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Member since May-28-11 · Last seen Feb-21-17
Just a former chess player.

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   jnpope has kibitzed 601 times to chessgames   [more...]
   Feb-20-17 Biographer Bistro (replies)
jnpope: <zanzibar: <Am I mistaken? Why don't I know more about them?>> Very little was written about the French world champions in France at the time, even the exploits of Philidor. The bulk of what we know about Philidor and La Bourdonnais was because they travelled to England. ...
   Feb-16-17 jnpope chessforum
jnpope: I have updated the ACB entries on the CA library page. Thanks for info <Z>.
   Jan-23-17 Zukertort vs Steinitz, 1886
jnpope: <ephesians: <Tough ending, hard to evaluate. Maybe Steinitz should have drawn this anyway.>> Lomonosov 7-piece tablebase indicates the position after 68.Rxh4 is a draw. Steinitz's 68...Nf5 is a blunder that allows White to mate in 58(!). Although I really can't fault ...
   Jan-12-17 Morphy vs J McConnell, 1849
jnpope: This may sound heretical, but I don't think this is actually a Paul Morphy game. I know it is one of the games Lawson "found" and published in the BCM after he published his seminal work on Morphy (according to my Shibut addendum). First some background that brought me to this ...
   Jan-06-17 chessforum (replies)
jnpope: <<> Testing: search "Kieseritzky" search "Kieseritsky" search "Keiseritszki" It works now no matter how horribly you chop up his name. (If you were actually looking for R K Kieseritsky you'd be forced to use Advanced Search.)> Interesting ...
   Dec-30-16 Anderssen - Kolisch (1861) (replies)
jnpope: An updated version of my Anderssen-Kolisch match article is now available (see "Further reading" link above). The latest research solidifies the dating of all the games, a longer version of game 8, the addition of annotations from <Bell's Life in London>, as well as a ...
   Dec-28-16 jessicafischerqueen chessforum (replies)
jnpope: A quick update: <<wwall:> I'll check my sources again, but so far you are right, no 1862 brilliancy prize. I had to originally see it somewhere and that source had to be wrong.> I'll let you know what source he comes up with if you are interested. I'd say at this point ...
   Dec-28-16 wwall chessforum (replies)
jnpope: <<wwall:> I'll check my sources again, but so far you are right, no 1862 brilliancy prize. I had to originally see it somewhere and that source had to be wrong.> Great. Thanks for looking into this.
   Dec-18-16 K A Walbrodt vs E Delmar, 1893
jnpope: That is an excellent example I hadn't considered. A CFEN tag to "alter the position" that gets seamlessly used within the body of the gamescore does appear to be the more flexible solution as it allows for a greater number of scenarios.
   Dec-17-16 Robert James Fischer (replies)
jnpope: In regard to pitting players from different eras against each other: jnpope chessforum This is something I've been working on for a few years (mostly out of my own curiosity).
(replies) indicates a reply to the comment.

Chess Archaeology

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 5 OF 5 ·  Later Kibitzing>
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  zanzibar: And a quick note to you <jn>, I've found the new <Field> sources very helpful for <Baden-Baden (1870)>.

Many thanks.

Premium Chessgames Member
  zanzibar: <jn> I have various newspaper clips relating to <1st American Chess Congress (1857)>, including some NY Daily Tribunes missing from O'Keefe.

I'd like to somehow convey them over.


Premium Chessgames Member
  zanzibar: Also, is there a way to indicate missing sections for the reference works in your great index page?

Emanuel Lasker (kibitz #2094)

<ACB v7 (1910)> seems to lack about 10-20 pages (? some number, specifically p140).

A simple asterisk next to the link, with a footnote, would at least serve as a heads up.

Premium Chessgames Member
  jnpope: I'm definitely interested in the missing NY Daily Tribune coverage (not to mention any other coverage). I'll take whatever you have to offer.

As for marking incomplete issues in the CA library... sounds good. I'll add something to denote that issue as being incomplete. I haven't had a chance to check every item for completeness, so if you notice any other issues with missing pages just let me know.

Premium Chessgames Member
  zanzibar: <JN> Sorry, I missed your response out of neglect by not checking back.

Do you have an email or file-upload location? I could email them directly to you.

(If you wish, you can send me your email via a comment on my blog - since I moderate all comments, I'll delete the comment without publishing it.

Or would you prefer that I copy the scans to google drive and post links here? (Lots of ways to skin a cat...)

I'd like to set up a system where I can just send them off to you as I find 'em during research.

OK, let me know, and thanks.

Premium Chessgames Member
  jnpope: You should be able to send me an email to npope at my site.
Premium Chessgames Member
  zanzibar: Thanks, I'll try to go through my notes and see at least a couple of articles over tomorrow.
Premium Chessgames Member
  zanzibar: <jn> just sent two clippings for a start. Thanks.
Premium Chessgames Member
  jnpope: Thanks! It worked. I grabbed a larger set of images from the Library of Congress, but please keep sending along anything you find.
Premium Chessgames Member
  zanzibar: We're good to go then. Super.

Don't expect to sent too many updates, but it's nice to know the channel is open. Thanks again.

Premium Chessgames Member
  offramp: Could you answer a question at Alexandre Louis Honore Lebreton Deschapelles ?
Premium Chessgames Member
  Tabanus: <jnpope> Perhaps wrong of me to reveal the CG name of Thomas Niessen, but on the other hand, he did not make any ref. to the Popert page!

I'm no longer an editor. I deleted a bio made by another person (to enhance my point on off-topic posting on player pages), and replaced it with "Louis Stompers, American liberal jerk". The "house trolls" (and I'm not using the ignore list) now showed their touching concern for player bios, that I was a liability, etc. And CG did not take my point. Or pretended not to. So I asked them to remove me as an editor. Unfortunately there are no other sites that I know of having player pages with bio sections.

Premium Chessgames Member
  jnpope: I've been having difficulty reconstructing the following corrupt gamescores... I figured I would throw them out here to see if anyone would like to take a swing at solving them:

Premium Chessgames Member
  zanzibar: < I've been having difficulty reconstructing the following corrupt gamescores...>

No kidding!

Tidbit A:

Black's move 3, and White's 15 suggest difficulties ahead.

Black's 34 is the end of the line, but 34. Q to B3 is a good last ditch effort.

That gets one to move 36 and the end of any claim to a possible factual reconstruction.

As for the fiction which follows no real comment can suffice - but reality has never hindered my efforts before (cf. various Bistro suggestion of late)...


1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Bf5 5.Nf3 Bg4 6.h3 Bh5 7.g4 Bg6 8. Ne5 e6 9.Bg2 c6 10.Bf4 Nf6 11.Qd2 Bb4 12.Nc4 Qd8 13.O-O-O Na6 14.a3 Be7 15.Rde1 Nd5 16.Nxd5 cxd5 17.Ne5 O-O 18.Bf1 Rc8 19.Nxg6 hxg6 20. Bxa6 bxa6 21.Re3 Bf6 22.Rc3 Qe7 23.Re1 Qb7 24.Ree3 Qb6 25.Red3 Rxc3 26.Qxc3 g5 27.Be3 Qd6 28.Qd2 Qe7 29.h4 g6 30.hxg5 Bg7 31.Bf4 f6 32. gxf6 Qxf6 33.Be3 Qf3 34.Qd1 Qf6 35.f4 Re8 36.Rd2 Qd8 37.Rh2 Qd6 38. Qd3 Qe7 39.Qxa6 Rb8 40.Qd3 Qb7 41.b3 Qe7 42.a4 Kf7 43.Rh3 Rh8 44.Rxh8 Bxh8 45.f5 gxf5 46.gxf5 e5 47.dxe5 Bxe5 48.Kd2 d4 49.Bf2 Bf4+ 50.Kd1 Be3 51.Bxe3 Qxe3 52.Qxe3 dxe3 53.Ke2 1-0


Premium Chessgames Member
  zanzibar: This is rather hopeless - but having foisted it upon us, you deserve the harvest...

Tidbit B:


1.e4 e5 2.f4 d6 3.Nf3 Nf6 4.Nc3 Bd7 5.fxe5 dxe5 6.Nxe5 Be6 7.d4 c6 8.Bc4 Bxc4 9.Nxc4 b5 10.Ne5 b4 11.Nb1 Nxe4 12.O-O Nf6 13.Qd3 Be7 14.Nd2 O-O 15.h3 Nd5 16.Ndc4 Bf6 17.Qg3 h6 18.Bd2 a5 19.Rae1 Ra7 20.Re4 Kh7 21.Rg4 Rg8 22.Re4 Re8 23.Rg4 h5 24.Re4 g6 25.Ne3 Qb6 26.Kh1 Nxe3 27.Bxe3 c5 28.Qf4 Ra6 29.Qh6+ Kg8 1-0


I did manage to construct a nice tactical position after 25...Qb6

Bang (kibitz #183)

Premium Chessgames Member
  jnpope: Argg... there was a "B2" section to B game I forgot to give a link for...

Ok, I just combined B and B2 and uploaded a "complete" B game. This is the main thing that makes this game hard to decipher as printed.

Premium Chessgames Member
  zanzibar: Are you going to post the "complete" B game?

And reveal the sources of the clips?

(I notice the wily hiding of player names.)

If it was me I would include such games with special care - including comments about the difficulties of transcribing, and also giving source reference(s).

I would even be inclined to include the raw transcription of the descriptive notation, as a comment, at the point where the game goes off the rails.

Premium Chessgames Member
  jnpope: B is posted as complete (hit refresh in your browser if you are still seeing the old image). You can also "hack" the URL and add a "2" to B.jpg (to become B2.jpg) to see the last couple of moves).

Sources and names are currently being withheld as it is part of ongoing research.

<If it was me I would include such games with special care - including comments about the difficulties of transcribing, and also giving source reference(s).

I would even be inclined to include the raw transcription of the descriptive notation, as a comment, at the point where the game goes off the rails.>

Are you looking at my manuscript? (checking my room for hidden cameras now). That's exactly how I approached it. However, if at all possible, I'd like to present a "solved" version of the games.

Premium Chessgames Member
  jnpope: <Zanzibar>: Your reconstruction to the A-game is similar to my own, the key differences are:

I went with 15.Rhe1 (14-ply analysis from Rybka suggests the sequence between White's 15th and 23rd moves are marginally stronger if 15.Rhe1; also, it keeps the rooks "linked" after 18.Bf1), but admittedly this could go either way.

The next difference is you have 37.Rh2 Qd6 38.Qd3 and I went with 37.Qf1 Qd6 38.Rh2. While your sequence makes use of "Q to Q3" for White, I felt that it was just a typesetter's duplication error of Black's move, otherwise the g6-pawn is left hanging when Black plays 38...Qe7.

Then we are identical until the last few moves... you have 49...Bf4+ 50.Kd1 Be3 51.Bxe3 Qxe3 52.Qxe3 dxe3 53.Ke2 (which is appealing even if it adds a move pair), whereas I went with 49...Qb4+ 50.Ke2 Bf6 51.Qc4+ Qxc4 52.bxc4.

Premium Chessgames Member
  jnpope: Expanding upon my crazy idea posted elsewhere...

Keep the World Championship match at a twelve "point" maximum (so we can keep the same schedule for the sponsors, etc.).

The purse is split into two parts, 40% for the players as a base, and the remaining 60% is broken up into twelve 5% chunks for the winner of each "point".

Players start the day with the classical game, if that ends in a tie, they reverse colors and play a best of three action-like mini-match (30 minutes each side+30 sec/move). If that match ends in a tie, colors are reversed again and now they play a five game rapid mini-match (15 minutes each side + 15 sec/move), if that ends in a tie they reverse colors and go to a seven game speed mini-match (10 minutes+10 sec/move each), and if that is somehow a tie, reverse colors again and play a 9 game blitz match (5 minutes+5 sec/move). If at any point one competitor wins one of these mini-matches they score that days' "point". If after all these mini-matches they are still tied then they split the "point" and purse for the day.

Of course there would be some appropriate breaks between mini-matches to eat, rest, recover, etc., just so long as the "point" is resolved in the same day. And as always, if the 12-"point" match ends in a 6-6 tie the champion retains the title.

If the match is "over" early on (in regards to the title), the players still have an incentive to keep fighting for each days' portion of the purse.

Premium Chessgames Member
  jnpope: 2016 Markov tournament results (10 passes, 1000 games against each opponent per pass):

Avg Score/Player
22633.7 Carlsen (2014 Wch)
18913.9 Anand (2014 Wch)
18795.1 Morphy (1857 1st American Congress)
17532.0 Zukertort (1883 London)
17114.2 Pillsbury (1895 Hastings)
16732.8 Kolisch (1867 Paris)
16712.3 Morphy (1858 v Harrwitz)
15328.2 Morphy (1858 v Anderssen)
14008.2 Morphy (1858 v Lowenthal)
12160.5 Steinitz (1883 London)*
11898.3 Staunton (1843 v St. Amant)
9571.6 Steinitz (1866 v Anderssen)
9563.7 Anderssen (1851 London)
9332.9 Harrwitz (1858 v Morphy)
8920.9 Lowenthal (1858 v Morphy)
8335.0 McDonnell (1834 v Bourdonnais 6th)
8168.7 Bourdonnais (1834 v McDonnell 5th)
8012.5 Anderssen (1866 v Steinitz)
7487.6 St. Amant (1843 v Staunton)
7079.5 Anderssen (1858 v Morphy)
6077.2 Philidor (1788 v various)
4033.5 Deschapelles (1821 v various)
3930.8 Bourdonnais (1834 v McDonnell 6th)
3657.5 McDonnell (1834 v Bourdonnais 5th)

* incomplete, 23 of 32 games used (so far)
incomplete, 6 of 16 games from Mar/Apr 1788
small sample, only 6 known games

More on how this was done can be found here:
jnpope chessforum

At some point I will publish the entire project (code and methodology), probably after I add in more World Championships. I'm currently creating matrices for 1972 Spassky and Fischer (I'm only up to game 11). I will re-run this again once I have Steinitz 1883 and Spassky-Fischer added to the mix.

Premium Chessgames Member
  jnpope: From the Fischer forum:
<<saffuna:> And that's why, if computer program's are analyzing the relative strength of great players in different eras, that moves made after a player has a decisive advantage should not be considered.>

I was going to post a response there, but decided to do it here to shed some light over my methodology.

In some historic cases (and perhaps modern cases) there are situations where a player actually blows a decisive advantage, perhaps due to time pressure, etc., so I found that I really did't want to ignore moves. I went down the path of truncating games after a certain eval, but found I wasn't getting results that represented the actual match/tournament results for historic games.

Once I had figured out that what I really wanted was to determine the strength of a player based on his ability to obtain and maintain a winning advantage, and not the accuracy of their play, it was fairly easy to create cap-values for winning and losing.

What I ended up with in my methodology was to just "cap" evals over +3 at +3 (and under -15 to -15, this was so I could make use of games played at odds for Philidor and Deschapelles). So if a player has a +8 eval and it drops to +5 it doesn't count against the player as he is still maintaining a winning advantage, however, if he drops below +3 then it gets factored back into things as a possible "error". I run a two-factor test to determine "errors" by comparing move made against prior move/eval and against best move/eval which helps compensate for horizon effect due to ply-depth, before getting added to the Markov matrix.

Premium Chessgames Member
  zanzibar: Hi, <jnpope>...

Let's try dropping the suggestion here to start -

I believe there's a problem with the <American Chess Bulletin (ACB) (1914) v11> linked at <chess archeology>:

It's the version from Princeton, but much, if not all, seems corrupt to me.

Luckily, Haithi also has the Harvard version of the issue, which seems OK.

If you could be so kind as to doublecheck me on this, and perhaps update your links, I would be obliged.

OK, thanks.

Premium Chessgames Member
  zanzibar: Quick followup:

Compare doing a search on <Jasnogrodsky> for the two different versions.


Premium Chessgames Member
  jnpope: I have updated the ACB entries on the CA library page. Thanks for info <Z>.
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