Colle System Classics
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Colle System Classics (from http://www.chessgames.com/perl/chesscollection?cid=1001952 ) 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. Alekhine-Koehnlein that if he allows Qxg5, the black Queen will be Dusseldorf 1908 on a sensitive square. This is a famous short game in which the future world champion, Alexander Alekhine, finds a stunning queen sacrifice to demolish his opponent. Alekhine was known for his fabulous tactical skill. 1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Bd3 Nbd7 5. Nbd2 Bd6 14. Nxe5 Qxg5 15. Bc4+ Kh8 Now Nf7+ would fork the King & Queen. However, the Rook would simply take the Knight. What can Alekhine do? Can you find the move? The position after 5 moves is perfectly symmetrical, with white to move. Notice how the d3 Bishop and d2 Knight both attack e4, so white can now play 6. e4, and after the exchanges, release his c1 Bishop. 6. e4 dxe4 7. Nxe4 Nxe4 8. Bxe4 O-O 16. Qxd6!! Sac the Queen! cxd6 17. Nf7+ Now White has a big space advantage, and his pieces are lined up for an attack on the Kingside! Now Black can’t take with the Rook, because 17. 9. Bg5 Qe8 10. O-O f5 11. Bd3 e5 12. dxe5 ...Rxf7 18. Re7+ Rf8 19. Rxf8#! Black can only Nxe5 13. Re1 Qh5 In this position Alekhine sees meekly move the King, lose the Queen, and resign. 17. … Kg8 18. Nxg5+ 1-0 .