 Be7 (21...Ba6 22.Bd2 Bxe5 23.fxe5 Nd7 is about equal for example) 22.Nb5 Qb7 F is still showing lots of candidate moves and lots of transposing moves, so there is some scope for choice in the position. This position is certainly not looking a lot better for black any more and the development of the knight to b5 was strong for white] 20...Qe7 this also has the obvious cheap threat of Bh4 skewering the queen and rook, but also aims to develop the queenside pieces [again, F likes castling 20...0–0 21.Nb1 Bd7 22.Bd2 Bxe5 23.fxe5 Nc6 24.Na3 Ne7 25.Qh3 (25.Nb5 Bxb5 26.axb5 Qb7) ] 21.Qg4 Bd7 I wanted to develop my knight to c6 or d7 but felt I couldn't do either of these on the last move. F still gives black an edge here, but less than half a pawn. [21...0–0 F again prefers to castle, e.g. 22.Nf1 Nd7 23.Ng3 Nb6 (23...Nxe5 24.dxe5 Bh4 25.Rd1 Bxg3 26.Qxg3 Bd7) 24.Nh5 Bxe5 25.dxe5 Qf7; 21...Nd7 22.Nb1 (22.Nc6 this is what I was concerned about and thought it could be anoying 22...Qd6 but actually, after this it is harmless and has to retreat 23.Ne5 0–0) ] 22.Nf1 Nc6 F again prefers castling but I see the possibility for queenside castling after developing [22...0–0 e.g. 23.Ng3 Be8 24.Bd2 Nc6 25.Rf1 Rb8 F suggests this move; it seems like a nonsense move, like it is zugzwanged into playing it; even so F gives a bit under half a pawn to black] 23.Nxd7 [F prefers 23.Ng3 0–0 24.Rf1 Be8 25.Bd2 Rb8 to the same position as in the other variation] 23...Qxd7 I was happy with this as the strong knight on e5 has gone and now the e7 square is free for my knights on c6 24.Ng3 F concurs with this 24...Ne7 [F suggests 24...g6 e.g. 25.Bd2 Kf7?! why does the computer like this? (25...0–0–0 this looks interesting and leads to interesting possibilities 26.Ne2 (26.Rf1) 26...h5 27.Qh3 (27.Qxg6? the exchange is lost due to the queen trap threats 27...Bh4! 28.f5 e.g. (28.g3?? loses the queen 28...Rdg8; 28.Rf1?? loses the queen 28...Rdg8) 28...exf5 29.Nf4 Rdg8 30.Qe6 Qxe6 31.Nxe6 Bxe1 32.Bxe1 easily winning for black) 27...Kb7 with strong attacking potential for black and king safe fron the battlefield compared to white's king) 26.Qe2 h5] 25.Nh5 F aggrees with this move also. The threat on g7 must be met. 25...0–0–0 I must prefer to castle queenside here, although F puts the evaluation equal now, but maybe this is partly because it is such a hard position for the computer to evaluate because it is closed. I think this longside castling give black much better changes of winning as opposed to drawing and gives nice imbalance in the position [F suggests 25...0–0 and give an eval of over half a pawn to black 26.Bd2 Nf5 27.Re2 and as before the game is largely close and will entail slow maneuvring by both sides] 26.Nxf6?! F gives black a clear half a pawn again after this [F suggests moves such as 26.Qh3 the computer seems to be struggling evaluating these positions 26...Nf5 27.g4 Nd6 28.Bd2 (28.g5 Be7) ; as well as the farcical looking 26.Rd1 which just looks like the computer doesn't know what to do] 26...gxf6 F doesn't really seem to know what to do here 27.Kf2 I felt very confident about the position after my opponent started walking with his king as it looks like he has given up hope and trying to hide his king [27.Qh4 Nf5 28.Qf2 (if 28.Qxf6 then 28...Rhg8 preparing Rg6 29.Qe5 pathetic for white 29...Rdf8 (29...Rg6 after evaluating each option for white, it seems it dawns on Fritz that the position is hopeless 30.Re2 (30.Rf1) 30...Nh4 31.Kf1 (31.Rf2 Rxg2+! 32.Rxg2 Nf3+ 33.Kf2 Nxe5 34.dxe5 Rf8 35.Bd2 Kb7 36.Rag1 Kb6 37.Ra1 Qf7 threatening to penetrate on the light squares with Qh5 38.Rg3 Rg8 39.Rag1 Rxg3 40.hxg3 Qe8 easily won for black 41.Rh1 e.g. 41...Qxa4 42.Bc1 (42.Rxh7 Qa1 43.Ke2 Qxb2 44.Rh6 Qc2 45.Rxe6+ Kc5 46.Re8 b2 47.Rc8+ Kb5 48.Rb8+ Kc6 49.e6 Qd3+ 50.Kd1 b1R+ 51.Rxb1 Qxb1+ 52.Ke2 Kd6) 42...Qa2 43.f5 a4 this looks a bit of a risky way of converting the advantage, unless you are a computer 44.fxe6 a3 45.e7 axb2 46.Bxb2 (46.e8Q?? bxc1R#) ) 31...Rdg8) ) ] 27...h5 a natural move 28.Qh3 [28.Qe2 Nf5 29.Kg1; 28.Qh4 Nf5 29.Qxf6 Rdf8 (29...Rdg8 at first F gives this before it finds the Rdf8 move, although the position is ultimately disastrous for white and F soon evaluates as 5 pawns of more for black anyway 30.Rg1 Rh6 31.Qe5 Qd8 32.Ke2 Qh4 F has masterfully removed any squares for the white queen so it is trapped; white is doome, e.g.: 33.Bd2 Qxh2 34.Kf1 Rhg6 35.Re1 Kb7 F cooly plays this king move(35...Kd7 is also fine; 35...Ng3+ although it is totally winning, it is interesting to see what different methods there are to technically execute the win 36.Kf2 Kd7 37.f5 Rf8 typical of fritz, white is now in zugzwang and has no sensible moves to prevent losing) ) 30.Qe5 Ng7! threatening to trap the queen 31.Qg5 (31.f5?? Rxf5+) 31...Nf5 amazingly preventing the queen from retreating in any way] 28...h4 F is actually suggesting Ra3 here; I think it must have no hope in the position [28...Nf5 was much stronger than the game move according to F, giving 2 pawns to black instead of 1 29.g3 e.g. 29...Rdg8 30.Bd2 Rg4 31.Rg1 Qg7 32.Raf1 h4 33.gxh4 Rhxh4 34.Rxg4 Rxg4 35.Rh1 a) 35.Ke1? Rh4; b) 35.Qh5 Rh4 36.Qe8+ (36.Rg1 Qxg1+ 37.Kxg1 Rxh5) 36...Kc7 37.Qxe6 Rxh2+ forced mate in 12 38.Ke1 Qg2 39.Qf7+ Kd8 40.Qxd5+ Ke7 41.Qc5+ Nd6 42.Qc7+ Ke8 43.Qc6+ Kf7 44.Qd7+ Kg6 45.Qg4+ Qxg4 46.Rf2 Rh1+ 47.Rf1 Qg3+ 48.Ke2 Qg2+ 49.Kd1 Rxf1+ 50.Be1 Qc2#; ] 29.Bd2 [29.Ra3 Nf5 30.Kg1 Kc7 31.Bd2 Kd6 32.Re2 Rh7 33.Ra1 Rg8 34.Be1 Qg7 35.Bf2 Qh8 36.Kf1 Ng3+ 37.Ke1 (37.hxg3 hxg3 38.Qxh7 Qxh7 39.Bg1 Qh1 40.Rd1 Rh8 41.Ke1 (41.Red2 Rh5 42.Re2 e5 43.dxe5+ fxe5 44.fxe5+ Kxe5) 41...Qxg1+ 42.Kd2 Rh1 (42...Qh2 43.Rf1 Qh5 44.Rg1 Qe8 45.Ra1 Rh2 zugzwang for white; neither rook can move without losing a pawn and the king can't move without losing rook due to skewer, and moving f pawn will lead to an easy win for black as well) ) 37...Nxe2 38.Kxe2 Rhg7] 29...Rdg8 30.Rg1 F flags this up, however it all ultimately leads to the same loss unless black makes a major error [30.Rf1 Nf5 31.Ke1] 30...Nf5 31.Ke2 Rh6 preparing to double rooks on g file at an appropriate time [F slightly prefers 31...Rh7 ] 32.Be1 Kc7 [32...Rgg6 33.Bd2 Kb7 34.Rh1 Qg7 black has time to maneuvre the pieces at leisure and prepare the breakthrough] 33.Kd2 Kd6 with the idea of making the queen and knight free to move, and also feels like a nice place for the king before opening up the position 34.Bf2 Qg7 35.Rad1 perhaps planning to let the king in past the rook, but this isn't even a safe place as the black queen can take the a4 pawn and either mate the white king of destroy the defence. At the same time there isn't much white can do and his moves are basically waiting moves 35...Rg6 I finally make the decisive decision to break through and F concurs with this move 36.g3 [if 36.Bxh4 then 36...Nxh4 (or even the immediate 36...Rxg2+ 37.Rxg2 Qxg2+ 38.Qxg2 Rxg2+ 39.Kc1 Rc2+ 40.Kb1 Nxh4) 37.Qxh4 leads to mate 37...Rxg2+ 38.Rxg2 Qxg2+ 39.Ke1 Qg1+ 40.Kd2 Rg2+ 41.Kc1 Rc2+ 42.Kb1 Qxd1#] 36...hxg3 37.Bxg3 Nxg3 [F comes up with this clever line 37...Rh8 38.Qg2 Nh4 39.Qf2 (39.f5+ Kc6 40.Qf2 Nf3+) 39...Nf3+] 38.Rxg3 [38.hxg3 is no different 38...Rxg3 39.Rxg3 Qxg3 40.Qxg3 Rxg3] 38...Rxg3 39.Qxg3 [39.hxg3 no different 39...Qxg3 40.Qxg3 Rxg3] 39...Qxg3 40.hxg3 Rxg3 41.Re1 e5 [41...Rg2+ leads ultimately to the same result 42.Re2 (42.Kc1 e5 43.fxe5+ fxe5 44.Kb1 exd4 45.cxd4 Rh2 46.Rg1 Ke6 47.Kc1 Rc2+ 48.Kb1 Re2 49.Kc1 (49.Rg6+ Kf5 50.Rg1 (50.Ra6 Re1#) ) ) ] 42.fxe5+ fxe5 43.Re2 exd4 [F prefers 43...Ke6 ] 44.exd4 Rg1 [44...Rd3+ 45.Ke1 Rh3 46.Rg2 Ke7 47.Ke2 (47.Rg7+ Kf6 48.Rg2 (48.Ra7 Rh2 49.Rxa5 Rxb2 50.Rxd5 Rh2 51.Rd6+ Kf5 52.Rd8 e3 53.a5 Ke4 54.Rg8 Kd3 55.Kf1 e2+ 56.Kg1 e1Q+ 57.Kxh2 Qh4+ 58.Kg2 b2 59.Rb8 Qg4+ 60.Kh2 Qf4+ 61.Kg1 Qxb8 62.Kg2 b1Q 63.a6 Qe1 64.a7 Qbg3#) ) ] 45.Re1? This leads to a lost pawn ending which simplifies matters for black in theory [45.Rh2 Ke6 46.Ke3 Kf5 47.Rf2+ (47.Rh5+ Kg4 48.Rxd5 Re1+ 49.Kf2 Rb1 50.Ke3 Rxb2 51.Rxa5 quite a complicated situation; F gives black a couple of pawns evaluation, but in practice I can imagine this being potentially difficult 51...Rb1 52.Kxe4 b2 53.Rb5 Re1+ 54.Kd5 b1Q 55.Rxb1 Rxb1 56.Kxc4 Kf5 57.Kc5 F gives about 3 pawns advantage for black, although with any technical slip ups I'm sure its possible to bodge it or even get in trouble for black - this kind of position warrants deep analysis in its own 57...Ra1 luring the king across in order for the black king to come nearer to the pawns 58.Kb5 Ke6 59.a5 Kd6 60.Kb4 (60.a6 Rb1+ 61.Kc4 Kc6) 60...Kd5 61.Kb5 Rb1+ 62.Ka6 Kc6 63.Ka7 Rb7+ 64.Ka8 Rg7 65.c4 Kc7 66.Ka7 Rd7 67.Ka6 Kc6 68.d5+ Kc5 69.d6 Kc6 only one legal move for white 70.c5 Rg7 71.d7 Rg8 72.Ka7 Rd8 73.a6 Rxd7+ 74.Kb8 Rf7 75.Ka8 Kxc5 76.Kb8 Kc6 77.Ka8 Kb6 78.a7 (78.Kb8 Rf8#) 78...Rf8#) ] 45...Rxe1 46.Kxe1 Ke6 47.Kf2 Kf5 48.Ke3 Kg4 49.Kf2 Kf4 50.Ke2 e3?? This is a ridiculous move and should lead to a draw, and was the only real blunder in this game by black, but luckily my opponent resigned in this position. This was the just result in the game as black has been clearly winning, and at the time of the game I was on the away team and in the venue the lights went out around the time of the move and this was quite distracting, although I do not remember if it was before or after the lights went out, but in any case I was stupid to play that move so hastily, but I feel the final result was just and hope that in most game situations I would not have made that blunder and would have taken my time.[50...Kg3 51.Ke3 Kg2 52.Ke2 Kh3 53.Kf1 Kg3 54.Ke2 (54.Ke1 Kf3 55.Kf1 e3 56.Kg1 (56.Ke1 e2 57.Kd2 Kf2) 56...e2) 54...Kg2 having triangulated or maneuvred to get the opposition 55.Ke3 Kf1 56.Kd2 Kf2 57.Kd1 e3] 0-1
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