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

[what is this?]

Dr. Frans Louis Henri Marie Stumpers


 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. E Sapira vs L Stumpers 0-125 1938 NBSB - FlandersD94 Grunfeld
4. L Stumpers vs E Spanjaard  1-055 1938 Dutch Ch prelimE02 Catalan, Open, 5.Qa4
5. L Stumpers vs S Landau 0-141 1939 NED-ch11D33 Queen's Gambit Declined, Tarrasch
6. A Wijnans vs L Stumpers  1-036 1939 NED-chB05 Alekhine's Defense, Modern
7. H van Steenis vs L Stumpers  1-025 1939 NED-ch11B02 Alekhine's Defense
8. J van den Bosch vs L Stumpers  ½-½58 1939 NED-ch11A48 King's Indian
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. L Stumpers vs H van Steenis 0-124 1946 NED-ch prelim ID28 Queen's Gambit Accepted, Classical
12. G Fontein vs L Stumpers  ½-½26 1946 NED-ch prelim ID94 Grunfeld
13. L Stumpers vs Cortlever  ½-½50 1946 NED-ch prelim IE60 King's Indian Defense
14. L Stumpers vs J H Marwitz  1-040 1946 NED-ch prelim ID31 Queen's Gambit Declined
15. L Stumpers vs Euwe 0-130 1946 NED-ch prelim IE60 King's Indian Defense
16. W Wolthuis vs L Stumpers  ½-½52 1946 NED-ch prelim IC58 Two Knights
17. C B van den Berg vs L Stumpers  1-058 1946 NED-ch prelim ID19 Queen's Gambit Declined Slav, Dutch
18. L Stumpers vs H van Steenis  0-133 1947 Int BD23 Queen's Gambit Accepted
19. L Stumpers vs Grob 1-060 1947 Int BA55 Old Indian, Main line
20. V Soultanbeieff vs L Stumpers  ½-½46 1947 Int BD96 Grunfeld, Russian Variation
21. Tartakower vs L Stumpers 1-024 1947 Int BD74 Neo-Grunfeld, 6.cd Nxd5, 7.O-O
22. L Stumpers vs A Vinken  0-133 1948 NED-ch14E21 Nimzo-Indian, Three Knights
23. L Stumpers vs C Vlagsma  0-145 1948 NED-ch14C65 Ruy Lopez, Berlin Defense
24. L Stumpers vs T van Scheltinga  1-047 1948 NED-ch14C97 Ruy Lopez, Closed, Chigorin
25. L Stumpers vs H Kramer  0-140 1948 NED-ch14B92 Sicilian, Najdorf, Opocensky Variation
 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  

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 281 OF 281 ·  Later Kibitzing>
Mar-26-16
Premium Chessgames Member
  alexmagnus: <If this sentence is true then everything you can think of is true>.
Apr-04-16
Premium Chessgames Member
  WannaBe: Some people really have "Too Much Time" on their hands... Or on top of desks. =))

http://news.yahoo.com/strangely-syn...

Apr-13-16
Premium Chessgames Member
  al wazir: White to play and mate in 2.


click for larger view

Apr-13-16
Premium Chessgames Member
  WannaBe: How does black respond to 1. Ne7
Apr-13-16
Premium Chessgames Member
  WannaBe: Or is black pawns ready to be promoted? Hard to tell if you have the board flipped or not flipped.
Apr-14-16
Premium Chessgames Member
  al wazir: That's just version 1.0. I think it can be improved. For one thing, there is nothing that requires the white ♔ and ♗ to be exactly where they are. This position has the same solution:


click for larger view

Apr-14-16  bachiller: Nice problem, <al wazir>.

After white's first move, black has essentially three options, that result in three different mates. Black is condemned, but he is allowed to choose the music for his funeral.

Apr-14-16
Premium Chessgames Member
  WannaBe: Major mystery solved (?!)

https://www.yahoo.com/news/mystery-...

Apr-14-16
Premium Chessgames Member
  Gilmoy: 1.Nd1

1..N(d3,e2) 2.N1xc3++# I remember this theme :)

1..cxd1=(Q+,R+,N) 2.Nd2++#

1..cxd1=N 2.Nxc3++#

1..Qa3 2.Nxc3#

The Re1 version (attacked by Nd3 but not by Ne2) is just the conjugate of the original Rg1 version (vice versa). I think I prefer the Rg1 version, as it discourages Black from offering to "throw" a piece away with Ne2. (But if you consider Ne2 to be a possible confound, then you'd prefer the Re1 version.)

Apr-15-16
Premium Chessgames Member
  al wazir: Forget version 1.0. It's cooked: 1. Nc4 1...Qa3 (black's only move) 2. Nxc3#.
Apr-15-16
Premium Chessgames Member
  al wazir: Here is version 2.0:


click for larger view

Nice and compact.

Apr-24-16
Premium Chessgames Member
  al wazir: Verson 3.0:


click for larger view

After the key move black now has a fourth way to die.

Apr-24-16
Premium Chessgames Member
  al wazir: Bin version 3.0. After 1. Nd1 Ba1 2. Rxc2+ dxc2, black is not dead.
Apr-24-16
Premium Chessgames Member
  Tiggler: <al wazir> how about doing the beta testing some other way before you post another version?
Apr-25-16
Premium Chessgames Member
  al wazir: <Tiggler: how about doing the beta testing some other way before you post another version?> I thought I *had* tested it. By the time I realized my mistake it was too late to delete it.

I'm acutely embarrassed at having done this twice now and having to own up to it, but would be even more embarrassing to have someone else point it out first.

Apr-25-16
Premium Chessgames Member
  Tiggler: <al wazir> OK - being acutely embarrassed is something we all can relate to. No harm done.
Apr-25-16
Premium Chessgames Member
  OhioChessFan: What are the next two numbers in this series?

10, 11, 12, 13, 14, 15, 16, 17, 21, 23, 30, 33

Apr-25-16
Premium Chessgames Member
  diceman: <OhioChessFan: What are the next two numbers in this series?

10, 11, 12, 13, 14, 15, 16, 17, 21, 23, 30, 33>

120, 1111

Apr-25-16
Premium Chessgames Member
  al wazir: <OhioChessfan>: With a little routine effort I can fit an algebraic formula to those numbers. Since there are 12 of them, the formula has to have at least 12 free parameters:

f(x) = A + Bx + Cx^2 + ... + Lx^11,

where the parameters A, B, C, ..., L are determined by setting f(1) = 10, f(2) = 11, ..., f(12) = 33, and solving the resulting set of simultaneous linear equations. Then the "next two numbers" are found by substituting x = 13 and x= 14 in the formula.

But by incorporating two additional parameters (i.e., by defining g(x) = f(x) + Mx^12 + Nx^13), I can require g(1) = 10, g(2) = 11, ..., g(12) = 33, g(13) = m, g(14) = n, where *m and n are any two numbers whatever*.

I choose m = 0 and n = 2016. That's my answer.

Apr-25-16
Premium Chessgames Member
  OhioChessFan: A prize for <dice> The series presented is the number 15, in base 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, and 4. The answers are 15 in base 3 and 2.
Apr-26-16
Premium Chessgames Member
  WannaBe: Well, I'm glad we solved this question:

http://www.businessinsider.com/ever...

Apr-27-16
Premium Chessgames Member
  diceman: <WannaBe: Well, I'm glad we solved this question:>

On to: What if everybody puked at the same time?

Apr-27-16
Premium Chessgames Member
  suenteus po 147: <diceman: On to: What if everybody puked at the same time?> https://www.youtube.com/watch?v=_SK...
Apr-27-16  zanzibar: <suenteus po 147> so that's how it's pronounced!

Ever do a rocket-jump in <Quake II>?

I could have sworn Peter invented the technique in that clip.

Oh, and thanks alot for sharing that.

Apr-28-16
Premium Chessgames Member
  diceman: <suenteus po 147: <diceman: On to: What if everybody puked at the same time?> https://www.youtube.com/watch?v=_SK...

Heh, heh!

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