Thursday, March 3, 2016

Sicilian Defence Dragon Rook Battle

The battle is on. I'm up for a challenge. Protej rated 2401 is available to play. I am ready. Off we go. It's a Dragon Sicilian Defence. My pieces arrive aggressively placed. Black fights back. What can I do? Aha! The hidden queen trick that I wrote about last month. That will work. Okay, so it wasn't the best move here, but it was playable. The opening was complex but equal.

Then wouldn’t you know it? I screwed up on move 29. After my misstep, White is down a pawn. Black is a high rated chess engine. Sounds hopeless, but I still had a chance. What kind of ending could I draw? I would have been happy with a bishop ending, but Black kept one set of rooks on the board. Black should have swapped down to a pawn ending when the extra pawn would have won easily.

Instead once again Black kept the rooks on the board. Where could I find an advantage? My queenside pawn majority. If only I can gain a passed pawn that kept the Black rook so busy he could not win the game.

Black should have won, because I only had 8 seconds left on my clock. The computer still had a minute. A smart human would know that I did not have time to run down from behind two connected and protected pawns, pick them off and mate the king in eight seconds. White would have lost on time,

But instead, once I got my passed pawn pushed to the seventh rank, my silicon buddy took a draw on the board by repetition. Very nice.

Sawyer (2038) - Protej (2401), ICC 3 0 u Internet Chess Club, 30.01.2016 begins 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 0-0 8.Qd2 Nc6 9.0-0-0 Nxd4 [Another way for Black to play is 9...d5 10.exd5 Nxd5 11.Nxc6 bxc6 12.Bd4 e5 13.Bc5=] 10.Bxd4 Be6 11.Kb1 Qc7 12.g4 [12.h4!+/= might be slightly better.] 12...Rfc8 13.h4 Qa5 14.Nd5!? [14.a3+/=] 14...Qxd2 15.Nxf6+ [15.Rxd2 Bxd5 16.exd5=] 15...Bxf6 16.Rxd2 Bxd4 17.Rxd4 h6 18.g5 hxg5 19.hxg5 Kg7 20.Rd2 Rh8 21.Rdh2 Rxh2 22.Rxh2 Rc8 23.a3 Rc5 24.f4 Bd7 25.Bd3 Rc7 26.Kc1 Rc5 27.Kd2 a6 28.Bf1 e5 29.Bd3? [White is fine after 29.Ke3! exf4+ 30.Kxf4 f6 31.gxf6+ Kxf6 32.Rh7 Bc6 33.Bd3=] 29...exf4 30.Rf2 Rxg5 31.Rxf4 d5 32.exd5 Rxd5 33.c4 Rd6 34.c5 Rd5 35.b4 Bb5 36.Rf3 Rd7 [Black easily wins the pawn endgame after 36...Bxd3 37.Rxd3 Rxd3+ 38.Kxd3 Kf6-+] 37.Kc3 Bxd3 38.Rxd3 Re7? [Black lets me off the hook. Correct is 38...Rxd3+ 39.Kxd3 Kf6-+] 39.a4 Kf6 40.b5 axb5 41.axb5 Kg5 42.Kc4 f5 43.c6 Kf6 44.Kc5 bxc6 45.bxc6 Kf7 46.Kb6 Re6 47.Kb7 Re2 48.c7 Rb2+ 49.Kc8 Ke8 50.Re3+ Kf7 51.Kd8 Rd2+ 52.Kc8 Rb2 53.Kd8 Rd2+ 54.Kc8 Rb2 55.Kd8 Game drawn by repetition 1/2-1/2

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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