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Louis F Stumpers
Number of games in database: 54
Years covered: 1932 to 1969
Overall record: +13 -31 =10 (33.3%)*
   * Overall winning percentage = (wins+draws/2) / total games
      Based on games in the database; may be incomplete.

Repertoire Explorer
Most played openings
D94 Grunfeld (3 games)
B59 Sicilian, Boleslavsky Variation, 7.Nb3 (2 games)
C65 Ruy Lopez, Berlin Defense (2 games)
D45 Queen's Gambit Declined Semi-Slav (2 games)
E60 King's Indian Defense (2 games)

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(born Aug-30-1911, died Sep-27-2003, 92 years old) Netherlands

[what is this?]

 page 1 of 3; games 1-25 of 54  PGN Download
Game  ResultMoves Year Event/LocaleOpening
1. L Stumpers vs J Lehr  1-019 1932 EindhovenD18 Queen's Gambit Declined Slav, Dutch
2. Prins vs L Stumpers  1-039 1936 NED-ch prelimB20 Sicilian
3. L Stumpers vs E Spanjaard  1-055 1938 Dutch Ch prelimE02 Catalan, Open, 5.Qa4
4. E Sapira vs L Stumpers 0-125 1938 NBSB - FlandersD94 Grunfeld
5. A Wijnans vs L Stumpers  1-036 1939 NED-chB05 Alekhine's Defense, Modern
6. H van Steenis vs L Stumpers  1-025 1939 NED-ch11B02 Alekhine's Defense
7. J van den Bosch vs L Stumpers  ½-½58 1939 NED-ch11A48 King's Indian
8. L Stumpers vs S Landau 0-141 1939 NED-ch11D33 Queen's Gambit Declined, Tarrasch
9. A J van den Hoek vs L Stumpers  1-027 1941 BondswedstrijdenB10 Caro-Kann
10. T van Scheltinga vs L Stumpers 1-035 1942 NED-ch12D94 Grunfeld
11. G Fontein vs L Stumpers  ½-½26 1946 NED-ch prelim ID94 Grunfeld
12. L Stumpers vs Cortlever  ½-½50 1946 NED-ch prelim IE60 King's Indian Defense
13. L Stumpers vs J H Marwitz  1-040 1946 NED-ch prelim ID31 Queen's Gambit Declined
14. L Stumpers vs Euwe 0-130 1946 NED-ch prelim IE60 King's Indian Defense
15. W Wolthuis vs L Stumpers  ½-½52 1946 NED-ch prelim IC58 Two Knights
16. C B van den Berg vs L Stumpers  1-058 1946 NED-ch prelim ID19 Queen's Gambit Declined Slav, Dutch
17. L Stumpers vs H van Steenis 0-124 1946 NED-ch prelim ID28 Queen's Gambit Accepted, Classical
18. L Stumpers vs Grob 1-060 1947 Int BA55 Old Indian, Main line
19. V Soultanbeieff vs L Stumpers  ½-½46 1947 Int BD96 Grunfeld, Russian Variation
20. Tartakower vs L Stumpers 1-024 1947 Int BD74 Neo-Grunfeld, Nxd5, 7.O-O
21. L Stumpers vs H van Steenis  0-133 1947 Int BD23 Queen's Gambit Accepted
22. L Stumpers vs H Kramer  0-140 1948 NED-ch14B92 Sicilian, Najdorf, Opocensky Variation
23. J G Baay vs L Stumpers  1-040 1948 NED-ch14E37 Nimzo-Indian, Classical
24. Prins vs L Stumpers  ½-½30 1948 NED-chD02 Queen's Pawn Game
25. L Stumpers vs F Henneberke 1-043 1948 NED-ch14C92 Ruy Lopez, Closed
 page 1 of 3; games 1-25 of 54  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Stumpers wins | Stumpers loses  

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Premium Chessgames Member
  zanzibar: <<><><><><><><><><><><><><><><>

186,000 miles per second.

Not just a good idea... it's the law!


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  TheFocus: My girlfriend's nose is shaped like a triangle. The first time I met her I told her she had acute nose.
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  zanzibar: Given all this voting business...

I figured <Stumpers> is the right place for this:

Make your vote count!

Maybe the BBC pinched the idea from here though:

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  TheFocus: How many hard-of-hearing people does it take to screw in a light bulb?


Premium Chessgames Member

Obviously none of the physicists were a boy scout. Had to get a Ph.D. to learn how to tie a knot. Very, very sad.

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  zanzibar: I still don't know how to tie a tie. Does that count?
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  zanzibar: It's a little funny, but I think this 1944 book is the authoritative handbook used by mathematicians to categorize their knots:

<The Ashley Book of Knots is an encyclopedia of knots written and illustrated by the American artist Clifford W. Ashley. First published in 1944, it was the culmination of over 11 years of work. The book contains more than 3800 numbered entries and an estimated 7000 illustrations.[1] The entries include knot instructions, uses, and some histories, categorized by type or function. It remains one of the most important and comprehensive books on knots.>

Ashley was an old New Englander...

<Clifford Warren Ashley (December 18, 1881 – September 18, 1947) was an American artist, author, sailor, and knot expert. He was born in New Bedford, Massachusetts, son of Abiel Davis Ashley and Caroline Morse. >

whose book supposedly took 11 years to write.

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  WannaBe: Too bad none of them physicists heard of that book. Coulda saved them a lot of time.
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  zanzibar: <WannaBe> you're tying me up in knots!
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  TheFocus: I like the book <What Knot?> by Budworth and Hopkins.
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  PinnedPiece: Famous Knot quotes:

Rick is thinking of tying up loose ends and says "Maybe knot today, Maybe knot tomorrow.."

Question: When did he actually tie the knot? And with whom?


(HINT: "Louis, I think this is the beginning of....")



Premium Chessgames Member
  al wazir: <PinnedPiece>: I think that was a dénouement, an *un*knotting. If they had actually tied the knot it would have been considered naughty at the time, though maybe not now.
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  WannaBe: Did y'all read about Google's AlphaGo program that defeated human player?

Premium Chessgames Member
  Sneaky: I did read that. It says it involves a "Monte Carlo simulation" — that's very interesting.

I bet it works kind of like this: The program has a "bad" algorithm which is good enough to give it some reasonable alternatives, but it can't tell which one is really best. So given the choice between a couple of viable moves, play out thousands (millions?) of entire games starting from those positions and keep careful count.

We may find that like chess, Go is not a particularly useful milestone of artificial intelligence.

Premium Chessgames Member
  alexmagnus: <We may find that like chess, Go is not a particularly useful milestone of artificial intelligence.>

Way may one day find that there is no such thing as intelligence. A computer with a "dumb" agorithm will be able to perform anything a human ever could with what he used to call intelligence. Actually, I think we humans are not that different from dumb machines than we like to think - most of "intelligence" is nothing but pattern recognition, in each field.

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  alexmagnus: By the way, it's not "just" Monte Carlo. It also mentions reinforcement learning.
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  alexmagnus: See also
Premium Chessgames Member
  Tiggler: <alexmagnus> Artificial intelligence is the wrong model for machine learning. They don't need to copy intelligence, just make it obsolete.
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  Tiggler: <TheFocus: I like the book <What Knot?> by Budworth and Hopkins.>

I like Ronnie Laing's Knots:

Anyone familiar with those?

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  TheFocus: People who confuse the metaphorical and the factual make my head literally explode.
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  TheFocus: What if I never learn to use rhetorical questions?
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  TheFocus: How did it ever cross the scarecrow's mind that he didn't have a brain?
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  TheFocus: How come Mario can smash through bricks, yet he dies when he touches a turtle?
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  TheFocus: It wasn't a bad idea to do trigonometry in the sun. I got a tan.
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  TheFocus: Men have a basic understanding of complex ideas.

Women have a complex understanding of basic ideas.

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