Greet-Olson, Ayr, 2019, 0-1
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1.d4 Nf6 2.c4 e6 3.Nf3 a6 4.Nc3 d5 { An interesting line used as a surprise weapon by e.g. Carlsen Andrew thought for a relatively long time here. } 5.cxd5 exd5 6.Bf4 Bd6 7.Bg3 O-O 8.e3 Bf5 9.a3⁉ Re8 10.Bd3 Bxd3 11.Qxd3 Ne4 ( 11...c6 this might be a more solid way to play ) 12.Bh4 Be7 13.Nxe4 Bxh4 14.Nc5 b6 15.Na4 Be7 { I have a potentially strong bishop but lose a lot of time } 16.O-O Bd6⁈ ( 16...Nd7 this is more sensible ) 17.Nc3 Nc6 18.Rac1 ( 18.Nxd5 Bxh2+ 19.Kxh2 Qxd5 20.Rh1⁉ who knows what's going on here ) 18...Re6 { trying a bit too hard to play for a win although it does ask some questions at least } 19.Rc2 ( 19.e4 dxe4 20.Nxe4 Bf4 21.Rcd1 ; 19.g3⁉ followed by e4 should be good for white. ) 19...Rh6 { threatening Bxh2+ } 20.h3 { perfectly fine but there were other alternatives. } ( 20.e4? dxe4 21.Nxe4 Nxd4−+ ; 20.g3 Engine's first choice. Like Sadler talks about in Chess For Life in the chapter on Keith Arkell, this is usually the right luft to choose, especially if black has an unopposed dark-squared bishop. Can understand Andrew not choosing this when I have a rook on h6 but computer has no fear! ; 20.h4⁉ Very cool and almost as highly rated as g3 (around 0.7) ) 20...Ne7 21.Rfc1 Qd7 22.b4 ( 22.Ne5⁉ ) 22...Rg6 ( 22...f6⁈ 23.e4 ; 22...c6 ) 23.Ne2 ( 23.Ne5⁉ This is probably an easier route to advantage than the game move 23...Bxe5 24.dxe5 ) 23...f6 { very committal but also in the spirit of how I have played earlier. Now it's a bit difficult to play for white. } ( 23...Qb5⩲ This wasn't really what I was looking for on that day ) 24.Kf1 ( 24.Nf4⁉ The computer gives a 0.5 eval with this line 24...Rh6 25.Nh2 Rh4 26.Ng4 Make of this what you will! ) 24...Kh8⁉ 25.Qb3⁈ { White has drifted a bit the last couple of moves. } 25...Rh6⁉ 26.Nf4 g5 27.Nd3 Re8 28.Nde5 ( 28.Ke2⁉ The computer suggests this and gives +0.1 for white. I think I'd feel a lot more comfortable as black though but I'm a coward! ) 28...Qe6⁉ ( 28...fxe5 Is pretty unclear, I think the computer thinks that it's a perpetual but I haven't checked it too carefully 29.dxe5 g4 30.hxg4 Bxb4= ) 29.Nc6⁇ ( 29.Ng4 Rg6 30.e4□ Instructive - meeting kingside attack with play in the middle like they say in the textbooks. 30...Qxe4 31.Re1 Qf5∞ ) 29...Ng6! { The position has gone from highly unclear to completely lost for white in one bad decision (made in time trouble). The knight on c6 looks amazing but is simply cut off from play and black has EVERY piece pointing at white's king - attacking ratios and all that. } 30.e4 { This would be the right move if there was one } 30...Rxh3 { This is just counting } 31.gxh3 Qxh3+ 32.Ke1 Rxe4+ 33.Re2 ( 33.Kd2 Bf4+ 34.Kc3 Qxf3+ 35.Kb2 Bxc1+ check ) 33...Qh1+ 34.Kd2 Bf4+ 35.Re3 Qxf3 36.Re1 Qxf2+ 37.Re2 Rxe3 { Immediately afterwards I had no clue what had happened in the game but Andrew summarised it nicely, saying that I had probably been worse for most of the game but had co-ordinated it really well. } 0-1
[Event "2019"]
[Site "Ayr"]
[Date "?"]
[Round "?"]
[White "Andrew Greet"]
[Black "Hamish Olson"]
[Result "0-1"]
[ECO "E10"]

1.d4 Nf6 2.c4 e6 3.Nf3 a6 4.Nc3 d5
{ An interesting line used as a surprise weapon by e.g. Carlsen Andrew
thought for a relatively long time here. } 5.cxd5 exd5 6.Bf4 Bd6 7.Bg3 O-O
8.e3 Bf5 9.a3 $5 Re8 10.Bd3 Bxd3 11.Qxd3 Ne4 ( 11...c6
{ this might be a more solid way to play } ) 12.Bh4 Be7 13.Nxe4 Bxh4 14.Nc5 b6 15.Na4 Be7
{ I have a potentially strong bishop but lose a lot of time }
16.O-O Bd6 $6 ( 16...Nd7 { this is more sensible } )
17.Nc3 Nc6 18.Rac1 ( 18.Nxd5 Bxh2+ 19.Kxh2 Qxd5 20.Rh1 $5
{ who knows what's going on here } ) 18...Re6
{ trying a bit too hard to play for a win although it does ask some
questions at least } 19.Rc2 ( 19.e4 dxe4 20.Nxe4 Bf4
21.Rcd1 ) ( 19.g3 $5 { followed by e4 should be good for white. } ) 19...Rh6
{ threatening Bxh2+ } 20.h3
{ perfectly fine but there were other alternatives. } ( 20.e4 $2 dxe4 21.Nxe4
Nxd4 $19 ) ( 20.g3
{ Engine's first choice. Like Sadler talks about in Chess For Life in the
chapter on Keith Arkell, this is usually the right luft to choose,
especially if black has an unopposed dark-squared bishop. Can understand Andrew not choosing this when I have a rook on h6 but computer has no fear!
} ) ( 20.h4 $5 { Very cool and almost as highly rated as g3 (around 0.7) } )
20...Ne7 21.Rfc1 Qd7 22.b4 ( 22.Ne5 $5 ) 22...Rg6 ( 22...f6 $6
23.e4 ) ( 22...c6 ) 23.Ne2 ( 23.Ne5 $5
{ This is probably an easier route to advantage than the game move }
23...Bxe5 24.dxe5 ) 23...f6
{ very committal but also in the spirit of how I have played earlier. Now
it's a bit difficult to play for white. } ( 23...Qb5 $14
{ This wasn't really what I was looking for on that day } ) 24.Kf1 ( 24.Nf4
$5 { The computer gives a 0.5 eval with this line } 24...Rh6 25.Nh2 Rh4
26.Ng4 { Make of this what you will! } ) 24...Kh8 $5 25.Qb3 $6
{ White has drifted a bit the last couple of moves. } 25...Rh6 $5 26.Nf4 g5
27.Nd3 Re8 28.Nde5 ( 28.Ke2 $5
{ The computer suggests this and gives +0.1 for white. I think I'd feel a
lot more comfortable as black though but I'm a coward! } ) 28...Qe6 $5 ( 
28...fxe5
{ Is pretty unclear, I think the computer thinks that it's a perpetual but
I haven't checked it too carefully } 29.dxe5 g4 30.hxg4 Bxb4 $10 ) 29.Nc6 $4
( 29.Ng4 Rg6 30.e4 $7
{ Instructive - meeting kingside attack with play in the middle like they
say in the textbooks. } 30...Qxe4 31.Re1 Qf5 $13 ) 29...Ng6 $1
{ The position has gone from highly unclear to completely lost for white in
one bad decision (made in time trouble). The knight on c6 looks amazing but
is simply cut off from play and black has EVERY piece pointing at white's king - attacking ratios and all that. }
30.e4 { This would be the right move if there was one } 30...Rxh3
{ This is just counting } 31.gxh3 Qxh3+ 32.Ke1 Rxe4+ 33.Re2 ( 33.Kd2 Bf4+
34.Kc3 Qxf3+ 35.Kb2 Bxc1+ { check } ) 33...Qh1+ 34.Kd2 Bf4+ 35.Re3 Qxf3
36.Re1 Qxf2+ 37.Re2 Rxe3
{ Immediately afterwards I had no clue what had happened in the game but
Andrew summarised it nicely, saying that I had probably been worse for most
of the game but had co-ordinated it really well. } 0-1