[Event "Kiel "] [White "Colpe,M"] [Black "Ris,R"] [Site ""] [Round ""] [Annotator "Ris, Robert/Havanur,Nagesh"] [Result "0-1"] [Date "2026.02.08"] [WhiteElo "2371"] [BlackElo "2450"] [PlyCount "80"] 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 ({The ancient line (once considered bad)} 3... b5 $5 4. a4 c6 5. e3 e6 6. axb5 cxb5 7. b3 Nf6 ({The old move} 7... Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 {favours White.} )8. bxc4 bxc4 9. Bxc4 Bd6 {looks playable.} )4. e3 Be6 5. Nc3 c6 6. Ng5 Bd5 7. e4 h6 8. exd5 hxg5 9. dxc6 Nxc6 10. d5 Ne5 11. Bxg5 {White has regained the pawn.} Qb6 {threatening both the immediate 12... Qxb2 and also 12...Nfg4} ({not} 11... Nfg4 $4 12. Bxc4 $1 Nxc4 13. Qxg4 Nd6 14. O-O $18 )12. Qa4+ {A theroretical novelty} (12. Qd2 {is met by} Nfg4 {.} )({If } 12. Rb1 Nfg4 13. Qa4+ Kd8 $1 {Black foregoes castling and has dynamic chances.} )(12. Be3 Qxb2 13. Bd4 Nd3+ 14. Bxd3 cxd3 15. O-O Qb4 $2 {was seen in Timman,Jan-Ljubojevic Lubomir,Hilversum 1987, 1-0 (25 moves).} ({Ris recommends} 15... Qc2 $1 {with a sharp position.} ))({Here} 12. Bxc4 Qxb2 13. Bb5+ Kd8 14. Rc1 Ne4 15. Nxe4 Qxb5 16. Rc3 Qb4 17. O-O Qxe4 18. d6 Ke8 19. dxe7 Bxe7 20. Re3 {has been seen before, Now Ris offers a fantasy variation.} Qh7 $1 ({The weaker} 20... Qf5 $6 {was seen in Hoffman,Oliver-Barbosa, Luc William C, Int.Open N.Y. 2025 1/2 -1/2 (100 moves!)} )21. Rh3 Qxh3 22. gxh3 Bxg5 {If} 23. f4 Bxf4 24. Rxf4 Rd8 25. Qa4+ Nc6 26. Re4+ Kf8 $11 {-NSH} )Nfd7 13. Qb5 Rc8 (13... Qxb5 14. Nxb5 Rc8 15. Nxa7 Rc5 $1 16. Be3 Rxd5 $11 {is perhaps simpler.} )14. Qxb6 Nxb6 15. O-O-O g6 16. d6 {This move could have waited.} ({ Ris rightly recommends} 16. Be2 $1 {completing development first.} )exd6 17. Ne4 ({It was still possibe to play} 17. Be2 {and complete development.} )Nd3+ ({Or} 17... Kd7 18. Bf6 Rh5 $1 $11 {Black is a pawn up. But his king is still vulnerable and the White pieces are well-placed.} )18. Bxd3 cxd3+ 19. Kb1 f5 20. Nc3 Bg7 21. Rhe1+ ({There is no point in capturing the doubled pawn with} 21. Rxd3 Bxc3 22. Rxc3 Rxc3 23. bxc3 Kd7 $11 )Kf7 22. Re7+ Kf8 23. Rxb7 ({Again not} 23. Rxd3 $6 Rh5 $1 {and White has to play carefully not to lose material, a line pointed out by Ris.} )({On} 23. h4 $6 Bxc3 24. bxc3 Nd5 $17 {White loses the exchange.} )Rxh2 24. Rxd3 Rxg2 25. Be7+ (25. Be3 Nc4 ({Ris' suggestion} 25... Na4 $5 {is met by} 26. Rxd6 Nxc3+ 27. bxc3 Bxc3 28. Rdd7 Be5 $11 )26. Bxa7 Bxc3 27. bxc3 Rg1+ 28. Kc2 Na3+ $11 )Kg8 26. Rxd6 {After this move the bishop appears misplaced.} ({It was better to get the bishop back into play with} 26. Bxd6 Nc4 27. Nd1 a5 {and there is much play left for both sides.} )Nc4 27. Rdd7 Ne5 $2 ({Black should give himself a passed pawn. Ris offers} 27... Rxf2 $1 28. Bg5 Rxb2+ 29. Rxb2 Nxb2 30. Nd5 {Now} Rb8 31. Rxa7 Nc4+ {with dynamic play-NSH} )28. Rd2 Nf3 29. Rd8+ $2 {White hopes to minimize Black's initiative with this exchange of rooks. But in thie ensuing position here the Black pieces still are better placed to attack.} ({In stead he should have played} 29. Rdd7 $1 Rxf2 30. Bc5 Rf1+ 31. Kc2 Bh6 32. Bxa7 Ne5 $11 {-NSH} )Rxd8 30. Bxd8 Rxf2 $2 {allowing White also to capture the a-pawn, giving him counterchances.} ({Ris gives instead} 30... Nd4 $1 31. a4 Nc6 32. Bc7 Rxf2 $19 )31. Rxa7 g5 32. Nd5 Nd4 $2 { preparing 33...Nc6 followed by 34...Rxb2+. Yet it turns out to be an illusory threat-NSH} (32... Rxb2+ 33. Kc1 Rb5 {guarding against 34.Ne7+ followed by 35. Nxf5.} 34. Rd7 g4 {seems good-NSH} ({After} 34... f4 35. Bxg5 $1 Nxg5 36. Nxf4 {Black is a piece up. But he has no chance to win.} ))({Ris gives the stronger } 32... Nd2+ $1 33. Kc1 Ne4 $17 )33. a4 $2 {rushing to advance his own pawns on the kingside} ({However, it was important to eliminate one of Black's own advancing pawns.} 33. Bxg5 $1 Rf1+ 34. Bc1 Bh6 35. Rc7 Kf8 36. a4 Ne2 37. a5 Nxc1 38. a6 Nb3+ 39. Ka2 Ra1+ 40. Kxb3 Rxa6 $11 )Nc6 34. Ra8 Rxb2+ $4 { This prolongs the game a little.} ({Ris gives} 34... Nxd8 $1 35. Rxd8+ Kh7 $19 )35. Kc1 Nxd8 36. Rxd8+ Kh7 37. Rd7 Rf2 ({Ris gives a beautiful line,} 37... Ra2 $1 38. Ne7 f4 39. Nf5 Kg6 $1 40. Nxg7 f3 $19 )38. a5 g4 39. Ne3 g3 40. Rd2 Bh6 0-1