colapesce51

- *FORCE* your opponent to line up his pieces!
notyetagm, chessgames.com 2009
 click for larger view click for larger view1 ♖e1x♗e7+! +- wins even though the e7-square has four(!) defenders versus only one(!) attacker, even though the ♖ is more valuable than the ♗, because the e7-square is <LINED UP> with both the Black e8-king and the Black d7-queen and White controls *both* of those <ALIGNMENTS>. 1 ... ♔e8x♖e7 2 ♖h1-h7+ <skewer: e7,d7>
 click for larger view1 ... ♕d7x♖e7 2 ♖h1-e1 <pin: e7,e8>
 click for larger view---
Make forcing moves and other threats that coerce your opponent to line up his pieces, forming <PINNING CHAINS> and <SKEWERING CHAINS>, and then <PIN> and <SKEWER> these enemy pieces that you have forced into alignment. Kamsky vs Shirov, 2007  click for larger view<39. Rgxg8+> Kh7 <40. Rh8+> Kg7 <41. Rdg8+> Kf6 <42. e5+> Ke7
<43. Re8+> Kd7 44. e6+  click for larger view
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| 32 games, 1896-2010 - 667_tactical motif PIN PIN PIN
<<<Whenever you see two pieces of the same color on a file or a diagonal, you should be thinking <PIN(!)> (Weteschnik).>>> WETESCHNIK ON PINS
-- Every undefended piece (<UNDEFENDED> Black a5-queen) is a potential candidate for a pin -- Two pieces of the same color (Black c3-knight, <UNDEFENDED> Black a5-queen) on a file or diagonal (a5-e1 diagonal) should be considered as pinned -- Every attacked piece of yours (Black c3-knight by White b2-pawn) standing in front of another of your pieces (<UNDEFENDED> Black a5-queen) must be regarded as pinned ---
"The ρίη is extremely common ίη any game of chess. Its exploitation as a tactical device aήses as a result of the total or partial immobilisation of the pinned piece." --G. Nesis ---
check also: Game Collection: PINS AGAINST UNDEFENDED PIECES (UPMP)
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| 57 games, 1858-2018 - Double Attack
Double attack is the simultaneous attack by a single piece on two hostile pieces. I have not included Knight Forks in this collection, even though they are a subcategory of double attacks, because of their uniqueness -- but have included them in a separate collection.
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| 272 games, 1841-2015 - DOUBLE ATTACKS
Threatening two things at once.
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| 40 games, 1896-2013 - LATERAL PINS: PINS ALL THE WAY ACROSS THE RANK
The patzer ignores the ranks
-- old Russian saying
The next five examples feature lateral pins
-- Neil McDonald in Mastering Chess Tactics
Position after 23 ... ♖g1+!:
 click for larger view[Event "ICC 3 0"]
[Site "Internet Chess Club"]
[Date "2006.09.17"]
[Round "-"]
[White "kanza"]
[Black "Temptation"]
[Result "0-1"]
[WhiteElo "3053"]
[BlackElo "3139"]
[ICCResult "White resigns"]
[Opening "Trompowsky attack (Ruth, Opocenský opening)"]
[ECO "A45"]
[NIC "QP.07"]
[Time "18:15:07"]
[TimeControl "180+0"]
1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. e3 c5 5. Nf3 Nc6 6. c4 cxd4 7. exd4 Bg4
8. c5 e5 9. Bb5 e4 10. h3 Bd7 11. Bxc6 bxc6 12. Ng1 Rg8 13. g3 f5 14. Ne2
Bh6 15. Nbc3 Rb8 16. Qc2 Qf6 17. Rd1 Kf8 18. Nf4 Bxf4 19. gxf4 Qh4 20. Ne2
Bc8 21. Qa4 e3 22. Rf1 Rxb2 23. Qxc6 exf2+ 24. Rxf2 Rg1+
White resigns 0-1
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| 41 games, 1858-2016 - PINS! PINS! PINS! PINS! PINS! PINS! PINS! PINS!
52 games, 1927-2016 - Pre-romantic era of chess
-Content:
-oldest recorded game of chess
-Italian masters through history: Polerio, Busnardo and Greco -Spanish maters through history: Damiano and Ruy Lopez -Philipp Stamma
-Legal - first proffesion chess player and Philidor's teacher -Englishmen Bowdler
-François André Philidor - probably the strongest player of his time -La Bourdonnais vs McDonnell match in 1834
-other masters of 19th century: Sarrat, Captain Evans, Von der Lasa, Bilguer, Bledow, Saint Amant and Staunton
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| 31 games, 1475-1843 - REMOVE THE GUARD: ILLUSORY PROTECTION
21 games, 1909-2013 - Skewer
49 games, 1860-2011 - Thematical Games
19 games, 1896-2010
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