64 square madness that some of us call chess...: C50 Hungarian Defence and Giuoco Pianissimo (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.O-O Nf6 5.d3 O-O 6.Bg5 d6 7.Nc3)

C50 Hungarian Defence and Giuoco Pianissimo (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.O-O Nf6 5.d3 O-O 6.Bg5 d6 7.Nc3)

The game below was played in a team match called Remedy for OCD - BtDW. The match consisted of 20 boards and it was played between Blade, The Daywalker and Obsessive Chess Disorder. I played on board 1 for OCD and this win was really important one to get us a bit closer to the win of the match. The final score of the match was 17.5 - 22.5 in favor of Obsessive Chess Disorder!

This game started with both players playing quite well until my opponent played 7...Nd4, which is a huge blunder, after which I should have a winning advantage, at least according to Stockfish in this after the game analysis. However, none of that actually matters if you do not know how to take full advantage of the mistakes that your opponent makes.

A much more preferable move for peterkp99 was 7...h6.

I showed poor realization skills, because only a few moves later I played foolishly 12.Qf3 instead of just playing 12.Bxe6 and I would have had an easy win. I had to make it difficult for myself by playing 12.Qf3, after which the likely result of the game was a draw and when I did end up playing Bxe6, it was no longer a strong move.

Clearly the best move was 12.Bxe6, which would have removed the defender of the key g4 square. It wins a piece because if Black takes back the bishop, he or she gets mated quickly starting with 13.Qg4+

With the move 17.d4, I completely lost any advantage I had previously gained. Then on move 19, my opponent made a small mistake, but as I did not play accurately, the position evened out again with the move 20.Be3. In order for me to take advantage of the mistake, I needed to play 20.dxc5, but even then it would be likely that the game would have gone towards a draw.

The best move to keep the position equal was 20...c4, according to the engine at depth 34.

After the reply 20...Rc8, the game started to go downhill for my opponent again and the rest of the game I played reasonably well, so that despite of the small mistakes I made, I was able to keep the advantage on my side. The final nail in the coffin was the move 26...Qc1+, after that the game was completely lost for peterkp99.

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Move	N	Result	Elo

Replay and check the LiveBook here

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d3 0-0 6.Bg5 d6 7.Nc3 C50 Hungarian Defence and Giuoco Pianissimo Nd4 8.Nxd4 8.Bxf6 Qxf6 9.Nd5 Qg6 10.Ne7+ Kh8 11.Nxg6+ fxg6 12.Nxd4 exd4 13.a3 Rf4 14.Re1 Bg4 15.Qd2 Raf8 16.b4 Rxf2 17.Qg5 Bb6 18.e5 c5 19.exd6 Bd8 20.Qxc5 Be2 21.d7 Bb6 22.Qd6 Bxd3 Ramirez,L-Gonzalez,A Ciudad del Este 2015 0-1 8...Bxd4 9.Nd5 9.h3 Bxc3 10.bxc3 c6 11.Qf3 Qe8 12.Bxf6 gxf6 13.Qxf6 Qd8 14.Qf3 Qa5 15.d4 exd4 16.cxd4 c5 17.Qg3+ Kh8 18.Qxd6 Rd8 19.Qe5+ Kg8 20.dxc5 Qa4 21.Qg5+ Kh8 22.Qxd8+ Kg7 23.Qd4+ Kg8 Balsai,N-Simon,P (2085) Heves 2000 1-0 (33) 9...Be6N 9...h6 10.Nxf6+ gxf6 11.Bxh6 Re8 12.Qh5 Re7 13.Qg6+ Kh8 14.Qg7# 1-0 (14) Tang,Y-Kwan,H Singapore 2008 9...c6 10.Nxf6+ gxf6 11.Bh6 0-1 (11) Zavagno,M (1443)-Zuttioni,F (1884) Udine 2009 9...Bg4 10.Qxg4 Nxg4 11.Bxd8 Raxd8 12.Nxc7 Rd7 13.Ne6 Re8 14.Nxd4 a6 15.Nb5 axb5 16.Bxb5 Rdd8 17.Bxe8 Rxe8 18.h3 Nf6 19.b4 Rd8 20.c4 b6 21.a4 Rc8 22.a5 bxa5 23.bxa5 Nd7 24.Rab1 Stellnberger,P-Schmid,J Tschagguns 2009 1-0 (33) 9...c6 10.Nxf6+ gxf6 11.Bh4+- 10.Nxf6+ gxf6 11.Bh6 Re8?? but even a better move would not have saved the game 11...Kh8 12.Bxf8 Qxf8+- 12.Qf3 White has a mate threat 12.Bxe6 and the result of the game is clear: White will win f5 13.Bxf5+- 12...Kh8 13.c3 White threatens to win material: c3xd4 Bb6 14.Bxe6 fxe6 Black has a new doubled pawn: e5 15.Qh3 Qe7 16.Rad1 Rg8 17.d4 exd4 18.cxd4 Rg6 19.Rd3 c5 19...Rag8 20.g3= 20.Be3 20.dxc5 dxc5 21.Rfd1 c4± 20...Rc8 20...c4!? is worthy of consideration 21.Rdd1 d5= 21.dxc5± Bxc5 22.Bxc5 Rxc5 23.Rfd1 Rc2 24.R3d2 24.Qf3!? Rc6 25.Qe3± 24...Rxd2 25.Rxd2 Qc7 25...Rg5 26.Qe3± 26.Qd3± Qc1+ 26...Rg4!? 27.Rd1 Kg8± 27.Rd1+- Qxb2 27...Qg5 28.g3 d5 29.exd5 Qxd5 30.Qxd5 exd5 31.Rxd5+- 28.Qxd6 Qxa2?? leading to a quick end 28...Qe5 29.Qxe5 fxe5+- 29.Qf8+ Rg8 30.Qxf6+ 30.Qxf6+ Rg7 31.Rd8# 1–0

White	EloW	Black	EloB	Res

Vierjoki,T

1868

peterkp99

1764

1–0

Finally some reference games that are not all draws.