Reports May 12, 2018 | 7:46 PMby Colin McGourty

Tan Zhongyi strikes for 5th decisive game in a row

Tan Zhongyi beat Ju Wenjun in 6 hours and 125 moves in Game 6 of the Women’s World Championship match and now trails by only a point with four games to go. That means only the first game of the match has been drawn, with the players alternating wins since Game 3. The latest encounter saw Tan Zhongyi willing to sac a pawn in the middlegame, but Ju Wenjun turned down the offer, lost the initiative and blundered away a pawn in time trouble. The conversion wasn’t easy, but Tan Zhongyi eventually made it just before the 50-move rule could save Ju Wenjun.

Tan Zhongyi picked up her second win to keep the match alive | photo: Gu Xiaobing, official website

After Game 5 the action shifted from Ju Wenjun’s home city of Shanghai to Tan Zhongyi’s Chongqing. You can make that 1500+ km trip west on a leisurely 9-day cruise along the Yangtze River, but the players no doubt flew, since they had just one extra rest day before the start of the second half of the match. 

The Women's World Championship was on the move | photo: Chinese Chess Federation

The travel didn’t dampen the players’ aggressive spirits:

The photographers were out in force for the first game in the new venue  | photo: Gu Xiaobing, official website

All smiles before another fiercely contested game | photo: Gu Xiaobing, official website

Game 6 saw Ju Wenjun open with the Catalan as she had in Game 3, an encounter which had seen Tan Zhongyi collapse with a second loss in a row after playing the terrible 14…g5?? This time round she came prepared, though, varying with 4…Bb4 instead of 4…dxc4 and reaching a perfectly playable middlegame. The mystery of the game, though, came when she played 18…Bd7!?

Gu Xiaobing for the official site records that Ju Wenjun said she “didn’t see” the option of 19.Qxb7, simply taking a pawn here. That sounds unlikely, but would explain why the women’s no. 2 took a mere 3 minutes and 23 seconds to play 19.Qc3!? instead. Tan Zhongyi had seen the pawn grab but felt she would have compensation and wanted a fight. That actually looks a fair assessment, since for instance after 19…Rae8 20.Qxa7!? (20.Qb4! is the computer’s move) 20…Nc4! it’s already White who has to play precisely to avoid trouble.

Ju Wenjun missed her chance to pick up material in return for the difficulties that in any case followed  | photo: Gu Xiaobing, official website 

In the game the black queenside pawns soon began to roll and the initiative was firmly in Black’s favour, with Ju Wenjun’s problems compounded by time trouble. The crunch came on the final move before the time control, when 39…Re6!? caused Ju to panic:

The threat of a rook coming to e2 isn’t what you want with a minute left on your clock, and Ju failed to coolly calculate that after 40.f4! Qd6 she had 41.Rc1! and 41…Re2 could simply be met by 42.Rc2. Instead she played 40.Bf1? with just 8 seconds remaining on her clock, leaving her in a heavy-piece ending a pawn down after 40…Qxf3 41.Bxa6 Rxa6.

Tan Zhongyi tortured her opponent for hours | photo: Gu Xiaobing, official website

The players disagreed afterwards, with Tan Zhongyi feeling that her best chances would be with queens on the board, while Ju Wenjun was more worried about the rook-only ending. That uncertainty is one reason it took until move 64 for rooks to come off the board, while the only pawn move in the last 85 moves of the game was 78…f5:

It seems this position should be drawn, but it was a tough ending to play on increment in a World Championship match, and gradually Black’s king made a decisive infiltration into the position. 125…Qf1+ was the final touch:

Perhaps more in hope than conviction Ju Wenjun inquires if she can claim a draw by the 50-move rule | photo: Gu Xiaobing, official website

Ju Wenjun now had no choice but to exchange queens into a lost pawn ending, but she tried one final resource – calling the arbiter over to claim a draw by the 50-move rule! That’s the rule that allows you to claim a draw if neither player has pushed a pawn or captured a piece in 50 moves. Since move 78 only 47 moves had passed, though, so there was nothing left to do but resign.

Tan Zhongyi's win will have delighted her local fans and sponsors | photo: Gu Xiaobing, official website

Tan Zhongyi is therefore right back in the match, but she needs to end the sequence of alternating wins soon!

Game 7 is on Sunday, 13 May and you can follow the action here on chess24 from 09:30 CEST.

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