Maik Kopischke (1799) - Spanton (1837)
Réti Opening
1.Nf3 d5 2.g3 Nc6 3.c4
This has been played by grandmasters, but much more popular are 3.d4 and 3.Bg2.
3...dxc4 4.Na3?!
A better way to recapture the pawn seems to be via 4.Qa4. Also popular is the gambit move 4.Bg2.
4...e5 5.Nxc4 e4 6.Nh4N Bc5 7.d3
This is the choice of Stockfish10 and Komodo10, but it highlights how dubious White's opening has been.
7...Nf6 8.Be3 Bxe3?!
The engines much prefer 8...Bb4+ 9.Bd2 Qe7.
9.Nxe3 exd3 10.exd3 0-0 11.Bg2 Nd4
This is almost certainly better than 11...Nb4?! 12.d4 Nbd5.
12.0-0 Re8 13.Rc1 c6 14.Qd2 Be6 15.b3
 |
| How should Black proceed? |
*****
*****
*****
*****
15...a5
I could have won rook and two pawns for bishop and knight by 15...Bxb3?! 16.axb3 Nxb3 17.Qb2 Nxc1, but after 18.Rxc1 the engines prefer White.
16.Nf3 a4 17.Nxd4 Qxd4 18.Rc3?!
The engines prefer 18.b4.
18...axb3 19.axb3 Ra3
Even stronger, according to the engines, is 19...h5 20.h4 Ra2.
20.Nc2
White offered a draw.
20...Ra2 21.Nxd4 Rxd2 22.Ra1 Nd5 23.Rcc1
23.Bxd5 Bxd5 24.b4 g6 also leaves Black well on top.
23...Rxd3 24.Nxe6 fxe6
White has lost a pawn, and still has a weak b pawn, but has bishop-versus-knight and has targets at b7 and especially e6.
25.b4
The engines prefer the passive-looking 25.Rab1!?, when one plan is to advance the b pawn with the aim of exchanging it to give Black a second isolani.
25...Rd2?!
25...Rb3 26.Rcb1 Rxb1+ simplifies Black's task.
26.Bh3?
The engines reckon White has almost equalised after 26.b5 cxb5 27.Rab1.
26...Rb2 27.Re1 Kf7 28.Re4 Rxb4 29.Re2 Re7 30.Rae1 Nc7 31.f4 Rb5
Not so convincing is 31...g6 32.f5! gxf5 33.Bxf5.
32.Bf1 Rd5 33.Bg2 Rd6 34.f5 Red7
Clearer is the engines' 34...Nb5.
35.Bh3 e5
The best way to give up the pawn.
36.Rxe5
36.f6!? gxf6 37.Bxd7 Rxd7 leaves Black with three pawns for the exchange.
36...Rd1?!
Almost certainly better is a move such as 36...Rd5, eg 37.R5e2 Rd2 38.Re5 Kf6 39.g4 R2d5 40.R5e2 Rd1.
37.Kf1?!
White seems able to put up a better fight with 37.f6 R7d5 38.fxg7 Rxe5 39.Rxd1 Re7 40.Bg2, although Black's extra pawn after 40...Kxg7 should probably tell in the long run.
37...Rxe1+ 38.Rxe1 Kf6 39.Rb1 Nd5 40.Re1
Not 40.Rd1?? Ne3+.
40...Re7 41.Rxe7?
The minor-piece ending is hopeless. White had to try something like 41.Rc1, eg 41...Ne3+ 42.Kg1 when 42...Nxf5?? 43.Rf1 Re5 44.g4 is drawn, according to the engines. But Black remains much better by not taking the f pawn.
41...Nxe7 42.g4 h5
The game finished:
43.gxh5 Nxf5 44.Ke2 Ke5 45.Kd3 Nd6 46.Kc3 c5 47.Bg2 b5 48.Bf1 b4+ 49.Kb3 Kd4 50.Ba6 Ne4 51.Bb7 Nd2+ 52.Kc2 Nf1 53.h3 c4 54.Ba6 Ne3+ 55.Kd2 b3 56.Kc1 c3 57.Bc8 Nd5 58.Be6 b2+ 59.Kc2 Ne3+ 60.Kb1 Kd3 61.Bf7 Kd2 62.Bg6 Nc4 63.Bf5 Na3+ 64.Ka2 b1Q+ 0-1
My final score of +6=1-2 saw me gain 17.6 Fide elo.
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