Shakmaty Bereolos - The Official Chess Site of Peter Bereolos

White: FM Peter Bereolos
Black: GM Alexander Ivanov
Land of the Sky XXXI, 2018
Round 2 Board 3

1.d4 d6 2.e4 Nf6 3.Nc3 c6 4.f4 Qa5 5.Bd3 e5 6.Nf3 exd4 7.Nxd4 g6 8.Nb3 Qc7 9.0-0 Bg7 10.Qe1 0-0 11.Qh4 h6!?

A novelty in this position, where White had previously scored huge in the database (+5 =1 -0). Black weakens the kingside, but otherwise White has easy play after f5 and Bh6 12.Kh1 Now 12.f5 is met by 12...g5 and it is hard for White to make progress on the kingside. The engine likes blasting through the center with 12.e5!? dxe5 13.fxe5 Qxe5 14.Bxh6 with perhaps a small advantage to White. 12...Nbd7 13.Bd2 b5 14.Rae1

Bereolos-Ivanov

14...b4 15.Nd1 a5 16.e5 Nd5 17.e6 N7b6 18.Qg3 the computer likes 18.f5 g5 19.Qh3 but it is still hard for White to make progress 18...f5 19.Qxg6 Ne7 20.Qh5 c5 21.Rf3 c4 22.Rg3 Kh7 23.Be3 cxd3 24.Rxg7+! Kxg7 25.Bd4+The bishop is the undisputed ruler of the dark squares and most of the Black piecs are still undeveloped 25...Kh7

26.Re3 White should win bringing in another attacker, but the variations are very difficult to calculate. 26.Nf2! Nbd5 (26...dxc2 27.Nh3 Nbd5 28.Ng5+ Kg8 29.Qxh6 Nf6 30.Bxf6 Rxf6 31.Qxf6) 27.Nh3 Nf6 28.Ng5+ Kg7 29.Nf7 Bxe6 30.Bxf6+ Kxf6 31.Nxh6 Kg7 32.Nd4 26...dxc2 27.Qxh6+ because the knight is hanging with check, White doesn't have time to bring the rook into the attack and has to bail out with a perpetual. I could have tested him for one more move with 27.Nc3!? but then 27...Qc4 threatens mate on f1, so again it is a draw with 28.Qxh6+ 27...Kxh6 28.Rh3+ Kg6 29.Rg3+ Kh5 30.Rh3+ Kg4 31.Nf2+ Kxf4

Despite his normal time pressure, he didn't hesitate to march his king into the fire and grab this pawn. I looked for awhile here to see if there was anything better than a perpetual, but there isn't. 32.Rf3+ Kg5 33.Rg3+ Kh5 If he goes back again, White has one other try after 33...Kf4 34.Nc1 but Black covers the mating squares with either 34...Ba6 or 34...Qc4 34.Rh3+ 1/2-1/2

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