Otago Daily Times

Blitz boys’ battle

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WHAT happens when two GMs with big personalit­ies and even bigger egos meet over the chessboard? Great spectator chess. This is the summary of an encounter between the two strong GMs: Norwegian Jon Ludvig Hammer (2631) and Canadian Eric Hansen (2629). Hammer acted as Magnus Carlsen’s main second for his 2013 World Chess Championsh­ip match against Anand, which Carlsen won 6.53.5. Hansen is well known for his blitz and especially bullet chess prowess, sitting among the world’s best. This rapid game was played on June 26 last year, as part of the qualifiers for the 2018 Chess.com Speed Chess Championsh­ip.

1 d4 Nf6

2 c4g6

Hansen goes into the King’s Indian Defence (KID).

3 g3 Bg7

4 Nf3 d5

Hansen transposin­g into a NeoGrunfel­d Defence.

5 cxd5 Nxd5

Hammer chooses the Exchange Variation.

6 Bg2 OO

7 OO

From 2477 Master’s games in the Chess.com database, the move 7 OO offers 40% White wins,

38% draw, 21% Black wins.

7 —Nc6

8 Nc3 Nb6

9 e3

Defending d4 and adopting a calm flexible setup. This is better than 9 d5 Na5, 10 Qc2 (10 b4? Bxc3) c6, 11 dxc6 (11 b4? Nd5! where the tactics are working for Black) Nxc6, where Black is very comfortabl­e. 9 —Re8

10 a3 a5

11 Qc2

Planning Rd1 and to expand in the centre.

11 —a4

Trying to clamp down on White and with ideas of Na5—>b3.

12 Rd1 Be6??

Hansen, clearly out of his preparatio­n, makes an uncharacte­ristically basic tactical error.

13 d5!

Exploiting the resulting pin against the queen on the dfile!

13 — Nxd5

14 Ng5

Also good was the simple

14 e4 Ndb4, 15 axb4 Nxb4 (15 — Bb3, 16 Rxd8 Raxd8, 17 Qe2, crushing for White), 16 Qe2. Maybe Hammer didn’t go for this out of complicati­ons surroundin­g Bxc3 bxc3, where Black gets counterpla­y with the passed apawn.

14 — Bf5

15 e4! Nxc3

Hansen can’t simply trade down into a losing endgame. He takes a more practical approach and complicate­s matters by sacrificin­g his queen for a rook.

16 Rxd8 Rexd8

17 bxc3 Bd7

18 Bf4 e5

Hammer does a great job of provoking Hansen to close the centre by threatenin­g the c7 pawn. 19 Be3 h6

20 Nf3 Be6

21 Nd2 Na5

22 Rb1 b6

23 Bf1 Bf8

24 Rb4! Nb3

If 24 — Bxb4 then 25 cxb4 Nb3, 26 Nf3 and Black will break down with no more fuel in the tank.

25 Nf3 f6

26 Bb5 c5

27 Rxa4 c4

Threatenin­g 28 — Rxa4, 29 Bxa4 Ra8, 30 Bb5 Rxa3 with activity. 28 Rxa8! Rxa8

29 a4

10

Sadly, neither player qualified for the 2018 SCC, of which Hikaru Nakamura was the clear winner.

Solution: 1 Qxe5+! Kd8

(1 — Nxe5, 2 Nf6#! Also, 1 . . . Qe6, 2 Qh8+ Nf8, 3 Qxf8#), 2 Be7+ Ke8, 3 Nd6#. This is one of my favourite mateinthre­e problems. Each piece in the white camp works in tremendous harmony with the others, converging on and covering important attacking and escaping squares respective­ly.

 ??  ?? Today’s puzzle comes from the game J.L. Hammer v Bo Garner Christense­n, Borup, 2008. White to move and mate in three.
Today’s puzzle comes from the game J.L. Hammer v Bo Garner Christense­n, Borup, 2008. White to move and mate in three.

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