Tuesday, February 05, 2019

Bookbuilder program/download link

Apparently at the shareit.com site the download link
for my chess opening program Bookbuilder disappeared

Here it is:
Bookbuilder demo link (one week trial)

below a screenshot of the Bookbuilder program (4.3)
ideal tool for building several opening repertoires, eg. for
standard (solid/positional) and/or blitz (eg. with gambits!


Wednesday, January 16, 2019


New layout again (January 2019)

some other news: (old) site www.bookbuilder.nl discontinued
(looking for other server).

Meanwhile my program Bookbuilder about chess openings
can still be registered at:
Bookbuilder info 

Download link coming in next post !

Meanwhile found some updates in my French repertoire
(for Black), English (for White), and (Semi)Slav (for White).
To be posted later on this blog...

Also planning an update (soon) for my book
about chess openings (find at):
Learning the chess openings (book at Amazon)

Saturday, March 04, 2017

Some news: changed layout of this blog,  more modern look;
achieved a C(orrespondence)C(hess)M(aster) norm on ICCF:

Thursday, January 05, 2017

new results with updated (Shredder) engine

Now that Deep Shredder 13 came out, somewhere mid/end 2016,
my computer results on the Free Internet Chess Server
(FICS, www.freechess.org) improved again (with an engine, i'm
only allowed to use Shredder on Fics, not Komodo or Stockfish).

With still some other engines ranking higher, i came into to the
top 5 rankings on Fics for blitz, standard, *and* bullet. My opening
book -still used ony with the CP interface) now is about 32 Mb; my
favorite first move for the computer now again is 1.d4, but
sometimes i also play 1.Nf3 (often similar),
1.c4 (sometimes similar), or 1.e4.

Below the nr 4 place recently achieved on FICS:

NB not only is DS13 a much stronger engine, now also the syzygy
endgame bases can be used with the engine (had to adjust some time
settings, due to some time forfeits, maybe because i don't have
an SSD disc yet for these syzygy bases..).

Below the notes for account kec(C) on Fics:

Tuesday, May 17, 2016

A super-GM repertoire

From my research the English opening (1.c4!) seems a good
first move in top level chess. Although the fundamental differences
between various opening moves are small (*), and a good GM
obviously also tries to look at what the opponent usually plays,
or knows (repertoire). Yet fundamentally, it also matters to know
how theory  develops, for example:

1.c4 e5 (1...c6 leads to Slav2. Nc3 Nf6 3. g3! Bb4! (3...Bc5
4.Nf3! e4 5.Nd4 0-0 6.Bg2 Bxc3 7.dxc3 d6 8.0-0 Re8 9.Nc2
and White maintains a slight advantage.

Otherwise, after 1. c4  Nf6  2. d4 e6 (2...g6 leads to Gruenfeld
or Kings-Indian) 3. Nc3    (g3 also is possible) Bb4!  4. Qc2!  0-0 
(5. e4!?   d5   6. e5   Ne4  7. Bd3  c5 8. Nf3  cxd4  9. Nxd4 Nd7
10. Bf4   Ndc5 11. 0-0  Nxd3=) 5.Nf3! d5 (c5 6.dxc5 Na6 7.g3!
Nxc5 8,Bg2 b6 [...Nce4 9. 0-0 Nxc3 10. bxc3  Be7 11. e4  d6
12. e5  dxe5 13. Nxe5 Qc7 14. Qe2  Bd6 15. Re1 Bd7 16.Bg5!N]
9.0-0 Bxc3  10.Qxc3 Bb7 11.Rd1!  Qe7 12.Qa3! +/=) 6.a3 Bxc3
7.Qxc3 dxc4  
8.Qxc4 b6  9.Bg5  Ba6  10.Qa4  h6 11.Bh4 c5
12.dxc5 bxc5 13.Rc1
And so on; and yes, this is a Nimzo-Indian :)

Alternatively, 1. c4 c5?! (Symmetrical English) 2. Nc3 Nc6  3. Nf3 
g6  4. e3  Nf6  5. d4   cxd4  6. exd4  d5  7. cxd5  Nxd5  8. Qb3
Nxc3  9. Bc4   Nd5  10. Bxd5  e6  11. Bxc6+  5  bxc6  12. O-O
Qd5  13. Be3 +/=

(*) in the end Black can always equalize but it is not always easy

PS fundamentally the moves 1.d4 and 1.Nf3 are just as good, after
1.d4  Black can also opt for the Slav defense; after a few moves
White as (super-) GM probably can best  choose the 'Anti-Moscow'
gambit, where there still is some more  theory to be found. And after
1.d4 Nf6 2.c4 e6 3.Nc3 we get the Nimzo-Indian again after 3...Bb4
(then 4.Qc2! is advised).
After 1.Nf3 (Reti) Black has several choices besides letting White
transpose to Slav, an interesting possibility now is to go for the
Queens-Indian, after 1..e6! 2.d4 Nf6 3.c4 b6 and if you know the
latest intricacies of  this defense, it still can be a very solid defense.

Friday, August 21, 2015

small update (for the chess book)

a few corrections;

Having looked at some transpositions in some more detail, i
will re-arrange some chapters in mybook in the positional
repertoire; after 1.d4 Nf6 2.c4 c6!? 3. Bf4,  Black may still
have some problems after all, although i had analyzed such stuff.
So after 1.d4 Black can probably better play d5! going for the Slav
(2. c4 c6! but then Black can also throw in a dubious  Albin gambit
2...e5 no big deal. And 2.Nf3 still is possible, but then after 2...Nf6
3.c4 c6! Black is going for the solid Slav defense again

Secondly there's another possible improvement, in the Moscow
line, After Bxf6 Qxf6  instead of the neutral 8.e3 because
of the strong defense systems with ...g6!, White might  better
go for the Hastings variation with 7,Qb3!?, although
also then Black can equalize, for example:

1. d4 d5  2. Nf3   Nf6  3. c4  c6  4. Nc3 e6  5. Bg5  h6  6. Bxf6  Qxf6  7. Qb3  a5   8. e3  a4!  9. Qc2   a3  10. b3  Bb4  11. Bd3  Nd7  12. O-O   O-O  13. Rac1  Qe7  14. Ne2   Ra5  15. Ng3 =

so stay tuned,
until the next update


Bookbuilder program/download link

Apparently at the shareit.com site the download link for my chess opening program Bookbuilder disappeared Here it is: Bookbuilder demo ...