A00 Irregular Openings (1.d3 d5 2.c3)

[Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2018.12.09"] [Round "?"] [White "Battlechess1000"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1736"] [BlackElo "1683"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "54"] [EventDate "2018.??.??"] 1. d3 d5 2. c3 {A00 Irregular Openings} e5 3. f4 $146 (3. Nd2 Nc6 (3... g6 4. e4 Bg7 5. Be2 Ne7 6. h4 h5 7. Nh3 c5 8. Ng5 f6 9. Nh3 Be6 10. f4 Bxh3 11. Rxh3 Nbc6 12. f5 gxf5 13. Bxh5+ Kd7 14. Nb3 b6 15. exd5 Nxd5 16. Qf3 Nde7 17. Bg6 f4 18. Bf7 {Sultan,M (2159)-Ozsakallioglu,A (1893) Istanbul 2017 0-1 (66)} Kc7 19. Bd2 Qd7 20. O-O-O Nf5 21. Qg4 Qxf7 22. Qxf5 Rh5 23. Qe4 f5 24. Qf3 Rah8 25. Rdh1 Bf6 26. Be1 c4 27. dxc4 Qxc4 28. Kb1 Qe4+ 29. Qxe4 fxe4 30. Nd2 e3 31. Ne4 Be7 32. g4 R5h7 33. g5 {Sultan,M (2159)-Ozsakallioglu,A (1893) Istanbul 2017 0-1 (66)}) 4. e4 Nf6 5. Be2 Bc5 6. h3 Be6 7. Qc2 Qe7 8. Ngf3 h6 9. b4 Bb6 10. b5 Na5 11. Nxe5 Bxh3 12. Rxh3 Qxe5 13. d4 Qg5 14. e5 Ne4 15. Nxe4 Qxg2 16. Ng5 O-O 17. Qh7# {1-0 (17) Opdahl,H-Lomo,M Kristiansand 1992}) (3. Nf3 Bd6 4. e4 c6 5. Nbd2 Ne7 6. d4 exd4 7. Nxd4 O-O 8. Be2 Nd7 9. O-O Qc7 10. g3 Nf6 11. Bf3 Bh3 12. Re1 Rad8 13. Qc2 Rfe8 14. exd5 Nf5 15. Ne2 cxd5 16. Bg2 Nd4 17. Qd3 Nxe2+ { Ladopoulos,D (2138)-Nikolaidis,I (2557) Thessaloniki 2017 1/2-1/2 (67)} 18. Rxe2 Rxe2 19. Qxe2 Re8 20. Qd1 Bg4 21. Bf3 Qd7 22. Bxg4 Nxg4 23. Nb3 Qf5 24. f3 Nf6 25. Nd4 Bc5 26. Be3 Bxd4 27. Bxd4 a6 28. Kg2 h5 29. Qd2 Nh7 30. Re1 Rxe1 31. Qxe1 Ng5 32. Qe2 Ne6 {Ladopoulos,D (2138)-Nikolaidis,I (2557) Thessaloniki 2017 1/2-1/2 (67)}) 3... Nc6 4. fxe5 Nxe5 5. Nf3 Bd6 {-0.45/29} ({Black should try} 5... Nxf3+ $17 {-0.32/25 5...Ng6 -0.76} 6. exf3 Bd6 {-0.34/26} (6... Nf6 $17 {-1.01/23} 7. Na3 Bd6)) (5... Ng6 $17 {-1.07/26}) 6. e4 {-1.03/23} (6. Nxe5 $15 {-0.57/24} Bxe5 7. g3 {-1.08/23} (7. Bf4 $15 {-0.39/26} Bxf4 8. Qa4+ c6 9. Qxf4)) 6... dxe4 {-0.32/25} (6... Nxf3+ $17 {-0.50/27 6...dxe4 -1.11} 7. Qxf3 Qh4+ {-0.42/28} (7... Qe7 $17 {-0.91/24} 8. Be2 dxe4 9. dxe4 h5) 8. g3 dxe4 9. dxe4 (9. gxh4 {-1.34/25 9.dxe4 -0.52} exf3 10. Nd2 Nf6 $1 $17) 9... Qe7) 7. dxe4 {-1.12/24} ({White should play} 7. Nxe5 $15 {-0.32/25} Bxe5 8. Qa4+ Kf8 9. Qxe4) 7... Nf6 {-0.21/28} (7... Qe7 $17 {-1.12/24} 8. Be2 {-1.16/24} (8. Nxe5 $142 {-0.72/27} Bxe5 9. Qf3) 8... Nf6 9. Nxe5 Bxe5 {-0.81/29} (9... Qxe5 $142 { -1.32/25} 10. Nd2 Be6 11. Qa4+ c6)) (7... Qe7 $17 {-1.07/28} 8. Nxe5 Bxe5) 8. Nbd2 $2 {-1.24/28 [#]} (8. Nxe5 $11 {-0.21/28 remains equal.} Bxe5 9. Qxd8+ Kxd8 10. Bg5) 8... O-O $17 {-1.00/25} (8... Neg4 $1 $19 {-1.79/24 ...0-0 is the strong threat.} 9. Bc4 {-1.55/23} (9. e5 $142 {-0.98/27} Bxe5 10. Nxe5 Nxe5 11. Nf3 Qxd1+ 12. Kxd1) 9... Ne3 {-0.99/25} (9... O-O $142 {-1.55/23} 10. Qe2 Re8)) 9. Be2 {-1.91/28} (9. Nxe5 $17 {-1.00/25} Bxe5 10. Qc2 {-1.55/28} ({ White should play} 10. Nf3 {-0.94/28} Qxd1+ 11. Kxd1 Nxe4 12. Be3)) (9. Nxe5 $17 {-0.99/26} Bxe5 10. Be2) 9... Qe7 {-1.00/29} (9... Nfg4 $19 {-1.61/23 White must now prevent ...Ne3.} 10. Nc4 Nxf3+ 11. gxf3 Qh4+ 12. Kd2 Nf2) ({ Better is} 9... Nxf3+ $19 {-1.91/28} 10. Bxf3 Ng4 $1 11. Bxg4 Qh4+ 12. g3 Qxg4 13. Qxg4 Bxg4) 10. O-O {-2.49/26 [#]} (10. Nxe5 $17 {-1.00/29 is the only way for White.} Bxe5 11. O-O) 10... Neg4 $2 {-0.75/28} (10... Nfg4 $1 $19 {-2.49/ 26 and Black stays clearly on top. Threatens to win with ...Ne3.} 11. Nxe5 Ne3) 11. Nc4 Nxe4 {-0.12/24} (11... Bc5+ $17 {-0.86/26} 12. Nd4 Rd8 {-0.44/29} ( 12... Be6 $17 {-0.85/23} 13. h3 Bxc4 14. Bxc4 Ne5)) 12. Nxd6 $11 Nxd6 13. Nd4 { -1.32/27} (13. Re1 $1 $11 {-0.07/27 remains equal.}) 13... Ne3 $17 14. Bxe3 Qxe3+ 15. Kh1 Bd7 16. Bf3 Qg5 17. Qb3 {-1.45/24} (17. b4 $142 {-0.86/27}) (17. Qc1 $142 {-0.85/27} Qxc1 18. Raxc1) 17... c6 {-1.00/28} ({Black should try} 17... c5 {-1.45/24} 18. Ne2 Rae8) 18. Rae1 Rae8 19. Qa3 {-1.87/32} (19. Qa4 $17 {-1.15/30 was called for.}) 19... Nb5 {-0.83/30} (19... c5 $142 {-1.52/24 Strongly threatening ...Nc4.} 20. Nb3 {[#]} Bb5 $1 21. Rxe8 Rxe8) (19... c5 $19 {-1.87/32 And now ...Nc4 would win.} 20. Nb3 Bb5 21. Rxe8 Rxe8) 20. Nxb5 Qxb5 $40 {White is in trouble. Black has strong attack.} 21. b4 a6 22. Qb2 Be6 ( 22... Rxe1 {feels hotter.} 23. Rxe1 Be6 24. Rd1 Re8 25. Qd2 h6) 23. Be2 { -1.67/26} (23. a3 $17 {-0.91/32 was worth a try.}) 23... Bc4 {-0.96/35} (23... Qg5 $19 {-1.67/26} 24. Bd3 g6) 24. Bxc4 Qxc4 25. h3 Re6 26. Rxe6 $4 {-#37/34 [#]} (26. Kg1 $17 {-1.06/35}) (26. Kh2 $17 {-1.02/31}) 26... Qxf1+ $19 ({Not} 26... Qxe6 $2 {-0.86/31 26...Qxf1+ -#37} 27. a4 $17) ({Weaker is} 26... Qxe6 27. a4 $17) 27. Kh2 fxe6 {Accuracy: White = 18%, Black = 11%.} 0-1 [Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2018.12.09"] [Round "?"] [White "Battlechess1000"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1467"] [BlackElo "1444"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "45"] [EventDate "2018.??.??"] 1. d3 d5 2. c3 {A00 Irregular Openings} e5 3. Nf3 Nc6 (3... f6 4. Nbd2 c5 5. e4 d4 6. Be2 Be6 7. cxd4 cxd4 8. Nh4 Qd7 9. h3 Nh6 10. O-O Nc6 11. a3 O-O-O 12. Nhf3 Nf7 13. Nh2 g6 14. b4 Bd6 15. Nb3 f5 16. Bd2 h5 17. Rc1 Kb8 18. exf5 { Pakleza,Z (2446)-Aguera Naredo,J (2365) Gijón 2007 1-0} gxf5 19. Bf3 e4 20. dxe4 fxe4 21. Bxe4 Bxh3 22. Nc5 Qe7 23. gxh3 Bxc5 24. Bxc6 Bd6 25. Bg2 Rdg8 26. Qf3 Rg7 27. Kh1 Rhg8 28. Rg1 Ng5 29. Qd5 Rd8 30. Qxb7+ {1-0 (30) Pakleza,Z (2446)-Aguera Naredo,J (2365) Gijón 2007}) (3... Bd6 4. e4 c6 5. Nbd2 Ne7 6. d4 exd4 7. Nxd4 O-O 8. Be2 Nd7 9. O-O Qc7 10. g3 Nf6 11. Bf3 Bh3 12. Re1 Rad8 13. Qc2 Rfe8 14. exd5 Nf5 15. Ne2 cxd5 16. Bg2 Nd4 17. Qd3 Nxe2+ 18. Rxe2 { Ladopoulos,D (2138)-Nikolaidis,I (2557) Thessaloniki 2017 1/2-1/2 (67)} Rxe2 19. Qxe2 Re8 20. Qd1 Bg4 21. Bf3 Qd7 22. Bxg4 Nxg4 23. Nb3 Qf5 24. f3 Nf6 25. Nd4 Bc5 26. Be3 Bxd4 27. Bxd4 a6 28. Kg2 h5 29. Qd2 Nh7 30. Re1 Rxe1 31. Qxe1 Ng5 32. Qe2 Ne6 33. Bf2 {Ladopoulos,D (2138)-Nikolaidis,I (2557) Thessaloniki 2017 1/2-1/2 (67)}) 4. a3 $146 (4. Qa4 Bd7 5. Qb3 Bc8 6. Bg5 f6 7. Bh4 h5 8. h3 Nge7 9. Nbd2 Qd7 10. e4 Qe6 11. Be2 d4 12. Qxe6 Bxe6 13. c4 Nb4 14. O-O g5 15. Bg3 Ng6 16. a3 Nc6 17. b4 Rg8 18. Ne1 Nf4 {Serowy,R (1205)-Gensch,M (1830) Uckley 2001 0-1 (63)} 19. Bd1 Bh6 20. Bxf4 gxf4 21. Bxh5+ Kd7 22. Kh2 Rg5 23. Bd1 Ne7 24. Nef3 Rg7 25. Ba4+ c6 26. Bb3 Rag8 27. Rg1 b6 28. c5 b5 29. Bxe6+ Kxe6 30. a4 a6 31. axb5 axb5 32. Ra6 f5 33. exf5+ Kxf5 {Serowy,R (1205)-Gensch, M (1830) Uckley 2001 0-1 (63)}) (4. Qb3 Nf6 5. g3 Bc5 6. Qb5 Bb6 7. Nxe5 Bd7 8. Nxd7 Qxd7 9. d4 O-O-O 10. h4 Kb8 11. Nd2 a6 12. Qb3 Rhe8 13. Nf3 h5 14. Bf4 Ne4 15. Qxb6 Ne5 16. Nxe5 {1-0 (16) Negrin Mendoza,A-Rodriguez Redondo,A (1305) Tenerife 2013}) (4. g3 Nf6 5. Bg2 Bf5 6. O-O Qd7 7. b4 a6 8. Qa4 Bd6 9. Re1 h6 10. Nh4 Be6 11. e4 d4 12. a3 b5 13. Qc2 a5 14. Bb2 dxc3 15. Bxc3 axb4 16. axb4 Rxa1 17. Bxa1 Nxb4 18. Qd1 O-O {Feicht,B-Grimm,M Niederbayern 2001 1/2-1/2} 19. d4 Qe7 20. d5 {1/2-1/2 (20) Feicht,B-Grimm,M Niederbayern 2001}) 4... Nf6 5. Bg5 Be7 {0.03/26} (5... h6 $17 {-0.73/24} 6. Bh4 Bd6 {-0.31/26} (6... g5 $17 { -0.74/23} 7. Bg3 Bd6)) ({Better is} 5... Be6 $15 {-0.49/25}) 6. e3 $11 Bg4 { 0.24/26} (6... O-O $15 {-0.40/23}) (6... h6 $15 {-0.44/26} 7. Bxf6 Bxf6) 7. Be2 O-O 8. d4 {The position is equal.The position is equal.} e4 9. Nfd2 {[#] aiming for Bxf6.} Bxe2 10. Qxe2 Qd7 {0.30/26} ({Better is} 10... Nd7 $11 { -0.22/28} 11. Bf4 g5 {0.45/24} ({Black should try} 11... Bg5 $11 {-0.06/31})) ( 10... Ne8 {-0.18/29 might be stronger.} 11. Bxe7 Nxe7) 11. c4 Rad8 {1.17/25 [#] } (11... Ne8 $11 {0.14/28 remains equal.} 12. Bf4 dxc4 {0.60/29} (12... f5 $11 {0.06/28})) (11... Ne8 $11 {0.20/30 keeps the balance.} 12. Bf4 f5) 12. Bxf6 $1 $16 Bxf6 13. cxd5 Qxd5 {1.39/25 Hoping for ...Bxd4!} (13... Ne7 $142 {0.97/30}) 14. Nc3 Qg5 {1.72/25} (14... Qf5 $16 {1.10/29 might work better.}) (14... Qf5 $16 {1.12/28 is a better defense.}) 15. Ndxe4 {1.24/26} ({White should play} 15. O-O $18 {1.72/25}) 15... Qxg2 {2.16/24} (15... Qg6 $16 {1.28/30}) (15... Qg6 $16 {1.24/26 was worth a try.}) 16. Nxf6+ $18 gxf6 17. O-O-O Kh8 18. Ne4 $4 {-4.40/24} (18. Rhg1 $18 {2.28/29} Qh3 19. Rg3) (18. Rhg1 $18 {1.99/28} Qh3 19. Rg3) 18... Qxe4 $19 19. f3 Qd5 20. Rhf1 Rfe8 {...Nxd4! is the strong threat.} 21. Qd3 {[#]} Ne5 $1 22. Qf5 (22. dxe5 Qxd3) 22... Nd7 $4 {10.85/24} (22... Qc6+ $19 {-7.12/26} 23. Qc2 Qxc2+ 24. Kxc2 Nc4) 23. Qxd5 {Accuracy: White = 55%, Black = 21%.} 1-0