1d4d52c4c63Nf3Nf64Nc3e65e3a66h3...6.b3Bb47.Bd2Nbd78.Bd3O-O9.O-OQe710.Qc2e511.dxe5Nxe512.Nxe5Qxe513.Nxd5Nxd514.cxd5Bxd215.Qxd2Qxd516.Rfd1Qe5and Black held
his own in Radjabov,T (2745)-Grandelius $146 (2688) Budva 20236...Nbd77Qc2b6NA novelty, and very thorough preparation by the Swedish GM.7...dxc48.a4b59.axb5cxb510.Nxb5Bb711.Nc3Rc812.Be2Bb413.O-OO-O14.Bd2which the German GM later won,
Keymer,V (2693)-Kempinski,R (2549) Bydgoszcz 20228b3Bb79Bb2dxc410bxc4Bb4\"For some reason, I checked this before the game.\" (Keymer)11a3...11.O-O-Oc512.d5exd513.cxd5Bxc314.Qxc3b515.g4Qc716.e4And nowNxe417.Qe1O-O-O18.Qxe4Rhe8with extreme complications which can easily end badly
as long as you do not know how deep the opponent dug (with his silicon miner.)11...Ba512e4...12.Be2c513.O-Ocxd414.exd4Rc8Black has comfortable play against the hanging pawns.12...c513d5exd514exd5...14.cxd5is not safe for the center after eitherQe714...b514...O-O14...b5might lead to concrete tactical problems, but after15.Be2b416.axb4cxb4White saw the nice idea17.O-O!!bxc318.Ba3!And Keymer relaxed. The attack is
indeed very strong with the black king stuck in the middle; for example,Bb6!Best, to safeguard
the king.19.Rfe1Bc520.Bd3+Kf821.Qxc3The powerful central pair as well
as the missing Rh8 provide White enough play for the piece.15Be2b516O-Obxc417Bxc4Nb618Ba2c419Rad1Re8Both players played super quickly up
to now. \"Actually, he said he had this full position even after 20.Rd4 10
minutes before the game on the laptop. I finished after 19.Rd1 when I saw some
+0.15 or +0.20 as I knew that Black might equalize if he is perfectly precise,
but it looked like the kind of position where Black takes the bigger risk.\"
(Keymer)20Rd4...20.Ng5but did not want to enter without proper preparation the position
afterh621.Nge4Nxe422.Nxe4Bxd520...h6This is apparently not
the optimal solution. White speculated that his opponent had some memories this
should be best, but could not quite figure out what to do over-the-board.20...Bxc3!21.Bxc321.Qxc3Na4(Keymer), for instance22.Qxc4Nxb223.Qb4Bxd5Nfxd5Due to the
possibility of c4-c3 to block the white dark-squared bishop, Black should be
fine, although Keymer was thinking about the development of a kingside
initiative with22.Bb1g623.Bd220...Qd6intending to meet21.Ng5withh622.Nge4Nxe423.Nxe4Qg621Rfd1...White is in control and ready for a kingside attack.21...Rc821...Qd622.Nh4!22Bb1...22.Nh4!?looks
strong with dangerous attack afterBxc323.Bxc3Nbxd524.Nf522...Qe7?Too hospitable by
her majesty...22...Bxc323.Bxc3Nbxd524.Rxd5!Bxd525.Bxf6Qxf626.Rxd5with a pleasant edge, similar to the game.22...Nbd7!as
mentioned by the German GM in order to bring more defenders to the kingside is a
must.23d6!...23.Nh4!is strong too.23...Qd7\"I was sure that the only reason I do not find a win here is I am
too stupid.\" (Keymer)24Rf4!...Clearly indicating that a mate is
in the cards. The threat of Rf4xf6 should be addressed at once.24.Rg4Bxf325.Nd5!!$4Wow $325.gxf3Kf8\"It was
not as clear as I liked it to be.\" (Keymer)26.Rg3Nbxd526.Rxg7+Kxg7?26...Kf8!!when it is Black who is winning.27.Qh7+Kf828.Qh8+Ng829.Bg7#24...Bxc3!The only chance to repel the
attack.25Bxc3...25.Rxf6Be4!25...Be426Qc1!...Keymer called himself lucky to have
this.26.Rxe4is the way with the ideaNxe427.Ne5Qa428.Qxe428.Bd4!apparently is still an edge for
White.Qxd1+29.Kh2Qxd630.Qh7+Kf8and now White believes he has
the killing Ne5-g6+ and mate, but he saw in time that the knight is pinned $1
Whereas31.Bb431.f4Rc5defends for Black.26...Nbd526...Bxb127.Bxf6Bg628.Ne5and
White dominates.27Rxd5!!...Winning material.27.Rxe4Rxe427...Nxe428.Rxd528.Bxe4Nxc329.Qxc3Nxe430.Qd4but the first player figured out he has even more.27...Nxd527...Bxb128.Bxf6is hopeless for Black.28Bxe4!...It is essential to keep the active
rook alive.28.Rxe4Rxe429.Bxe4Nxc330.Qxc3Qxd6\"It's equal.\"
(Keymer)28...Nxc328...Nxf429.Qxf4Rxe430.Qxe4Qxd631.Qg4with decisive threats.29Qxc3Qxd630g3...The white pieces are perfectly
aimed for the kingside attack, and it is quickly over.30.Rg4g631.Bc2(Fressinet)30...Qd1+31Kg2Qb3\"I completely missed this, but I was
again lucky that it was nothing.\" (Keymer)32Qd4...\"It is basically mate.\"
(Keymer)32...Qxa333Bd5...The simplest.33.Bh7+!Kxh734.Rxf7Rg835.Qe4+Kh836.Ne5Rgf8also wins after37.Qg6!!Rxf738.Nxf7+Kg839.Nxh6+Kh840.Nf7+Kg841.Ng5!33...Rc734Ne5Rf835Bxc4...35.Ng635...Qc536Qxc5Rxc537Nd7...1-0 White wins.