[Event "US Open-112"]
[Site "Orlando"]
[Date "2011.08.03"]
[Round "3"]
[White "Koretsky, Peter"]
[Black "Strenzwilk, Denis"]
[Result "1/2-1/2"]
[ECO "A21"]
[BlackElo "2026"]
[PlyCount "51"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. e3 Nf6 5. Nc3 Be7 6. Nge2 0-0 7. 0-0 Na6 8. d4 c6 9. Rb1 Nc7 10. b4 Qe8 11. b5 Kh8 12. Ba3 a6 13. bxc6 bxc6 14. dxe5 dxe5 15. Bd6 Ra7 16. Bxe5 Ng4 17. Bxg7+ Kxg7 18. Qd4+ Kg8 19. Qxa7 Ne6 20. Nd4 Bc5 21. Qb8 Nxd4 22. exd4 Bxd4 23. Qb3 Qe5 24. h3 Bxc3 25. hxg4 fxg4 26. Bxc6 1/2-1/2

[Event "US Open-112"]
[Site "Orlando"]
[Date "2011.08.01"]
[Round "5"]
[White "Koretsky, Peter"]
[Black "Finegold, Spencer"]
[Result "0-1"]
[ECO "A15"]
[BlackElo "2037"]
[PlyCount "60"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. Qc3 Rg8 7. d3 Bg7 8. Qc2 Na6 9. Bd2 c6 10. a3 Qd6 11. Bc3 e5 12. Nd2 Nd5 13. Nc4 Qe7 14. Bd2 Bg4 15. Ne3 Be6 16. Rc1 0-0-0 17. b4 Kb8 18. Nc4 Nac7 19. Nf3 Bc8 20. 0-0 h6 21. Rb1 Nb5 22. a4 Nd4 23. Nxd4 exd4 24. Na5 Qc7 25. Rfc1 Nc3 26. Bf4 Be5 27. b5 Bxf4 28. bxc6 Qxa5 29. Qb3 Nxe2+ 30. Kh1 Nxc1 0-1

[Event "US Open-71"]
[Site "Boston"]
[Date "1970.08.??"]
[Round "?"]
[White "Koretsky, Peter"]
[Black "Opalek, James"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "45"]
[EventDate "1970.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 Na6 7. Qd2 c5 8. Nge2 Bd7 9. g4 cxd4 10. Nxd4 h5 11. gxh5 Nxh5 12. 0-0-0 Nc7 13. Bh6 Kh7 14. Bxg7 Kxg7 15. Rg1 Ne6 16. Nf5+ Kg8 17. e5 Nef4 18. Ng3 Bc6 19. Nxh5 Nxh5 20. Qh6 Ng7 21. Bd3 Qa5 22. Rxg6 fxg6 23. Bxg6 1-0

