But, that is not always the case. Sometimes a tactical theme, whether threatened or actually carried out, can be used to further a strategic idea. And, as Swedish IM Jesper Hall wrote, in those cases tactics support the strategy, so tactics become a strategic tool.
In his book Chess Training for Budding Champions, Hall advises aspiring players to "study standard positions. The more you have in
your memory, the better you will become, as there will be more positions you can judge by intuition."
Hall also offers the advice that one should not "believe analysis or suggestions in magazines and newspapers without having first
convinced yourself that they are correct." This is especially true of pre-engine analysis which was often dashed out with little regard to accuracy, or was lacking resources that engines find with ease, but humans miss. Even them Hall advises, "...do not trust computer analysis without having formulated and described it in your own words."
Jesper Hall (born July 15, 1971) is an author, chess researcher and teacher who has worked with Magnus Carlsen. His opponent in the following game was English GM Danirel King (born August 28, 1963). The game was played in the Bundesliga, a premier league of teams in Germany that was established in 1980. It is the strongest league of its kind and attracts many highly rated players.
The game was one of those in which Hall's hidden agenda in his use of tactics was to gain a strategic advantage.
Daniel King2530–Jesper Hall24850–1C16Bundesliga 1998/99GER21.11.1998Stockfish 15
French Defense 1.e4 e6 2.d4 d5 3.c3 b4 4.e5 d7 This move is almost
never played and it's results for black are unfavorable. The idea is to play ..
f5 thereby shielding the g-Pawn. 5.d2 White can also choose to play with
doubled Pawns on the c-file after 5 a3. In that case white would get an
advantage in space and some pressure against the K-side. Black would bring his
N from a6 to c4 and start exchanging pieces to try to reach a better ending. b6 6.b5 White does not want to allow an exchange of light-squared Bs, but
is trying to transfer the B to c2. c6 7.a4 a6 8.ce2 A standard maneuvre.
The dark-squared Bs are exchanged and c2-c3 becomes a possibility. xd2+ 9.xd2 b5 Worth considering was 9...Bxe2 eliminating his B which has a limited
future in exchange for white's N which might be useful in the closed position. 10.b3 c5 10...c4 Hall rejected this move because after 11.xc4 dxc4 12.g5 f6 13.exf6 xf6 Black's K-slde Ps are shattered. 11.c3 c6 12.f3 ge7 13.0-0 a5 Black has to play actively because if white can
play Rc2, Rfel and Nf4 he has good prospects on the K-side. - Hall 13...cxd4 is more appropriate. 14.cxd4 a5 15.d1 c4 16.c1 c8 with an equal
position. Vazquez,R (2423)-Pomes Marcet,J (2380) Pamplona 2002 14.d1
Best, but for the reason Hall noted. 14.c2 c4 15.g5 Hall did not
mention this sharp move. Even so, after... 15.c1 xb2 Wins a P. (Hall) 15...xb2 16.fe1 16.xg7 g8 17.f6 xe2 wins 16...g6 17.h4 h6
and white does not have quite enough compensation for the P. 18.g3 14...0-0 15.e1 This is an important moment because the opening ends and the
middlegame begins. It is time to form a plan. White has several natural moves
at his disposal to start an attack on the K-side, but it is more difficult for
black. Hall's reasoning ran: as white has not yet coordinated his pieces, he
(Hall) wanted to play ...f6 quickly to force white to exchange his central
Pawn. It was at this point that Hall said he began calculating concrete
variations. g6 16.h4 e7 17.h5 h4 18.h2 A logical move, as the
attacker usually wants to keep the pieces on the board. - Hall 18.xh4 xh4 Hall reasoned that white's attack is over without ever having gotten started.
Apparently so did King. 19.b3 c6 20.f4 ac8 21.a4 a6 22.g3 White has
the initiative, but black's resources appear to be adequate. 18...f6 19.exf6 xf6 20.g4 After this black gets the upper hand. 20/Ng3 keeps the
balance. 20.g3 c4 21.e2 cxd4 22.g4 g5 23.xe6+ h8 24.e7 xe7 25.xe7 is equal. 20...f3 A fine tactical shot! all pointed out that he
needed tactics to support his positional idea. e added that the rest is a
matter of technique, but that may be overstating his case. 20...f7
allows white a clear advantage. 21.g5 f5 22.dxc5 bxc5 23.f4 h6 24.g6 xg6 25.hxg6 ae8 26.xe6 and white is winning. 21.gxf3 xf3+ 22.g2 xd2 23.g3 ae8 23...cxd4 was more accurate. 24.cxd4 c6 25.xe6 xd4 26.e7 f7 27.xf7 xf7 28.c1 e6 and black has a favorable ending. 24.e5 dc4 25.g4 xe5 26.xe5 f6 27.ae1 f7 28.dxc5 bxc5 An inaccuracy
that should have allowed white to equalize! 28...c4 29.e2 bxc5 30.xc4 xc4 Black is better. 29.b3 Missing his chance. 29.e4 This tactical
shot equalizes. dxe4 30.xc5 a6 31.a4 xa4 32.xa5 and white is at least
equal. 29...c6 30.g5 30.5e3 is his only hope of
staying in the game. e7 31.c4 a6 32.g1 b7 33.cxd5 exd5 34.c1
and at least white is still fighting. 30...d3 31.e2 xe2 32.xe2 f4 33.f1 33.c4 offers little hope. d8 34.cxd5 xd5 35.xd5 exd5 36.c2
Black is better. 33...h6 34.g3 f5 35.f3 xf3 36.xf3 e5 37.e3 e6
The threat is ...d4 38.g3 f8 39.f3 d4 This secures the point. 40.c4 f5 White resigned. 40...f5 41.cxd4 cxd4 42.h2 g5+ 43.f2 b4 44.a3 d3+ 45.f1 f5 46.h3 f4 47.h1 xh5 etc. 0–1
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