Bogo-Indian Defence, Monticelli Trap: Difference between revisions

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Revision as of 02:50, 25 December 2012

This article uses algebraic notation to describe chess moves.

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Position after 10.Ng5!

In chess, the Monticelli "Trap" is a combination in the Bogo-Indian Defence, named for Italian champion Mario Monticelli from the game Monticelli versus Prokeš, Budapest 1926.^[1] Although it is called a trap because White wins the exchange, Black does obtain some compensation.

The trap begins with the moves

1. d4 Nf6

2. c4 e6

3. Nf3 Bb4+

Black plays the Bogo-Indian-Defence.

4. Bd2 Bxd2+

5. Qxd2 b6

6. g3 Bb7

7. Bg2 O-O

8. Nc3 Ne4

9. Qc2 Nxc3

10. Ng5!

(See diagram.)

White threatens mate with 11. Qxh7# as well as 11. Bxb7 winning a bishop and a rook. After either 10. ... Ne4 11. Bxe4 or 10. ... Qxg5 11. Bxb7, Black loses the exchange, but obtains compensation in the form of one or more pawns and possibly a weakened White king. It is not clear if the position is a forced win for White.

Chess legend Capablanca allowed 10. Ng5 twice in consecutive games as Black against Max Euwe in Amsterdam, 1931, drawing both times. The second game went:

10. ... Ne4 11. Bxe4 Bxe4 12. Qxe4 Qxg5 13. Qxa8 Nc6 14. Qb7 Nxd4 15. Rd1 c5 16. e3 Nc2+ 17. Kd2 Qf5 18. Qg2 Nb4 19. e4 Qf6 20. Kc1 Nxa2+ 21. Kb1 Nb4 22. Rxd7 Nc6 23. f4 e5 24. Rhd1 Nd4 25. Rxa7 exf4 26. gxf4 Qxf4 27. Re1 Nf3 28. Re2 Nd4 29. Re1 (½-½).^[2]

The line has been played several times over the years at the highest levels, including Portisch–Andersson 1983^[3], which ended in a draw, and relatively recently in Aronian–Postny 2005^[4], which White won. The offer of the exchange has in fact been refused by White in Grandmaster games (either 10. Qxc3 or 10. Ng5 Ne4 11. Bxe4 Bxe4 12. Nxe4. ^[5])

References

Brace, Edward R. (1977), An Illustrated Dictionary of Chess, Hamlyn Publishing Group, p. 191, ISBN 1-55521-394-4
Znosko-Borovsky, Eugene (1977), The Art of Chess Combination, Dover, p. 82, ISBN 0-486-20583-5
chessworld.net

[1] Monticelli vs. Prokeš

[2] Euwe vs. Capablanca

[3] Portisch vs. Andersson

[4] Aronian vs. Postny

[5] Psakhis vs. Marin 2005

[1]

[2]

[3]

[4]

[5]

@@ Line 36: / Line 36: @@
 :10. ... Ne4 11. Bxe4 Bxe4 12. Qxe4 Qxg5 13. Qxa8 Nc6 14. Qb7 Nxd4 15. Rd1 c5 16. e3 Nc2+ 17. Kd2 Qf5 18. Qg2 Nb4 19. e4 Qf6 20. Kc1 Nxa2+ 21. Kb1 Nb4 22. Rxd7 Nc6 23. f4 e5 24. Rhd1 Nd4 25. Rxa7 exf4 26. gxf4 Qxf4 27. Re1 Nf3 28. Re2 Nd4 29. Re1 (½-½).<ref>[http://www.chessgames.com/perl/chessgame?gid=1042353 Euwe vs. Capablanca]</ref>
-The line has been played several times over the years at the highest levels, including Portisch–Andersson 1983<ref>[http://www.chessgames.com/perl/chessgame?gid=1020226 Portisch vs. Andersson]</ref>, which ended in a draw, and relatively recently in Aronian–Postny 2005<ref>[http://www.chessgames.com/perl/chessgame?gid=1333237 Aronian vs. Postny]</ref>, which White won. The offer of the exchange has in fact been refused by White in Grandmaster games (either 10. Qxc3 or 10. Ng5 Ne4 11. Nxe4. <ref>[http://www.chessgames.com/perl/chessgame?gid=1372169 Psakhis vs. Marin 2005]</ref>)
+The line has been played several times over the years at the highest levels, including Portisch–Andersson 1983<ref>[http://www.chessgames.com/perl/chessgame?gid=1020226 Portisch vs. Andersson]</ref>, which ended in a draw, and relatively recently in Aronian–Postny 2005<ref>[http://www.chessgames.com/perl/chessgame?gid=1333237 Aronian vs. Postny]</ref>, which White won. The offer of the exchange has in fact been refused by White in Grandmaster games (either 10. Qxc3 or 10. Ng5 Ne4 11. Bxe4 Bxe4 12. Nxe4. <ref>[http://www.chessgames.com/perl/chessgame?gid=1372169 Psakhis vs. Marin 2005]</ref>)
 ==References==

Revision as of 02:50, 25 December 2012

References

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