Annotated chess game: MegaChessSuperKnockOut

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ANNOTATED GAME

MegaChessSuperKnockOut
okat (1723) vs. yamunotri (1725)
Annotated by: okat (1200)
Chess opening: Kevitz-Trajkovich defence (A50)

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1. d4	this game shows an example of an attack to blacks casteled king. you will see some sacrifices and white will use every equipment he has to win.



1... Nf6 2. c4 Nc6	seems not a successful opening for the black. development of knights before pawns might give white to conquer the center and initiative to develop the game on either side he wants
	2 comments fatcat2 (1200) on 24-Jun-09: The main drawback of the Mexican Defence is that White can play 3.d5, grabbing the centre with tempo and shoving Black's knights around. Black has a large 2-piece lead in development, but this can be turned against him by White's pawn pushes. nuntar (1702) on 24-Jun-09: Mexican Defence. Another of these playable but less common openings; the most common second moves are 2... e6, 2... g6 and 2... c5. (I disagree with fatcat; 3. d5, far from "grabbing the centre with tempo", cedes control of the central square e5. Black's opening hopes to provoke this response, which leads to sharp play not unfavourable to Black. The main lines are 3. Nc3, as seen in this game, and 3. Nf3.)


3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 e5 7. d5 Nb8	white has an obvious opening advantage right now. pawns are nicely placed in the center.
	2 comments nuntar (1702) on 23-Jun-09: 3... d5 is not best. The main line is the surprising 3... e5, with 3... e6 being a playable sideline for less adventurous players. fatcat2 (1200) on 24-Jun-09: Black's lead in development has evaporated, and White has grabbed a big centre.


8. Nf3 Nd7 9. Bb5 Bd6 10. O-O O-O 11. Ng5	blacks squezed position and underdevelopment gives white a chance to attack



11... Nc5	black is thinking to remove the white's knight at the next move and so leaving the e4 pawn unprotected. And also opening his bishops diogonal. But losing tempo and giving a white chance to attack. 11....f6 could have been better



12. Qh5 h6 13. f4	they are entering into a deep dark forest now. and the path leading out will be wide enough only for one..



13... hxg5	exf4 would have been safe for black.



14. fxg5 g6	black is afraid of white's g6. but it wouldnt be that dangerous for the black. besides 14...Ne4, then Bc5 and Nf2 would give black a chance to draw.
	1 comment fatcat2 (1200) on 24-Jun-09: White's sacrifice was well-chosen: the open h-file will be excellent for White's kingside attacking prospects. White should play for a winning attack with Rf1-f3-h3, forcing checkmate on both h7 and h8.


15. Qh4	this is better than Qh6 as it is protecting e4.
	1 comment fatcat2 (1200) on 24-Jun-09: And the queen still has the option of going to h6, if White wants to push his kingside attack further in. Also, White retains full control of the h-file, which should at least make Black feel uncomfortable.


15... a6 16. Rf3	second sacrifice. white is slowly but surely doing his plan. he will close the white diagonal to blacks bishop and will attack from h column



16... axb5 17. g4 Re8	now Rh3 is not good enough as blacks king could escape thru f8, e7, d6 and then protects himself with his rook, bishop and queen.
	1 comment fatcat2 (1200) on 24-Jun-09: I wonder why White did not play an immediate 17.Rh3 - this seems to force checkmate. <<EDIT>> Oh yes, I didn't spot the sneaky bishop on c8. Now I understand the logic of 17.g4 - sorry guys!


18. Be3	this is nice. bishop is opening the road for the last heavy gun of white and at the same time still on the c1-h6 diagonal.



18... Nxe4	protecting f6 square as whites Queen would treat otherwise with Qf6 after 19.Rh3 Kf8, 20.Qh8 Ke7



19. Rxf7	third sacrifice! this will leave blacks king completely open to attack.



19... Kxf7	now black has no chance but to accept the sacrifice. otherwise Qh7 would be inevitable



20. Qh7+	taking the king back to the last row.



20... Kf8 21. Rf1+ Bf5	now white has a chance to make draw with Qh8, Qh7.. but such attack should end with a win.



22. Rxf5+ gxf5 23. g6	beautiful ending. Threats are not only Qf7, Qh8, g7 but also Bh6!
	4 comments ruachessnut2 (1200) on 23-Jun-09: Also threatens the artistic mate 24. g7+ Ke2 or Kf2 25. Kg8=N# bobdoleeatsfood (1200) on 23-Jun-09: To ruachessnut2: That threat was mentioned. Read the annotators last note. nuntar (1702) on 24-Jun-09: An amazing game, and fantastically well played by White. Thanks for sharing! (To ruachessnut2: 25. g8N+ Kf8. Less artistic but more accurate is 25. g8Q+ Kf6 26. Qgg6#.) mehmetbal1 (1200) on 02-Apr-10: accepting sacrifices are dangerous. if I were black I wouldnt take the knight sac