[Event "Hasselbacken Open 2021"] [Site "Stockholm"] [Date "2021.11.05"] [Round "4.2"] [White "Pantzar, Milton"] [Black "Bellon Lopez, Juan Manuel"] [Result "1-0"] [ECO "A56"] [WhiteElo "2441"] [BlackElo "2326"] [Annotator "TA"] [PlyCount "69"] [EventDate "2021.11.05"] [EventType "swiss"] [EventCountry "SWE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,69,32,48,4,26,21,28,33,35,22,26,-30,6,-43,31,15,47,59,81,82,85,85,92, 87,92,79,97,96,110,108,110,99,96,90,258,169,260,216,534,227,456,200,458,473, 452,469,565,405,483,325,656,822,768,739,1303,1277,29987,29988,29986,6616,6004, 3592]} 1. d4 Nf6 2. c4 a6 3. Nc3 c5 4. d5 b5 5. Qc2 b4 6. Nb1 {[#] A56: Czech Benoni.} e5 $146 ({Predecessor:} 6... d6 7. e4 g6 8. Be2 Bg7 9. Nf3 O-O 10. O-O a5 11. h3 a4 12. Be3 a3 13. bxa3 Nxd5 14. cxd5 Bxa1 15. axb4 cxb4 {1-0 (65) Martirosyan,H (2622)-Gabuzyan,H (2557) Tornelo INT 2021}) 7. e4 d6 8. Bd3 { White has an edge.} Be7 9. Nf3 O-O 10. a4 ({White should try} 10. Qd1) 10... a5 (10... Nxe4 $5 11. Bxe4 f5 $11) 11. b3 {[#]} Bg4 ({Better is} 11... Nxe4 $1 $15 12. Bxe4 f5) 12. Nbd2 Nbd7 13. h3 Bxf3 14. Nxf3 Nh5 15. g3 g6 16. Bh6 Re8 17. O-O-O Bf8 18. Bd2 Qe7 19. Rde1 Bg7 20. h4 Qf8 21. Kb1 f5 $2 {This costs Black the game.} (21... Nhf6 $16) 22. Ng5 {[%cal Re4f5]} fxe4 (22... f4 $142 23. Ne6 Rxe6) 23. Bxe4 $18 {aiming for Nxh7!} ({Not} 23. Nxe4 Ndf6 $16) 23... Qxf2 $2 ( 23... Ndf6 {is more resistant.} 24. Bg2 Kh8) 24. Rhf1 (24. Ref1 $142 Qd4 25. Nf3 Qxe4 {[%mdl 64] Decoy} 26. Qxe4 Nxg3 27. Qg4 Nxf1 28. Qxd7) 24... Qxg3 {[#] } (24... Qh2) 25. Nxh7 $1 {[%mdl 512]} Nf4 $2 {[#]} (25... Kxh7 {keeps fighting.} 26. Rg1 Qh2) 26. Rg1 $1 Qf2 ({Of course not} 26... Qxh4 27. Rh1 $1 $18) 27. Bxg6 Re7 28. Bf5 e4 {intending ...Ne2.} 29. Bxd7 Qd4 {[#]} (29... Kxh7 30. Bf5+ Kh8) 30. Rxg7+ $1 Rxg7 31. Bxf4 Rxh7 32. Be6+ Kf8 33. Bxd6+ Ke8 34. Qxe4 (34. Rxe4 $142 Qh8 35. Bxc5 Qf6 36. Bh3+ Kd8 {[#]} 37. Re8+ $3 {[%mdl 576] Discovered Attack} Kxe8 38. Qxh7 Qf1+ 39. Bxf1 Ra7 40. Qxa7 Kd8 41. Qb8+ Kd7 42. Bh3#) 34... Qxe4+ 35. Rxe4 {Weighted Error Value: White=0.53/Black=0.87} 1-0