few notes:
when you are behind in material usually it is not good to make changes like you did in move 24 for example. your opponent advantage is becoming more clear (in this case it was 21-22 before the change, and 18-19 afterwards). simple math.
another important principle is to try to invade the 7th rank. usually when you got there with your rooks or queen you win the game. you had a good chance to do this in move 25. you could have moved 25. Rb7+ and win the a pawn as well.
yes, i'd say ur opponent should indeed have played 52..a5. u would have been able to defend the kingside. 52...a5 53.Kd4.
the most major of his mistakes, undoubtedly, 43...Rxe6??
43...Rf7 44.Kxc6 Rf3 45. Rf6+ Rxf6 46.gxf6 h6 47.Kxd5 Kf7 48.Ke5 g5 49.h5 g4 50.Kf4 Kxf6 51.Kxg4. much better chances, imo.
another mistake was 42...Re7, with 42...Rf5+ 43.Kd6 d4 44.cxd4 Rd5+ 45.Kxc6 Rxd4 46.Rf6+ Kg8 and game is drawn.
move 38...Rf7+ could be replaced with 38...Kf7, which leads to an advantageous position for black. 23...Rab8 instead of 23...Rac8, 29...e5 instead of 29...Kf8, both would have led to an easy win for black.
oh yes, u missed mate in 1 with 70.Qge3#. but 1 move more doesnt really make a difference to me.
few notes:
when you are behind in material usually it is not good to make changes like you did in move 24 for example. your opponent advantage is becoming more clear (in this case it was 21-22 before the change, and 18-19 afterwards). simple math.
another important principle is to try to invade the 7th rank. usually when you got there with your rooks or queen you win the game. you had a good chance to do this in move 25. you could have moved 25. Rb7+ and win the a pawn as well.
Yeah, I was thinking of this but decided to break throught the center.. e5, as RosarioVampire mentioned, would've broken all my hopes. Didn't see the e5 move back then...
I understand why you would want to break through the centre around move 25. But you are behind on material (2 pawns) and prospects don't look good. I agree with Atinau that 25. Rb7+ would win a pawn back and create a distant passed pawn for you on the a file. Suddenly you are back in the game. I think this was a serious missed opportunity.
Of course, luckily for you black made a few poor moves. I would play 29. ... e5 for example, giving black a passed protected pawn. Instead black played 29. ... Kf8 allowing you to win a pawn back.
34. Rxf8+ - I don't think it's a great idea to swap the rook soff. You are still a pawn down and if you take the rooks off the board now you are almost certainly in a losing end game (with the kings where they are).
However, your play between moves 35 and 42 is excellent, bring your king to the centre of the board. Black should not swap the final rook off now. After 44. Kxe6 it is completely won for white. Black cannot stop the white king from eating up the c and d pawns. 46. Kd7 (rather than Kxc6) is particularly clever.
It's now all over - I am wondering how the game can go on much more .... let's see.
Oh - I see .... 52. b5. I note that you realise why this is not a very good move in your annotation. Black misses the opportunity of course.
53. cxb5 is a bad error. You must play 53. Kxb5 getting your king in front of your pawn. You now have the opposition. e.g. 53. Kxb5 Ka7 54. Kc6 Ka8 55. Kc7 and the pawn now queens. Or 53. Kxb5 Ka7 54. Kc6 Kb8 55. Kb6 (again taking the opposition) Ka8 56. Kc7 and the pawn queens. This is a really quite serious lack of endgame technique. Studying K and p v K is a must. I know there are other panws on the board but in this case you can win without them. However, as it turns out the black king needs to spend time killing your b pawn and that gives you chance to go across the board and win the game.
Good game!!!
"53. cxb5 is a bad error. You must play 53. Kxb5 getting your king in front of your pawn. You now have the opposition. e.g. 53. Kxb5 Ka7 54. Kc6 Ka8 55. Kc7 and the pawn now queens. Or 53. Kxb5 Ka7 54. Kc6 Kb8 55. Kb6 (again taking the opposition) Ka8 56. Kc7 and the pawn queens. This is a really quite serious lack of endgame technique. Studying K and p v K is a must. I know there are other panws on the board but in this case you can win without them. However, as it turns out the black king needs to spend time killing your b pawn and that gives you chance to go across the board and win the game."
Yes, I know. I've spent some time on K v K + P. If there were no other pawns, of course I would've taken with my king. Actually, when I had 2 vs 1 pawn on queenside, my objective was to trade of a pair of pawns, leave black to deal with the other one and meanwhile take the kingside pawns.. That's what I actually did..
Thanks for comments, really appreciate it. If someone notices something that hasn't yet been mentioned, feel free to shoot it.
"53. cxb5 is a bad error. You must play 53. Kxb5 getting your king in front of your pawn. You now have the opposition. e.g. 53. Kxb5 Ka7 54. Kc6 Ka8 55. Kc7 and the pawn now queens. Or 53. Kxb5 Ka7 54. Kc6 Kb8 55. Kb6 (again taking the opposition) Ka8 56. Kc7 and the pawn queens. This is a really quite serious lack of endgame technique. Studying K and p v K is a must. I know there are other panws on the board but in this case you can win without them. However, as it turns out the black king needs to spend time killing your b pawn and that gives you chance to go across the board and win the game."
Yes, I know. I've spent some time on K v K + P. If there were no other pawns, of course I would've taken with my king. Actually, when I had 2 vs 1 pawn on queenside, my objective was to trade of a pair of pawns, leave black to deal with the other one and meanwhile take the kingside pawns.. That's what I actually did..
Thanks for comments, really appreciate it. If someone notices something that hasn't yet been mentioned, feel free to shoot it.
yes, you're right - it's probably a bit unfair to say it is a bad error (I was having a bad day at work) because. as we both noted, the other pawns were there and the way you played was winning anyway. I just think the route I suggest is quicker.
Comment my opponents good/bad moves aswell, please. I saw a few mistakes by both sides but I would appreciate analysis of a better player. Thanks.