[Event "7th Uppsala Young Champions"]

[Site "Uppsala"]

[Date "2020.10.25"]

[Round "4.3"]

[White "Kucuksari, Kaan"]

[Black "Sorensen, Hampus"]

[Result "0-1"]

[ECO "A58"]

[WhiteElo "2384"]

[BlackElo "2393"]

[EventDate "2020.10.23"]

[EventCountry "SWE"]

{[%evp 9,96,23,28,25,25,25,34,27,28,22,12,22,33,-29,-33,-27,-39,-128,-124,-124,

-106,-179,-113,-102,-113,-118,-109,-125,-124,-389,-389,-429,-460,-706,-583,

-577,-260,-235,-39,-41,0,0,0,-41,-39,-109,-109,-109,-109,-109,-103,-103,-51,

-71,-45,-54,44,0,0,-35,0,0,0,-208,0,-305,-298,-485,0,0,0,0,0,0,577,-29981,

-29982,-29982,-29983,-29983,-29984,-29986,-29987,-29996,-29997,-29997,-29992,

-29998,-29999]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 e6 $1 6. dxe6 {

A58: Benko/Volga Gambit: Lines with 5 bxa6.} fxe6 7. Nc3 Bxa6 8. e4 {Bxa6 is

the strong threat.White is slightly better.} Bxf1 9. Kxf1 Nc6 10. Nf3 Be7 11.

e5 ({White should play} 11. g3 $1 $14) 11... Ng4 $11 {[#]} 12. Qe2 $146 ({

Predecessor:} 12. Ne4 O-O 13. h3 Ngxe5 14. Nxe5 Nxe5 15. Be3 Qb6 16. Qe2 d5 17.

Ng3 Nc4 18. b3 Nxe3+ 19. Qxe3 Bf6 20. Rc1 Bd4 {0-1 (20) Stothard,D (1431)

-D’Aragona,V (1316) IECC email 2009}) 12... Qb8 13. Bf4 (13. h3 $1 $15 Ngxe5

14. Bf4) 13... O-O $17 {[%mdl 1024] Black has strong compensation.} 14. g3 Qb7

{White must now prevent …Nd4.} 15. Ne4 (15. Kg1 $17 {might work better.})

15... Ra4 (15... Rf5 $1 $19 {[%cal Rg4e5]} 16. Kg2 Ngxe5 17. Nxe5 Nxe5) 16. b3

Nd4 17. Nxd4 Rxd4 18. Re1 {[#]} g5 $1 {[%mdl 512]} 19. Qf3 $2 {[%mdl 8192]} (

19. Kg1 $17) (19. Nxg5 Qxh1#) 19... Qa6+ $19 20. Kg2 Nxe5 $1 {[%mdl 64] Pin}

21. Qh5 (21. Bxe5 $142 Rxf3 22. Bxd4 cxd4 23. Kxf3) 21... gxf4 22. Qxe5 Qb7 (

22... f3+ $142 23. Kg1 Qa5) 23. g4 Bf6 $2 (23... Rd5 $19 24. Qc3 f3+ 25. Kg1

Rf4) 24. Qxf4 $15 Bh4 25. Qe5 Bf6 (25... Rd5 $5 26. Qc3 $8 Rf4 $11) 26. Qf4 Qd5

27. f3 (27. Rhf1 $15) 27... Bh4 $17 28. Qh6 Bxe1 29. Rxe1 Qe5 30. Re2 Rd3 $40 {

[%mdl 128] Black has some attack.} (30... c4 $17 31. bxc4 Rxc4) 31. g5 {

White wants to play Nf6+.} d6 ({Of course not} 31... Rfxf3 32. Nf6+ Rxf6 33.

Rxe5 $11) 32. Rf2 {aiming for Nf6+.} Rd5 (32... Rf7 $15) 33. h4 {White wants

to mate with Nf6+.} Qf5 $1 34. h5 Kf7 35. g6+ $1 hxg6 36. Qh7+ Ke8 37. hxg6 $2

{[%mdl 8192]} (37. Qc7 $1 $11) 37... Rd4 $1 $19 {[%cal Rd4e4] And now …Rxe4

would win.} 38. Ng3 $2 {[#]} (38. Qb7 Qxg6+ 39. Kf1) 38... Qd3 $2 (38... Rg4 $1

$19 {[%mdl 512]} 39. Qf7+ (39. fxg4 Qxf2+) 39... Rxf7 40. gxf7+ Kf8 41. fxg4

Qxg4) 39. Nh5 {Strongly threatening Ng7+.} Rg4+ 40. fxg4 {White threatens

Rxf8+ and mate.} Qe4+ {[%mdl 64] Double Attack} 41. Kh3 {Rxf8+ would kill now.}

Rxf2 $4 $11 {[%mdl 12288] Endgame KQR-KQN} (41... Qh1+ $11 {and Black is okay.}

42. Rh2 Rf3+ 43. Ng3 Qe1 44. Qh8+ Kd7 45. Qh7+ Ke8 46. Qh8+ Kd7 47. Qh7+ Ke8)

42. Ng3 $4 {[%mdl 8192]} (42. Ng7+ $18 Kd7 43. Nf5+ Kc6 {[#]} 44. Qb7+ $1 {

[%mdl 576] Deflection, Decoy} Kxb7 45. Nxd6+ {[%mdl 64] Double Attack} Kb6 46.

Nxe4) 42... Qg2+ {Black mates.} 43. Kh4 Qh2+ 44. Kg5 Qxg3 45. Qh8+ Rf8 46. Qh5

Qf4+ 47. Kh4 Qf6+ 48. Kg3 Qf2+ {[%mdl 64] Double Attack. Av CentiPawn Loss

W=-57/B=-50. Weighted=-78/-68} 0-1

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