Thursday, June 16, 2016

BDG Lemberger by Malmstrom

Two experienced correspondence players from Sweden battle it out in an IECG gambit game. Jan Malmstrom as White had a peak ICCF rating of 2305. Magnus Rosenstielke was Black. Both players have been rated above and below 2000 at times.

The opening is a Blackmar-Diemer Lemberger Counter Gambit. After 1.d4 d5 2.e4 dxe4 3.Nc3 e5, White chose the popular 4.Nxe4 line. Normally Black captures with 4…exd4 or 4…Qxd4. Here Black responded 4…Nc6!? Both sides played well. White had possible improvements on moves 7 and 14. After the rooks disappeared, kings were tied down by the opposing passed pawns. Neither side could make progress in this pawn endgame.

Malmstrom (1956) - Rosenstielke (1900), TE.2006.S.01901 IECG, 19.08.2006 begins 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Nxe4 Nc6 5.Nf3 f5 6.Nc3! [6.Neg5 h6! 7.d5 (7.Nh3 exd4 8.Nf4 Qd6 9.Bc4 g5 10.Ne2 Qb4+ 11.Nd2 Bd7=/+) 7...Nce7 8.Nh3 (8.Ne6 Bxe6 9.dxe6 Qxd1+ 10.Kxd1 0-0-0+ 11.Bd2 Nc6=/+) 8...Qd6 9.Qe2 e4 10.Qb5+ c6 11.dxc6 Nxc6=/+] 6...e4 [6...exd4 7.Nb5 and now: 7...Bb4+ (or 7...Nf6 8.Nfxd4 Nxd4 9.Qxd4 Qxd4 10.Nxd4=) 8.Bd2 Nf6 9.Bxb4 Nxb4 10.Nbxd4=] 7.Ng5 [7.d5 exf3 8.dxc6 Qxd1+ 9.Nxd1 Ne7 10.cxb7 Bxb7 11.g3 0-0-0 12.Bd3 Be4 13.Bxe4 fxe4 14.0-0=] 7...Qxd4 [7...Nf6 8.Bc4 Bb4 (8...Qxd4 9.Bf7+ Kd8 10.Bd2 Bc5 11.0-0 Ke7 12.Qe1 h6 13.Nf3=) 9.0-0 Qxd4 10.Qe2 Ne5 11.Bb3 Qc5 12.Rd1 Bxc3 13.bxc3=] 8.Be3 Qxd1+ 9.Rxd1 Bb4 10.Bc4 Ne5 [10...h6!? 11.Nf7 Rh7 12.Ne5 (12.Nd8 Nxd8 13.Bxg8 Rh8 14.Bb3 Ne6 15.0-0 Rf8 16.Rfe1 Bd7=/+) 12...Nge7 13.Nxc6 Nxc6 14.a3 Bxc3+ 15.bxc3 Ke7 16.Be2 Rh8 17.f3 exf3 18.Bxf3=] 11.Bb3 Nf6 12.0-0 Bxc3 13.bxc3 h6 14.Nh3 [White might do better with 14.Ne6 Bxe6 15.Bxe6 g6 16.Bf4 Ke7 17.Bxf5 gxf5 18.Bxe5=] 14...Nc6 15.Rfe1 [15.f3!? g5 16.fxe4 Nxe4 17.Rfe1 Bd7 18.Nf2 0-0-0=] 15...Bd7 16.Nf4 g5 17.Ng6 Rh7 18.Bc5 Rg7 19.Nf8 f4 20.Nxd7 Rxd7 21.Rb1 Rad8 22.Ba4 Rd5 23.Bd4 Ke7 24.Rxb7 Nxd4 25.cxd4 Kd6 26.c3 Ra5 27.Bb3 Re8 28.Kf1 [Or 28.c4 e3 29.fxe3 Kc6 30.Rb4 Rxe3 31.Rxe3 fxe3 32.c5=] 28...Nd7 29.Rb4 Nb6 30.a4 Nd5 31.Bxd5 Kxd5 32.Rd1 Re6 33.c4+ Kd6 34.Ra1 c5 35.Rb5 Rxb5 36.axb5 cxd4 37.Ra6+ Ke5 38.Rxa7 d3 39.Rd7 Rd6 40.Rxd6 Kxd6 41.Ke1 Neither side can make progress in this pawn endgame. 1/2-1/2

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