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DISCOVERED DEFLECTIONS
Compiled by notyetagm
--*--

DISCOVERED DEFLECTION =
OVERLOADED: TTTCIE
+
DISCOVERY

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Discovered attacks that make things loose are dangerous, dangerous, dangerous. Use the masking piece to exploit the looseness created by the unmasking of the line piece(s) by taking what the newly overworked defender(s) no longer defends.

Essentially this means that the opening of the line results in some looseness that the masking piece exploits by taking something that is now undefended.

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A tremendous example of a <DISCOVERED DEFLECTION> by <smallville (Nakamura)>, from an ICC 1 0 bullet(!!!) game:

Black to play: 20 ... ?


click for larger view

Position after 20 ... ♘g4-f2+! 0-1


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Nakamura plays <TACTICS> in 1 0 bullet games that you would be thrilled to see in your slow OTB games!

Event "ICC 1 0"
Site "Internet Chess Club"
Date "2008.06.29"
Round "-"
White "Iturrizaga"
Black "Smallville"
Result "0-1"
ICCResult "White resigns"
WhiteElo "2559"
BlackElo "2896"
Opening "Queen's Pawn"
ECO "A41"
NIC "QO.17"
Time "02:37:33"
TimeControl "60+0"

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nc6 5. g3 Bg4 6. d5 Nb8 7. Bg2 Qc8 8. O-O Bh3 9. e4 h5 10. Ng5 Bxg2 11. Kxg2 h4 12. f4 Bf6 13. Nf3 hxg3 14. hxg3 Qh3+ 15. Kf2 Bxc3 16. bxc3 Nf6 17. Ng5 Qh2+ 18. Kf3 Qh5+ 19. Ke3 Ng4+ 20. Kd3 Nf2+ 0-1

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From Topalov vs Nisipeanu Liga de Campeones 2007:

Position after 25 ... ♖a8-b8:


click for larger view

Black threatens to win a piece with the <DISCOVERED DEFLECTION> 26 ... ♗b5x♘c4!, exploiting the fact that the White c3-queen must now <DEFEND> both the White c4-knight -and- the White b2-bishop.

Topalov simply moved his White c4-knight to e3 with 26 ♘c4-e3 to meet this threat.

Another good example of a discovered deflection is the sequence 33 ... ♖e8-e6? 34 ♘e5xg6+! from the following ICC blitz game. The position after the blunder 33 ... ♖e8-e6? but before the winning <discovered deflection> 34 ♘e5xg6+ is also shown below.


click for larger view

Event "ICC 3 1"
Site "Internet Chess Club"
Date "2006.04.14"
Round "-"
White "McShane"
Black "Pentacampion"
Result "1-0"
WhiteElo "2860"
BlackElo "2798"
ICCResult "Black resigns"
Opening "Blackmar-Diemer gambit"
ECO "D00"
NIC "QP.07"
Time "19:11:46"
TimeControl "180+1"

1. d4 Nf6 2. Nc3 d5 3. e4 dxe4 4. f3 e3 5. Bxe3 g6 6. Qd2 h5 7. O-O-O Bg7 8. h3 Nbd7 9. d5 O-O 10. g4 Nb6 11. g5 Ne8 12. Bd4 e5 13. dxe6 Bxe6 14. f4 Bxd4 15. Qxd4 Qxd4 16. Rxd4 Nd6 17. Bd3 Rad8 18. Nf3 c5 19. Rxd6 Rxd6 20. Ne4 Rdd8 21. Nxc5 Bd5 22. Rf1 Rfe8 23. Ne5 Rc8 24. b4 Kg7 25. h4 Bc6 26. Kb2 Na4+ 27. Nxa4 Bxa4 28. c4 Bc6 29. Kc3 Red8 30. f5 Re8 31. f6+ Kf8 32. Re1 Rcd8 33. Bf1 <Re6? 34. Nxg6+! +-> Ke8 35. Rxe6+ fxe6 36. Ne5 Be4 37. Be2 Kf8 38. Bxh5 a5 39. bxa5 Ra8 40. g6 Bxg6 41. Bxg6 Rd8 42. h5 Rd1 43. h6 Rh1 44. Nd7+ Kg8 45. f7+
♗lack resigns 1-0

37 Nd4-f5! e6-pawn must protect d5-bishop from unmasked d1-rook
Carlsen vs Svidler, 2011 
(D86) Grunfeld, Exchange, 53 moves, 1/2-1/2

Anand's discovered deflection 33 Nxg6! wins instantly
Anand vs Topalov, 2003 
(B50) Sicilian, 33 moves, 1-0

21 .. Ne4-f2! newly overloaded White e2-queen defends d3-bishop
Eljanov vs V Malakhov, 2009 
(D15) Queen's Gambit Declined Slav, 31 moves, 0-1

23 Ra6!! discovered deflection against loose backrank square b8
Marshall vs Capablanca, 1931 
(E16) Queen's Indian, 36 moves, 0-1

Chandler's discovered deflection against backrank 23 ... Qxa2!
G Wall vs Chandler, 2005
(B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 23 moves, 0-1

Topalov's 27 Qe5-f6+!, discovered deflection against backrank
Topalov vs Naiditsch, 2005 
(D39) Queen's Gambit Declined, Ragozin, Vienna Variation, 27 moves, 1-0

Black threatens 22 ... Rxd4! 23 Qxd4 deflecting queen from c2
T Wedberg vs Korchnoi, 1988 
(C14) French, Classical, 35 moves, 1-0

20 Nxf6+! exploits newly overworked Black e7-bishop
Keres vs I Bilek, 1960 
(B80) Sicilian, Scheveningen, 24 moves, 1-0

24 Qd5-e6! discovered deflection on d-file against back rank
Botvinnik vs Kan, 1931 
(A96) Dutch, Classical Variation, 38 moves, 1-0

(VAR) 22 Rxb7! Black b8-rook cannot defend b7-bishop, d8-rook
Rubinstein vs Bogoljubov, 1922 
(D10) Queen's Gambit Declined Slav, 30 moves, 1-0

17 Ne5-f7+ Black f8-rook defends e8-mating focal point, not f7
Alekhine vs Koehnlein, 1908 
(D05) Queen's Pawn Game, 17 moves, 1-0

33 Ne4xc5?? d6xc5?? 34 Re1xBe5 exploits overworked d6-pawn
E-L Cosma vs Y Kryvoruchko, 2006
(A46) Queen's Pawn Game, 33 moves, 0-1

26 .. Nc4xa3! discovery exploits newly overworked White b2-pawn
Gruenfeld vs Alekhine, 1923 
(D64) Queen's Gambit Declined, Orthodox, Rubinstein Attack, 34 moves, 0-1

20 ... Nf5xh4! White g3-pawn suddenly has to defend f4-knight
Smyslov vs Botvinnik, 1954 
(A07) King's Indian Attack, 36 moves, 0-1

22 ... Nf3-e1+! White f1-rook cannot defend both e1-,f2-squares
H Ibrahim vs Sadvakasov, 1995 
(A65) Benoni, 6.e4, 22 moves, 0-1

21 ... Ne4-c3! White b3-queen must defend newly loose b1-rook
A Staehelin vs Alekhine, 1932 
(E34) Nimzo-Indian, Classical, Noa Variation, 21 moves, 0-1

20 ... Qd5xf3+! newly overworked f1-rook must defend d1-square
L Petovic vs A Chudinovskikh, 2009 
(A46) Queen's Pawn Game, 20 moves, 0-1

36 Bg4xe6+! drives Black e7-king from the newly loose g8-rook
Nakamura vs Ponomariov, 2009 
(B81) Sicilian, Scheveningen, Keres Attack, 36 moves, 1-0

Shirov's discovered deflection 34 Ng6+! wins immediately
Shirov vs Kramnik, 1996 
(B30) Sicilian, 34 moves, 1-0

22 Bxh6! gxh6 23 Qxf6 wins a pawn by discovered deflection
Kharlov vs Iskusnyh, 1995 
(B22) Sicilian, Alapin, 28 moves, 1-0

tamar: 35 Nc7+! is such a great move. Taking either way leads t
Caruana vs I Khairullin, 2012 
(B48) Sicilian, Taimanov Variation, 51 moves, 1-0

21 games

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