"Less is more", writes Thomas Engqvist in
300 Most Important Chess Positions: Study Five a Week to be a Better Chess Player (2018). His 300 positions are more positionally oriented than the 300 in Lev Alburt,
Chess Training Pocket Book: 300 Most Important Positions and Ideas, 2nd. ed. (2000) and also include a larger number of endgame positions. I wrote about the first position in this book the week after I acquired it in 2019 (see "
A New Book and a Morphy Game"), but have not been following his recommendation to study five per week. Nor have I followed any other disciplined training regimen. Even so, Engqvist's book has been a frequent reference and valued.
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| Study by J. Hasek |
Although Engqvist asserts, "the less you know the less you'll forget. ... it will be easier to remember 300 positional ideas rather than, let's say, 1000" (7), his 300 series now constitutes a trilogy and contains 900 positions. The motivation to select five per week for serious study has been growing for me.
The fourth endgame position in
300 Most Important Chess Exercises (2022) caught my interest last Friday and again this morning because I set it up incorrectly Saturday morning while trying to show the critical idea to some youth players at a chess tournament.
At first glance, White's task appears hopeless (see photo). Going straight for the a-pawn leads to stalemate. Going after the f-pawn leads to a trebuchet (a position lost for White). The draw is better than a loss, but I had the sense that White should win this with a technique I was missing. After some trial and error playing against Stockfish on the iPad, I found the win, posted on social media the position that arose after two moves, and mentally questioned a response that identified the solution as one of taking the opposition.
The exercise is a study composed by Josef Hasek and published in
Deutsche Schachzeitung (1928). Engqvist identifies the themes as "triangulation and corresponding squares" (222). I think it also bears similarity to the famous Reti study in which White draws by attempting simultaneously to accomplish two impossible tasks (see "
Endgame Calculation"). Such is the power of the double attack.
Stripes, J -- Stockfish14.04.2023
1.Kc6 Ke5 2.Kc7 Kd5 White to move
3.Kd7!Yes, this move seizes the opposition and prepares an outflanking maneuver. But triangulation is a more precise term for White's idea.
3...Ke5 If Black tries 3...Kc5, the diagonal opposition is best because it threatens the f-pawn. 4.Ke7! From the initial position, White cannot imagine going after the f-pawn, but now this threat is what makes it possible to gain the a-pawn without getting trapped on the a-file.
4.Kc6 Because of triangulation, the position that has been reached is the same as after the first move, except that it is Black's move.
4...Kxf5 White to move
5.Kb7 Other moves draw. Black's king is now too far away to trap White's king on the a-file and White's pawn promotes long before Black's can make any progress.
1-0
300 Most Important Chess Exercises is divided into four sections of 75 exercises each. The first two sections are opening and middlegames with tactics emphasized in the second set. The last two sections are endgames, again with tactics emphasized in the final set.
I could see myself developing some consistency with Engqvist's study plan of five positions per week if these five come from all three books, instead of always following only one of them. Coming up soon in
Exercises is the following position, the sixth endgame exercise.
White to move
I have seen this position in other books and have trained with this it on
chess.com. I know the idea--corresponding squares. Nonetheless, this is an exercise that I find difficult. The cases of correspondence which must be worked out encompass more than half of the board.
