Add to Database: IM Dmitry S. London,2373 - Roger E. Pedersen,1950

[gameproducer58]

The database has several of my wonderful losses...please put in this win
Roger

IM Dmitry S. London,2373 - Roger E. Pedersen,1950 [B19]
Dr David Ostfeld Memorial Early Winter, 11.12.2011
[Fritz 13 (120s)]
B19: Classical Caro-Kann: 4...Bf5 main line 1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 e6 7.h4 h6 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 Nf6 11.Bf4 Qa5+ 12.Bd2 Bb4 13.c3 Bd6 14.c4 Bb4 last book move. White has a very active position 15.0–0 Bxd2 16.Nxd2 0–0 17.c5 White has a new backward pawn: d4 17...Rd8 18.Qc2 White has an active position 18...Qc7 [18...Rxd4?? the pawn of course cannot be captured 19.Nb3 Qb4 20.Nxd4+–] 19.Qc3 Qd7 [19...Rd5 20.Nc4µ] 20.Rad1 Na6 Manoeuvre Nb8–a6–c7–d5 21.Nc4 Nc7 22.a4 Ncd5 Black threatens to win material: Nd5xc3. A valuable piece 23.Qf3 Qc7 24.Nd6 The white knight is well posted. 24...Ne8 25.Nge4 Ndf6 26.b4 [26.Nxf6+!? Nxf6 27.Rd3=] 26...Nxe4³ 27.Nxe4 a6 Black's piece can't move: e8 28.Rfe1 [28.Rd3 Rd5³] 28...Rd5µ 29.Nc3 Rf5 30.Qh3 Qf4 31.Ne4 Nf6 32.f3 Nxe4 33.fxe4 [33.Rxe4!? Qc7 34.Rb1µ] 33...Rg5 34.Rd3 Qg4 [¹34...Rd8–+ and Black could have gained the advantage] 35.Qxg4³ Rxg4 A double rook endgame occured 36.Kf2 Rd8 37.Kf3 White threatens to win material: Kf3xg4 37...Rh4 38.g4 Rh3+ 39.Ke2 Rxd3 [¹39...Rh2+!? 40.Kf3 Rb2µ] 40.Kxd3= e5 41.d5 cxd5 42.b5 This push gains space 42...dxe4+ White is in double check 43.Kxe4 f6 44.c6 bxc6 45.bxc6?? [¹45.b6³ would save the game] 45...Rd4+–+ 46.Ke3 Rc4 [46...Rc4 47.Rb1 Rxc6 48.Rb8+ Kh7–+] 0–1

[richard]

Hi Roger,

I hope to take external contributions at some point, but we are not really setup to do that conveniently right now. If you can supply a PGN version of the game, the chances of being able to use it in the future will be much higher.

Regards,
Richard.