[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.17"]
[Round "6"]
[White "Katz, Reuben Salomon"]
[Black "Sanchez Martinez, Miguel Angel"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1751"]
[PlyCount "54"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 g6 2. g3 Bg7 3. Bg2 d6 4. Ne2 Nf6 5. d3 0-0 6. 0-0 c6 7. Nd2 Bg4 8. f3 Be6 9. Rb1 Bxa2 10. Ra1 Be6 11. Nf4 Qd7 12. Nxe6 Qxe6 13. Re1 a6 14. c3 Nbd7 15. Qe2 Rfe8 16. Qf1 d5 17. Bh3 Qd6 18. e5 Nxe5 19. b3 d4 20. Ba3 c5 21. f4 dxc3 22. fxe5 Qd4+ 23. Qf2 Qxf2+ 24. Kxf2 cxd2 25. Red1 Ne4+ 26. Kf3 Ng5+ 27. Ke3 Nxh3 0-1

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.17"]
[Round "5"]
[White "Montezuma Borges, Joao Luiz"]
[Black "Katz, Reuben Salomon"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "59"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. e5 Nc6 4. d4 f6 5. Nf3 Bd7 6. c3 g6 7. Bd3 Qe7 8. 0-0 0-0-0 9. Re1 Nh6 10. exf6 Qxf6 11. Bg5 Qg7 12. Bxd8 Kxd8 13. Nbd2 Bd6 14. Nb3 Re8 15. Bb5 Nf5 16. Bxc6 Bxc6 17. Ne5 Bxe5 18. Rxe5 Ba4 19. Qg4 Kd7 20. Nc5+ Kd6 21. Nxa4 Nh6 22. Qh3 Nf7 23. Re2 Ng5 24. Qg3+ Kd7 25. Nc5+ Kd8 26. Qxg5+ Kc8 27. Nxe6 Qd7 28. Rae1 Re7 29. Nc5 Qd6 30. Qxe7 1-0

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.15"]
[Round "2"]
[White "Katz, Reuben Salomon"]
[Black "Diaz, Marcos"]
[Result "0-1"]
[ECO "B31"]
[BlackElo "1697"]
[PlyCount "58"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. f3 e5 3. Bd3 Nc6 4. a3 a6 5. Ne2 Nd4 6. c3 Ne6 7. 0-0 Nf6 8. Bc2 b5 9. b4 c4 10. d3 Bb7 11. Ng3 Be7 12. Nd2 cxd3 13. Bxd3 0-0 14. Nf5 Rc8 15. Nxe7+ Qxe7 16. a4 Rxc3 17. Qe2 Nf4 18. Qe3 Rxd3 19. Qf2 Qxb4 20. Ra2 d6 21. g3 Nh3+ 22. Kg2 Nxf2 23. Rxf2 Rc8 24. Ba3 Qxa4 25. Nb1 Nxe4 26. Rf1 Nc3 27. Nxc3 Rcxc3 28. Rfa1 Rc2+ 29. Kg1 Qd4+ 0-1

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.15"]
[Round "1"]
[White "Siqueira, Allan de Sousa"]
[Black "Katz, Reuben Salomon"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1936"]
[PlyCount "33"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 Nc6 4. Nf3 Bg4 5. Be2 Bxf3 6. Bxf3 e5 7. Be3 exd4 8. Bxd4 Nxd4 9. Qxd4 c5 10. Qe3 Rc8 11. 0-0-0 Qa5 12. e5 dxe5 13. Qxe5+ Be7 14. Bxb7 Rd8 15. Bc6+ Nd7 16. Rhe1 Rc8 17. Qxe7# 1-0

