[Site "?"] [Round "0"] [White "Cowan, Eugene L"] [Black "Blanchard, W.H."] [Result "1-0"] [ECO "C33"] [Opening "KGA: Breyer Gambit"] 1. e4 e5 2. f4 exf4 3. Qf3 g5 4. Bc4 Nf6 5. Ne2 Nc6 6. d4 d6 7. Nbc3 Bg4 8. Qf2 Bg7 9. Bd2 Qe7 10. O-O-O O-O 11. Rde1 Nxe4 12. Nxe4 Qxe4 13. Nxf4 Qxd4 14. Qxd4 Nxd4 15. Nd5 Ne6 16. h3 Bh5 17. Ne7+ Kh8 18. Bxe6 fxe6 19. Rxe6 h6 20. h4 Bf7 21. Rxh6+ Bxh6 22. hxg5 {#r} 1-0

[Event "1948 Postal Game"] [Site "?"] [Round "0"] [White "Evans, E.I."] [Black "Cowan, Eugene"] [Result "0-1"] [ECO "B02"] [Opening "Alekhine Defence"] 1. e4 Nf6 2. f3 e5 3. Nh3 Bc5 4. c4 d6 5. Nc3 Nh5 6. a3 Bxh3 7. gxh3 Qh4+ 8. Ke2 Nf4# 0-1

[Event "CCLA Postal Game"] [Site "?"] [Round "0"] [White "Cowan, E.L."] [Black "Steckel, William H"] [Result "0-1"] [ECO "C01"] [Opening "French: Exchange, 4.Nf3 Nf6"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Be7 6. O-O O-O 7. Nc3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Ne5 Bxd3 11. Qxd3 c6 12. Be3 Nbd7 13. Rae1 Ne8 14. Qf5 Nxe5 15. dxe5 g6 16. Qd3 Ng7 17. f4 f6 18. exf6 Bxf6 19. Bc5 Re8 20. Rxe8+ Qxe8 21. Bd4 Bxd4+ 22. Qxd4 Qe7 23. f5 Qh4 24. Qd3 gxf5 25. gxf5 Rf8 26. Ne2 Nh5 27. Qe3 Nf6 28. Qg3+ Qxg3+ 29. Nxg3 Re8 30. Rf4 Kf7 31. Kf2 c5 32. c3 Ke7 33. Ke3 Kd6+ 34. Kd2 Ke5 35. Rf1 Rg8 36. Rf3 Rxg3 {#R} 0-1

[Event "1957 Montana Open"] [Site "Butte, MT"] [Round "0"] [White "Cowan, Eugene L"] [Black "Moore, Gerald"] [Result "0-1"] [ECO "C30"] [Opening "KGD: Classical, 3.Nf3 d6 4.Nc3"] 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bc4 Nf6 6. d3 Bg4 7. h3 Bxf3 8. gxf3 Nh5 9. Nd5 Qh4+ 10. Kd2 O-O-O 11. c3 Nxf4 12. Nxf4 Qxf4+ 13. Kc2 Qf6 14. h4 h6 15. b4 Bb6 16. a4 a5 17. Qe2 axb4 18. Bd2 bxc3 19. Bxc3 Ba5 20. Bd5 Bxc3 21. Kxc3 Nd4 22. Qb2 c6 23. Rhb1 Rd7 24. Bc4 Qd8 25. a5 Rc7 26. a6 Nb5+ 27. Kd2 bxa6 28. Rxa6 Kd7 29. Bxb5 cxb5 30. Qxb5+ Ke7 31. Rb6 Qa8 32. Qb4 Rd8 33. Rb3 Qa2+ 34. Rb2 Qa1 35. Rb1 Qa8 36. Qb3 Qa5+ 37. Kd1 Qc5 38. Qb4 Qc2+ 39. Ke1 Qxd3 40. Qb3 Qxb3 41. R1xb3 Rdc8 42. Rd3 Rc6 43. Rb5 f5 44. exf5 Kf6 45. Rbd5 Rd8 46. f4 exf4 47. Kf2 Rc2+ 48. Kf3 Rh2 49. Kg4 h5+ 50. Kxh5 Rh8+ {#R} 0-1

[Event "1957 Montana Open"] [Site "Butte, MT"] [Round "0"] [White "Stewart, C.H."] [Black "Cowan, Eugene L"] [Result "1-0"] [ECO "B10"] [Opening "Caro-Kann: 2.Nc3 d5"] 1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. d4 Nf6 5. Nf3 Nc6 6. h3 e6 7. Bd3 Qc7 8. O-O Be7 9. Ne2 Bd7 10. c3 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. Bf4 Qh5 14. Qb3 Bc6 15. Rae1 Ne4 16. Ng3 Nxg3 17. Bxg3 Rd8 18. Re5 Qh6 19. Rfe1 Rd7 20. Qb4 Qf6 21. Rf5 Kd8 22. Rxf6 Bxb4 23. Rxc6 bxc6 24. cxb4 Rf8 25. Rc1 Rb7 26. Rxc6 Re8 27. Rd6+ Ke7 28. Rxd5 Rxb4 29. Re5+ Kd7 30. Rxe8 Kxe8 31. b3 Rd4 32. Bb5+ Ke7 33. a4 Rd1+ 34. Kh2 Rb1 35. Bc4 f6 36. Bb8 a6 37. Bf4 Kd7 38. Bd2 Rb2 39. Bb4 Rxf2 40. Bxa6 f5 {#r} 1-0

[Event "Teton Valley Chess Club Tournament Game"] [Site "?"] [Round "0"] [White "Cowan, Eugene"] [Black "Robinson, Dale"] [Result "1-0"] [ECO "D21"] [Opening "QGA: 3.Nf3 Bg4"] 1. d4 d5 2. c4 dxc4 3. Nf3 Bg4 4. e3 Nf6 5. Bxc4 a6 6. Nc3 b5 7. Bb3 Nbd7 8. Ng5 Bxd1 9. Bxf7# 1-0

[Event "1958 Eastern Idaho Tournament"] [Site "?"] [Round "0"] [White "Cowan, Eugene"] [Black "Guth, Eugene"] [Result "0-1"] [ECO "D00"] [Opening "Blackmar-Diemer Gambit (BDG): 2.e4"] 1. d4 d5 2. e4 Nc6 3. e5 Bf5 4. Bb5 e6 5. c4 dxc4 6. Qa4 Be4 7. f3 Bd5 8. Nc3 Nge7 9. Bxc4 Bxc4 10. Qxc4 Qxd4 11. Qxd4 Nxd4 12. Rb1 O-O-O 13. Nge2 Nec6 14. O-O Bc5 15. Kh1 Nxe2 16. Nxe2 Nxe5 17. b4 Bb6 18. Bf4 Nd3 19. Bg3 Rd7 20. Nc3 Rhd8 21. Ne4 h6 22. h3 f5 23. Nc3 g5 24. Kh2 f4 25. Be1 Nxe1 26. Rfxe1 e5 27. Ne4 Rd3 28. Rb2 Re3 29. Rbe2 Rxe2 30. Rxe2 Rd1 31. Nf6 Bg1+ 32. Kh1 Bf2+ {#R} 0-1

[Event "1958 Eastern Idaho Tournament"] [Site "?"] [Round "0"] [White "Cowan, Eugene"] [Black "Millar, Mrs. Bernice"] [Result "1-0"] [ECO "C41"] [Opening "Philidor: 3.d4"] 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. Bc4 Qf6 5. dxe5 dxe5 6. Bg5 Bxf3 7. Qxf3 Qxf3 8. gxf3 Be7 9. Rg1 Nf6 10. Nc3 O-O 11. Bh6 Nh5 12. Nd5 Nc6 13. O-O-O Rad8 14. Nxe7+ Nxe7 15. Rg5 Rxd1+ 16. Kxd1 Rd8+ 17. Ke2 g6 18. Rxe5 Nc6 19. Rd5 Nd4+ 20. Kd3 Rxd5 21. Bxd5 Nxf3 22. Bxb7 Nxh2 23. Bc8 Nf3 24. Kc3 Nf6 25. Bb7 Ng4 26. Bf4 Nxf2 27. Bxc7 Nd1+ 28. Kb4 Nxb2 29. Kb3 Nd1 30. c3 Nf2 31. e5 h5 32. Bxf3 h4 {#r} 1-0

[Event "1958 Eastern Idaho Tournament"] [Site "?"] [Round "0"] [White "Cziep, Alois"] [Black "Cowan, Eugene"] [Result "1-0"] [ECO "B20"] [Opening "Sicilian: 2.Bc4"] 1. e4 c5 2. Bc4 Nc6 3. d3 d6 4. Nf3 Nf6 5. a3 g6 6. O-O Bg7 7. h3 O-O 8. Bg5 Qb6 9. Bb3 Bd7 10. Nc3 e6 11. Nd2 Nd4 12. Nc4 Qc7 13. f4 b5 14. Nxd6 Nxb3 15. cxb3 Qxd6 16. e5 Qd4+ 17. Kh1 Nh5 18. Ne4 Bc6 19. Kh2 Bxe4 20. dxe4 Qxe4 21. Qf3 Qc2 22. Rf2 Qf5 23. g4 Qxg5 24. fxg5 Bxe5+ 25. Kg1 Nf4 26. Re1 Bc7 27. Re4 e5 28. Kh2 Rad8 29. Re3 Rfe8 30. Qc6 Bb8 31. Rxf4 {#r} 1-0

[Event "1959 Idaho Closed"] [Site "?"] [Round "0"] [White "Cowan, Eugene L"] [Black "Vandenburg, R.S."] [Result "1-0"] [ECO "B06"] [Opening "Modern: Three Pawns Attack"] 1. e4 g6 2. d4 Bg7 3. f4 d6 4. c3 e6 5. Bd3 f5 6. Nf3 d5 7. e5 Nh6 8. Nbd2 Nd7 9. Ng5 Qe7 10. b3 Nf7 11. Ndf3 Nxg5 12. Nxg5 h6 13. Nf3 Bf8 14. Be3 Qg7 15. h3 Be7 16. Qe2 b6 17. Kd2 Bb7 18. g4 Kf7 19. Rag1 Qh7 20. Rg2 Rhg8 21. Rhg1 a5 22. h4 c5 23. h5 cxd4 24. Bxd4 gxh5 25. gxf5 exf5 26. e6+ Ke8 27. Rxg8+ Nf8 28. R1g7 {#r} 1-0

[Event "1959 Teton Valley Tourney"] [Site "?"] [Round "0"] [White "Cowan, Eugene"] [Black "Schiess, Ed"] [Result "1-0"] [ECO "A45"] [Opening "Indian: 2.c3"] 1. d4 Nf6 2. c3 d5 3. Nf3 Nc6 4. e3 e6 5. Bd3 Bd6 6. Nbd2 O-O 7. Nb3 a6 8. a4 Bd7 9. Qc2 Qe7 10. Ng5 h6 11. h4 g6 12. Nh3 e5 13. e4 dxe4 14. Bc4 Bf5 15. Bxh6 e3 16. Qe2 exf2+ 17. Nxf2 Rfe8 18. O-O-O Qd7 19. Qd2 e4 20. Rde1 Na7 21. Nc5 Bxc5 22. dxc5 Qxa4 23. Qd4 Nh5 24. Bxf7+ Kxf7 25. Qxa4 {#r} 1-0

[Event "1959 Teton Valley Tourney"] [Site "?"] [Round "0"] [White "Lauritzen, Carlos"] [Black "Cowan, Eugene"] [Result "0-1"] [ECO "C42"] [Opening "Russian Game: Italian Variation"] 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nxe5 d5 5. Bb3 Bc5 6. O-O O-O 7. d3 Nxf2 8. Rxf2 Qh4 9. Qf3 Bxf2+ 10. Qxf2 Qh5 11. d4 Qd1+ 12. Qf1 Qxd4+ 13. Kh1 Qxe5 {#R} 0-1

[Event "1959 Teton Valley vs. Idaho Falls"] [Site "?"] [Round "0"] [White "Cowan, Eugene"] [Black "Cziep, Alois"] [Result "1-0"] [ECO "A04"] [Opening "Reti: 1...Nc6"] 1. Nf3 Nc6 2. c4 d6 3. g3 Nf6 4. Bg2 e5 5. d3 h6 6. Nc3 Bg4 7. Qa4 a6 8. O-O Bd7 9. Qb3 Na5 10. Qc2 Be7 11. b4 Nc6 12. a3 O-O 13. e3 Ne8 14. d4 Rb8 15. d5 Na7 16. e4 f5 17. Ne1 f4 18. gxf4 exf4 19. f3 Bh4 20. Ne2 Bxe1 21. Rxe1 Qg5 22. Qd2 Bh3 23. Nd4 Rf6 24. Kh1 Bxg2+ 25. Qxg2 Qxg2+ 26. Kxg2 g5 27. Ne6 Rg6 28. Kf2 Kf7 29. Bd2 c6 30. Bc3 b6 31. Re2 Rc8 32. Bd4 c5 33. bxc5 bxc5 34. Bc3 Nc7 35. Nxc7 Rxc7 36. e5 Rb7 37. exd6 Rxd6 38. Rae1 Nc8 39. Re6 h5 40. R1e5 Rb3 41. Rf5+ Kg8 42. Re8+ Kh7 43. Be5 Kg6 44. Rff8 Rdb6 45. Rxc8 Rxa3 46. Rc6+ Rxc6 47. dxc6 {#r} 1-0

[Event "Teton Valley"] [Site "?"] [Round "0"] [White "Schiess, Ervin"] [Black "Cowan, Eugene"] [Result "0-1"] [ECO "A00"] [Opening "Van Kruijs"] 1. e3 e5 2. e4 Nf6 3. Nc3 Bc5 4. Nf3 O-O 5. d3 Ng4 6. Be3 Nxe3 7. fxe3 Bxe3 8. Nxe5 d6 9. Nc4 Bf4 10. Nd5 Qh4+ 11. Ke2 Bg4# 0-1

[Event "1959 Idaho Open"] [Site "Boise, ID"] [Date "1959.05.30"] [Round "2"] [White "Dolph, Phil"] [Black "Cowan, Eugene"] [Result "0-1"] [ECO "D08"] [Opening "QGD: Albin, 4.Nf3 Nc6"] 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bf5 6. Bg2 Nge7 7. O-O Ng6 8. a3 Qd7 9. Nbd2 Be7 10. Qb3 O-O-O 11. Rd1 h5 12. h4 Bh3 13. Ne4 Bxg2 14. Kxg2 Qg4 15. Neg5 Nxh4+ 16. Nxh4 Bxg5 17. Bxg5 Qxg5 18. f4 Qe7 19. Nf3 f6 20. Qd3 fxe5 21. Qf5+ Qd7 22. Qxd7+ Rxd7 23. fxe5 Re8 24. Kf2 Nxe5 25. Nxe5 Rxe5 26. Rd2 Rf7+ 27. Kg2 c5 28. Re1 g5 29. Rd3 g4 30. b4 b6 31. Rd2 Re3 32. Rd3 Rfe7 33. Kf2 Rxd3 34. exd3 Rxe1 35. Kxe1 Kd7 36. b5 Ke6 {#R} 0-1

[Event "1959 Eastern Idaho Open"] [Site "Pocatello, ID"] [Date "1959.10.24"] [Round "1"] [White "Schubert, Mel"] [Black "Cowan, Eugene"] [Result "1-0"] [ECO "A40"] [Opening "Queen's Pawn: 1...e6 2.c4"] 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Nf3 Ne4 5. Qc2 Nxc3 6. bxc3 Be7 7. e4 d5 8. cxd5 exd5 9. e5 Be6 10. Be2 Nd7 11. O-O O-O 12. Bd3 h6 13. Re1 Rc8 14. Bf5 c5 15. Bxe6 fxe6 16. Qg6 Rf7 17. Bxh6 Nf8 18. Qg4 cxd4 19. cxd4 Rc6 20. h4 Nh7 21. Be3 Bb4 22. Rec1 Rfc7 23. Rxc6 Rxc6 24. h5 Kh8 25. Nh4 Nf8 26. Ng6+ Nxg6 27. hxg6 Qe7 28. Qh5+ Kg8 29. Bg5 Qf8 30. Qh7# 1-0

[Event "1959 Eastern Idaho Open"] [Site "Pocatello, ID"] [Date "1959.10.25"] [Round "4"] [White "Cowan, Eugene"] [Black "Robinson, Nigel"] [Result "1/2-1/2"] [ECO "A21"] [Opening "English: King's, 2.Nc3"] 1. c4 e5 2. Nc3 c6 3. Nf3 d6 4. g3 Nf6 5. Bg2 Be6 6. d3 h6 7. Qc2 d5 8. Nxe5 Bd6 9. cxd5 Nxd5 10. Bxd5 Bxd5 11. Nxd5 Qa5+ 12. Nc3 Bxe5 13. Bd2 Bxc3 14. Qxc3 Qxc3 15. Bxc3 O-O 16. O-O Re8 17. e3 Nd7 18. b4 a6 19. Rab1 b5 20. Rb2 Nb6 21. Rc2 Red8 22. Bd4 Nd5 23. a3 Rac8 24. Rfc1 Rd6 25. Bc5 Re6 26. e4 Nf6 27. f3 Nd7 28. Be3 Ne5 29. d4 Nc4 30. Rc3 f5 31. e5 Rd8 32. Kf2 Ra8 33. Ke2 a5 34. f4 axb4 35. axb4 Ra2+ 36. R1c2 Ra1 37. Rc1 Ra2+ 38. R3c2 Ra4 39. Bd2 Kf7 40. Bc3 Ra8 41. Ra1 Rae8 42. Ra7+ Kg6 43. Rc7 R8e7 44. Rxe7 Rxe7 45. Rc1 Kf7 46. Rd1 Ke6 47. h3 Ra7 48. Ra1 Rxa1 49. Bxa1 Nb6 50. Bc3 Nd5 51. Bd2 g6 52. g4 Ne7 53. Kf3 Kd5 54. Ke3 Ke6 55. gxf5+ Kxf5 56. Kf3 h5 57. Be3 Nd5 58. Bd2 Nc7 59. Kg3 Ne6 60. Be3 Nc7 61. Kf3 Ne6 62. Bf2 Nc7 63. Be3 Ne6 {#d} 1/2-1/2

[Event "1960 Utah-Idaho Match"] [Site "Moscow"] [Date "1960.09.10"] [Round "0"] [White "Fisher, Jim (Utah)"] [Black "Cowan, E.L. (Idaho)"] [Result "1-0"] [ECO "D05"] [Opening "Colle: Rubinstein's Attack"] 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. Nbd2 Qc7 7. Bb2 Bd6 8. O-O Bd7 9. a3 h5 10. Qe2 Ng4 11. g3 f6 12. c4 Kf7 13. dxc5 Bxc5 14. b4 Be7 15. Rac1 Qd8 16. cxd5 exd5 17. b5 Nce5 18. h3 Rh6 19. hxg4 hxg4 20. Bxe5 Qh8 21. Nh4 fxe5 22. Bg6+ Rxg6 23. Nxg6 Kxg6 24. Qd3+ Bf5 25. Qxd5 Rd8 26. Qxb7 Rd7 27. Qa6+ Kf7 28. Nc4 g6 29. Qc6 Be6 30. Rfd1 Rxd1+ 31. Rxd1 Qf6 32. Nd6+ Kf8 33. Qe8+ Kg7 34. Ne4 Qf8 35. Qxf8+ Kxf8 36. Nd6 Bd8 37. Nb7 Bb6 38. Rd6 Ke7 39. a4 Bc8 40. Rxg6 Kf7 41. Rxb6 axb6 42. Nd6+ Ke7 43. Nxc8+ Kd7 44. Nxb6+ Kc7 45. a5 Kd6 46. Kf1 {#r} 1-0

[Event "Idaho Closed Championship"] [Site "Twin Falls (ID)"] [Round "1"] [White "Buckendorf Glen (ID)"] [Black "Cowan Eugene L (ID)"] [Result "1-0"] [ECO "B10"] [Opening "Caro-Kann: Goldman/Spielmann"] 1. e4 c6 2. Nc3 d5 3. Qf3 d4 4. Bc4 Nf6 5. Nce2 e5 6. d3 Bg4 7. Qg3 Nbd7 8. Bg5 Qa5+ 9. Bd2 Qb6 10. Nf3 Bb4 11. c3 dxc3 12. bxc3 Bd6 13. O-O h5 14. Rfe1 h4 15. Nxh4 O-O-O 16. Bxf7 Rdf8 17. Ng6 Nh5 18. Qxg4 Rxf7 19. Be3 Qd8 20. Nxh8 Qxh8 21. Ng3 Nhf6 22. Qe6 Re7 23. Qxd6 Rf7 24. h3 Ne8 25. Qe6 Rf6 26. Qg4 g6 27. Bxa7 b6 28. Bxb6 Rf4 29. Qe6 Rf6 30. Qb3 c5 31. Ba5 Qf8 32. Rab1 Nd6 33. Re2 {#r} 1-0

[Event "Idaho Open"] [Site "Boise (ID)"] [Round "1"] [White "Buckendorf Glen (ID)"] [Black "Cowan Eugene L (ID)"] [Result "0-1"] [ECO "A00"] [Opening "Ware Opening"] 1. a4 {No score found in scorebook.} {#R} 0-1

[Event "Ponderosa Open"] [Site "Burley (ID)"] [Round "4"] [White "Buckendorf Glen (ID)"] [Black "Cowan Eugene L (ID)"] [Result "1-0"] [ECO "B01"] [Opening "Scandinavian: Marshall, 4.c4"] 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nf6 5. Nf3 Bf5 6. h3 h6 7. Nc3 e6 8. Bd3 Bxd3 9. Qxd3 c5 10. Be3 Nc6 11. O-O-O cxd4 12. Nxd4 Ne5 13. Qe2 Qa5 14. f4 Nc6 15. f5 Nxd4 16. Bxd4 Qxf5 17. Nb5 Qf4+ 18. Kb1 Be7 19. Rhf1 Qb8 20. Be5 Qc8 21. Nc7+ Kf8 22. Nxa8 Qxa8 23. Bxf6 gxf6 24. Rd7 Qc8 25. Rfd1 Ke8 26. Qf3 Qxd7 27. Rxd7 Kxd7 28. Qxb7+ Ke8 29. Qxa7 Rg8 30. c5 Rg5 31. c6 Rc5 32. Qd7+ Kf8 33. c7 f5 {(1-0,47) The rest of this score cannot be reconstructed.} {#r} 1-0

[Event "Idaho Closed Championship"] [Site "Twin Falls (ID)"] [Round "2"] [White "Buckendorf Glen (ID)"] [Black "Cowan Eugene L (ID)"] [Result "0-1"] [ECO "A00"] [Opening "Benko Opening"] 1. g3 d5 2. Bg2 Nf6 3. f4 c6 4. Nf3 Nbd7 5. e3 Qc7 6. d4 Ne4 7. Ne5 Ndf6 8. Nd2 b6 9. c4 e6 10. cxd5 exd5 11. Nxe4 Nxe4 12. Bxe4 dxe4 13. Bd2 Bb7 14. Rc1 Qd6 15. O-O Be7 16. Qc2 Qd5 17. Qc4 Qxc4 18. Rxc4 Ba6 19. Rxc6 Bxf1 20. Kxf1 O-O 21. b4 f6 22. Re6 fxe5 23. Rxe7 exf4 24. gxf4 Rfe8 25. Re5 Rac8 26. b5 Rxe5 27. fxe5 Rc2 28. Bb4 Rxa2 29. e6 Rb2 30. Bd6 Rxb5 31. Ke2 Rd5 32. Ba3 g6 33. Kd2 Kg7 34. Kc3 Kf6 35. e7 Kf7 36. Kc4 Rd7 37. d5 Rxe7 38. Bxe7 Kxe7 39. Kd4 Kd6 40. Kxe4 a5 41. Kd4 a4 42. e4 a3 43. e5+ Kd7 44. Kc3 b5 45. Kb3 b4 46. e6+ Ke7 47. Ka2 g5 48. Kb3 g4 49. Ka2 {#R} 0-1

[Event "Idaho Open"] [Site "Boise (ID)"] [Round "0"] [White "Buckendorf Glen (ID)"] [Black "Cowan Eugene L (ID)"] [Result "0-1"] [ECO "A05"] [Opening "Reti: KIA"] 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. d3 Nc6 5. Nbd2 g6 6. e4 Bg7 7. O-O dxe4 8. dxe4 O-O 9. h3 Rb8 10. Qe2 e5 11. c3 b5 12. Rd1 Qc7 13. a4 b4 14. Nc4 Ba6 15. Bg5 Na5 16. Nfd2 bxc3 17. bxc3 Rb2 18. Qf3 Nxc4 19. Nxc4 Bxc4 20. Bxf6 Be2 {#R} 0-1

[Event "Idaho Open"] [Site "Boise, ID"] [Date "1978.05.06"] [Round "2"] [White "Cowan, Eugene"] [Black "Rukavina, John"] [Result "1-0"] [WhiteElo "1574"] [BlackElo "1755"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O c5 6. Nc3 Be7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 d5 10. Qa4+ Kf8 11. Bf4 Nbd7 12. Nc6 Nc5 13. Qc2 Qd7 14. Ne5 Qb7 15. cxd5 exd5 16. Kg1 d4 17. Nb5 Ne6 18. Rac1 g5 19. Bd2 Qd5 20. Qc6 Kg7 21. Qxd5 Nxd5 22. Rc4 Bf6 23. Nf3 a6 24. Nbxd4 Nxd4 25. Nxd4 b5 26. Nf5+ Kg6 27. Rc5 Rhd8 28. e4 Ne7 29. Nxe7+ Bxe7 30. Rc6+ Kg7 31. Bc3+ Kg8 32. Re1 b4 33. Bf6 Bxf6 34. Rxf6 Rd2 35. Rc1 Kg7 {Black is now in bad time trouble.} 36. e5 Re2 37. Rc7 Rf8 38. Rxa6 Rxb2 {...RxKP - Editor.} 39. e6 Kg8 40. e7 Re8 41. Ra5 Re2 42. Rxg5+ Kh8 43. Rg4 Rxa2 44. Rxb4 Re2 45. Rbb7 Kg7 46. Rd7 Kf6 47. Kg2 R2xe7 48. Rxe7 Rxe7 49. Rxe7 Kxe7 50. Kf3 Ke6 51. Kf4 Kf6 52. g4 Kg6 53. h4 Kf6 { Adjourned here.} 54. f3 Kg6 55. Ke5 Kg7 56. h5 Kh6 $1 57. Kd6 Kg5 58. Ke5 Kh6 $1 59. Kf5 f6 60. f4 Kg7 61. Ke6 Kh6 62. Kf7 $1 f5 63. gxf5 {#r} 1-0

[Event "Idaho Open"] [Site "Boise, ID"] [Date "1978.05.06"] [Round "3"] [White "Cowan, Eugene"] [Black "Brown, Harold J"] [Result "0-1"] [WhiteElo "1574"] [BlackElo "1961"] [ECO "A16"] [Opening "English: Anglo-Indian, 2.Nc3 g6 3.g3"] 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e3 e5 6. Nge2 d6 7. O-O Nc6 8. d4 Rb8 9. a3 Bd7 10. Qc2 a6 11. Bd2 Re8 12. f4 exd4 13. Nxd4 Nxd4 14. exd4 Bf5 15. Qa4 Ng4 16. c5 dxc5 17. Bf3 Bxd4+ 18. Kg2 Be3 {#R} 0-1

[Event "1960 Idaho Open"] [Site "Meridian, ID"] [Date "1960.05.28"] [Round "1"] [White "Cowan, Eugene"] [Black "Franett, Mike"] [Result "0-1"] [ECO "B23"] [Opening "Sicilian: Closed"] 1. e4 c5 2. Nc3 d6 3. d3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nge2 O-O 7. O-O Nc6 8. Rb1 e6 9. Bd2 d5 10. exd5 exd5 11. Bg5 Be6 12. Qd2 Qd7 13. Nf4 d4 14. Bxf6 Bxf6 15. Ne4 Be7 16. Nxe6 Qxe6 17. a3 f5 18. Ng5 Bxg5 19. Qxg5 Rae8 20. h4 Nd8 21. Rbe1 Qxe1 22. Bd5+ Kg7 23. Rxe1 Rxe1+ 24. Kg2 Nf7 25. Qd2 Re7 26. c3 Rd8 27. Bc4 Ne5 28. Bb3 b6 29. h5 dxc3 30. h6+ Kf6 31. Qc2 Rxd3 32. bxc3 Red7 33. Ba4 Rd8 34. Bb5 Rd2 35. Qa4 Ng4 36. Qxa7 Rxf2+ {#R} 0-1

[Event "Correspondence Play"] [Site "Meridian, ID"] [Round "0"] [White "Uberti, John"] [Black "Cowan, E.L."] [Result "0-1"] [ECO "A02"] [Opening "Bird: From Gambit, 3...Bxd6"] 1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. g3 g4 6. Nh4 Qe7 7. Nc3 Nf6 8. e3 Nh5 9. Ng2 Nxg3 {#R} 0-1