Monday, February 20, 2012

Basic White Chess Repertoire with 1.e4 and KEBU

It's Main Line Monday. My plan is to present variations for openings training. Last week we looked at the most commonly played 100 Basic Opening Positions. That has interest, but what is really helpful is to have a repertoire. A chess opening repertoire is the set of moves at the beginning of the game that you prepare in advance. It makes sense to be ready for the most common moves your opponents are likely to play.

Some of the training software I have used over the past 20 years includes ChessBase, NIC, Bookup / Chess Openings Wizard and Chessimo. These are excellent.

I found KEBU Chess. I saw it as an ad on my blog and clicked on it. I tried it a little and decided to buy the program. It seemed good at the time, but I have since had it removed from my computer.

KEBU Chess had two separate programs:

1. Chess Puzzles 2009. This has 1000 tactical training positions from master games played in 2008 and 2009 divided into Beginner, Intermediate, Advanced. The "Beginner" tactics are short 2-3 move combinations where masters lost material or got mated.

2. Chess Opening Memorizer 2010. This has places for you to add PGN opening files for training with either color. KEBU has you repeat each line until you play it perfectly two times. At 1-2 seconds per move, it took me 4-5 minutes to finish the lines below twice.

We start with main lines for White after 1.e4, what Bobby Fischer famously called, "Best by test." This week I focus on the top 100 moves for White, which means about 200 positions since Black has moved too. For this basic level, I have not gone beyond 9 moves in any line.

Most of the lines below are historically the most popular, except I went with the more recent trendy Be3 lines in the Sicilian Defence, Pirc Defence and Modern Defence. For the Najdorf Sicilian, since 2000, 6.Be3 is the most popular. In the Modern Defence, 4.Be3 is the most popular. For those who cut/paste, I have presented these lines in PGN format.

[Event "Repertoire 1.e4"]
[Site "?"]
[Date "2012.02.19"]
[Round "?"]
[White "1.e4 White 100"]
[Black "Main Lines"]
[Result "*"]
[ECO "B90"]
[Annotator "Sawyer,Timothy E"]
[PlyCount "17"]
[EventDate "2012.02.05"]
[SourceDate "2012.01.29"]

1. e4 c5 (1... e5 2. Nf3 Nc6 (2... Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3
Nc6 7. O-O Be7 8. c4 Nb4 9. Be2) 3. Bb5 a6 (3... Nf6 4. O-O Nxe4 5. d4 Nd6 6.
Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3) 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7.
Bb3 d6 8. c3 O-O 9. h3) (1... e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6.
bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7) (1... c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4
Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3) (1... d5 2. exd5 Qxd5 3.
Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Bc4) (1... Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5.
Be2 e6 6. O-O Be7 7. c4 Nb6 8. Nc3 O-O 9. Be3) (1... d6 2. d4 Nf6 3. Nc3 g6 4.
Be3 Bg7 5. f3) (1... g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3) 2. Nf3 d6 (2...
Nc6 3. d4 cxd4 4. Nxd4 Nf6 (4... g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 d6 8. Qd2) (
4... e5 5. Nb5 d6 6. N1c3 Nf6 7. Bg5 a6 8. Na3) 5. Nc3 e5 (5... e6 6. Ndb5 d6 (
6... Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5) 7. Bf4 e5 8. Bg5) 6. Ndb5 d6 7. Bg5 a6
8. Na3) (2... e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nc6 7. Qd2 Nf6 8.
O-O-O Bb4 9. f3) 3. d4 cxd4 (3... Nf6 4. Nc3 cxd4 5. Nxd4) 4. Nxd4 Nf6 5. Nc3
a6 (5... Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 (8... h6 9. Be3) 9. f3) (5... g6
6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O) 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2

You may also like: King Pawn (1.e4 e5) and Sicilian (1.e4 c5)
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Thursday, February 16, 2012

Tom Purser Draws World Champ Euwe BDG

When looking for some good Tom Purser games in the Blackmar-Diemer Gambit, I came across one from over 30 years ago. Purser was playing in a simultaneous exhibition against the former World Champion and FIDE President Max Euwe in Ramstein, Germany.

At the site we find commentary on this game from whiteshark:
"Dr. Euwe played 20 board simul at Ramstein Air Base rec center on 16 Feb 1978; he won 18, lost one, drew this one. He allowed all opponents choice of color."

Tom V. Purser went on to publish "BDG World" magazine for 15 years starting about 1983. Around 1984 this magazine caught MY attention. I am forever grateful for Tom Purser. For those interested in more from him, Tom Purser's blog is a great read. This opening is a BDG Ryder.

Purser,Tom V - Euwe,Max simul Ramstein, Germany 1978 begins 1.d4 Nf6 2.f3 d5 3.e4 dxe4 4.Nc3 Blackmar-Diemer Gambit by transposition 4...exf3 5.Qxf3 Ryder Variation 5...Qxd4 6.Be3 Qg4 7.Qf2 a6 [The normal continuation is 7...e5! 8.a3 Bd6 9.Nf3 Nc6=/+] 8.h3 Qb4 9.0-0-0 e6 [9...Nc6 10.Nf3 with compensation] 10.Rd4 Qa5 11.Ra4 Qf5 12.Rf4!? [If White wanted to play for more, his position is very promising after 12.Nf3! when Junior 12 gives the critical line as 12...e5 13.g4 Qe6 14.Bc4 Qe7 15.g5!+-] 12...Qa5 13.Ra4 Qf5 14.Rf4!? One can hardly blame Purser for taking a draw two pawns down against a world champion. 14...Qa5 15.Ra4 1/2-1/2

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Tuesday, February 14, 2012

Romantic Chess Return of Tom Purser's Blog

Happy Valentine's Day 2012! Today we celebrate romantic love. Sweethearts Enjoy!

Dr. Siegbert Tarrasch is quoted as having said: "I have always a slight feeling of pity for the man who has no knowledge of chess, just as I would pity the man who has remained ignorant of love. Chess, like love, like music, has the power to make men happy."

There is a style players love called Romantic Chess. It has nothing to do with hearts, chocolates, movies, restaurants or kissing. Wikipedia has an excellent description o Romantic Chess:

"Romantic chess was the style of chess prevalent in the 19th century. It was characterized by brash sacrifices and open, tactical games. Winning was secondary to winning with style, so much, in fact, that it was considered unsportsmanly to decline a gambit (the sacrifice of a pawn or piece to obtain an attack). It is no coincidence that the most popular openings played by the Romantics were the King's Gambit accepted and the Evans Gambit accepted. Some of the major players of the Romantic era were Adolf Anderssen, Paul Morphy and Henry Blackburne. The Romantic style was effectively ended on the highest level by Wilhelm Steinitz, who, with his more positional approach, crushed all of his contemporaries and ushered in the modern age of chess."

The Blackmar-Diemer Gambit is another opening in the same Romantic Chess style. In the United States, no one has done more in the last 30 years to promote this opening than "Mr. BDG", Tom Purser. After October 2011, Tom on rarely wrote on his blog.

I celebrate with a Purser win in a BDG Gunderan Variation which appeared in my Blackmar-Diemer Gambit Keybook II (below are some of the notes from that book).

Purser-Alekhineim, USA Today Ladder 1991 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bf5 Gunderam Variation 6.Ne5 e6 7.g4 Bg6 8.Qf3 [The alternative is 8.Bg2 c6 9.h4 Bb4 10.0-0] 8...c6 9.g5 Nd5 The most popular move. 10.Bd3 How about a bishop swap? Actually, White just wants Black to leave f7 uncovered. 10...Nd7 Black challenges the knight on e5. 11.Nxg6 hxg6 12.0-0 Once again White threatens checkmate. 12...Qe7 13.Nxd5 cxd5 14.c4 White is ripping open the position to make use of Black's weaknesses. 14...0-0-0 15.cxd5 exd5 16.Bf4 Nb8 17.Rfe1 Qb4 18.Qg4+ Rd7 19.Re8# This was a well played game by Tom Purser, "Mr. BDG." 1-0

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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