[Event "83rd Tata Steel Masters 2021"] [White "Duda,Jan-Krzysztof"] [Black "Van Foreest,Jorden"] [Site "Wijk aan Zee"] [Round "10.6"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2021.01.27"] [WhiteElo "2743"] [BlackElo "2671"] [PlyCount "52"] 1. d4 {} Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 0-0 5. Be2 d6 6. Nc3 e5 {E61: King's Indian: Early deviations for White, including Smyslov System.} 7. dxe5 dxe5 8. Nxe5 Qe7 9. Nf3 {[#]} Rd8 $146 ({Predecessor:} 9... c6 10. 0-0 Be6 11. Qc2 Nbd7 12. Nd4 Bg4 13. Bxg4 Nxg4 14. Qe4 Qg5 15. Nf3 Qh5 {1-0 (71) Dalalio,G (1800)-Born,A (1470) Dois Irmaos 2012} )10. Qb3 a5 11. 0-0 a4 12. Nxa4 Ne4 $1 13. Nd4 ({Better is} 13. Rd1 $14 )Nc6 $1 $11 14. Nxc6 bxc6 15. Bf3 (15. Qc2 $11 ){ Black has strong compensation.} Bf5 $1 $17 { Black has strong compensation.} 16. c5 {[#]} h5 (16... Rab8 $1 $17 { } 17. Qc4 Nxf2 18. Rxf2 Bd3 )17. Qb4 ({White should try} 17. Bxe4 $11 Rab8 18. Qa3 Qxe4 19. Nc3 )Qe6 (17... h4 $15 )18. Bd1 $11 Be5 19. f3 { Hoping for ...Qh4.} Qe7 $1 { Hoping for ...Qh4.} 20. Qe1 ({Don't go for} 20. fxe4 $2 { [#]} Qh4 $1 $19 )Nxc5 (20... Ng3 $5 21. hxg3 Bd3 $18 )21. Nxc5 Qxc5 22. a4 (22. f4 $5 {} Bf6 23. a4 $11 )Rab8 {The position is equal. } 23. Qf2 Qa5 {Strongly threatening ...Bxb2!} 24. Ra3 Qc5 25. Ra1 Qa5 {And now ...Bxb2! would win.} 26. Ra3 Qc5 {Weighted Error Value: White=0.20/Black=0.11} 1/2-1/2