Tuesday, June 28, 2016

Ruy Lopez Exchange Variation

I drew vs the 2401 rated Protej after I won a pawn. Ruy Lopez Exchange lines are all roughly equal in theory. The players are not. When Magnus Carlsen played 5…Bd6 it did not mean the other lines he played were bad. It meant the champion found another way to pose problems for his opponents. Their problem was not Black’s fifth move choice but that Black was played by Carlsen!

When I sent my Chess Training Repertoire to my email list on the Ruy Lopez Exchange Variation, I recommended 5.0-0 f6 6.d4 Bg4. Then I gave 7.c3 exd4. This seventh move was probably better than what I played. My choice in this three minute blitz game was to quickly develop the Black kingside with 7.c3 Bd6 8.Nbd2 Nh6!? 9.Nc4 Nf7. The fact that it worked in this game is no guarantee of future success.

The big advantage for me was that White blundered a pawn in this game. I was around to accept it, but I cannot take credit for causing this White mistake. Its pawn on e6 was too vulnerable. In a slow game vs a human, I would have played to win with a move like 24…g6! In time pressure vs a chess engine I headed toward a drawn position. I only had a few seconds left at the end.

Protej (2401) - Sawyer, ICC 3 0 u Internet Chess Club, 09.06.2016 begins 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.0-0 f6 6.d4 Bg4 7.c3 Bd6 8.Nbd2 Nh6!? [8...Qe7=] 9.Nc4 Nf7 10.Ne3 [10.h3 Bh5!?=] 10...Be6 11.Qe2 Qd7 12.d5 cxd5 13.exd5 Bf5 [13...Bg4 14.Nxg4 Qxg4=] 14.Nxf5 Qxf5 15.Nd4 Qd7 16.Ne6 [16.c4 0-0 17.Ne6 Rfe8=] 16...Nd8 17.Qg4 [17.Nxd8 Rxd8 18.c4 0-0=] 17...Nxe6 18.dxe6 Qe7 19.Qc4 [19.f4 exf4 20.Bxf4 0-0-0=] 19...0-0 [19...0-0-0 20.f4 Rhe8 21.f5 Bc5+ 22.Kh1 g6=/+] 20.Rd1? [20.f4=] 20...Rfe8 21.Qe4 b6 22.g4 Qxe6 23.a4 a5 24.Be3 Qe7 [24...g6!-/+] 25.Rd5 Kh8 26.Rad1 Rad8 27.c4 Bb4 28.b3 h6 29.f3 Rxd5 30.Rxd5 Rd8 31.Kg2 Rxd5 32.Qxd5 Qd6 33.Qxd6 Bxd6 34.Kf1 g5 35.Ke2 Kg7 [35...Bc5=/+] 36.Kd3 Kf7 37.Ke4 [37.c5! Bxc5 38.Bxc5 bxc5 39.Kc4 Ke6 40.Kxc5 f5 41.gxf5+ Kxf5 42.b4 axb4 43.Kxb4 Ke6=] 37...Ke6 38.Bc1 Bc5 39.Bb2 c6 40.Ba1 Bf2 41.h3 Bc5 42.Bc3 Bd6 43.Bb2 Bc5 44.Bc3 Bd6 45.Bb2 Bc5 46.Bc3 Bd6 Game drawn by repetition 1/2-1/2

You may also like: Caro-Kann (1.e4 c6) and Queen Pawn (1.d4 d5)
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