Mystery game #121: Takes two to Tango: Rare line shows potential!

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  • Mystery game #121: Takes two to Tango: Rare line shows potential!

    Here is the text of an interesting game. You can discuss the game, variations, player strengths, era, setting, time controls, etc. I will provide all data in a few days. Enjoy!!

    1.d4 Nf6 2.c4 e6 3.Nc3 Nc6 4.e4 d5 5.Bg5 Bb4 6.e5 h6 7.Bh4 g5 8.Bg3 Ne4 9.Nge2 f5 10.f3 Nxg3 11.Nxg3 dxc4 12.a3 Ba5 13.Bxc4 Qxd4 14.Qxd4 Nxd4 15.O-O-O c5 16.Nh5 Kf7 17.Nb5 Nxb5 18.Bxb5 Bc7 19.Rhe1 Kg6 20.g4 a6 21.Ba4 b5 22.Bb3 Ra7 23.Ng3 Rf8 24.gxf5 exf5 25.e6 Bf4+ 26.Kb1 Re7 27.Nf1 c4 28.Bc2 Rxe6 29.h3 Rfe8 30.Rxe6 Rxe6 31.Rd8 Bb7 32.Bd1 Kf7 33.Rd7+ Re7 34.Rd8 a5 35.Kc2 b4 36.Rh8 Kg7 37.Rd8 b3+ 38.Kb1 g4 39.hxg4 fxg4 40.fxg4 Be4+ 41.Ka1 Bc2 42.Rd4 Re1, 0-1.

  • #2
    Matthew Struthers (2121) -- Frank Dixon (1983), Kingston 2004. Kingston Chess Club rapid (3), played 2004-01-12. Black Knights' Tango, E20. Time controls G/30'. TDs: Frank Dixon, Dr. Dilip Panjwani. Light notes by Frank Dixon.

    This is a game from a Black Knights' Tango line which I have played for several years, and which is not well documented in chess literature. I got the idea from my late father Donald Dixon (1932-2014). Dad, a professional engineer with a very busy career while I was in my teen years, was then about 1600 strength by current standards, but never had the opportunity to play rated tournament chess. Essentially, the idea is to allow White to play 4.e2-e4, and then counter with 4...d7-d5. Other moves for White at move four are of course possible, such as:
    a) 4.d5, b) 4.Nf3, c) 4.a3, d) 4.cxd5, e) 4.Bg5, f) 4.g3, g) 4.e3, and so forth; I have faced all of those.
    I believe that at move five for Black, both 5...Be7 and 5...dxe4 are also playable.
    If 7.exf6, then Black gets a playable game with 7...hxg5 8.fxg7 Rg8 9.Qh5 Qg6, with a line somewhat akin to one of the rare lines in the French Defense, MacCutcheon variation. Black will regain the g7 pawn to re-establish material equality, and will usually castle long. There are also lines in the Nimzo-Indian and Queen's Indian Defenses where Black plays an early ...g7-g5 to chase White's dark bishop which has come to g5 early, so the idea should not be dismissed out of hand.
    At Black's move nine, I believe 9...dxc4 is also playable.
    At move 12, the game Evans Harrison -- Frank Dixon, Deep River 1976, continued 12.Bxc4 Qxd4 13.Qxd4 Nxd4 14.O-O (drawn in 51 moves). This was my first time seeing 12.a3, and our current game now takes on a completely different character from the earlier referenced game. I believe White has some compensation for his pawn at move 15; he is castled, with a lead in development; Black's King may be somewhat insecure; the question is could this have been utilized better than in the game? I am not sure. Clock times at move 15 (W 14 minutes used, B 3 minutes used).
    At move 22, White may have had better with the immediate 22.Bc2!?, intending to pressure f5 more strongly than he did. The bishop does retreat back to c2 a few moves later. He played for the passed e-pawn's advance, supported by his bishop and rook, with 23.Ng3 Rf8 24.gxf5+ exf5 25.e6?. This didn't work out well for him. Clock times were at move 23: (W 23 minutes used, B 12 minutes used); then by move 31, White was down to one minute on his clock to finish the game.
    White said afterwards that he missed the strength of the zwishenzug 25...Bf4+!, gaining a tempo, and also then allowing the R/a7 to move to e7, across the now unblocked seventh rank, to stop the e-pawn's advance. The game turned on this, since Black was not only able to control the e6 pawn, but actually won it a few moves later. This put him two pawns up. White had little compensation for his material deficit, and, with poor coordination of his pieces, also faced time shortage. He lost in a few moves to some nice tactical play, which emphasized Black's advantages, sacking a pawn to force a winning sequence where his pieces converged on White's weak back rank.
    The opening line looks somewhat ropey, to be sure, but so do many lines in variations in the Semi-Slav which are unbalanced at an early stage. Black played sharply and quickly, knowing the variation from experience, while White, the higher-rated player, did not know it, and used a lot of time to reach an inferior middlegame position. This was a significant factor in the outcome. The line needs more testing to reach a definite conclusion!

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