To celebrate the 25th anniversary of ChessBase in June last year the Israeli
IM and study composer Yochanan Afek, together with ARVES, the Dutch-Flemish
Association for Endgame Study, announced
a commemorative composing tourney for endgame studies (win or draw). There
were no restrictions on the type of study. ChessBase offered some of their products
as prizes. First prize: A copy of the famous Fritz program signed by over-the-board
world champions. Special prizes were reserved for the best composing debutants.
GM Dr. John Nunn (Great Britain), three-times world champion for solving, was
appointed tourney judge, while the tourney director was Luc Palmans (Belgium),
chairman of ARVES (an international
association promoting the art of the endgame study).
The ChessBase-25 Study Tourney
Award by John Nunn
A total of 73 eligible entries were received for this tourney, an excellent
response from composers. As might be expected with so many entries, the level
was variable, but the average standard was high with many interesting and original
studies. The studies were given to me without the composers’ names and
in the end I included 22 in the award.

Tournament judge Dr John Nunn
In part five I present the next set of prize winners, once again
as diagrams. At the bottom of the page you will find the solutions, replayable
on the ChessBase JavaScript board. I urge you to try and solve the studies yourself
with the help of the notes provided before you look at the solutions.
Robinson,Yechiel, CB 25 revised, 3rd Comm, 2011
White to play and win
A simple but neat tablebase position in which considerable content is condensed
into just a few moves. The first move, blocking the rook and knight battery,
is already unexpected, and on the second move White allows Black to take his
knight with check. If the knight is taken, White’s king performs a switchback,
firing the battery which was set up in a masked form by his first move.
Gomez,Luis, CB 25 revised, 4th Comm, 2011
White to play and win
The sacrifice of White’s rook leads to a battle in which his bishop-pair
overcomes the numerically superior enemy force. The accurate move 7 Be8 leads
either to a technical win on material or to a neat mate. The numerous black
pawns mar the initial position.
Pallier,Alain, CB 25, 5th Comm, 2011

White to play and draw
The main point of this study is the surprising switchback of the white knight
to a8. It’s rather unfortunate that White’s kingside pawns are only
there to make some sidelines work and play no real part in the main line.
Garcia,Mario Guido, CB 25, 6th Comm, 2011
White to play and draw
A complicated study in which White attempts to reach a positional draw by giving
up his rook for Black’s f-pawn. It’s amazing that White has to play
his rook to h1 in order to draw, but the play is rather difficult and hard to
understand.
Akobia,I, Mikitovics,J, CB 25, 7th Comm, 2011
White to play and win
After some introductory play the play reduces to a tablebase position of B+2P
v B with opposite-coloured bishops. In order to win this White must play with
great accuracy, and while it’s an instructive position, the play is rather
dry and technical.
Solutions
Note that you can select the individual studies in the dropdown menu. Click
on the notation will cause the board to display the position. You can also download
the studies as a PGN file to replay and analyse with Fritz.

Replay and check the LiveBook here |
Please, wait...
1.Kd4 Rd7+ 1...Kb5 2.Re6 Rd7+ 2...Rg4+ 3.Kd3 Rg3+ 4.Ne3 Rg7 5.Nf5 Ra7 6.Nd4+ Kc5 7.Rh6 3.Kc3 Ra7 4.Rb6+ Kc5 5.Rh6 Kb5 6.Nd6+ Kc5 7.Nf5 Kb5 8.Nd4+ Kc5 9.Kd3 2.Nd6 Ka5 2...Rxd6+ 3.Ke5+ Kc5 4.Rc4+ Kxc4 5.Kxd6 3.Kd5 Kxa6 4.Kc6 1–0
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Robinson,Y | - | + | - | 1–0 | 2011 | | CB 25 AT 024 revised - 3rd Comm | |
Gomez,L | - | + | - | 1–0 | 2011 | | CB 25 AT 011 revised - 4th Comm | |
Pallier,A | - | = | - | ½–½ | 2011 | | CB 25 AT 055 - 5th Comm | |
Garcia,M | - | = | - | ½–½ | 2011 | | CB 25 AT 067 - 6th Comm | |
Akobia,I, Mikitovics,J | - | + | - | 1–0 | 2011 | | CB 25 AT 013 - 7th Comm | |
Please, wait...
This completes the provisional award of the ChessBase-25 Study Tourney. Claims
of anticipation or unsoundness should be sent to the tourney director Luc Palmans
(palmans.luc at skynet.be) before July 1st, 2012. This award will then be finalized
at August 1st, 2012.
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If you enjoyed these endgame studies, you may be interested to try
the puzzles in John Nunn's book Endgame
Challenge, which features 250 of the world's greatest endgame
studies.
GM John Nunn is the Chess Director of Gambit Publications, a specialist
chess publishing company, owned and run exclusively by chess masters and
grandmasters. Gambit is committed to producing high-quality, instructive
books suitable for all levels of chess player and currently have over
200 titles in print. Visit the Gambit
website for details of current and forthcoming books.

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Links
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ChessBase 25 Composing Tourney
08.06.2011 – Special occasions in the chess
world are often accompanied by a chess composition tourney. To celebrate
the 25th anniversary of ChessBase, the Israeli study composer IM Yochanan
Afek, together with the Dutch-Flemish Association for Endgame Study, ARVES,
has announced a commemorative tourney. All are invited to test their creative
skills.
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ChessBase 25 Composing Tourney Awards – Part one
30.04.2012 – Special occasions in the chess
world are often celebrated by chess problemists with a composition tourney.
To celebrate the 25th anniversary of ChessBase we staged a commemorative
tourney. A total of 73 eligible entries were received for this tourney,
an excellent response. The tourney judge Dr John Nunn selected 22 prize
winners and commendations. Today
we bring you the top four. |
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ChessBase 25 Composing Tourney Awards – Part two
30.04.2012 – This tourney attracted wide
participation – 73 entries, from which the tourney judge GM John Nunn
selected 22 prize winners and commendations. In a second instalment
of new studies, selected by the tourney judge, Dr Nunn, in his wonderful
explanatory style, presents some dramatic themes, and also looks at
two predecessors to one of the prize
winning entries. |
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ChessBase 25 Composing Tourney Awards – Part three
30.04.2012 – We continue our tour of chess
studies, guided by GM John Nunn, who explains the finer points with great
care. The studies were all submitted as part of a composing tourney to
celebrate the 25th anniversary of ChessBase last June and came from all
over the world. In today's installment we encounter studies from Ukraine,
Germany, Austria, Russia and Holland. |
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ChessBase 25 Composing Tourney Awards – Part four
01.05.2012 – We come to the Honourable Mentions
and the Commendations in the tourney. Four studies by composers from
the USA, Hungary, Norway and Germany. One of the studies was the successful
correction of an earlier attempt which had a "cook" in the second move.
The tourney judge, Dr John Nunn, presents each study and then explains
it in a way that even non-experts can understand. Enjoy. |
Anniversary articles for 25 years of ChessBase
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ChessBase is 25 – everything 25% off in our shop
19.05.2011 – It is difficult to determine the
exact date when ChessBase was born. Was it when a science journalist and
a future World Champion discussed computer databases? Or when a very talented
programmer started to actually write one? We think it was when the two
showed the prototype to the World Champion and decided, at his urging,
to commercialise the product. That
was May 19, 1986. |
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Greetings from Pál Benkö for 25 years of ChessBase
20.05.2011 – "Congratulations to ChessBase
on your 25th
anniversary! Your news page is the the first thing I look at every
day when I go on the Internet. You do such wonderful work. Keep up your
great service for the whole chess world." Heartening words from legendary
great chess player, theorist, author and problem composer – who in addition
sent six anniversary
puzzles for our readers. |
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ChessBase is 25: Birthday greetings from Anand
01.06.2011 – Our company was born on May 19,
1986, twenty-five years ago, and on May 19, 2011 one of our most loyal
friends, World Champion Viswanathan Anand, logged into the Playchess server
and sent us a ten-minute birthday greeting. It was quite moving to be
reminded of the early days by one who was present at the time – and who
has remained a close friend ever since. Must-watch
historical video. |
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Kasparov on 25 Years of ChessBase
08.06.2011 – He was there at the start – actually
before that, when a chess database was just an idea in the minds of a
few enthusiasts. And when he saw the first prototype Garry Kasparov immediately
pushed for its completion. For the 25th anniversary of ChessBase he sent
us a very moving statement, recorded in his study in Moscow, describing
the birth of what he calls the
ChessBase generation. |