Jacek, R
Last game 2015
Rating
peak 1907 · latest 1904Games
44
Wins
12
Draws
12
Losses
20
Peak Elo
1907
40.9% score
As White
| B22 | Sicilian Defense: Alapin Variation | 6 | 50.0% |
| C10 | French Defense: Rubinstein Variation, Blackburne Defense | 3 | 50.0% |
| C00 | French Defense: Two Knights Variation | 2 | 100.0% |
| C09 | French Defense: Tarrasch Variation, Open System, Main Line | 2 | 50.0% |
| B06 | Modern Defense | 2 | 100.0% |
As Black
| A58 | Benko Gambit Accepted: Fianchetto Variation | 3 | 16.7% |
| A57 | Benko Gambit Accepted: Dlugy Variation | 2 | 25.0% |
| A03 | Bird Opening: Dutch Variation | 2 | 25.0% |
| A20 | English Opening: King's English Variation | 2 | 0.0% |
| A31 | English Opening: Symmetrical Variation, Anti-Benoni Variation | 2 | 50.0% |
Recent games
| Jacek, R1904 | ½-½ | Antolak, Julia1974 | XXX Gniota Memorial Open | 2015 |
| Jacek, R1904 | ½-½ | Jacek, K2172 | XXX Gniota Memorial Open | 2015 |
| Graf, Paw2094 | 0-1 | Jacek, R1904 | XXX Gniota Memorial Open | 2015 |
| Okon, D2187 | 1-0 | Jacek, R1904 | XXX Gniota Memorial Open | 2015 |
| Jacek, R1904 | 1-0 | Issel, O2074 | XXX Gniota Memorial Open | 2015 |
| Jacek, R1904 | ½-½ | Olenderek, T2088 | XXX Gniota Memorial Open | 2015 |
| Zschaebitz, K2074 | ½-½ | Jacek, R1904 | XXX Gniota Memorial Open | 2015 |
| Kula, R2311 | 1-0 | Jacek, R1904 | XXX Gniota Memorial Open | 2015 |
| Dragun, K2547 | 1-0 | Jacek, R1907 | European Rapid 2014 | 2014 |
| Pawlicz, Adam2027 | 1-0 | Jacek, R1870 | XXIX Gniota Memorial Open | 2014 |
| Jacek, R1870 | ½-½ | Nieto, E2294 | XXIX Gniota Memorial Open | 2014 |
| Maruszczak, J1914 | 1-0 | Jacek, R1870 | XXIX Gniota Memorial Open | 2014 |
| Jacek, R1870 | 0-1 | Graf, Paw2079 | XXIX Gniota Memorial Open | 2014 |
| Jacek, R1870 | 1-0 | Czuchnicki, A2086 | XXIX Gniota Memorial Open | 2014 |
| Maniocha, A2145 | 0-1 | Jacek, R1870 | XXIX Gniota Memorial Open | 2014 |