[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.05.02"]
[Round "14"]
[White "Baay, Jacob G"]
[Black "Ozols, Karlis Alexander"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "68"]
[EventDate "1951.04.16"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Ne2 Qa5 9. Bd2 c4 10. Nf4 g6 11. h4 h5 12. g4 hxg4 13. Qxg4 Bd7 14. Qg5 0-0-0 15. Be2 Rdg8 16. Bf3 Qd8 17. Ke2 Nf5 18. Qxd8+ Kxd8 19. Be3 Nce7 20. Ng2 Nxe3 21. Nxe3 Rg7 22. h5 Rgh7 23. hxg6 Nxg6 24. Ng4 Rxh1 25. Bxh1 Rh3 26. Kd2 Nh4 27. a5 Bc6 28. Rb1 Kc7 29. Ne3 Ng6 30. Ng4 Rh8 31. Bf3 Nh4 32. Be2 Nf5 33. Rg1 b6 34. axb6+ Kxb6 1/2-1/2

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.05.02"]
[Round "15"]
[White "Hanks, John"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "E33"]
[PlyCount "73"]
[EventDate "1951.04.17"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bd2 0-0 7. a3 Bxc3 8. Bxc3 Re8 9. Rd1 Qe7 10. g3 e5 11. d5 e4 12. Nh4 Ne5 13. Bxe5 Qxe5 14. Ng2 e3 15. Nxe3 Ne4 16. f4 Qe7 17. Rd3 g5 18. f5 Bd7 19. Bg2 Nc5 20. Rc3 Na4 21. Rb3 Nc5 22. Rc3 Na4 23. Rb3 Nc5 24. Rc3 g4 25. b4 Qg5 26. bxc5 Rxe3 27. Qd2 Rae8 28. 0-0 dxc5 29. Rb1 Qe7 30. f6 Qe5 31. Rxe3 Qxe3+ 32. Qxe3 Rxe3 33. Kf2 Rxa3 34. Rxb7 h5 35. Be4 Kf8 36. Rb8+ Be8 37. d6 1-0

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.05.01"]
[Round "13"]
[White "Arlauskas, Romanas"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "C61"]
[PlyCount "53"]
[EventDate "1951.04.16"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nd4 5. Ba4 c6 6. c3 Nxf3+ 7. Qxf3 Ne7 8. d3 0-0 9. Be3 Bb6 10. d4 d6 11. dxe5 dxe5 12. Bb3 Kh8 13. Rd1 Qe8 14. Na3 Bxe3 15. Qxe3 f5 16. Nc4 Qh5 17. Qc5 fxe4 18. Qxe7 Bg4 19. Nxe5 Bxd1 20. Rxd1 h6 21. Rd7 Rg8 22. Bxg8 Rxg8 23. Nf7+ Kh7 24. Qxe4+ Qg6 25. Qxg6+ Kxg6 26. Rxb7 Re8 27. Kf1 1-0

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.04.29"]
[Round "12"]
[White "Baay, Jacob G"]
[Black "Steiner, Lajos"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "70"]
[EventDate "1951.04.17"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. 0-0 Be7 8. f4 Nc6 9. Be3 Qc7 10. Qe1 0-0 11. Qg3 Nd7 12. Rad1 Bf6 13. Kh1 Re8 14. a3 Nf8 15. f5 Be5 16. Qh3 Ne7 17. Bd3 Bd7 18. Rf3 Nc6 19. Nde2 Bf6 20. Qh5 Ne5 21. Rg3 g6 22. Bh6 Kh8 23. fxg6 fxg6 24. Qh3 d5 25. Bxf8 Rxf8 26. exd5 exd5 27. Qh6 Ng4 28. Rxg4 Bxg4 29. Nf4 Qg7 30. Nxg6+ Kg8 31. Qxg7+ Bxg7 32. Nxf8 Bxd1 33. Ne6 Bxc3 34. bxc3 Re8 35. Bf5 Kf7 0-1

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.04.26"]
[Round "9"]
[White "Klass, Harry"]
[Black "Baay, Jacob G"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "66"]
[EventDate "1951.04.17"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. 0-0 0-0 6. d4 Bb6 7. dxe5 Nxe4 8. Qd5 Nc5 9. Be3 Ne7 10. Qd1 c6 11. Bc4 d5 12. exd6 Nf5 13. Bf4 Ne4 14. Qc2 Nexd6 15. Bd3 h6 16. Nbd2 Be6 17. Ne4 Nxe4 18. Bxe4 Nh4 19. Rfe1 f5 20. Rad1 Qf6 21. Be5 Qf7 22. Bxc6 Nxg2 23. Kxg2 bxc6 24. b3 Bd5 25. c4 Be4 26. Rxe4 fxe4 27. Qxe4 Rae8 28. Re1 Bc7 29. Re2 Re6 30. Re3 Bxe5 31. Nxe5 Qxf2+ 32. Kh3 Rf4 33. Ng4 Rfxe4 0-1

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.04.24"]
[Round "8"]
[White "Baay, Jacob G"]
[Black "Foster, PM."]
[Result "1-0"]
[ECO "C73"]
[PlyCount "49"]
[EventDate "1951.04.17"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 exd4 6. Bxc6+ bxc6 7. Qxd4 c5 8. Qd3 Ne7 9. Bg5 f6 10. Be3 Be6 11. Nc3 g6 12. h4 h5 13. Ne2 Bg7 14. Nf4 Bf7 15. Rd1 Rb8 16. b3 a5 17. Qc3 Qc8 18. Qxa5 Nc6 19. Qa4 Qb7 20. Nd5 0-0 21. Qxc6 Qxc6 22. Ne7+ Kh7 23. Nxc6 Ra8 24. e5 fxe5 25. Ng5+ 1-0

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.04.22"]
[Round "6"]
[White "Berzzarins, Gunars Eizens"]
[Black "Baay, Jacob G"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "40"]
[EventDate "1951.04.17"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 Ne4 7. Qb3 Nxc3 8. bxc3 e6 9. e3 Bd6 10. Bxd6 Qxd6 11. Be2 0-0 12. 0-0 Na5 13. Qb4 Qc7 14. Bd3 Bd7 15. Rab1 Rab8 16. Qe7 Qd8 17. Qd6 Ba4 18. Qe5 Qf6 19. Qc7 Qd8 20. Qc5 Qf6 1/2-1/2

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.04.21"]
[Round "5"]
[White "Baay, Jacob G"]
[Black "Bowman, DN."]
[Result "1-0"]
[ECO "C14"]
[PlyCount "73"]
[EventDate "1951.04.17"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. Nf3 c5 7. e5 Be7 8. dxc5 Nc6 9. Bd3 Bxc5 10. Qe2 Bd7 11. a3 a6 12. 0-0 0-0 13. Rad1 b5 14. b4 Be7 15. Nd2 Qc7 16. Rfe1 g6 17. Ncb1 Nd4 18. Qg4 Nf5 19. Qh3 Bc6 20. Nb3 Rfd8 21. N1d2 Rac8 22. Nf3 Ba8 23. g4 Ng7 24. Nbd4 Rf8 25. Re3 Qd7 26. Rde1 Rce8 27. Qh6 f5 28. gxf5 Nxf5 29. Bxf5 exf5 30. e6 Qa7 31. c3 f4 32. R3e2 Bf6 33. e7 Rxe7 34. Rxe7 Bxe7 35. Ne6 Bd6 36. Nxf8 Bxf8 37. Re8 1-0

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.04.19"]
[Round "3"]
[White "Baay, Jacob G"]
[Black "Crowl, Frank Arthur"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "41"]
[EventDate "1951.04.17"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 Nxd4 5. Nxd4 exd4 6. Qxd4 Qf6 7. e5 Qg7 8. 0-0 c6 9. Nc3 Ne7 10. Bg5 Nf5 11. Qe4 Rg8 12. Rad1 Be7 13. Bf6 Qf8 14. Ba4 Ng7 15. Nd5 cxd5 16. Qxd5 Kd8 17. Qa5+ b6 18. Qd5 b5 19. Qxb5 Kc7 20. Rxd7+ Bxd7 21. Qxd7+ 1-0

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.04.18"]
[Round "2"]
[White "Purdy, Cecil John Seddon"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "D47"]
[PlyCount "65"]
[EventDate "1951.04.17"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Be2 b4 9. Na4 Qa5 10. 0-0 Ba6 11. Re1 Rc8 12. Bxa6 Qxa6 13. e4 c5 14. b3 cxd4 15. Qxd4 h6 16. Bd2 Nc5 17. Rac1 Nxa4 18. bxa4 Rd8 19. Qb2 Qxa4 20. Rc4 a5 21. Nd4 Qd7 22. Bf4 g5 23. Nc6 Bg7 24. Nxd8 gxf4 25. Nc6 0-0 26. Nxa5 Ng4 27. Qxb4 Qa7 28. Qc5 Qxc5 29. Rxc5 Nxf2 30. Rc2 Ra8 31. Kxf2 Rxa5 32. Kf3 e5 33. Rb1 1-0

[Event "AUS-ch"]
[Site "Brisbane"]
[Date "1951.04.16"]
[Round "1"]
[White "Baay, Jacob G"]
[Black "Karoly, George"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "61"]
[EventDate "1951.04.16"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d3 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Bd7 12. Nf1 Qc7 13. Bg5 Be6 14. Ne3 Ng4 15. Nd5 Bxd5 16. exd5 Bxg5 17. Nxg5 Nf6 18. b4 cxb4 19. cxb4 Nb7 20. d4 exd4 21. Rc1 Qd7 22. Qd3 g6 23. Qxd4 Nh5 24. Qh4 h6 25. Nf3 Rfe8 26. g4 Nf4 27. Be4 g5 28. Nxg5 hxg5 29. Qh7+ Kf8 30. Qh6+ Kg8 31. Bh7+ 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.25"]
[Round "9"]
[White "Vinken, Alex"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "59"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Nf6 5. Nxe5 Bd6 6. Nxc6 bxc6 7. d4 Nxe4 8. Ba6 0-0 9. Bxc8 Rxc8 10. Qxc6 Re8 11. 0-0 Re6 12. Qb5 Qh4 13. f4 Rh6 14. h3 Rg6 15. Rf3 c6 16. Qf1 Re8 17. Be3 Ng3 18. Qf2 Nf5 19. Nd2 Rg3 20. Rxg3 Qxg3 21. Qxg3 Nxg3 22. Kf2 Nf5 23. Re1 g5 24. g4 Nxe3 25. Rxe3 Rxe3 26. Kxe3 Bxf4+ 27. Ke2 Kg7 28. Nb3 Bc7 29. Nc5 f6 30. Ne6+ 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.24"]
[Round "8"]
[White "Baay, Jacob G"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "E37"]
[PlyCount "79"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5 9. cxd5 Qxd5 10. Bc4 Qa5+ 11. b4 Nxb4 12. Qxe4 Nc2+ 13. Ke2 Qe1+ 14. Kf3 Nxa1 15. Bb2 0-0 16. Kg3 h6 17. h4 Qd2 18. Nf3 Qxb2 19. Ng5 Re8 20. Bxf7+ Kf8 21. Bxe8 Qc2 22. Ba4 Qxa4 23. Qf3+ Ke7 24. Qf7+ Kd8 25. Qf8+ Qe8 26. Nf7+ Kd7 27. Nxe5+ Kd8 28. Nf7+ Kd7 29. Qxg7 Nb3 30. Rb1 Nd2 31. Rb5 Ne4+ 32. Kh2 Kc6 33. Re5 Be6 34. d5+ Bxd5 35. Rxe8 Rxe8 36. Ne5+ Kb6 37. Nd3 c5 38. f3 Nd6 39. Qd7 Re6 40. Nf4 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.23"]
[Round "7"]
[White "Kramer, Haije J"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "E19"]
[PlyCount "71"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6 11. Bb2 Nc6 12. Qd2 Ne7 13. Ne1 Bxg2 14. Nxg2 Qe8 15. Rad1 Rd8 16. d5 Nc8 17. Bxf6 Rxf6 18. dxe6 Rxe6 19. Nf4 Re5 20. Qc3 c6 21. Rd2 d6 22. Qf3 g6 23. Rfd1 Kf7 24. h4 Ke7 25. h5 Kd7 26. b4 Kc7 27. a4 Qf7 28. b5 Re4 29. bxc6 Qxc4 30. Nd5+ Kxc6 31. Nc3 d5 32. Nxe4 fxe4 33. Qa3 Kb7 34. Rc1 Qa6 35. Qc3 Rf8 36. Qg7+ 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.22"]
[Round "6"]
[White "Vlagsma, Chris"]
[Black "Baay, Jacob G"]
[Result "0-1"]
[ECO "E33"]
[PlyCount "47"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bd2 0-0 7. a3 Bxc3 8. Bxc3 Re8 9. b4 e5 10. dxe5 dxe5 11. b5 e4 12. bxc6 exf3 13. gxf3 Qd6 14. Qd2 Qxc6 15. Rg1 Bf5 16. Rxg7+ Kxg7 17. Qg5+ Bg6 18. f4 Re6 19. e3 h6 20. Qh4 Rd8 21. Bh3 Qh1+ 22. Ke2 Bd3+ 23. Kd2 Bb1+ 24. Bd4 0-1

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.19"]
[Round "5"]
[White "Baay, Jacob G"]
[Black "Van Mindeno, Siegfried Bernard"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "67"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d3 Bg4 10. Nbd2 Na5 11. Bc2 c5 12. Nf1 Qc7 13. Ne3 Bh5 14. h3 Nc6 15. g4 Bg6 16. Kh2 Rfd8 17. g5 Ne8 18. Nd5 Qa7 19. Nh4 Nc7 20. Bb3 Ne6 21. Qg4 Re8 22. Nxg6 hxg6 23. Qh4 Rac8 24. Be3 Bd8 25. Rg1 Nb8 26. Raf1 Nd7 27. f4 exf4 28. Nxf4 Nxf4 29. Bxf7+ Kxf7 30. Qxf4+ Nf6 31. gxf6 Bxf6 32. Qg5 Re6 33. Qxg6+ Kg8 34. Rxf6 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.18"]
[Round "4"]
[White "Henneberke, Frans"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "E58"]
[PlyCount "129"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 c5 6. a3 Bxc3+ 7. bxc3 0-0 8. Bd3 Nc6 9. 0-0 b6 10. cxd5 exd5 11. Qc2 Re8 12. dxc5 bxc5 13. c4 d4 14. e4 Bg4 15. Nd2 Ne5 16. f3 Bh5 17. Nb3 Nxd3 18. Qxd3 Qd6 19. Bg5 Nd7 20. Qd2 Qe6 21. Rac1 f6 22. Bf4 Bf7 23. Qa5 Qb6 24. Qa4 Ne5 25. Bxe5 Rxe5 26. Rb1 Qc7 27. Nd2 Re6 28. Rb2 Be8 29. Qc2 Rb6 30. Rfb1 Rab8 31. g3 Qc8 32. Kf2 Qa6 33. Rxb6 axb6 34. Qd3 Bf7 35. Rb5 Be8 36. Rb3 Ba4 37. Rb2 Be8 38. Rb3 Ra8 39. Qb1 Qa5 40. Qd3 Rb8 41. Rb2 Ra8 42. Rb3 Ba4 43. Rb1 Qc3 44. Ke2 Rd8 45. Nf1 Rd6 46. Qxc3 dxc3 47. Rc1 c2 48. Ne3 Rd4 49. Nxc2 Rxc4 50. Kd3 b5 51. Kd2 Kf7 52. Ne3 Rxc1 53. Kxc1 Bb3 54. Nf5 Ba4 55. Nd6+ Ke6 56. Nb7 c4 57. Kd2 Ke5 58. Nc5 Kd6 59. Nxa4 bxa4 60. Kc3 Kc5 61. f4 g5 62. fxg5 fxg5 63. g4 h6 64. h3 Kb5 65. Kd4 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.17"]
[Round "3"]
[White "Baay, Jacob G"]
[Black "Barendregt, Johan"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "87"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 Nc6 6. c4 Nb6 7. exd6 exd6 8. d5 Bxf3 9. Bxf3 Ne5 10. Be2 Be7 11. 0-0 0-0 12. Nd2 Bf6 13. Rb1 Re8 14. b3 Ng6 15. Nf3 Nd7 16. Be3 Nc5 17. Qc2 Qe7 18. b4 Ne4 19. Bd3 b5 20. c5 Nc3 21. Rb3 Nxd5 22. Bxb5 Ne5 23. Nxe5 Bxe5 24. Bxe8 Rxe8 25. Qc4 c6 26. Bd2 dxc5 27. bxc5 Bb8 28. g3 Qd8 29. Rfb1 Bc7 30. Kg2 Qc8 31. Rf3 h6 32. Bc3 Qe6 33. Qd4 Nxc3 34. Qxc3 Qxa2 35. Ra1 Qd5 36. Rxa7 Be5 37. Qd3 Qxc5 38. Qd7 Rf8 39. Rxf7 Rxf7 40. Qxf7+ Kh8 41. Ra8+ Kh7 42. Qf5+ g6 43. Qf7+ Bg7 44. Qg8# 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.16"]
[Round "2"]
[White "Van Scheltinga, Theo D"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "E17"]
[PlyCount "71"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. b3 c5 8. Bb2 cxd4 9. Nxd4 Bxg2 10. Kxg2 d5 11. Nd2 dxc4 12. Nxc4 Qd5+ 13. f3 Rd8 14. Qc1 Qb7 15. Ne5 Bc5 16. Rd1 Nbd7 17. Nd3 Rac8 18. Nxc5 Rxc5 19. Qe3 Re5 20. Qg1 Nf8 21. e4 Rc8 22. Qf2 Rec5 23. Rd2 Ng6 24. Rad1 h5 25. Ba3 Rg5 26. Kh1 h4 27. Ne2 hxg3 28. Nxg3 Nf4 29. Bb2 N6h5 30. Nxh5 Rxh5 31. Qg3 g5 32. Bf6 Nh3 33. Rd8+ Kh7 34. Bb2 Qc7 35. Rh8+ Kg6 36. Rg8+ 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.15"]
[Round "1"]
[White "Baay, Jacob G"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "128"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. 0-0 Be7 7. Re1 b5 8. Bb3 0-0 9. d3 Be6 10. Nbd2 Bxb3 11. Qxb3 Na5 12. Qd1 c5 13. Nf1 Nc6 14. Bg5 d5 15. Bxf6 Bxf6 16. Ne3 d4 17. Nd5 dxc3 18. bxc3 Qd6 19. Nd2 Ne7 20. Nxe7+ Bxe7 21. Nf1 Rfd8 22. Ne3 Qxd3 23. Nd5 Qxd1 24. Rexd1 Kf8 25. f3 Ra7 26. Kf1 Rb7 27. Ke2 Bg5 28. Rab1 Rdb8 29. Rb2 c4 30. Rdb1 Be7 31. Rc2 Ba3 32. Rd1 Rd8 33. Rb1 a5 34. Ne3 Rc8 35. Rd1 Bc5 36. Nd5 Ke8 37. Rb1 Be7 38. Rd1 Bf8 39. Rb1 b4 40. cxb4 axb4 41. Ne3 c3 42. Nd5 Rbb8 43. Kd3 Bd6 44. Ne3 Bc5 45. Nd5 Kd7 46. Rb3 Bd6 47. Rb1 Rc6 48. Rb3 Ra6 49. Kc4 Ra4 50. Kd3 Kc6 51. g4 f6 52. h4 Rb5 53. h5 Rxd5+ 54. exd5+ Kxd5 55. Rb1 Bc5 56. Re1 Ra7 57. Rb1 Rf7 58. Rg2 f5 59. g5 e4+ 60. fxe4+ fxe4+ 61. Kc2 Ra7 62. Kd1 Kc4 63. Rc1 Kd5 64. Rcc2 b3 0-1

[Event "Baarn-A"]
[Site "Baarn"]
[Date "1948.10.??"]
[Round "?"]
[White "Visser, Jan"]
[Black "Baay, Jacob G"]
[Result "0-1"]
[ECO "B59"]
[PlyCount "100"]
[EventDate "1948.10.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 a5 8. 0-0 a4 9. Nd2 d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Bf3 Qe6 13. Ne4 Be7 14. Be3 0-0 15. c3 Rd8 16. Qc2 Qg6 17. Qe2 Bf5 18. Bc5 Bxc5 19. Nxc5 b6 20. Ne4 Ne7 21. Ng3 Ra5 22. Nxf5 Nxf5 23. Rfd1 Nd6 24. Rd2 f5 25. Bd5+ Kh8 26. Qxe5 Nc4 27. Qe7 Qf6 28. Qxf6 gxf6 29. Bxc4 Rxd2 30. Rb1 Rc5 31. Be6 Re5 32. Bc4 Rc5 33. Be6 a3 34. bxa3 Rxc3 35. h3 Rc6 36. Bxf5 Rxa2 37. a4 Rd6 38. Rb4 Rd1+ 39. Kh2 Rxf2 40. Bg4 Rdd2 41. Rxb6 f5 42. Rb8+ Kg7 43. Rb7+ Kh6 44. Rb6+ Kg5 45. Rb5 h5 46. Bxf5 Rxf5 47. Rb8 Kf4 48. Ra8 Rg5 49. Rf8+ Ke5 50. Re8+ Kf6 0-1

[Event "Match Euwe-Baay +3-1=1"]
[Site "Amsterdam"]
[Date "1921.02.??"]
[Round "1"]
[White "Baay, Jacob G"]
[Black "Euwe, Max"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "61"]
[EventDate "1921.02.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. e3 d5 6. cxd5 exd5 7. Bb5+ c6 8. Bd3 Bd6 9. Ne5 Bxe5 10. dxe5 Nfd7 11. f4 0-0 12. Qh5 g6 13. Qh6 Qe7 14. h4 Na6 15. h5 Nac5 16. Bc2 Ba6 17. Bd2 Nd3+ 18. Bxd3 Bxd3 19. 0-0-0 f6 20. Be1 Bf5 21. hxg6 Bxg6 22. g4 fxe5 23. f5 Be8 24. Qxc6 Nf6 25. Qxa8 Qc7 26. Rh6 Ba4 27. Qxf8+ Kxf8 28. Rxf6+ Kg7 29. Re6 Bxd1 30. Kxd1 d4 31. Bg3 1-0

[Event "Match Euwe-Baay +3-1=1"]
[Site "Amsterdam"]
[Date "1921.02.??"]
[Round "3"]
[White "Baay, Jacob G"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "66"]
[EventDate "1921.02.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. e3 exd4 5. Qxd4 Nf6 6. Nf3 Be6 7. e4 dxc4 8. Qxd8+ Kxd8 9. Ng5 b5 10. Nxe6+ fxe6 11. f3 Nbd7 12. a4 Bb4 13. Bd2 Nc5 14. axb5 cxb5 15. Rd1 Bxc3 16. Bxc3+ Kc7 17. Be2 a5 18. 0-0 Rhd8 19. Rxd8 Kxd8 20. Rd1+ Ke7 21. Kf2 Nb3 22. Ke3 Rc8 23. Be5 b4 24. Rb1 Nd7 25. Bxg7 e5 26. Bh6 c3 27. bxc3 Rxc3+ 28. Kf2 a4 29. Bd1 Ndc5 30. Be3 a3 31. Bxc5+ Nxc5 32. Ra1 Nb3 33. Bxb3 Rxb3 0-1

[Event "Match Euwe-Baay +3-1=1"]
[Site "Amsterdam"]
[Date "1921.02.??"]
[Round "5"]
[White "Baay, Jacob G"]
[Black "Euwe, Max"]
[Result "1/2-1/2"]
[ECO "C83"]
[PlyCount "51"]
[EventDate "1921.02.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 0-0 11. Re1 Nc5 12. Bc2 d4 13. Ne4 dxc3 14. Nxc5 Bxc5 15. Qe2 Nd4 16. Nxd4 Qxd4 17. bxc3 Qxc3 18. Bb2 Qc4 19. Bd3 Qh4 20. Qc2 Bc4 21. Bf5 Rad8 22. Re4 Qxf2+ 23. Qxf2 Bxf2+ 24. Kxf2 Rd2+ 25. Kg3 Rxb2 26. Rd1 1/2-1/2

[Event "Match Euwe-Baay +3-1=1"]
[Site "Amsterdam"]
[Date "1921.02.??"]
[Round "2"]
[White "Euwe, Max"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "127"]
[EventDate "1921.02.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 c6 6. d3 d6 7. Nxd4 exd4 8. Ne2 Qb6 9. 0-0 Bg4 10. c3 dxc3 11. bxc3 Qa6 12. f3 Bd7 13. d4 Be7 14. Bc2 b6 15. f4 Rd8 16. e5 Nd5 17. Bd3 Qc8 18. Qe1 f5 19. c4 Nc7 20. Ba3 Be6 21. g4 g6 22. Ng3 Qd7 23. gxf5 dxe5 24. Qxe5 Qxd4+ 25. Qxd4 Rxd4 26. Bb2 Rxd3 27. Bxh8 Bxc4 28. Rfe1 Kf8 29. fxg6 hxg6 30. Ne4 Bd5 31. Bf6 Bb4 32. Re2 Ne6 33. Rf1 b5 34. f5 gxf5 35. Rxf5 Ke8 36. Nf2 Rd2 37. Rxd2 Bxd2 38. Ng4 Ba5 39. a3 Bb6+ 40. Kf1 a5 41. h4 Be4 42. Re5 Bd3+ 43. Ke1 Kf7 44. h5 Bc7 45. Bh4 Bxe5 46. Nxe5+ Kg7 47. Nxd3 Kh6 48. Bf2 Kxh5 49. Bb6 a4 50. Kd2 Kg5 51. Kc3 Kf5 52. Kb4 Ke4 53. Nc5+ Nxc5 54. Kxc5 Ke5 55. Kxc6 Ke6 56. Bc5 Ke5 57. Bd6+ Ke6 58. Bg3 Ke7 59. Kd5 Kd7 60. Bd6 Kc8 61. Ke6 Kb7 62. Kd7 Ka6 63. Kc6 Ka7 64. Bc7 1-0

[Event "Match Euwe-Baay +3-1=1"]
[Site "Amsterdam"]
[Date "1921.02.??"]
[Round "4"]
[White "Euwe, Max"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "C83"]
[PlyCount "31"]
[EventDate "1921.02.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5 11. Bc2 Nd7 12. Re1 0-0 13. Nf1 Bg4 14. Qxd5 Bxf3 15. gxf3 Na5 16. Rd1 1-0

[Event "Reti Blindfold Simul +8=1-1"]
[Site "Amsterdam"]
[Date "1919.09.19"]
[Round "?"]
[White "Reti, Richard"]
[Black "Baay, Jacob G"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "91"]
[EventDate "1919.09.19"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 c6 2. e4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 e5 6. Nf3 Bg4 7. dxe5 Qxd1+ 8. Kxd1 Nd5 9. Be2 Nd7 10. h3 Bxf3 11. Bxf3 0-0-0 12. Bxd5 Nxe5 13. Ke2 Rxd5 14. Rd1 Rxd1 15. Kxd1 Bc5 16. Ne4 Bb6 17. c3 f5 18. Nd6+ Kc7 19. Nxf5 Rd8+ 20. Kc2 Rf8 21. g4 g6 22. Bh6 Rf7 23. Bf4 gxf5 24. Bxe5+ Kc8 25. gxf5 Bxf2 26. f6 Bh4 27. Rg1 Kd7 28. Rg4 Ke6 29. Bd4 Bxf6 30. Bxa7 Kf5 31. Rg1 h5 32. Bd4 Bxd4 33. Rf1+ Kg6 34. Rxf7 Kxf7 35. cxd4 Ke6 36. a4 Kf5 37. Kd3 Kf4 38. b4 h4 39. d5 cxd5 40. a5 Kg3 41. b5 Kxh3 42. a6 bxa6 43. bxa6 Kg2 44. a7 h3 45. a8Q h2 46. Qg8+ 1-0

