[Event "24th OIBM 2021"] [Site "Gmund am Tegernsee"] [Date "2021.10.30"] [Round "1.12"] [White "Krauseneck, Peter"] [Black "Hertneck, Gerald"] [Result "0-1"] [ECO "C19"] [WhiteElo "2117"] [BlackElo "2492"] [Annotator "TA"] [PlyCount "74"] [EventDate "2021.10.30"] [EventType "swiss"] [EventCountry "GER"] [Tiebreak "Cut1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,74,0,8,31,24,46,0,0,0,5,-14,-11,-13,-9,-15,8,-29,-11,-27,-2,-15,-12, -16,-11,-14,-11,-33,-31,-45,-29,-42,-24,-120,-125,-273,-280,-266,-283,-248, -253,-293,-289,-329,-312,-564,-564,-622,-622,-611,-607,-828,-610,-589,-574, -29986,-29987,-29987,-29978]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 b6 8. Bb5+ Bd7 9. a4 Bxb5 10. axb5 h6 {C19: French: 3 Nc3 Bb4: Main line: 7 Nf3 and 7 a4.} 11. O-O O-O 12. Ba3 Nd7 {The position is equal.} 13. Qe2 Qc7 14. c4 dxc4 15. Qxc4 Rfc8 {[#]} 16. Qd3 $146 ({Predecessor: } 16. Qe2 Ng6 17. c3 Qb7 18. Qe3 a6 19. dxc5 Nxc5 20. Bxc5 Rxc5 21. bxa6 Rxa6 22. Rad1 {0-1 (65) Akopian,V (2648)-Naumann,A (2545) Berlin 2015}) 16... Qb7 17. c4 Ng6 18. Rfe1 cxd4 19. Qxd4 Nc5 20. Qe3 a6 21. Nd4 Ne7 22. f3 axb5 23. Nxb5 {Strongly threatening Nd6.} Nf5 24. Qc3 Qc6 25. Qc2 {[#]} (25. Red1 $11) 25... Nb7 $1 $17 26. Rac1 {[#] This move loses the game for White.} (26. Qe2 $17 {keeps fighting.}) 26... Rxa3 $1 $19 {[%mdl 576] Remove Defender, Decoy} 27. Nxa3 Qc5+ {[%mdl 64] Double Attack} 28. Qf2 {Black must now prevent Qxc5.} Qxa3 29. Qxb6 Nc5 30. Rcd1 Qc3 31. Rd8+ $2 (31. Re2) 31... Kh7 {[%CAl Rc3e1]} 32. Red1 Rxd8 33. Qxd8 Ne3 {[%mdl 64] Double Attack} 34. Rd2 Nxc4 35. Re2 Nd3 { ( -> ...Qc1+)} 36. g3 Qc1+ 37. Kg2 Qd1 {Weighted Error Value: White=0.75/ Black=0.13} 0-1