A00 Irregular Openings (1.g3 d5)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.06.04"] [Round "?"] [White "Parker"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "70"] [EventDate "2002.??.??"] 1. g3 d5 {A00 Irregular Openings} 2. Bh3 (2. c3 Nf6 3. Bg2 c6 4. Na3 e5 5. Nc2 Bd6 6. d3 O-O 7. e4 Be6 8. Ne2 dxe4 9. dxe4 Bc5 10. Qxd8 Rxd8 11. b3 a5 12. Bg5 a4 13. f4 axb3 14. axb3 Rxa1+ 15. Nxa1 Be3 16. Bxf6 gxf6 {Markovic,M (2586) -Lazic,M (2478) Jahorina 2000 1/2-1/2 (34)}) 2... Bxh3 3. c3 $146 (3. Nxh3 Nf6 4. b3 Qd7 5. Ba3 Qxh3 6. e4 Nxe4 7. Rf1 Qe6 8. g4 Ng3+ 9. Qe2 Qxe2# {0-1 (9) Junior,A-Volkmann,A (1800) Rio de Janeiro 2012}) 3... Bf5 4. Qa4+ Bd7 5. Qxd7+ Qxd7 6. Nh3 Nc6 7. e4 dxe4 8. f3 {Black is clearly winning.} exf3 9. Ng5 Qg4 10. b3 Qxg5 11. b4 Qg4 {-25.72/32} (11... Qb5 $142 {-#13/28} 12. Kd1 f2 13. Ba3 Ne5 14. Kc1 f1=Q+ 15. Rxf1 Qxf1+ 16. Kc2 Nf6 17. h4 a5 18. bxa5 Qc4 19. Bb4 c5 20. a3 Nd3 21. Ra2 Qxa2+ 22. Kxd3 Qxb1+ 23. Ke2 Rd8 24. Bxc5 Qd3+ 25. Ke1 Ng4 26. Bd4 Rd5 27. a4 Rf5 28. Bf2 Rxf2 29. h5 Qxd2#) 12. O-O $19 Ne5 {[#] aiming for ...Qh3.} 13. d4 Nd3 {Hoping for ...Qe4.} 14. Rf2 Nxf2 15. Kxf2 Nf6 { -26.90/25} (15... Qe4 $142 {-#9/29} 16. Be3 Nf6 17. Nd2 Ng4+ 18. Ke1 Qxe3+ 19. Kd1 Qd3 20. Kc1 Ne3 21. Kb2 Qxd2+ 22. Ka3 Qc2 23. h4 Nc4#) 16. Bf4 c6 {-23.55/ 26} (16... g5 $142 {-#17/24} 17. Nd2 gxf4 18. Rh1 Qe6 19. Nxf3 Ng4+ 20. Kg2 Qe2+ 21. Kh3 Qxf3 22. Rf1 Qxf1+ 23. Kxg4 fxg3 24. Kh4 gxh2 25. Kh5 h1=Q+ 26. Kg5 Rg8#) 17. Bd2 Ne4+ 18. Kf1 Nxd2+ {-73.41/34} (18... Qe6 $142 {-#5/53} 19. Be3 Qc4+ 20. Kg1 Qe2 21. Bf2 Qxf2+ 22. Kh1 Qg2#) 19. Nxd2 Qh3+ 20. Kf2 Qg2+ 21. Ke3 Qe2+ 22. Kf4 f2 23. Ne4 f1=Q+ 24. Rxf1 {[#]} Qxf1+ {-30.20/26} (24... g5+ $142 $1 {-#7/26} 25. Nxg5 Qxf1+ 26. Ke3 Qc1+ 27. Kd3 Qxg5 28. Kc2 Bh6 29. h4 Qc1+ 30. Kd3 Qd2+ 31. Kc4 b5+ 32. Kb3 Qd1+ 33. Kb2 Bc1+ 34. Kb1 Ba3#) 25. Kg4 f5+ {Black mates.} 26. Kh4 fxe4 27. b5 Qf6+ 28. Kh3 e3 29. bxc6 bxc6 30. d5 cxd5 31. c4 dxc4 32. a3 e2 33. a4 e1=Q 34. a5 Qef1+ 35. Kg4 Q1f5# 0-1 [Event "Yahoo"] [Site "?"] [Date "2004.04.16"] [Round "?"] [White "tiimba"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "64"] [EventDate "2004.04.14"] [EventType "blitz"] 1. g3 d5 {A00 Irregular Openings} 2. f3 (2. c3 Nf6 3. Bg2 c6 4. Na3 e5 5. Nc2 Bd6 6. d3 O-O 7. e4 Be6 8. Ne2 dxe4 9. dxe4 Bc5 10. Qxd8 Rxd8 11. b3 a5 12. Bg5 a4 13. f4 axb3 14. axb3 Rxa1+ 15. Nxa1 Be3 16. Bxf6 gxf6 {Markovic,M (2586) -Lazic,M (2478) Jahorina 2000 1/2-1/2 (34)}) 2... e5 (2... Nc6 3. Nh3 e5 4. Nf2 Be6 5. e3 Qd7 6. d3 O-O-O 7. c3 f5 8. Na3 d4 9. cxd4 exd4 10. e4 fxe4 11. dxe4 Bc5 12. Nd3 Bb6 13. Bg2 Bh3 14. O-O h5 15. Bg5 Re8 16. Nc4 Bxg2 17. Kxg2 { Blazek,R-Bukhteeva,V (2220) Pardubice 2017 0-1 (50)}) 3. c3 $146 (3. Bg2 Nf6 4. d3 Bd6 5. Nh3 O-O 6. O-O d4 7. e4 dxe3 8. Bxe3 Nd5 9. Bd2 Bc5+ 10. Nf2 Ne3 11. Bxe3 Bxe3 12. Qe2 Bd4 13. c3 Bb6 14. a4 Nc6 15. Nd2 Bf5 16. Nde4 Qe7 17. b4 a6 {Gagarkine,N (1934)-Protopopova,A (1897) Saratov 2013 1-0 (73)}) (3. Nh3 Nf6 4. Nf2 Bd6 5. b3 O-O 6. d3 Qe7 7. e4 Bc5 8. Be2 Rd8 9. Bd2 Nc6 10. c3 Bxf2+ 11. Kxf2 dxe4 12. dxe4 Be6 13. Qc2 Nd7 14. Bc1 f6 15. Ba3 Qf7 16. Nd2 a6 17. Bc4 b5 {Anikin,V (1796)-Mironov,V (1928) Uljanovsk 2013 0-1 (48)}) (3. d3 Nc6 4. Nh3 Nf6 5. Nf2 Bc5 6. e3 O-O 7. Bg2 Qe7 8. O-O a5 9. a4 Bd7 10. Re1 Rfe8 11. Nd2 Rad8 12. Nb3 Bb6 13. Bd2 Be6 14. c3 Nd7 15. d4 f6 16. f4 e4 17. g4 g5 { Leenaerts,K (1811)-Sadkowsky,D (2356) Brasschaat 2005 0-1 (48)}) 3... c5 4. Qa4+ Nc6 5. e3 Nf6 {-1.19/25} (5... Bd6 $19 {-1.65/22} 6. d3 Nf6) 6. Bb5 { -2.24/23} (6. Nh3 $17 {-1.19/25}) 6... Bd7 $19 7. Ne2 {-3.07/23} (7. d3 $142 { -1.92/26}) 7... Bd6 8. b4 $2 {-3.52/22 [#]} (8. d4 {-1.86/25 is a better defense.}) 8... cxb4 9. cxb4 Nxb4 {-1.41/26} ({Black should play} 9... a5 $19 { -2.76/21} 10. Bxc6 bxc6 11. bxa5 O-O) 10. Nbc3 {-2.07/24} (10. O-O $17 { -1.41/26}) 10... Bxb5 {-0.72/28} (10... Nd3+ $1 $19 {-2.07/24 has better winning chances.} 11. Kf1 (11. Bxd3 Bxa4) 11... a6 12. Bxd7+ Qxd7 13. Qxd7+ Kxd7) 11. Qxb5+ {-1.24/24} (11. Nxb5 $142 {-0.72/28} O-O 12. Nxd6 Qxd6 13. O-O) 11... Qd7 {-0.68/29} ({Better is} 11... Nd7 $17 {-1.24/24 aiming for ...Nc2+.} 12. O-O O-O) 12. Qa5 $2 {-6.05/23 [#]} (12. O-O $15 {-0.68/29}) 12... Nc2+ 13. Kd1 Nxa1 14. Bb2 O-O {...Qf5 is the strong threat.} 15. Bxa1 b6 16. Qa6 Rfc8 17. Nb5 {-8.47/25} (17. Qd3 $142 {-4.97/27}) 17... Bb4 18. Bxe5 Rc5 19. Nbd4 Ra5 20. Qd3 Rxa2 21. Nf5 {-11.77/29} (21. Nc2 $142 {-4.27/29} Rc8 22. Nxb4 Qa4+ 23. Ke1 Ra1+ 24. Bxa1 Qxa1+ 25. Kf2 Qxh1 26. Nxd5 Nxd5 27. Qxd5) 21... Rxd2+ 22. Qxd2 Bxd2 23. Kxd2 Qxf5 24. Bxf6 Qxf6 25. Ke1 Qa1+ {Black mates.} 26. Kf2 Qxh1 27. Ng1 Qxh2+ 28. Kf1 Rc8 29. Ne2 Qh1+ 30. Kf2 Rc2 31. f4 Qd1 32. Kf3 Qxe2# {Accuracy: White = 10%, Black = 12%.} 0-1 [Event "Rated game, 15m + 0s"] [Site "Café"] [Date "2008.03.06"] [Round "?"] [White "Mefkure"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1718"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "15"] [EventDate "2008.03.06"] [SourceTitle "playchess.com"] 1. g3 d5 {A00 Irregular Openings} 2. f3 (2. c3 Nf6 3. Bg2 c6 4. Na3 e5 5. Nc2 Bd6 6. d3 O-O 7. e4 Be6 8. Ne2 dxe4 9. dxe4 Bc5 10. Qxd8 Rxd8 11. b3 a5 12. Bg5 a4 13. f4 axb3 14. axb3 Rxa1+ 15. Nxa1 Be3 16. Bxf6 gxf6 {Markovic,M (2586) -Lazic,M (2478) Jahorina 2000 1/2-1/2 (34)}) 2... c5 (2... Nc6 3. Nh3 e5 4. Nf2 Be6 5. e3 Qd7 6. d3 O-O-O 7. c3 f5 8. Na3 d4 9. cxd4 exd4 10. e4 fxe4 11. dxe4 Bc5 12. Nd3 Bb6 13. Bg2 Bh3 14. O-O h5 15. Bg5 Re8 16. Nc4 Bxg2 17. Kxg2 { Blazek,R-Bukhteeva,V (2220) Pardubice 2017 0-1 (50)}) 3. f4 $146 (3. Nh3 Nf6 ( 3... Nc6 4. Nf2 e5 5. Bg2 g6 6. e4 d4 7. d3 Bg7 8. Nd2 Nge7 9. f4 Bd7 10. Nc4 Qc7 11. a4 Be6 12. Na3 a6 13. O-O O-O 14. f5 gxf5 15. Qh5 f6 16. Bh6 Bf7 17. Qh3 Bxh6 18. Qxh6 {Dumesnil,E-Panjwani,R (2109) Shawinigan 2003 0-1 (55)}) 4. Nf2 Nc6 5. c3 Qc7 6. Bg2 e6 7. Na3 a6 8. Nc2 Bd6 9. d3 Bd7 10. O-O Ke7 11. e4 dxe4 12. dxe4 h6 13. Ne3 b5 14. f4 e5 15. Nfg4 Bxg4 16. Nxg4 Rad8 17. Nxf6 gxf6 {Hampsink,J-Wissing,P (1439) Germany 2014 0-1 (47)}) 3... Nc6 4. e3 Nf6 5. f5 Bxf5 6. Bh3 Qd7 7. Bxf5 Qxf5 8. Ke2 $2 {-5.77/27} (8. Nf3 {-1.94/26}) 0-1 [Event "Classical Shield Arena"] [Site "https://lichess.org/E85nLCoF"] [Date "2019.05.10"] [Round "?"] [White "Idrinov"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1644"] [BlackElo "1822"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "92"] [EventDate "2019.??.??"] 1. g3 d5 {A00 Irregular Openings} 2. f3 (2. Nh3 Nf6 {1/2-1/2 (47) Milanesi,E (1794)-Saracco,M (1840) Bratto 2014}) 2... Nf6 (2... Nc6 3. Nh3 e5 4. Nf2 Be6 5. e3 Qd7 6. d3 O-O-O 7. c3 f5 8. Na3 d4 9. cxd4 exd4 10. e4 fxe4 11. dxe4 Bc5 12. Nd3 Bb6 13. Bg2 Bh3 14. O-O h5 15. Bg5 Re8 16. Nc4 Bxg2 17. Kxg2 {Blazek, R-Bukhteeva,V (2220) Pardubice 2017 0-1 (50)}) (2... e5 3. Nh3 {0-1 (48) Anikin,V (1796)-Mironov,V (1928) Uljanovsk 2013}) 3. Nh3 e5 4. Nf2 Bc5 $146 ( 4... Be6 5. e3 Bd6 6. Bg2 O-O 7. O-O c5 8. d3 Nc6 9. c3 Qc7 10. Na3 a6 11. Nc2 b5 12. b3 Rfe8 13. Bd2 Rad8 14. Qe2 h6 15. Kh1 Rd7 16. Rfd1 Rde7 17. Qf1 Nh7 18. e4 d4 19. cxd4 {Milanesi,E (1794)-Boccalatte,P (1924) Bratto 2014 0-1 (39)} ) (4... Bd6 5. b3 (5. Bg2 c5 6. O-O O-O 7. d3 Nc6 8. Bg5 Be6 9. Nc3 Be7 10. Bxf6 Bxf6 11. e4 d4 12. Ne2 Be7 13. g4 Qd7 14. Ng3 Bg5 15. Kh1 Bf4 16. Nh5 Qe7 17. Nxf4 exf4 18. Qd2 g5 19. h4 h6 {Milanesi,E (1794)-Saracco,M (1840) Bratto 2014 1/2-1/2 (47)}) 5... O-O 6. d3 Qe7 7. e4 Bc5 8. Be2 Rd8 9. Bd2 Nc6 10. c3 Bxf2+ 11. Kxf2 dxe4 12. dxe4 Be6 13. Qc2 Nd7 14. Bc1 f6 15. Ba3 Qf7 16. Nd2 a6 17. Bc4 b5 18. Bxe6 Qxe6 19. Rad1 {Anikin,V (1796)-Mironov,V (1928) Uljanovsk 2013 0-1 (48)}) 5. Bg2 O-O {-0.58/24} ({Black should play} 5... h5 $17 { -1.42/20} 6. e3 h4) 6. O-O {-1.20/21} (6. e3 $15 {-0.58/24}) 6... Nc6 {-0.57/24 } (6... Re8 $17 {-1.20/21}) 7. e3 {-1.12/22} (7. c3 $15 {-0.57/24}) 7... Bf5 { -0.50/26} (7... a5 $17 {-1.12/22}) 8. b3 {-1.24/21} (8. c3 $15 {-0.50/26}) 8... Qd6 {0.11/26} (8... Qe7 $17 {-1.24/21}) 9. Nc3 {-0.96/22} (9. c3 $11 {0.11/26 remains equal.}) 9... d4 {0.26/25} ({Better is} 9... a6 $17 {-0.96/22}) 10. Nb5 {-1.16/24} (10. Na4 $1 $11 {0.26/25 was the only way to keep the balance.}) 10... Qe7 $36 {And now ...a6 would win. White is under strong pressure.} 11. e4 {-1.64/24} (11. exd4 $17 {-0.90/29} Nxd4 12. Nxd4 Bxd4 13. c3) 11... Bg6 { -0.47/25} (11... Be6 $19 {-1.64/24 ...a6 is the strong threat.} 12. a4 a6) 12. d3 $2 {-4.11/23 [#]} (12. a4 $15 {-0.47/25}) 12... a6 $19 13. Nxd4 Bxd4 14. Rb1 Qd7 15. Ba3 Rfe8 16. Qd2 b5 17. c3 Bb6 18. b4 Rad8 19. Kh1 Bxf2 20. Rxf2 Qxd3 21. Qb2 Rd7 22. Bf1 {-6.41/22} (22. Re1 $142 {-4.44/28}) 22... Qd6 23. Kg2 { -7.39/25} (23. Re1 $142 {-4.67/26}) 23... Nh5 24. Rc1 f5 25. c4 Nd4 26. exf5 Nxf5 27. g4 Ne3+ 28. Kg1 Nf4 29. c5 Qf6 30. Qb3+ Ned5 31. Rd1 Bf7 32. Rfd2 c6 33. Qc2 Ne3 34. Qb1 Rxd2 35. Rxd2 Nxf1 36. Qxf1 Bd5 37. Bb2 Qh4 38. Kh1 Qxg4 { -4.29/28 [#]} (38... Bxf3+ $142 {-#10/27} 39. Kg1 Nh3+ 40. Qxh3 Qxh3 41. Bxe5 Rxe5 42. Rd8+ Kf7 43. Rd7+ Ke8 44. Rd2 Re1+ 45. Kf2 Qg2+ 46. Kxe1 Qg1#) 39. Rf2 {-#8/23} (39. Rxd5 $1 $19 {-4.29/28} Qf5 (39... cxd5 40. fxg4) 40. Rd2) 39... Qh3 {-9.25/27} (39... Nh3 $142 {-#8/23} 40. Qxh3 Qxh3 41. Kg1 Re6 42. Rf1 Bxf3 43. Rxf3 Qxf3 44. Bxe5 Rxe5 45. h4 Qg3+ 46. Kh1 Re1#) 40. Qd1 e4 {( -> ...e3)} 41. Bc1 Nd3 {Black mates.} 42. Be3 Nxf2+ 43. Bxf2 exf3 44. Qg1 Re6 45. Qg3 Qxg3 46. Bxg3 f2# {Accuracy: White = 19%, Black = 29%.} 0-1