Friday, July 21, 2017

Colle System Challenge KID

Black has two promising King's Indian Defence ideas to crack the solid Colle System. One strategy is to play an early ...c5 to attack d4 and hold back ...e5. The alternative is to play an early ...e5 along with ...f5 (after moving the Nf6 away) and hold back ...c5. It's not easy if White is determined to maintain a symmetrical pawn formation.

Ray Haines played the Colle System vs the Kings Indian Defence of Roger Morin in the first round of the Potato Blossom Festival. Ray Haines organizes this event each July in the northeast corner of the United States. This year the tournament was won 4-0 by Leonardo Cui of nearby Canada.

Haines and Morin face each other a few times each year, so they are familiar with their styles and openings. Black chose to play both 7...c5 and 10...e5. The d-file was opened by 12.dxe5 dxe5. Both sides missed chances for an advantage. They drew in 42 moves.

Haines - Morin, Potato Blossom Festival, Fort Fairfield, Maine (1), 08.07.2017 begins 1.d4 Nf6 2.e3 g6 3.Bd3 Bg7 4.Nf3 0-0 5.0-0 d6 6.Nbd2 Nbd7 7.Re1 c5 8.c3 b6 [8...e5 9.dxe5 Nxe5 10.Nxe5 dxe5 11.Qe2=] 9.e4 Bb7 10.Nf1 e5 [10...cxd4 11.cxd4 Rc8=] 11.Bg5 [11.d5+= cramps Black's position.] 11...Rc8 [11...cxd4!? 12.cxd4 exd4 13.Nxd4 Re8=/+] 12.dxe5 dxe5 13.Bb5 [13.Bc4=] 13...a6 [13...Qc7] 14.Bxd7 Qxd7 15.Qxd7 [15.Bxf6 Qxd1 16.Raxd1 Bxf6 17.Rd6=] 15...Nxd7 16.Rad1 Bc6 17.Ne3 f6 18.Bh4 Rfd8 19.Nd5 Kf7 20.c4 Rb8 [20...b5!?] 21.b3 [21.Nxf6 Bxf6 (if 21...Nxf6 22.Nxe5+ Ke8 23.Nxc6+/-) 22.Bxf6 Kxf6 23.Rd6+ Ke7 24.Rxc6+/-] 21...g5 22.Bg3 Nf8 23.Nc7 [23.h4 h6=] 23...Ne6 [23...Rxd1 24.Rxd1 Bxe4 25.Nxa6 Ra8 26.Nc7 Rxa2-/+] 24.Nxe6 [24.Nd5 b5=+] 24...Kxe6 25.Nd2 g4 [25...Rd4!=+] 26.f3 gxf3 27.gxf3 Rd3 28.Kf2 b5 [28...Rbd8 29.Ke2 f5-/+] 29.Ke2 Rbd8 30.Nb1 Rxd1 31.Rxd1 Rxd1 32.Kxd1 bxc4 33.bxc4 f5 34.Nc3 f4 35.Bf2 Bf8 36.Nd5 Bb7 37.Kd2 Bd6 38.Kd3 Bc6 39.Kc3 Be8 40.Kd3 Bh5 41.Ke2 Be8 42.Kd3 1/2-1/2

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Wednesday, July 19, 2017

New Slav Playbook for Black

My new Slav Defence Playbook for Black is a simple safe super solid solution to your chess opening repertoire after 1.d4 d5 2.c4 c6. This defence is a reliable response to all Closed Games. The Slav Defence makes your opening preparation easy. You do not need to memorize thousands of variations. You don’t need to play risky gambits.

The Slav is a repeatable sound choice. The solid nature of the position gives Black an easier move selection which saves time. The Slav Defence fits with the Caro-Kann as Black and London 2.Bf4 as White. I played all three of these openings on the Internet Chess Club using “SuperSolid” about 10 years ago.

My Slav Defence Playbook is available in Kindle and paperback.

Black won a sharp a Slav Defence with a strong attack on the White king below in the game IM Roland Loetscher vs GM Adrien Demuth of France. Nice game.

Loetscher (2433) - Demuth (2558), 117th ch-SUI 2017 Graechen SUI (4.2), 16.07.2017 begins 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.Nc3 e6 6.Nh4 Be4 7.f3 Bg6 8.Qb3 Qc7 9.Bd2 Be7 10.0-0-0 dxc4 11.Bxc4 b5 12.Be2 a6 13.Nxg6 hxg6 14.g3 c5 [Black opens up lines of attack toward the White king.] 15.dxc5 Nbd7 16.Kb1 Nxc5 17.Qc2 Rc8 18.Rc1 0-0 19.Ka1? [19.a3 Qb6 20.Rhd1 e5=] 19...Qb7 20.Qd1 [20.a3 b4 21.axb4 Qxb4-/+] 20...Rfd8 21.Qe1 [21.e4 Bd6-/+] 21...b4 22.Nb1 a5 23.Rc4 Nfd7 [23...Nd5-+] 24.Qf2 Bf6 25.Rd1 Nb6 [Or 25...Ne5 26.Rd4 Ned3 27.Bxd3 Nxd3 28.Qe2 Nxb2-+] 26.Rf4 Nca4 [26...Bxb2+! 27.Kxb2 Nba4+ 28.Ka1 b3 29.Na3 b2+ 30.Kb1 Rxd2 31.Rxd2 Nc3+ 32.Kc2 b1Q+ 33.Nxb1 Qxb1+ 34.Kxc3 Nd3+ 35.Rc4 Qb4+ 36.Kc2 Rxc4+ 37.Kxd3 Qc3#] 27.Rxf6 gxf6 28.Qf1 Qc7 29.Rc1 [29.Bc1 Rxd1 30.Qxd1 Qxc1 31.Qxc1 Rxc1-+ and Black is up a rook.] 29...Qe5 0-1

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Monday, July 17, 2017

Van Geet vs Aasum 5.c3

Dirk Daniel Van Geet played Anker Aasum in a Queens Knight Attack at an event listed as “Mariac 1993”. I am curious as to the nature of this tournament. I see that there is a commune in the south of France with that name, but the players in that event seem to be primarily postal chess players from many countries.

The line 1.Nc3 d5 2.e4 d4 3.Nce2 e5 4.Ng3 Be6 is quite popular. Natural is the move 5.Nf3. The bishop check 5.Bb5+ is tempting. Most challenging both strategically and tactically is 5.c3. With this move, White strikes the Black pawn center right on the nose. Black cannot easily ignore it. White has a playable game in all lines.

Van Geet - Aasum, Mariac 1993 begins 1.Nc3 d5 2.e4 d4 3.Nce2 e5 4.Ng3 Be6 5.c3 [5.Nf3 f6 6.Bb5+ c6 7.Bd3=] 5...c5 6.Nf3 f6 7.Qa4+ Nd7 8.Bc4 Qb6 9.0-0 Ne7 10.Rd1 g6 11.Bxe6 Qxe6 12.b4 Kf7 13.Qb5 b6 14.bxc5 bxc5 15.Ba3 Rb8 16.Qa4 Nc6 17.d3 Nb6 18.Qa6 Be7 19.Ne2 Rhd8 20.c4? [20.cxd4 cxd4 21.Bxe7 Qxe7 22.Ne1=] 20...Nd7 21.Rab1 Rxb1 22.Rxb1 Rb8 [22...Nb4 23.Qxe6+ Kxe6 24.Bxb4 cxb4=/+] 23.Rxb8 Ndxb8 24.Qb5 Nd7 25.Nc1 Nb4 26.Bxb4 cxb4 27.Nb3 a6 28.Qa5 Qc6 29.Nfd2 Bc5 30.Qd8 Be7 31.Qa5 Bc5 32.Kf1 Qb6 33.Qa4 Ke7 34.Ke2 Bd6 35.Kd1 Nc5 36.Nxc5 Bxc5 37.Nb3 Kd6 [37...Bd6=] 38.Nxc5 [38.Qe8+-] 38...Kxc5 39.Qd7 Qc6 40.Qe7+ Qd6 [40...Kb6 41.Qxb4+ Ka7 42.Ke2+/-] 41.Qxh7 g5 42.Qa7+ Qb6 [42...Kc6 43.Qxa6+ Kd7 44.Qxd6+ Kxd6 45.Ke2+-] 43.Qxb6+ Kxb6 44.f3 Kc5 45.g3 a5 46.h4 1-0

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Friday, July 14, 2017

Blackmar-Diemer Wight Win

David Wight wins a Blackmar-Diemer Gambit with an unusual but effective maneuver. The standard approach in the Euwe Variation after 5.Nxf3 e6 is to play 6.Bg5 and 7.Bd3 or 7.Qd2. In either case, White's queen may head to Qh4 for a kingside mating attack. David chose the next best thing with 6.Bd3 and later 9.Qe1. What stood out to me was 7.Ne2!? The knight protects d4 and allows a later c3 or c4 pawn push as needed.

White combined his kingside attack with actions on the queenside and the center. Black went wrong in complications. Under pressure, Black gave up or lost material to hold off checkmate. David Wight told me that "the other person then let his clock run out!"

My Blackmar-Diemer Gambit books:
Blackmar-Diemer Games 1
Blackmar-Diemer Games 2
Blackmar-Diemer Theory 3
Blackmar-Diemer Theory 4
Blackmar-Diemer Puzzles
Blackmar-Diemer Playbook 6
Blackmar-Diemer Playbook 7

Mr_Wight_BDG (1721) - Rogercaballero74 (1673), Live Chess, 05.07.2017 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Bd3 Be7 7.Ne2!? [7.Bg5 leads to more popular positions.] 7...0-0 8.0-0 c6 9.Qe1 Nd5 10.c4 Nb4 11.Bb1 Nd7 12.a3 Na6 13.b4 Nc7 14.Bf4 Nf6 15.Qg3 Nh5 16.Qh3 Nf6 [16...g6 17.Be5 a5 18.g4+-] 17.Ne5 [Another interesting try is 17.Ng5 h6 18.Qd3+/-] 17...Nce8 18.g4 Bd6 [18...g6 19.Bh6 Ng7 20.Bc2+/=] 19.g5 g6 [If 19...Bxe5 20.dxe5+-] 20.gxf6 Nxf6 21.Bg5 Be7 22.Qh4 b5 [Or 22...Kg7 and White remains a piece up after the wild tactical line 23.Qh6+ Kg8 24.Rf4 Nh5 25.Rxf7 Rxf7 26.Nxf7 Qf8 27.Bxg6 Qxh6 28.Nxh6+ Kg7 29.Bxe7 hxg6 30.Ng4+-] 23.Nxc6 Qd7 24.Nxe7+ Qxe7 25.Bxf6 Qd7 26.Qh6 1-0

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Wednesday, July 12, 2017

Caro-Kann Playbook Haines

My new Caro-Kann Playbook for Black is a companion to London 2.Bf4 Playbook for White. Ray Haines convinced me to try the Caro-Kann Defence in 1974. Soon I started winning with it. He won the Caro-Kann below against Nathan Gates. Ray Haines wrote:

"I played Nathan Gates three times before. I played a Sicilian Defense as black in two of those games. I decided to play the Caro-Kann. I have always liked this opening. It was the first opening which I studied back when I start to study how to play. I know that many very strong players have played this opening past; like Botvinnik, Smyslov, Korchnoi, and Tim Sawyer [Editor: Very funny Ray]. The opening is a lot like the French only with the queen bishop out. I chose to treat it like a French Defense in this game. The problem was that White used 8.c4 to open the game. The result was that he ended up with the better game. He did use a lot of time on his clock, which met that he had trouble finding the best moves. I got the better game after a half way into the game and won on time."

[My Caro-Kann Playbook is available in Kindle digital and in paperback.]

Gates - Haines, Houlton Open (3), 03.06.2017 begins 1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 e6 5.Be2 Qb6 [5...Nd7 6.0-0 Ne7=] 6.Nbd2 Nd7 7.0-0 Ne7 8.c4 c5 [8...Ng6!?] 9.dxc5 Nxc5 [9...Qxc5!?] 10.cxd5 Nxd5 11.Nc4 Qd8 12.Nd4 a6 [12...Bg6 13.Nb5 Ne4 14.Qa4 Qd7 15.Ne3+-] 13.Nxf5 exf5 14.Re1 [14.Qc2 Qc8 15.Bf3 Nb4 16.Qe2+-] 14...Ne6 15.Bf3 Nb4 16.Bxb7 Rb8 17.Qa4+ Qd7 18.Qxd7+ Kxd7 19.Rd1+ Kc7 20.Bf3 Nc2 21.Rb1 Bc5 22.Ne3 [22.Bd2! Ncd4 23.Bd5 Kd7 24.b4+-] 22...Ncd4 23.Bd5 [23.Bd2+/-] 23...Rhd8 [23...Ne2+ 24.Kf1 Nc3 25.Bd2 Nxd1=/+] 24.Bb3 [24.Bd2+/-] 24...Nxb3 25.axb3 Rxd1+ 26.Nxd1 Rxb3 27.Nc3 Bd4 28.Bd2 Bxe5 29.Rc1 Kb7 30.g3 [30.Na4 Rd3-/+] 30...Rxb2 31.Be3 Bd4 32.Bxd4 Nxd4 33.Rd1 Nf3+ 34.Kg2 Ne5 35.Rd5 f6 36.Na4 Rb5 37.Rd8 Kc6 38.Rg8 Rb7 39.Nc3 Ra7 40.h4 a5 41.f4 Ng4 42.Rc8+ Kd7 43.Rc5 [Or 43.Rg8 Ke6 44.Re8+ Kf7-+] 43...a4 44.Ne2 a3 45.Rc1 [Or 45.Nc1 a2-+] 45...a2 46.Ra1 Ne3+ 47.Kf3 Nc2 48.Rd1+ [Black will queen his a-pawn and win.] 0-1

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Monday, July 10, 2017

Blackmar-Diemer Lemberger

White enjoys two good Blackmar-Diemer Gambit choices against the Lemberger after 1.d4 d5 2.e4 dxe4 3.Nc3 e5. I cover 4.Nxe4 in Blackmar-Diemer Playbook 6 which is the traditional main line. I cover 4.Nge2 in Blackmar-Diemer Playbook 7. This line by Ernst Rasmussen became my favorite.

Lines in Playbook 6 include Teichmann Exchange 7.Qxf3 c6 8.Be3, Euwe 7.Bd3, Bogoljubow 6.Bc4, Vienna 5.fxe4, Lemberger 4.Nxe4, and Huebsch 5.Bc4.

Lines in Playbook 7 include Teichmann Exchange 7.Qxf3 c6 8.g4, Euwe 7.Qd2, Bogoljubow 6.Bg5, Vienna 5.g4, Lemberger 4.Nge2, and Huebsch 5.Be3.

These two basic opening repertoire guides use 200 diagrams to illustrate unified plans for White. Each position is followed by a brief explanation or continuation. These books offer separate plans for White, though they built on the same structure. Most of Playbook 6 differs from Playbook 7 although some introductory diagrams are the same.

My knowledge and experience intersected well with my skill and energy in 1998. That's when I hit my peak blitz chess rating of 2492. On my way up I drew the computer KillerGrob in a Blackmar-Diemer Gambit Lemberger in the 4.Nge2 exd4 line.

Sawyer (2323) - KillerGrob (2831), ICC 5 0 Internet Chess Club, 14.09.1998 begins 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Nge2 exd4 5.Qxd4 Qxd4 6.Nxd4 Nf6 7.Bg5 Be7 8.0-0-0 Ng4 [8...0-0=] 9.Bxe7 Kxe7 10.Nxe4 f5 11.h3 fxe4 12.hxg4 c5 13.Nf5+ [13.Nb5! Bxg4 14.Re1 Kd8 15.Rxe4 Bd7 16.Bc4+/- with a dominating position.] 13...Bxf5 14.gxf5 Nc6 15.Rh4 Kf6 16.Rd7 Nd4 17.Rxe4 b6 [17...Rhe8 18.Rxe8 Rxe8 19.Kd2 Re7 20.Rxe7 Kxe7 21.g4+/-] 18.Ree7 [White is probably winning after 18.Bc4 Kxf5 19.Ree7 Rhf8 20.Bd3+ Kf6 21.Rxg7+-] 18...Nxf5 19.Rf7+ Kg5 20.Bd3 g6 21.Bxf5 gxf5 22.Rxh7 [22.Rd5!+/-] 22...a5 23.Rdg7+ Kf4 24.b3 Rxh7 25.Rxh7 Rg8 26.g3+ Kf3 27.Rh5 Kxf2 28.Rxf5+ Kxg3 29.Rf1 Rd8 30.a4 [30.Rf6+/=] 30...Rd6 31.Rf8 c4 32.Kb2 cxb3 33.cxb3 Rc6 34.Rf1 Kg4 35.Rf8 Kg5 36.Rf1 Kg6 37.Rf8 Rc5 38.Rf1 Rc7 39.Rf2 Kg5 40.Rf1 Rc5 41.Rf2 Rc6 42.Rf1 Rc5 43.Rf2 Rc8 44.Rf1 Rc5 Game drawn by repetition 1/2-1/2

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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Friday, July 7, 2017

King's Indian 5.f3 vs Wadman

It's my postal chess anniversary. My first American Postal Chess Tournaments (APCT) pairings arrived 40 years ago on 7/7/77. I played 1000 correspondence games against players from all 50 US states and 30 countries. By 1997 chess engines and internet play changed correspondence competition. Computers improved the quality of analysis, but it destroyed the innocence of postal play. I switched to online blitz 20 years ago.

I played Gene Wadman two games in 1981. As Black, I won with the Gruenfeld Defence. As White, I chose the Saemisch Variation 5.f3 against the King's Indian Defence. Black opened up the center with 9...d5!? Tactical combinations allowed White to win a pawn by move 15. Black missed threats against his queen and resigned by move 23.

Check out my puzzles books available in digital, paperback, and Kindle Unlimited:
Blackmar-Diemer Puzzles
King Pawn Puzzles
Sicilian Defence Puzzles
French & Caro Puzzles
Queen Pawn Puzzles
Indian Defence Puzzles
Flank Opening Puzzles
These books combined have over 1000 checkmates.

Sawyer (2100) - Wadman (1507), corr APCT 1981 begins 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 0-0 6.Be3 e5 7.Nge2 exd4 8.Nxd4 c6 9.Qd2 d5 10.cxd5 cxd5 11.e5 Ne8 12.f4 Nc7 [12...f6!=] 13.Ndb5! b6? [13...Nxb5 14.Bxb5+/-] 14.Nxc7 Qxc7 15.Nxd5 Qd8 16.Rc1 Nd7 17.Bb5 Bb7? [17...Nc5 18.Bxc5 bxc5 19.Rxc5+-] 18.Bxd7 Rb8 19.Bc6 Bxc6 20.Rxc6 Rb7 21.Rd6 Qc8 22.0-0 Rd8 23.Ne7+ 1-0

You may also like: King Pawn (1.e4 e5) and Sicilian (1.e4 c5)
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Now in Kindle and paperback