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BLOCKING COMBINATIONS: OBSTRUCTING SQUARE/LINE
Compiled by trh6upsz
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Game Collection: BLOCKING COMBINATIONS: OBSTRUCTING SQUARE/LINE

25 e5-e6!
40 Nf6-d7+!!
40 ... b4-b3+!
33 ... d3-d2+!
33 h4-h5+!

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Dr. K. Bayer, The Immortal Problem (Era 1856)

Mate in 9 moves. White to begin

<1. Rb7! Qxb7 2. Bxg6+! Kxg6 3. Qg8+ Kxf5 4. Qg4+ Ke5 5. Qh5+ Rf5 6. f4+! Bxf4
7. Qxe2+!! Bxe2 <<<8. Re4+!! dxe4 9. d4#!!>>>>

http://www.blub.net/~vincent/proble...

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EPHIPHANY

My first <BLOCKING COMBINATION>!

33 ... ?


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33 ... d3-d2+! <block: d2>


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34 ♘c4xd2 ♖a2-a1+


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CHESS IS *NOT* JUST COUNTING!

MISPLACED PIECES: ALIGNED, TRAPPED, EMBARRASSED (ATE)

DECOYS: DRAGGING ENEMY PIECES WHERE THEY DO NOT WANT TO GO

GM Hebden, Mark L (2560) - Wheeler, Darren P (2236) 4NCL 2010-11 Daventry ENG (2.11), 2010.11.07
1.d4 e6 2.Nf3 d5 3.c4 c5 4.e3 Nc6 5.cxd5 exd5 6.Bb5 Bd6 7.O-O Nge7 8.dxc5 Bxc5 9.b3 O-O 10.Ba3 Bxa3 11.Nxa3 Qa5 12.Bxc6 bxc6 13.Nc2 c5 14.Qd2 Qxd2 15.Nxd2 Ba6 16.Rfc1 Rfd8 17.e4 c4 18.b4 d4 19.b5 Bxb5 20.Na3 c3 21.Nxb5 cxd2 22.Rd1 Rab8 23.Na3 Rdc8 24.Kf1 d3 25.Nb1 Rb2 26.Nxd2 Rcc2 27.Ke1 f5 28.Rac1 Rxc1 29.Rxc1 fxe4 30.Rc4 Nd5 31.Rxe4 Rxa2 32.Nc4 Nc3 33.Rd4 d2+ 34.Nxd2 Ra1+ 35.Nb1 Rxb1+ 36.Kd2 Nb5 37.Rd7 Rb2+ 38.Ke3 a5 39.Rd8+ Kf7 40.Ra8 Rb3+ 41.Kf4 Rb4+ 42.Ke5 a4 43.f4 Rc4 44.f5 Rc5+ 45.Kf4 a3 46.g4 Rc7

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Here is a *wicked* attacking game by IM-elect Mandizha:

http://main.uschess.org/content/vie...

33 ?


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33 h4-h5+! 1-0 <blocking: h5>


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Liberty Bell Open, Philadelphia 2011
White: Mandizha, Farai
Black: Stuart S Finney

1.g3 d5 2.Bg2 Nf6 3.Nf3 e6 4.O-O Be7 5.d3 O-O 6.Nbd2 c5 7.a4 Nc6 8.Re1 Qc7 9.e4 b6 10.Qe2 Bb7 11.e5 Nd7 12.c3 a6 13.Nf1 b5 14.h4 Nb6 15.axb5 axb5 16.Rxa8 Rxa8 17.N1h2 b4 18.Ng4 Ra2 19.cxb4 Nxb4 20.Bf4 Ba6 21.Nf6+ Bxf6 22.exf6 Qd8 23.Ne5 gxf6 24.Qg4+ Kf8 25.Bh6+ Ke7 26.Nxf7 Qc8 27.Qg7 Kd7 28.Rxe6 Kxe6 29.Bh3+ f5 30.Bxf5+ Kxf5 31.Qe5+ Kg6 32.Nd6 Qg4 33.h5+ 1-0

25 e5-e6!, blocking e6, 26 f5-f6 winning stalemated g7-knight
Petrosian vs H Corral, 1954 
(D35) Queen's Gambit Declined, 29 moves, 1-0

40 Nf6-d7+!! royal fork that Black must capture, blocking d7-sq
Kasparov vs Bareev, 2001 
(C07) French, Tarrasch, 41 moves, 1-0

40 ... b4-b3+! -+ takes away b3-sq from White c2-king, wins
Ivanchuk vs Topalov, 2009 
(B99) Sicilian, Najdorf, 7...Be7 Main line, 54 moves, 0-1

24 ... f4-f3! White e2-queen needs access to f3-flight square
D Neukirch vs Uhlmann, 1974 
(C07) French, Tarrasch, 30 moves, 0-1

41 Qf7-h7+! Nf8xQh7 blocks h7-flight sq for mating 42 Ng5-f7#
Movsesian vs A Zatonskih, 2012 
(C11) French, 41 moves, 1-0

33 ... d3-d2+!
Hebden vs D P Wheeler, 2010 
(D30) Queen's Gambit Declined, 46 moves, 0-1

69 Bf1-e2!
D Swiercz vs T Burg, 2010 
(B80) Sicilian, Scheveningen, 70 moves, 1-0

41 Bf3-c6!
O Jakobsen vs J Veselsky, 2006
(D37) Queen's Gambit Declined, 54 moves, 1-0

39 g4-g5! blocks Black h6-bishop along the c1-g6 diagonal
Zhao Xue vs B Bok, 2014 
(D83) Grunfeld, Grunfeld Gambit, 44 moves, 1-0

16 Bd3-g6!! obstructs Black h6-queen along the 6th rank
S Volkov vs B Socko, 2014 
(E20) Nimzo-Indian, 45 moves, 1-0

33 f4-f5+! 1-0
P V Vishnu vs Sutovsky, 2015 
(A39) English, Symmetrical, Main line with d4, 33 moves, 1-0

26 e5-e6+! blocks e6-sq so that Ra1-d1+ will remove the guard
Wei Yi vs I Nepomniachtchi, 2017 
(B96) Sicilian, Najdorf, 75 moves, 1-0

12 games

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