1. c4 %05A29: English Opening: Four Knights Variation with 4 g3 1... e5 2. Jc3 Jf6 3. Jf3 Jc6 4. g3 Jd4 5. Sg2 Jxf3+ 6. Sxf3 Sb4 7. Db3 Sc5 8. d3 Covers e4 8. O-O O-O (8... c6 9. Ja4 Se7 10. Vd1 d6 11. d4 Dc7 12. Dc2 O-O 13. Sg2 Se6 14. e4 Vac8 15. b3 b5 16. Jb2 exd4 17. Vxd4 Vfd8 18. cxb5 Db6 19. Vd3 cxb5 20. De2 Da6 21. Jd1 d5 22. exd5 Sf5 23. Vd4 Sc5 24. Vf4 Sg6 25. Je3 Sxe3 26. Sxe3 Jxd5 27. Sxd5 Vxd5 28. Vd4 Vxd4 29. Sxd4 Db7 30. Ve1 h6 31. h4 Vd8 32. Db2 Df3 33. Dc3 Dxc3 1/2-1/2 Marek,S-Sedlacek,P/CCASR 2000/CorrBase (33)) 9. Ja4 Se7 10. Vd1 c6 11. Jc3 (11. d4 e4 12. Sg2 d5 13. Jc3 b6 14. Sf4 Se6 15. Da4 De8 16. cxd5 cxd5 17. Dxe8 Jxe8 18. f3 f5 19. Vac1 Jf6 20. Jb5 Sd7 21. Jc7 Vac8 22. Se5 Sd8 23. Vc3 Sxc7 24. Vxc7 Vxc7 25. Sxc7 Vc8 26. Sf4 Vc2 27. Vd2 Vc1+ 28. Kf2 Kf7 29. h4 Ke6 30. b3 Vc8 31. Sh3 h6 32. a4 Ke7 33. Vb2 Jh5 34. Se5 e3+ 35. Kg2 g5 36. Kh2 Vc1 37. hxg5 hxg5 38. b4 f4 39. gxf4 Jxf4 40. Sxd7 Kxd7 41. Vb3 Vc4 42. Vxe3 Vxb4 43. Kg3 Vxa4 44. Sxf4 gxf4+ 45. Kxf4 Vxd4+ Konig,P-Doderer,H/ICCF Email 2000/CorrBase/0-1 (58)) 11... d6 12. d4 Dc7 13. Sg2 exd4 14. Vxd4 Se6 15. Dc2 Vad8 16. b3 d5 17. cxd5 De5 18. Se3 cxd5 19. Vad1 Vd7 20. V4d2 Vc8 21. Sd4 Dh5 22. Db2 b6 Bang,E-Berry,F/ICCF 1989/CorrBase/1/2-1/2 (40) 8. Sxb7 ?? a poisoned pawn 8... Vb8 9. Db5 Sd4-+ 8... O-O 9. O-O 9. Sxb7 ?? Taking that pawn is naive 9... Vb8 10. O-O Sxb7-+ 9... c6 Controls b5+d5 10. Sg5 h6 11. Sxf6 Dxf6 12. Je4 De7 13. Jxc5 Dxc5 14. Dc3 a5 15. a3 De7 16. b4 b6 16... d6 !? is worth looking at 17. Vfb1+/- Va7 17... axb4 18. Dxb4 Dxb4 19. axb4 Vxa1 20. Vxa1+/- 18. bxa5+- bxa5 19. c5 a4 20. Vb4 Va8 21. Vc1 Va5 21... Df6 22. Sg2+- 22. Ve4 Vb5 23. Vxa4 Sb7 23... Vb7 24. Ve4 f6 25. d4+- 24. Ve4 Va8 25. Vxe5 Df8 26. d4 Vba5 27. Va1 Va4 28. Db3 Sc8 28... d6 doesn't do any good 29. cxd6 (29. Dxb7 ?! is much worse 29... dxe5 30. Sxc6 V8a7+/=) 29... Dxd6 30. e3+- (30. Dxb7 ?! is the less attractive alternative 30... Dxd4 31. Va2 Dxe5=/+) 29. e3 Kh8 30. Sh5 g6 31. Sd1 V4a5 32. a4 Sa6 33. Vc1 33. Dc3 !? keeps an even firmer grip 33... Sb5 34. Ve4 Kh7+- 33... f6 34. Ve4 Vxa4 35. Vg4 35. Dxa4 %04?! 35... Sd3 36. Db3 Sxe4+- 35... Sb5 36. Vxg6 Va3 37. Db4 Sd3 38. Vg4 Va1 39. Dc3 Sb1 39... V8a3 desperation 40. Dxa1 Vxa1 41. Vxa1 Db8+- 40. Sb3 d5 40... Sf5 cannot undo what has already been done 41. Vg8+ Dxg8 42. Sxg8 Vxc1+ 43. Dxc1 Kxg8 44. Kg2+- 41. cxd6 Dxd6 42. De1 42. Dxc6 ?? the pawn must be left alone, otherwise White will be punished 42... Dxc6 43. Vd1 Db7-+ 42... Dd7 42... f5 doesn't get the cat off the tree 43. Vh4 (43. Vxb1 ?! is clearly weaker 43... Vxb1 44. Dxb1 fxg4+-) 43... Vb8 44. Dc3+- 43. Vf4 43. Vxb1 ?! is a useless try 43... Vxb1 44. Dxb1 Dxg4+/- 43... Dh7 44. Vxf6 44. Vxf6 Dd3 45. Sc4 Dxc4 46. Vf8+ Vxf8 47. Vxc4+- 1-0