Thursday, 22 February 2018

The Run Continues

Aberystwyth has dominated the league so far this season, and the run continued against Cardigan B on Wednesday 7 February at the Emlyn Cafe, Tanygroes. The top two games were both positional crushes. Against Tony Haigh, Rudy van Kemenade dominated the centre with his Bird's Opening, eventually pushing his e- and d-pawns through for a decisive advantage. Adam Watkin-Jones achieved something similar with Black, setting up camp in the heart of Joshua Brewer's position and leaving him no space to defend in. Julie van Kemenade's Ruy Lopez against Ben Brewer was much more double-edged, with some complicated tactics, but she thrives on such positions, and her attack won out in the end. Georgina Gray also enjoys attacking, but this time the attack abruptly switched over after she won the exchange, and it was Awne Osinga who made all the running from then on, reaching a winning ending when things calmed down. A 3-1 win for Aberystwyth.

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1.f4 d5 1...Nf6 2.Nf3 d6 2...d5 3.g3 c5 4.Bg2 Nc6 5.d3 e6 6.0-0 Bd6 7.Qe1 0-0 8.e4 Van Kemenade-Haigh, Dyfed Closed 2012,1-0 3.g3 Nc6 3...g6 4.Bg2 Bg7 5.d3 0-0 6.0-0 c5 7.c4 Bd7 8.h3 Bc6 9.Nc3 a6 10.e4 Van Kemenade-Haigh, Dyfed Closed 2009,1-0 4.Bg2 g6 5.d3 Bg7 6.0-0 0-0 7.c4 Re8 8.Nc3 e5 9.h3 Van Kemenade-Haigh, Dyfed Closed 2006,1-0 2.Nf3 g6 3.g3 3.e3 Bg7 4.Be2 c5 5.d4 Nd7 6.0-0 Ngf6 7.Nc3 0-0 8.Ne5 e6 Hammett-Haigh, Dyfed League 2017,1/2-1/2 3...Bg7 4.Bg2 Nf6 4...c5 5.d3 Nh6 6.0-0 Nf5 7.c3 d4 8.Qe1 Nc6 9.Na3 0-0 van Kemenade-Haigh,Dyfed League 2012,1/2-1/2 4...c6 5.0-0 Nd7 6.d4 Ngf6 7.Ne5 Ne4 8.Nd2 Nd6 9.e4 dxe4 10.Nxe4 Nxe4 11.Bxe4 Qb6 12.Kh1 Van Kemenade-Marusenko, S Wales International 2007,1-0 5.d3 5.0-0 5...c6 6.0-0 Qb6+ the Q is actually misplaced here, & later retreats 6...0-0 main 7.e3 Ng4 another piece on an exposed square, trying to force a concession from Wh, d4, that is no real hardship 7...0-0 8.Qe2 Nbd7 9.Kh1 Re8 10.Ne5 Qc7 11.d4 Ne4 12.Bxe4 dxe4 13.Nc3 f5 14.Qc4+ e6 15.g4 Nb6 16.Qb3 Bxe5 17.fxe5 Kg7 18.Bd2 Qe7 19.Be1 Van Kemenade-Bridges, WLS ch, Cardiff 2015,1/2-1/2 8.d4 0-0N 8...Nd7 9.h3 Ngf6 10.Nbd2 c5 11.c3 0-0 12.Ne5 e6 13.g4 Van Kemenade-Braithwaite, Bradford League 2003,1-0 8...h5 main, eg 9.Nc3 Nd7 10.b3 Ndf6 11.Qe2 Nh6 12.a4 a5 13.Ba3 Nf5 14.Ne5 Be6 15.Rad1 Van Mil-Hommeles, NED ch tm 1998,1-0 9.Qe2 9.h3 9...Nd7 9...Qa6!? 10.c4 dxc4 initial idea by Komodo11, but begins the porocess of ceding the centre to Wh 10...Qa6 11.b3 Nh6 12.Bb2 Nf5 13.Nbd2 Nf6 14.Ne5 h5 15.e4 dxe4 16.Nxe4 Nxe4 17.Qxe4 Komodo11 11.Qxc4 Ndf6 11...c5!? 12.Nc3 12.h3 Nh6 13.g4 Ne4 14.Nc3 Nd6 15.Qe2 f5 16.g5 Nhf7 17.b3 Komodo11, considered by Wh 12...Be6 another attacking move but this 3rd Bl piece is later shown to be on an unstable post 13.Qe2 Nd5 14.Ng5?! a good strategic move, threatening to win the g4 N,but Komodo11 exposes a tactical flaw 14.h3 is the safe way, keeping control over d4. Nxc3 15.bxc3 Nf6 16.e4 Qa5 17.Ng5 17.Bd2 Qa4 18.Ne5 Nh5 19.Qe3 17...Qxc3 18.Nxe6 Qxa1 19.Nxf8 Rxf8 20.Be3 Qc3 21.Rb1 Rb8 22.Kh2= Komodo11, Wh's space advantage , central pawn mass & 2 Bs ; compensates for the pawn down, but no more 14...Nxc3 14...Ndxe3! Komodo11 15.Nxe6 15.Bxe3 Nxe3 16.Nxe6 fxe6 17.Rf3 17.Qxe3? Bxd4 17...Bxd4 18.Kh1 e5-+ 15...fxe6 16.Kh1 Bxd4 16...Nxf1 17.Qxe6+ Kh8 18.Qxg4 Nxg3+ 19.hxg3 Rad8= 17.Re1 Nxg2 18.Kxg2 Nh6 19.Qxe6+ Kh8 20.Qb3 Nf5 21.Qxb6 Bxb6 22.g4 Nh4+ 23.Kh3 Rad8 24.Re4 Nf3 25.Rxe7 Bc5 26.Re6 Rd3 27.Kg2 Nh4+ 28.Kh1 28.Kf1 Rf3+ 29.Ke2 Rh3-+ 28...Bd4 29.Re1 Kg7 Komodo11- although material is level, Wh has great difficulty developing his Q side 15.bxc3 Wh now has a powerful central pawn mass Bd7 16.Ba3 h6 Bl is wary of threats to f7, but h6 does create some other K side targets 16...Qa5 17.Bb4 Qd8 18.e4 Nf6 19.a4± 19.f5 h6 20.fxg6 hxg5 21.gxf7+ Rxf7 22.e5 Nh7 23.Rxf7 Kxf7 24.Qh5+ Kg8 25.Be4 Nf8 26.Rf1 Be6 27.Qxg5 Komodo11, gives Wh excellent play for the piece a, especially since the Bl QR is miles out of play 17.Nf3 17.Ne4 Qb5 18.Qd2 Qh5 19.h3 Nf6 20.Nf2 Rfe8 21.c4± also looks promising for Wh- Komodo11 17...Rfe8 18.e4 Nf6 the N feels exposed and starts a long march of retreat 19.h3 not allowing Bl Bg4, which eases the lack of space for the Bl pieces a little bit Qc7 20.c4 Rad8 21.e5 21.Bb2!? 21...Nh5 21...Nh7 may be less disruptive 22.Nd2± 22.Kh2 Bf8 23.Nd2 23.Bb2 is preferred by Komodo11 23...e6 trying to ease congestion, Wh is happy to try & infiltrate of f6 24.Bxf8 24.Bb2!+- Komodo11, keeping pieces on,; sooner or later d5 of f5 will open up the position for the Wh pieces, especially the Bs Be7 25.g4 Ng7 26.Ne4 Rf8 27.Nf6+ Bxf6 28.exf6 Ne8 29.Ba3+- 24...Rxf8 25.g4 25.Ne4+- Bc8 26.g4 Ng7 27.Rad1 27.Nf6+ Kh8 28.d5 cxd5 29.cxd5 exd5 30.Qe1 Ne8 31.Nxd5 Qc4 32.Rc1 Qxa2 33.Rf2 Qa3 34.f5+- is another way in 27...Ne8 28.c5 Qa5 29.Qf2 Kh7 30.Nd6+- the Bl pieces have virtually deserted their K, & Wh can open the position at leisure. Komodo11 lines, with other possibilities as well. 25...Ng7 26.Ne4 Ne8 27.Qe3 27.Qf2 Komodo11, both aim at h6 27...f5 Bl needs space, but there are other possible open lines now 28.gxf5+- exf5 28...gxf5 leads to instant disaster on the g file 29.Qg3+ Kh7 29...Ng7 30.Nf6+ Rxf6 30...Kf7 31.Rg1 Rg8 32.Bf3 Be8 33.Bh5+ Nxh5 34.Qxg8+ Ke7 35.Nxh5 Kd7 36.Rg7++- 30...Kh8 31.Qg6+- 31.exf6 Be8 32.Bf3 Rxd4 33.Rad1+- Komodo11 28...Rxf5 29.Ng3 Ng7 29...Rf7 30.Be4 Rg7 31.Rg1+- Wh can just double on the g file 30.Be4 Kh7+- giving up the exchange may stop the flow of the attack for a little while 29.Nc5 eyeing e6 & threating to win a R ( perhaps) with e6-e7 29.Nc3 Ng7 30.d5 should also work 29...Ng7 30.d5 Kh7 31.e6 31.Nxd7 Komodo11 goes pawn hunting, but the N must be superior to the B , which is itself a target Qxd7 32.Qxa7 g5 33.Qe3+- 31.d6 Qc8 32.Rfb1 b6 33.Nxd7 Qxd7 34.c5 b5 35.a4 Komodo11, alternative, but why let the N have a good square on e6? 31...Rde8 32.Qd4 32.d6 Qxd6 33.Rad1 Qxd1 33...Qc7 34.Rxd7 34.Rxd1 Bxe6 35.Nxe6 Rxe6 36.Qxa7+- Komodo11 32...Bc8 32...Bxe6 Bl's best bet; Iolo & Komodo11; however Bl is then just a B down with no attacking prospects before a lost endgame 33.dxe6 Nxe6 34.Nxe6 Rxe6 35.Rae1 Ree8 35...Rd6 36.Qxa7 Rd2 37.Qc5 Rf7 38.Rf2 Rd8 39.Re5 and its the Bl K that is still exposed 33.d6 the central pawn mass will win a R, either immediately or in the near future 1–0
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WhiteEloWBlackEloBRes
Van Kemenade,R2015Haigh,A19281–0
Brewer,J1417Watkin-Jones,A19570–1
Van Kemenade,J1740Brewer,B13641–0
Osinga,A1361Gray,G13041–0