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Colle System Classics (Koltanowski variation)
Compiled by carmeloti

The Colle system has been described as the easiest good opening system to learn for white. It allows white to develop his pieces behind a wall of pawns before initiating action and avoids several black defenses. The system is not forcing and does not put the opposing player under a great amount of pressure, but has a deceptive sting that will surprise many opponents. Essentially, it is a Semi-Slav defense "reversed", and the extra tempo gives White attacking possibilities not usually seen from the black side. However, if white doesn't win in the opening or middle game, he often will have a pawn majority of 3-2 on the Q side which can be a winning ending. The opening is not regarded as challenging enough for GM level chess, but for club players it is still viable and is a good introduction to QP openings. This is the one of the earliest and most successful "program" openings, and is very solid and sound.

White's Q side majority
Tartakower vs R Domenech, 1934 
(D05) Queen's Pawn Game, 37 moves, 1-0

Double bishop sacrifice
Koltanowski vs M Defosse, 1936 
(D05) Queen's Pawn Game, 30 moves, 1-0

Bishop sac on h7
Koltanowski vs J J O'Hanlon, 1937 
(D05) Queen's Pawn Game, 24 moves, 1-0

Queen sacrifice
Alekhine vs Koehnlein, 1908 
(D05) Queen's Pawn Game, 17 moves, 1-0

Q side majority
Kashdan vs H Steiner, 1932 
(D05) Queen's Pawn Game, 59 moves, 1-0

Q Indian Defense
Colle vs G A Thomas, 1930
(A47) Queen's Indian, 46 moves, 1/2-1/2

B x h7 sac
Colle vs V Buerger, 1928 
(D05) Queen's Pawn Game, 20 moves, 1-0

K side piece attack
Colle vs J Delvaux, 1929 
(D05) Queen's Pawn Game, 22 moves, 1-0

Q Indian defense
Colle vs Gruenfeld, 1926 
(A46) Queen's Pawn Game, 27 moves, 1-0

Slav defense
Colle vs Bogoljubov, 1930 
(D04) Queen's Pawn Game, 34 moves, 1-0

K side action
S Landau vs E E Book, 1937 
(D05) Queen's Pawn Game, 29 moves, 1-0

Early e5 by black
Colle vs G Stoltz, 1931 
(D04) Queen's Pawn Game, 36 moves, 1-0

Early e5 by black
V Kovacevic vs B Abramovic, 1984 
(A40) Queen's Pawn Game, 45 moves, 1-0

Kolti's line vs. Q Indian
Koltanowski vs B P Reilly, 1935 
(A46) Queen's Pawn Game, 29 moves, 1-0

Q Indian
Koltanowski vs P Cherta Clos, 1935
(D05) Queen's Pawn Game, 32 moves, 1-0

...f5 by black
Koltanowski vs R Domenech, 1934 
(A46) Queen's Pawn Game, 24 moves, 1-0

B f5 line
Koltanowski vs A G Conde, 1936 
(D12) Queen's Gambit Declined Slav, 42 moves, 1-0

Q Indian
Koltanowski vs Alekhine, 1937 
(A47) Queen's Indian, 44 moves, 1/2-1/2

e5 wedge
Maroczy vs L Singer, 1929 
(A46) Queen's Pawn Game, 38 moves, 1-0

IQP for white
D Przepiorka vs L Prokes, 1929 
(D05) Queen's Pawn Game, 24 moves, 1-0

unorthodox h7 sac
Colle vs J J O'Hanlon, 1930 
(D05) Queen's Pawn Game, 20 moves, 1-0

21 games

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