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ANNOTATED GAME

The power of mobility - An expert win -
a_random_guy (1796) vs. offshoremann (2032)
Annotated by: a_random_guy (1985)
Chess opening: KP (B00), Nimzovich defence, Marshall gambit
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Pages: 123
19... g6 20. Nd2 Bh6 21. g3 Bh3 22. Rf2
Both players develops their remaining pieces.

 
22... Bd7 23. Ndf3 Ba4 24. Raf1 Rbf8
Both players piles up on the f file.
1 comment
 
25. Nh4
I attack the g6 pawn...

 
25... Be8
Black defends...

 
26. Nhf3 e6
Black defends his d5 pawn...

 
27. h4
! I lock down the kingside with this move. Since I have two knights against two bishops, I should keep the position closed. Black cannot advance on the kingside without losing material. However, my knights can jump into Black's territory via e5 or g5.
1 comment
 
27... Ke7
Most of Black's forces are locked to the kingside. What to do...
1 comment
 
28. a4
! Since my pieces have greater mobility, I can afford to open up the queenside so my rooks invade Black's back rank.

 
28... a6 29. Ra1 Kd8 30. Rb2 Ke7
? Black had to play 30...c6 to slow down my advance on the queenside. Now my rooks can infiltrate the enemy.

 
31. b5 a5 32. b6
Black has to take or else I promote it.

 
32... cxb6 33. Rxb6
Infiltration successful.

 
33... Rh8
Black has no coherent plan right now.
1 comment
 
34. Ra6
! I attack the lone pawn that can't be protected. However, I have other plans...

 
34... Rg8 35. Rb1
My a pawn obviously cannot be taken

 
35... Kf8 36. Rb7
The other point of 34.Ra6 is that it allows me to double the rooks on the same rank if I need to.

 
36... Rg7
Black challenges my rook...

 
37. Rb8
! I move away, pinning his bishop on the way.

 
37... Ke7
A last ditch effort from Black to get some freedom...

 
38. Ra7+
But his request has been denied. The king is forced to go to f8. (38...Kd6?? 39.Rb6+ Bc6 40.Rxc6#)

 
38... Kf8 39. Raa8 Re7
The only defence. Can you find the winning move without going to the next page? (There are multiple solutions)

 

Pages: 123