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Tyler Longo vs Alexander Martchenko
Canadian Open (2009), Edmonton CAN, rd 2, Jul-12
Queen Pawn Game: Colle System (D04)  ·  0-1

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
0-1

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

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Kibitzer's Corner
Jul-14-09  psychler: Tyler, you need a new opening!!
Oct-07-15
Premium Chessgames Member
  fredthebear: White struggles to find the correct pawn break. It was a bad idea for White to switch his attack to the queenside. Perhaps keeping the position closed with 24.b4 is better than c4. The knight is awkwardly placed and blocks protection for the bishop.

However, if White continues his original kingside assault with 24.h5?! it looks like Black can sacrifice his knight on the rim 24...Nxg5 with counter play. In a closed position, White might have enough time to stick to the plan by preparing his kingside attack better and then push a pawn.

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