10 Jun 2015

B01 Scandinavian Defence (1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 4.Nf3 Bg4)

B01 Scandinavian Defence (1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 4.Nf3 Bg4)

The more usual move order for this variation is likely 1.e4 d5 2.exd5 Qxd5 3.d4 Nc6 4.Nf3 Bg4. Today I accepted two chess960 challenges and in the first one I was pretty much lost after two moves... For some reason I do not look at the board properly when it comes to chess960. I guess I have played chess mostly recently and because of that I have forgotten that in some chess960 starting positions White will be able to threaten to take a pawn for free after his first move. Even if White were to take that pawn for free, it might not cost the game, but in the starting position I have in that game, my opponent was also able to take the exchange on his third move. So after three moves, he was up the exchange and a pawn, which is too much to give for almost no compensation. This might also mean that I need that break from chess more badly than I thought. Well, I should not make all that big decisions based on one game. I have mostly played on a decent level lately, maybe around 1900 level on average, at least on Chess.com and at Red Hot Pawn. Everywhere else the ratings that I have are farther away towards both directions, so I can't really compare them. I have been back over 1900 at Chess.com again for a few days now but around the time that happened, I dropped my rating at Red Hot Pawn below 1900, so that was a rather weird coincidence.

The game below was played in a team match called Happy New Year 2015 Romeo and Juliet vs Kasparov Chess Club !! The match is played on 62 boards and I played on board 11 for Romeo and Juliet. I won my both games on time. Neither of those games were actually winning for me in the position the game ended but instead close to equal. The score has not changed in the match during the time I posted yesterday and this post, so the score is still 89 - 33 in favor of Romeo and Juliet. I have added one mate in one, two mate in twos, one mate in five and one mate in seven puzzle.

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MoveNResultElo
1.e41,166,62354%2421
1.d4947,29855%2434
1.Nf3281,60256%2441
1.c4182,10256%2442
1.g319,70256%2427
1.b314,26554%2427
1.f45,89748%2377
1.Nc33,80151%2384
1.b41,75648%2380
1.a31,20654%2404
1.e31,06848%2408
1.d395450%2378
1.g466446%2360
1.h444653%2374
1.c343351%2426
1.h328056%2418
1.a411060%2466
1.f39246%2436
1.Nh38966%2508
1.Na34262%2482
1.e4 Nc6 1...d5 2.exd5 Qxd5 3.d4 1/2-1/2 (42) Plunge,G (2163)-Garnelis,J (2109) Vilnius 2007 2.d4 d5 3.exd5 Qxd5 B00 Nimzowitsch Defense: Scandinavian Variation. Exchange Variation 4.Nf3 Bg4 B01 Scandinavian Defence 5.Be3 e5 5...Bxf3= 6.Qxf3 6.gxf3 e5= 6...Qxf3 7.gxf3 e6 6.dxe5 6.Nc3 Bb4 7.Be2 7.dxe5 Bxc3+ 8.bxc3 Qxe5 9.Qd2 Rd8 10.Qe2 Nge7 11.Bd2 Qf5 12.Qc4 Nd5 13.0-0-0 Bxf3 14.gxf3 0-1 (14) Chirila,R (2247)-Manciu,N (2102) Bucharest 2000 6...Qxd1+ 7.Kxd1 Nxe5 8.Be2 8.Nbd2= 8...0-0-0+N 8...Nxf3 9.gxf3 Be6 10.Nd2 Ne7 11.Bc4 Nd5 12.Ke2 Bd6 13.Rad1 0-0-0 14.Bb3 Be5 15.c3 Rhe8 16.Nc4 Bf4 17.h4 b5 18.Na5 Bxe3 19.Bxd5 Bxd5 20.fxe3 Re6 21.a3 c5 22.b4 c4 23.Rd4 Plunge,G (2163)-Garnelis,J (2109) Vilnius 2007 1/2-1/2 (42) 9.Kc1 9.Nbd2 is more appropriate. Nxf3 10.Bxf3 9...Nxf3 10.gxf3 Bh5 11.Nc3 Nf6 11...a6 12.Rd1 12.Bxa7= Bb4 13.Rg1 12...Bb4 12...Be7 is more complex. 13.Rg1 a6 14.a4 Kb8 15.a5 Bg6 13.Bd2 13.Nb5 13...Rhe8
aiming for ...Bxc3. 14.Re1 14.Be3 14...Bc5 14...Bg6-+ 15.a4 Bc5 15.Rf1 15.Ne4 Nxe4 16.fxe4 Bxe2 17.Rxe2 15...Nd5 ...Nxc3 is the strong threat. 16.Bd1 16.Ne4 keeps fighting. 16...Nxc3 17.Bxc3 f6 18.b4 Bd4 19.Kb2 Bxc3+ 20.Kxc3 g5? 20...Rd5-+ 21.a3 c5 21.a4 21.f4! Bg6 22.fxg5 21...Re6 Better is 21...Bf7 22.b5 h5 22.Kb2 22.f4! Rc6+ 22...gxf4 23.Bxh5 23.Kb2 Bxd1 24.Rfxd1 22...Rd2 Black should try 22...Rd4-+ 23.c3 Rd2+ 24.Kc1 Red6 23.Kc1 23.f4! Rxd1 23...gxf4 24.Bxh5 24.Rfxd1 Bxd1 25.Rxd1 23...Red6 Keeping White busy. 24.Ra3 24.b5 24...Bg6 25.Re3 25.f4 25...R2d4 26.c3 Rd2 26...Rh4-+ and Black stays clearly on top. 27.Rh1 b6 27.Re2 27.Bb3 27...R2d3-+ 28.Rc2 28.Re3 might work better. 28...Rc6 29.Kb2 Rcd6 30.Kc1 Bf7? 30...Rc6-+ 31.Kb2 Rd8 31.Be2= Bg6 32.Bxd3 Bxd3 33.Re1
And now Rd2 would win. 33...Bxc2 34.Kxc2 Endgame KR-KR Kd7 35.Re4 35.h4= keeps the balance. 35...c6 35...Rd5 36.h3 f5 37.Re5 Rf6 37...Rd5! 38.Re1 a5 38.Kd3 Kd6 39.Re8 39.Ra5= 39...Rf7 39...Rh6 40.Rg8 40.Kd4 40...Ke5 41.Rxg5 Kf4 42.Rg3 h5 White must now prevent ...h4. 43.h4 Rd7+ 44.Ke2 Re7+ 45.Kd2 Re3 45...a5= 46.Rg5 White should play 46.Rg7 Rxf3 47.Rxb7 46...Rxf3 47.Rxh5 Rxf2+ 48.Kd3 Threatening Rh7. Kg4 48...Rf3+= 49.Kc2 Ke4 49.Rh7 Accuracy: White = 22%, Black = 22%.
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Vierjoki,T1895Jhopes16851–0

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