[Event "CL/2021/C9"] [Site "ICCF"] [Date "2021.11.01"] [Round "?.3"] [White "Konstantinov, Maxim"] [Black "Vosselman, Jan M."] [Result "1-0"] [ECO "A07"] [WhiteElo "2415"] [BlackElo "2221"] [PlyCount "85"] [Beauty "7495254849072"] [EventDate "2021.??.??"] [EventType "corr"] [WhiteTeam "The 4 Musketeers"] [BlackTeam "64for4"] {[%evp 10,85,63,0,6,0,0,3,20,-13,-13,-28,0,-22,-21,-27,-28,-26,-35,-41,0,-28,-20,-21,0,-27,6,0,27,20,92,98,254,237,284,284,275,256,392,358,402,393,374,394,403,376,393,398,409,398,712,682,784,749,854,831,876,869,860,866,855,804,788,759,1194,1062,1555,1524,2290,791,2185,1848,1976,1674,2221,2167,1866,1619]} 1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. O-O Bf5 5. d3 h6 6. Nc3 {[%eval 6,30]} (6. c4 $14 {[%eval 63,25]}) 6... e6 $11 {A07: Réti Opening: New York and Capablanca Systems.} 7. Nd2 Be7 8. e4 Bg6 {[#] The position is equal.} 9. e5 $146 ({Predecessor:} 9. f4 O-O 10. Qe2 Nbd7 11. e5 Qb6+ 12. Kh1 Ne8 13. g4 Bh7 14. Nf3 Nc7 15. Bh3 {½-½ Konstantinov,M (2435)-Fourie,M (2369) Sanchez Memorial A5 email 5th ICCF email 2018}) 9... Nfd7 {[%tqu "En","","","","f2f4","",10]} 10. f4 O-O (10... c5 $5) 11. g4 Bh7 12. Nf3 c5 13. Ne2 Nc6 14. Kh1 a5 {[%eval 0,26]} (14... b5 $15 {[%eval -41,22]}) 15. Ng3 a4 16. Qe2 Qc7 17. Be3 {Repels Nd4} b5 18. Rae1 a3 19. b3 Nb4 {[%eval 92,22]} (19... Rae8 $11 {[%eval 20,26] keeps the balance.}) {[%tqu "En","","","","f4f5","",10]} 20. f5 $1 $16 {And now Qd2 would win.} (20. Ra1 $6 f6 $15) 20... Nxa2 $2 {[%eval 254,23] Black cannot hold the game after this.} (20... c4 $16 {[%eval 98,20] is a better defense.}) {[%tqu "En","","","","g3h5","",10]} 21. Nh5 $1 $18 {[%CAl Oe3h6] aiming for Bxh6!} exf5 (21... Nxe5 22. Bf4 Bd6 23. Nxe5 (23. Bxe5 Bxe5 24. Nxe5 Rad8 $18)) 22. gxf5 Bxf5 {[%CAl Of5g4] Threatens to win with ...Bg4!} (22... Nxe5 23. Bf4 Nc3 24. Qxe5 (24. Bxe5 Nxe2 25. Bxc7 a2 $18) 24... Qxe5 25. Bxe5 $18) {[%tqu "En","","","","h5g7","",10]} 23. Nxg7 $1 Kxg7 {[%eval 392,26]} (23... Bg4 {[%eval 256,24] keeps fighting.}) {[%tqu "En","","","","e3h6","",10]} 24. Bxh6+ $1 {[%mdl 512]} Kxh6 {[%CAl Bg7h6,Bh6h7,Bh7g8][%mdl 32]} {[%tqu "En","","","","f3d4","",10]} 25. Nd4 $1 {[%csl Od5,Of5][%mdl 576] [#] Discovered Attack} cxd4 26. Rxf5 {[%CAl Bf1f5,Bf5e5,Be5e7,Be7e8][%mdl 32]} Nxe5 27. Rxe5 {Rh5+ would kill now.} Ra6 {Strongly threatening ...Bg5.} {[%tqu "En","","","","e2d2","",10]} 28. Qd2+ (28. Rxe7 Qf4 29. Re5 (29. Bxd5 Nc3 $17) 29... Rg6 $11) 28... Kh7 {[%CAl Oa6h6] Hoping for ...Rh6!} {[%tqu "En","","","","g2h3","",10]} 29. Bh3 $1 {[%CAl Bg2h3,Bh3f5,Bf5g6,Bg6f7,Bf7h5,Bh5e8][%mdl 32]} Rh6 {[%eval 712,25] Prevents Rh5.} (29... Qxe5 {[%eval 398,29]} 30. Rxe5 Nc3 31. Bf5+ (31. Rxe7 a2 $18) 31... Kh8 32. Rxe7 a2) 30. Rxe7 {White is clearly winning.} Qd6 {[%tqu "En","","","","d2f2","",10]} 31. Qf2 $1 {[%csl LRd4,LRf7]} Qf6 (31... Kg7 32. Rg1+) 32. Bf5+ Kg8 33. Qg3+ Qg7 34. Qf4 {Intending Rg1 and mate.} Qf6 35. Re8 (35. Ra7 Kh8 36. Rxa3 Nb4 $11) 35... Rg6 {Inhibits Rg1.} 36. Qf1 ({Stronger than} 36. Rxf8+ Kxf8 37. Qb8+ Kg7 38. Bxg6 Qf3+ 39. Kg1 Nc3 $11 (39... Qg4+ $2 40. Kf2 $18)) 36... Nc3 37. Bxg6 Qxf1+ 38. Rxf1 Rxe8 39. Bxf7+ {KRB-KRN} Kf8 40. Bh5+ Ke7 41. Re1+ {[%mdl 64] [#] Skewer, Deflection} Kd6 42. Bxe8 (42. Rxe8 $2 {is the wrong capture.} a2 43. Ra8 Na4 {[%mdl 64] Promotion} 44. bxa4 a1=Q+ (44... a1=B 45. axb5 Bc3 46. Rc8 $18) 45. Kg2 Qa2 $19 (45... bxa4 $2 46. Be8 $19)) 42... a2 43. Ra1 {Magnificent play by Konstantinov! Weighted Error Value: White=0.07 (flawless) /Black=0.28 (precise) . Mistake: --- Black=5 Inaccurate: White=2 Black=3 OK: White=10 Black=5 Best: White=2 Black=3 Strong: White=4 --- Brilliant: White=1 ---} 1-0