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Member since Oct-10-04 · Last seen Oct-26-14
I live in Palm Bay, Florida. Retired Air Force officer. I work at Harris Corporation as a senior systems security engineer on a program called GOES-R for NOAA. I've written a few books and articles on chess miniatures, irregular chess openings, and chess trivia.

Some of my games and short bio here Bill Wall - my old webpage


>> Click here to see wwall's game collections. Full Member

   wwall has kibitzed 889 times to chessgames   [more...]
   Oct-22-14 I Nei vs F Kuijpers, 1966
wwall: 20...Kf8 may be the losing move. Better seems 20...Rd8 to protect the knight on d5 when the dark squared bishop moves. If 20...Rd8 21.e5 Bb8 22.f6 gxf6 23.exf6 Nf5, and Black may be winning. After 20...Kf8 21.e5 Bb8, White can play 22.f6 gxf6 23.exf6 Nf5 24.Bxd5 for the win. 24...Rac8
   Oct-15-14 Kurajica vs Ulf Andersson, 1980
wwall: Instead of 85...Kb3, Black could have tried 85...a3, but that also loses after 86.Rb8+ Ka5 (56...Ka4? 57.Kc4 wins for White) 87.d5 Rg1 88.e4 Ka4 89.d6 a2 90.Ra8+ Kb5 91.Rxa2 Kc6 92.e5, and White wins.
   Oct-14-14 A Ivanov vs W So, 2014 (replies)
wwall: Maybe 52...f4 is not that good and might lose. White can play 53.Nd2 (instead of 53.gxf4?) 53. Nc5 54.gxf4 (instead of 54.g4) 54...Kf5 (54...exf4? 55.Ne4 Nb7 56.Kxf4 should win for White) 55.fxe5 Kxe5 (55...dxe5? 56.Ke3 e4 57.Kd4 should win for White) 56.Ke3 Kf5 57.Nf3 and if 57...Kg4
   Oct-14-14 W So vs Wei Yi, 2013
wwall: 47...Ke8 looks like the losing move. Black should try 47...Re1. If 48.Rb6 or 48.Kd5, then 48...Re7 should hold.
   Oct-10-14 R Dworzynski vs Stein, 1966
wwall: 11.Bxh7 is probably dubious. After 10...Qe7, Black is probably threatening 11...Nb4, so 11.a3 looks OK, or just castle kingside. 15.Bg5? is the losing move as Black plays 15...Bh6! Instead of 15.Bg5, perhaps best is 15.Qa4 a6, then 16.Bg5. Now if 16...Bh6, then 17.Bxh6 Rxh6 18.Rxd8+ ...
   Oct-05-14 A Matanovic vs F Roessel, 1956
wwall: It looks like 20.Bxg7 is the losing move after 20...Rg8. Perhaps best is 20.Re1. After 22.fxe5 Qh3! is strong since 23.g3 (23.Qe2 Bxa4) 23...Rxg3+ 24.hxg3 Qh1 is mate.
   Oct-05-14 Matulovic vs Korchnoi, 1966
wwall: Interesting endgame of Q+R+5Ps vs Q+R+5Ps. Could White have drawn? Instead of 31.Qd3, perhaps 21.Qb3 or 31.Rd3. After 32...Rc8 33.Qe5 fails to 33...Qb3 or 33...Qf3. 36.Re5 may be the losing move. Perhaps 36.Kf2 and if 36...Qa2, then 37.Re2. 36.Rb1 fails to 36...Qa2 and 37...b3. ...
   Oct-04-14 A Bishop vs B Wall, 1986
wwall: The best I can get out of a Keres Attack is 12 moves. Wall - T. Holmes, 2011 1.e4 c5 2.Nf3 d6 3.d4 cd 4.Nxd4 Nf6 5.Nc3 e6 6.g4 a6 7.Bh3 Be7 8.g5 Nfd7 9.Bxe6 Ne5 10.Bxc8 Qxc8 11.Nd5 Qd7 12.Nb6 1-0 I did find a 10-mover J Henson - W. Schulz, Winnipeg 2000 1.e4 c5 2.Nf3 ...
   Oct-04-14 J A Rubinetti vs Uhlmann, 1966
wwall: The game was not played in Margate in 1966. It was played in the 27th Mar del Plata international tournament in Argentina in March, 1966. Looks like the losing move was 24.c4 as Black now traps the White Bishop on f4. Instead of 24.c4, best may be 24.cxd4 cxd4 25.Bg5.
   Oct-03-14 B Wall vs H Hensley, 1976
wwall: After 14...Bxe2?! (14...Nxd4 looks best), instead of 15.Nxc6, better seems 15.Ne6, winning the exchange
(replies) indicates a reply to the comment.

Kibitzer's Corner
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Premium Chessgames Member
  AylerKupp: Sunday, May 15 for a game is fine with me.
Premium Chessgames Member
  wwall: bill_wall at

the dates are ok

Apr-16-11  chessmoron: I see you. You will be at table 1.
Premium Chessgames Member
  kutztown46: 11:45 AM. I am logged in at Advanced Lounge 7.
Apr-16-11  Open Defence: breaking news!! Bill Wall + Open Defence draw against Rybka!! :)
Premium Chessgames Member
  wwall: I think it was Houdini we played, run by Aylerkupp. We had Black. With the help of Hosea, we got a draw (drawn endgame as we sacked our knight to get into a knight vs pawn ending).
Apr-16-11  Open Defence: i thought Wilson said GE and AK switched engines and kutz just posted his stockfish game against houdini, so my guess we drew with rybka.. though i am very confused at the line up change
Apr-16-11  Open Defence: the yahoo game score emailed to me is in a very poor format will wait for AK to post the PGN
Premium Chessgames Member
  kutztown46: Congratulations <Deffi> and <Bill Wall> for your draw against Rybka. My Stockfish gets to play against you next week.
Apr-16-11  chessmoron: April 16-Round 1

Rybka 4 (User: AylerKupp)-Hosea/Schiller/Wall

Houdini (User: Golden Executive)-Stockfish (User: kutztown46)

April 23-Round 2

Rybka 4-Houdini

April 30-Round 3

Stockfish-Rybka 4

May 7-Round 4

Hosea/Schiller/Wall-Rybka 4

May 14-Round 5

Houdini-Rybka 4

May 21-Round 6

Rybka 4-Stockfish

Apr-16-11  Open Defence: we have White next week if you have any specific opening prep in mind do let me know
Apr-18-11  Open Defence: Hi Bill, sent you an email
Premium Chessgames Member
  playground player: <wwall> Thanks for the tip, I'll check it out. And thanks for introducing me to the Orangutan! I've had no end of fun with it.
Apr-23-11  chessmoron: 40 more minutes. (8:20 am PDT as I'm writing) Yahoo Chess! Advanced Lounge 7.
Apr-23-11  Open Defence: im logged in 6 mins to go
Premium Chessgames Member
  wwall: A draw with Stockfish in 34 moves. Will post game later.
Apr-23-11  chessmoron: <wwall> I might have to move Round 5 to May 21st because of <Open Defence>'s Business trip 5/10-5/16 with May 14th as a rest day. If you object, please let me know.
Premium Chessgames Member
  wwall: <chessmoron>. I have no problem on the May date, but now I have a conflict for next week, April 30. I am playing in the Space Coast Open in Cocoa, FL with round 1 at 10 am and Rd 2 at 1 pm. I don't think I can make the 12 noon start time for EST. Can a replacement be found for me or can Hosea and Eric play if Eric makes it?
Apr-23-11  Open Defence: does Sunday 1 May 2011 work for you Bill?
Apr-23-11  chessmoron: <1 May 2011> won't work for <kutztown> though.

Would April 29th work for you <wwall>?

Premium Chessgames Member
  wwall: Friday, April 29 would work for me if it is in the evening EST. On May 1, my rounds are at 9 am and 2:30 pm. I would be ok in the evening.
Apr-23-11  chessmoron: 10:30 pm EDT Friday on April 29th? (That 8 am Saturday in India). If that doesn't work for you, Thursday, the 28th at the same time?
Premium Chessgames Member
  Golden Executive: <chessmoron> <April 30-Round 3

Stockfish-Rybka 4 >
I (Houdini´s operator) have no problem playing at Sunday May 1 or Friday 29. I have problem thursday 28

Premium Chessgames Member
  wwall: 10:30 pm EST works perfectly for me on Friday (Thursday also works)
Apr-23-11  Open Defence: just read the comments to the rybka game at,

I dont think the average chess fan understands how much of a handicap no Opening books and no Tablebases are to an engine

it still takes a lot of work to go the distance against an engine but with opening books and tablebases the engines would gain and exploit advantages in record time

so the guy who posted that rybka must have been handicapped was in a sense right that it was handicapped with no opening book or tablebase but not otherwise in handicapped in any way..

wonder what they will say for the stockfish game especially since it was a tactical shot that got the draw!

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