[Event "Durham League"]
[Site "?"]
[Date "1959.??.??"]
[Round "?"]
[White "May, Alan K"]
[Black "Stephenson, F Norman"]
[Result "1-0"]
[ECO "E76"]
[Annotator "Tactical Analysis 5.1 (5s)"]
[PlyCount "63"]
[EventDate "2018.??.??"]
{[%evp 12,63,1,0,25,26,29,27,98,98,135,132,169,153,281,299,392,193,193,130,303,
148,150,150,167,84,64,93,91,-87,215,82,167,167,157,134,158,167,191,114,111,136,
103,148,136,19,637,619,616,625,684,666,669,653]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
4. e4 d6 5. f4 c5 6. dxc5 Qa5 7. Bd3 {Strongly threatening cxd6.} Qxc5 {
E76: King's Indian: Four Pawns Attack: Lines specific to 6 Nf3 move-order.} 8.
Qe2 Bg4 9. Nf3 {[#]} Nbd7 $146 (9... Nh5 $11 {keeps the balance.}) ({
Predecessor:} 9... O-O 10. Be3 Qc8 11. O-O Nc6 12. Rac1 Nd7 13. Qf2 Nc5 14. Bb1
b6 15. Rfd1 Qb7 16. b3 Rad8 17. Rd2 Bc8 18. Nd4 Nxd4 19. Bxd4 Bd7 20. Nd5 Bc6
21. Bxg7 Kxg7 22. Qd4+ f6 23. Re1 e5 24. Qe3 Ne6 {1/2-1/2 (24) Dittmann,S-Koch,
B Erfurt 1955}) 10. Be3 $16 Qc7 11. O-O $1 {White is more active.} a6 12. Rac1
e5 (12... O-O $16 {was worth a try.}) 13. f5 $1 $18 (13. Nd5 Nxd5 14. cxd5 Qd8
$14) 13... Nc5 14. fxg6 (14. b4 $142) 14... hxg6 15. b4 (15. h3 $18) 15... Ne6
$2 (15... Nxd3 $16 {is a better defense.} 16. Qxd3 O-O) 16. Qd2 (16. Nd5 $18 {
and the rest is easy.} Qd8 17. h3 Nxd5 18. exd5 Bxf3 19. Qxf3) 16... Bxf3 17.
Nd5 Qd8 {[%CAl Of6g4] Hoping for ...Ng4!} (17... Nxd5 $2 18. cxd5 Nc5 19. Rxf3
$18) 18. Bb6 ({And not} 18. gxf3 Kf8 $11) ({Better is} 18. Rxf3 $18 {And now
Bb6 would win.} Nxd5 19. exd5) 18... Qd7 19. Rxf3 ({Much worse is} 19. gxf3 $6
Kf8 $15) 19... Nxd5 20. cxd5 (20. exd5 $16 {is forced if you want to stay
better.} Nf4 21. Bf1 (21. Rxf4 exf4 22. h3 Qe7 $17)) 20... Nf4 {[%mdl 8192]} (
20... Nd4 $17 {stays on course.} 21. Bxd4 exd4) 21. h3 (21. Rc7 $18 Qg4 22.
Rxb7) 21... Rc8 (21... Nxd3 $16 22. Qxd3 Rc8 23. Rxc8+ Qxc8) 22. Rxc8+ Qxc8 {
[#]} 23. Bf1 $1 {Rc3 is the strong threat.} O-O {[#]} 24. Rc3 $1 $36 {[%mdl
2048] White is really pushing.} Qb8 25. Bc7 (25. g3 $18) 25... Qa7+ $16 26. Qf2
Qxf2+ 27. Kxf2 Rc8 28. a4 (28. g3 $16 Nh5 29. Rc4) 28... Nxd5 {[%mdl 8192]} 29.
exd5 $18 {White is clearly winning.} e4 30. Rc4 b5 31. axb5 axb5 32. Rc6 {
Weighted Error Value: White=0.47/Black=0.93} 1-0
