| | |
| 1797 - 1797 |
| Baltic League 2001 (27-28.01.2001)
|
| Karlsson Stefan - Semyonov Vladimir (2058) | won| +2 | |
| Soosõrv Ants (2487) - Karlsson Stefan | won| +14 | |
| Karlsson Stefan - Alexandrov Victor (2313) | won| +7 | |
| Klimashin Alexander (2621) - Karlsson Stefan | lost| -12 | |
| Karlsson Stefan - Tuvikene Margus (2292) | won| +6 | |
| Karlsson Stefan - Lents Johann (2033) | lost| -30 | |
| 1797 - 1797 |
| Stora SM (highest league in Sweden) (18-22.04.01)
|
| Holgersson Goran (2241) - Karlsson Stefan | won| +5 | |
| Gardstrom Petter (2413) - Karlsson Stefan | lost| -21 | |
| Karlsson Stefan - Gaulitz Joachim (2389) | won| +10 | |
| Karlsson Stefan - Johannesson Rickard (2416) | won| +11 | |
| Karlsson Stefan - Eriksson Marcus (2012) | lost| -30 | |
| Karlsson Stefan - Andersson Tord (2241) | lost| -27 | |
| Karlsson Stefan - Carlsson Martin (2211) | won| +4 | |
| Karlsson Stefan - Eriksson Bjorn (2078) | won| +2 | |
| Karlsson Stefan - Hermansson Linus (2102) | won| +3 | |
| 1797 - 1797 |
| Swedish Cup - Quarter finals (30.04.2001)
|
| Karlsson Stefan - Andersson Tord (2217) | won| +6 | |
| Karlsson Stefan - Andersson Tord (2217) | won| +6 | |
| 1797 - 1797 |
| VM-kval (26-30.06.2001)
|
| Karlsson Stefan - Andersson Tord (2205) | won| +5 | |
| Gaulitz Joachim (2376) - Karlsson Stefan | lost| -21 | |
| Karlsson Stefan - Gardstrom Petter (2431) | won| +13 | |
| Andersson Tord (2205) - Karlsson Stefan | won| +5 | |
| Karlsson Stefan - Gaulitz Joachim (2376) | lost| -21 | |
| Gardstrom Petter (2431) - Karlsson Stefan | won| +13 | |
| Karlsson Stefan - Andersson Tord (2205) | won| +5 | |
| Gaulitz Joachim (2376) - Karlsson Stefan | lost| -21 | |
| Karlsson Stefan - Gardstrom Petter (2431) | lost| -19 | |
| Andersson Tord (2205) - Karlsson Stefan | won| +5 | |
| 1797 - 1797 |
| 7 WC Q-tournament (3-13.08.2001)
|
| Wang Lu (2109) - Karlsson Stefan | won| +4 | |
| Karlsson Stefan - Glukhovsky Leonid (2485) | won| +17 | |
| Karlsson Stefan - Gardstrom Petter (2433) | draw| -1 | |
| Karlsson Stefan - Hasegawa Kazuto (2579) | draw| +5 | |
| Karlsson Stefan - Lin Shieng-Min (2272) | won| - | |
| Karlsson Stefan - Kim Byoung-Jun (0) | lost| - | |
| Karlsson Stefan - Poghosyan Albert (2436) | won| +15 | |
| 1797 - 1797 |
| 7 WC A-tournament (3-12.08.2001)
|
| Karlsson Stefan - Kim Byoung-Jun (2501) | won| +16 | |
| Karlsson Stefan - Soosõrv Ants (2525) | won| +17 | |
| Karlsson Stefan - Gardstrom Petter (2469) | lost| -17 | |
| Sinyov Igor (2590) - Karlsson Stefan | lost| -12 | |
| Karlsson Stefan - Gaulitz Joachim (2478) | lost| -17 | |
| Lin Shieng-Min (2228) - Karlsson Stefan | won| +6 | |
| Karlsson Stefan - Nikonov Konstantin (2318) | lost| -24 | |
| Karlsson Stefan - Ishitani Shin-ichi (2482) | won| +15 | |
| Karlsson Stefan - Nara Hideki (2629) | won| +22 | |
| Karlsson Stefan - Sushkov Vladimir (2539) | lost| -14 | |
| Karlsson Stefan - Meritee Ando (2801) | lost| -5 | |
| 1797 - 1797 |
| Swedish Cup - Semi finals (01.09.2001)
|
| Karlsson Stefan - Gaulitz Joachim (2412) | won| +13 | |
| Karlsson Stefan - Gaulitz Joachim (2412) | won| +13 | |
| 1797 - 1797 |
| Helsinki Open 2001 (29-30.09.01)
|
| Karlsson Stefan - Tuvikene Maris (1996) | draw| -14 | |
| Ostra Ain (2100) - Karlsson Stefan | won| +3 | |
| Tihkan Evelyn (2008) - Karlsson Stefan | lost| -30 | |
| Karlsson Stefan - Eggert Ester (1852) | lost| -31 | |
| Pellikka Marika (0) - Karlsson Stefan | won| - | |
| Karlsson Stefan - Lunkin Vitali (2128) | lost| -29 | |
| Taimla Tunnet (2141) - Karlsson Stefan | won| +3 | |
| 1797 - 1797 |
| Swedish Cup - Final (02.12.2001)
|
| Gardstrom Petter (2507) - Karlsson Stefan | draw| +4 | |
| Gardstrom Petter (2507) - Karlsson Stefan | won| +20 | |
| Gardstrom Petter (2507) - Karlsson Stefan | won| +20 | |
| 1797 - 1797 |
| Baltic League 2002, Jonkoping (26-27.01.2002)
|
| Karlsson Stefan - Johansson Mikael (1754) | won| - | |
| Holgersson Goran (2352) - Karlsson Stefan | lost| -21 | |
| Karlsson Stefan - Jonsson Peter (2057) | won| +3 | |
| Lents Johann (2235) - Karlsson Stefan | lost| -25 | |
| Karlsson Stefan - Carlsson Martin (2193) | won| +6 | |
| Karlsson Stefan - Eggert Ester (1772) | won| +1 | |
| Soosõrv Ants (2496) - Karlsson Stefan | lost| -14 | |
| 1761 - 1761 |
| Swedish Cup - Quarter finals (20-21.04.2002)
|
| Karlsson Stefan - Hermansson Linus (2147) | won| +6 | |
| Karlsson Stefan - Hermansson Linus (2147) | won| +6 | |
| 1761 - 1761 |
| World Team Championship 2002
|
| Andersson Tord (2152) - Karlsson Stefan | lost| -26 | |
| Soosõrv Ants (2474) - Karlsson Stefan | draw| +2 | |
| Karlsson Stefan - Kim Chang Hoon (0) | draw| - | |
| Salnikov Pavel (2443) - Karlsson Stefan | lost| -15 | |
| Karlsson Stefan - Nara Hideki (2490) | lost| -13 | |
| Skuridina Olga (1927) - Karlsson Stefan | won| +2 | |
| Karlsson Stefan - Nazarov Vladimir (2232) | lost| -24 | |
| Skuridina Olga (1927) - Karlsson Stefan | lost| -30 | |
| 1761 - 1761 |
| European Championship. Estonia (11-15.08.2002)
|
| Artemiev Sergey (2109) - Karlsson Stefan | won| +7 | |
| Karlsson Stefan - Klimashin Alexander (2578) | lost| -6 | |
| Eibatov Nizami (2338) - Karlsson Stefan | won| +17 | |
| Karlsson Stefan - Nikonov Konstantin (2290) | won| +15 | |
| Savrasova Yuliya (2308) - Karlsson Stefan | won| +16 | |
| Karlsson Stefan - Sinyov Igor (2494) | lost| -8 | |
| Makarov Pavel (2399) - Karlsson Stefan | lost| -12 | |
| Karlsson Stefan - Khramov Andrey (2022) | won| +5 | |
| Purk Andri (1911) - Karlsson Stefan | won| +3 | |
| 1761 - 1761 |
| Swedish Cup - Semi finals (12-13.10.2002)
|
| Karlsson Stefan - Carlsson Martin (2235) | won| +11 | |
| Karlsson Stefan - Carlsson Martin (2235) | won| +11 | |
| 1761 - 1897 |
| Swedish Cup - Final (22.12.2002)
|
| Karlsson Stefan - Jonsson Peter (2123) | won| +6 | |
| Karlsson Stefan - Jonsson Peter (2123) | won| +6 | |
| All games with provisionals |
| Estonian Open (28-30.12.2002)
|
| Karlsson Stefan - Smirnov Dmitry (1938) | won| +2 | |
| Karlsson Stefan - Naber Lauri (2119) | won| +6 | |
| Karlsson Stefan - Ilu Timo (2022) | won| +3 | |
| Soosõrv Ants (2364) - Karlsson Stefan | draw| -1 | |
| Karlsson Stefan - Taimla Tunnet (2408) | won| +17 | |
| Karlsson Stefan - Lents Johann (2207) | won| +8 | |
| Karlsson Stefan - Eggert Ester (1718) | won| +1 | |
| All games with provisionals |
| Baltic League 2002, Tallinn (15-16.02.2003)
|
| Karlsson Stefan - Eggert Ester (1838) | won| +1 | |
| Karlsson Stefan - Ilu Timo (2064) | won| +4 | |
| Karlsson Stefan - Taimla Tunnet (2378) | draw| -2 | |
| Karlsson Stefan - Purk Andri (1908) | won| +2 | |
| Karlsson Stefan - Lents Johann (2157) | won| +6 | |
| Karlsson Stefan - Oll Aivo (2036) | won| +3 | |
| Karlsson Stefan - Oblikas Mikk (1693) | won| - | |
| All games with provisionals |
| Sweden Championship. Highest League. (23-27.04.2003)
|
| Karlsson Stefan - Holgersson Goran (2284) | won| +9 | |
| Karlsson Stefan - Andersson Tord (2244) | won| +8 | |
| Karlsson Stefan - Gaulitz Joachim (2324) | won| +11 | |
| Karlsson Stefan - Jonsson Peter (2141) | won| +5 | |
| Karlsson Stefan - Eriksson Marcus (2089) | won| +4 | |
| Karlsson Stefan - Carlsson Martin (2262) | won| +9 | |
| Karlsson Stefan - Wallgren Bjorn (2112) | won| +4 | |
| Karlsson Stefan - Gardstrom Petter (2440) | won| +16 | |
| Karlsson Stefan - Hermansson Linus (2117) | won| +4 | |
| All games with provisionals |
| Swedish WC qualification. Part 2 (24-28.06.2003)
|
| Andersson Tord (2259) - Karlsson Stefan | lost| -26 | |
| Carlsson Martin (2223) - Karlsson Stefan | won| +5 | |
| Gardstrom Petter (2333) - Karlsson Stefan | lost| -23 | |
| Gaulitz Joachim (2306) - Karlsson Stefan | won| +8 | |
| Karlsson Stefan - Sandström Richard (1535) | won| - | |
| Andersson Tord (2259) - Karlsson Stefan | lost| -26 | |
| Karlsson Stefan - Carlsson Martin (2223) | lost| -27 | |
| Gardstrom Petter (2333) - Karlsson Stefan | won| +9 | |
| Karlsson Stefan - Gaulitz Joachim (2306) | won| +8 | |
| Karlsson Stefan - Sandström Richard (1535) | won| - | |
| All games with provisionals |
| 8 WC Q-tournament (3-13.08.2003)
|
| Karlsson Stefan - Kubo Izumi (2203) | won| +7 | |
| Karlsson Stefan - Gaulitz Joachim (2248) | won| +8 | |
| Karlsson Stefan - Chen Ko-Han (2477) | won| - | |
| Karlsson Stefan - Nagao Noriaki (2083) | won| +4 | |
| Karlsson Stefan - Eibatov Nizami (2264) | won| +9 | |
| Sushkov Vladimir (2633) - Karlsson Stefan | lost| -8 | |
| Yamaguchi Yusui (2561) - Karlsson Stefan | lost| -10 | |
| All games with provisionals |
| 8 WC A-tournament (3-12.08.2003)
|
| Karlsson Stefan - Gaulitz Joachim (2292) | won| +9 | |
| Karlsson Stefan - Andersson Tord (2333) | lost| -21 | |
| Karlsson Stefan - Carlsson Martin (2283) | lost| -23 | |
| Karlsson Stefan - Sushkov Vladimir (2609) | lost| -9 | |
| Karlsson Stefan - Yamaguchi Yusui (2582) | won| +22 | |
| Karlsson Stefan - Iio Yoshihiro (2421) | draw| -1 | |
| Karlsson Stefan - Okabe Hiroshi (2424) | lost| -17 | |
| Karlsson Stefan - Chingin Konstantin (2565) | won| +21 | |
| Karlsson Stefan - Meritee Ando (2853) | draw| +13 | |
| Karlsson Stefan - Sinyov Igor (2438) | draw| +0 | |
| Karlsson Stefan - Taimla Tunnet (2366) | lost| -20 | |
| All games with provisionals |
| Swedish Cup - Semi finals (7.06-30.08.2003)
|
| Karlsson Stefan - Andersson Tord (2313) | won| +11 | |
| Karlsson Stefan - Andersson Tord (2313) | won| +11 | |
| All games with provisionals |
| Swedish Cup - Final (18-25.10.2003)
|
| Karlsson Stefan - Carlsson Martin (2348) | won| +12 | |
| Karlsson Stefan - Carlsson Martin (2348) | won| +12 | |
| All games with provisionals |
| Wettercupen, Jonkoping, (1-2.11.2003)
|
| Karlsson Stefan - Jonsson Peter (2136) | won| +4 | |
| Karlsson Stefan - Nyberg Bengt (1847) | won| +1 | |
| Quang Vu (0) - Karlsson Stefan | won| - | |
| Carlsson Martin (2324) - Karlsson Stefan | won| +10 | |
| Karlsson Stefan - Sandström Richard (1894) | won| - | |
| Karlsson Stefan - Karlsson Irene (1849) | won| +1 | |
| Karlsson Stefan - Svensson Peder (2052) | won| +3 | |
| Karlsson Stefan - Nyberg Bengt (1847) | lost| -31 | |
| Karlsson Stefan - Sandström Richard (1894) | won| - | |
| Karlsson Stefan - Karlsson Irene (1849) | won| +1 | |
| All games with provisionals |
| Open Swedish Team Championship 2003 (6-7.12.2003)
|
| Karlsson Stefan - Hermansson Hannes (2146) | won| +5 | |
| Taimla Tunnet (2521) - Karlsson Stefan | lost| -13 | |
| Karlsson Stefan - Saarenpää Samuli (2279) | lost| -23 | |
| Soosõrv Ants (2366) - Karlsson Stefan | lost| -20 | |
| Karlsson Stefan - Carlsson Martin (2346) | won| +11 | |
| Karlsson Stefan - Andersson Tord (2291) | won| +9 | |
| All games with provisionals |
| Tallinn Open (27-29.12.2003)
|
| Meritee Ando (2774) - Karlsson Stefan | lost| -4 | |
| Karlsson Stefan - Jin Hong (0) | won| - | |
| Karlsson Stefan - Ikonen Jussi (1898) | won| - | |
| Karlsson Stefan - Pellikka Marko (2021) | won| +3 | |
| Taimla Tunnet (2538) - Karlsson Stefan | lost| -11 | |
| Karlsson Stefan - Oll Aivo (2154) | draw| -10 | |
| Karlsson Stefan - Purk Andri (2027) | won| +3 | |
| All games with provisionals |
| Baltic League, Jonkoping. (31.01-1.02.2004)
|
| Karlsson Stefan - Lind Björn (0) | won| - | |
| Karlsson Stefan - Jonsson Peter (2104) | won| +5 | |
| Karlsson Stefan - Soosõrv Ants (2332) | lost| -19 | |
| Karlsson Stefan - Karlsson Irene (1852) | won| +1 | |
| Karlsson Stefan - Carlsson Martin (2318) | won| +12 | |
| Karlsson Stefan - Nyberg Bengt (1847) | won| +1 | |
| Karlsson Stefan - Sandström Richard (1895) | won| +2 | |
| All games with provisionals |
| Swedish Cup - Quarter finals (28.02-28.03.2004)
|
| Andersson Tord (2280) - Karlsson Stefan | won| +10 | |
| Karlsson Stefan - Andersson Tord (2280) | won| +10 | |
| All games with provisionals |
| Sweden Championship. Highest League. (31.03-04.04.2004)
|
| Gaulitz Joachim (2307) - Karlsson Stefan | lost| -21 | |
| Karlsson Stefan - Carlsson Martin (2282) | won| +10 | |
| Karlsson Stefan - Jonsson Peter (2109) | won| +4 | |
| Karlsson Stefan - Andersson Tord (2260) | lost| -23 | |
| Karlsson Stefan - Eriksson Bjorn (2054) | won| +3 | |
| Karlsson Stefan - Hermansson Hannes (2227) | won| +8 | |
| Karlsson Stefan - Hermansson Linus (2089) | won| +4 | |
| Karlsson Stefan - Karlsson Irene (1807) | won| +1 | |
| Karlsson Stefan - Eriksson Marcus (2039) | won| +3 | |
| All games with provisionals |
| 5th World Team Championship. Tyumen (01-05.05.2004)
|
| Iio Yoshihiro (2481) - Karlsson Stefan | won| +19 | |
| Karlsson Stefan - Poddubny Konstantin (2024) | draw| -13 | |
| Salnikov Pavel (2344) - Karlsson Stefan | lost| -19 | |
| Karlsson Stefan - Karejev Vladislav (2384) | lost| -17 | |
| Sushkov Vladimir (2581) - Karlsson Stefan | lost| -9 | |
| Karlsson Stefan - Degtyar Feliks (2184) | won| +7 | |
| Meritee Ando (2788) - Karlsson Stefan | won| +29 | |
| Karlsson Stefan - Khramov Andrey (2070) | won| +4 | |
| All games with provisionals |
| 7th European Championship. Podyuga. Group A. (14-16.06.2004)
|
| Purk Andri (2048) - Karlsson Stefan | draw| -13 | |
| Karlsson Stefan - Nokhrin Oleg (2259) | won| +9 | |
| Karlsson Stefan - Volkov Sergey (2197) | won| +7 | |
| Vershinin Pavel (2308) - Karlsson Stefan | lost| -21 | |
| Karlsson Stefan - Semyonov Vladimir (2164) | won| +6 | |
| Karlsson Stefan - Radzevelyuk Alexander (2151) | won| +6 | |
| Ses Pavel (2139) - Karlsson Stefan | won| +5 | |
| Lents Johann (2275) - Karlsson Stefan | lost| -22 | |
| Kadulin Alexander (2076) - Karlsson Stefan | lost| -28 | |
| All games with provisionals |
| Open Czech Championship. Pardubice. (16-17.07.2004)
|
| Karlsson Stefan - Nykl Ondřej (0) | won| - | |
| Karlsson Stefan - Nemeth Akos (0) | won| - | |
| Karlsson Stefan - Karlsson Irene (1801) | won| +1 | |
| Karlsson Stefan - Kiszely Akos (0) | won| - | |
| Karlsson Stefan - Rybka Ale (1973) | lost| - | |
| Karlsson Stefan - Neuman Petr (1834) | won| - | |
| Karlsson Stefan - Kusak Martin (0) | won| - | |
| All games with provisionals |
| Helsinki Open 2004 (25-26.09.2004)
|
| Taimla Tunnet (2568) - Karlsson Stefan | won| +24 | |
| Karlsson Stefan - Sulane Sander (1820) | won| +1 | |
| Karlsson Stefan - Timmermann Alvar (1837) | won| +1 | |
| Saarenpää Samuli (2234) - Karlsson Stefan | lost| -22 | |
| Meritee Ando (2746) - Karlsson Stefan | lost| -3 | |
| Karlsson Stefan - Haikonen Kari (0) | won| - | |
| Karlsson Stefan - Ikonen Jari (0) | won| - | |
| All games with provisionals |
| Swedish Cup - Final (6-14.10.2004)
|
| Karlsson Stefan - Gaulitz Joachim (2391) | lost| -15 | |
| Karlsson Stefan - Gaulitz Joachim (2391) | won| +17 | |
| Karlsson Stefan - Gaulitz Joachim (2391) | won| +17 | |
| All games with provisionals |
| Open Swedish Team Championship (20-21.11.04)
|
| Karlsson Stefan - Soosõrv Ants (2475) | lost| -12 | |
| Hermansson Hannes (2189) - Karlsson Stefan | lost| -24 | |
| Eriksson Bjorn (2080) - Karlsson Stefan | won| +5 | |
| Karlsson Stefan - Purk Andri (2154) | lost| -25 | |
| Holgersson Goran (2301) - Karlsson Stefan | lost| -20 | |
| Karlsson Stefan - Ikonen Jari (1938) | won| - | |
| Karlsson Martin (1778) - Karlsson Stefan | won| +1 | |
| All games with provisionals |
| Budapest Open (18-19.12.2004)
|
| Karlsson Stefan - Szilasi Viktoria (0) | won| - | |
| Karlsson Stefan - Virag Istvan (0) | won| - | |
| Karlsson Stefan - Nemeth Akos (2083) | won| - | |
| Karlsson Stefan - Rybka Ale (1997) | won| +4 | |
| Karlsson Stefan - Kusak Martin (1683) | won| - | |
| All games with provisionals |
| Tallinn Open (28-30.12.2004)
|
| Karlsson Stefan - Ikonen Jari (1919) | won| - | |
| Eggert Ester (1798) - Karlsson Stefan | won| +2 | |
| Karlsson Stefan - Purk Andri (2203) | lost| -21 | |
| Lind Björn (1847) - Karlsson Stefan | won| +2 | |
| Ikonen Jussi (1943) - Karlsson Stefan | won| +3 | |
| Karlsson Stefan - Ses Pavel (2218) | draw| -4 | |
| Karlsson Stefan - Meritee Ando (2635) | lost| -4 | |
| All games with provisionals |
| Polish Open, Warszawa (19-20.03.2005)
|
| Karlsson Stefan - Niedbalec Marcin (0) | won| - | |
| Karlsson Stefan - Poddubny Konstantin (2035) | won| +6 | |
| Karlsson Stefan - Nykl Ondřej (2083) | lost| - | |
| Karlsson Stefan - Gruca Marcin (0) | won| - | |
| Karlsson Stefan - Nowakowski Maciej (0) | lost| - | |
| Karlsson Stefan - Ikonen Jussi (1939) | won| +4 | |
| Karlsson Stefan - Sobon Karol (0) | won| - | |
| Meritee Ando (2659) - Karlsson Stefan | lost| -3 | |
| Karlsson Stefan - Klepacki Kacper (0) | lost| - | |
| Karlsson Stefan - Lekowski Jerzy (0) | won| - | |
| Karlsson Stefan - Rybka Ale (1997) | won| +5 | |
| All games with provisionals |
| Swedish Championship. Group A. Jonkoping (30.03-3.04.2005)
|
| Karlsson Stefan - Gaulitz Joachim (2396) | won| +20 | |
| Karlsson Stefan - Hermansson Hannes (2161) | lost| -22 | |
| Karlsson Stefan - Jonsson Peter (2139) | draw| -7 | |
| Karlsson Stefan - Sandström Richard (1900) | draw| -13 | |
| Karlsson Stefan - Andersson Tord (2235) | won| +13 | |
| Karlsson Stefan - Holgersson Goran (2341) | won| +18 | |
| Karlsson Stefan - Eriksson Bjorn (2078) | won| +7 | |
| Karlsson Stefan - Lind Björn (1883) | won| +3 | |
| Karlsson Stefan - Eriksson Marcus (2021) | won| +5 | |
| All games with provisionals |
| Swedish Cup - Quarter finals (2.06.2005)
|
| Lind Björn (1924) - Karlsson Stefan | won| +3 | |
| Karlsson Stefan - Lind Björn (1924) | won| +3 | |
| All games with provisionals |
| Swedish Cup - Semi final. Balsta (16-27.06.2005)
|
| Karlsson Stefan - Eriksson Bjorn (2072) | won| +6 | |
| Karlsson Stefan - Eriksson Bjorn (2072) | won| +6 | |
| All games with provisionals |
| Swedish WC qualification. Stept 2. Hogsjo. (12-16.06.2005)
|
| Karlsson Stefan - Hermansson Hannes (2187) | won| +9 | |
| Karlsson Stefan - Jonsson Peter (2147) | lost| -24 | |
| Karlsson Stefan - Andersson Tord (2188) | won| +9 | |
| Karlsson Stefan - Sandström Richard (1949) | won| +3 | |
| Hermansson Hannes (2187) - Karlsson Stefan | lost| -23 | |
| Karlsson Stefan - Jonsson Peter (2147) | draw| -8 | |
| Karlsson Stefan - Andersson Tord (2188) | lost| -23 | |
| Sandström Richard (1949) - Karlsson Stefan | won| +3 | |
| All games with provisionals |
| 9th WC Q-tournament (29-31.07.2005)
|
| Karlsson Stefan - Tarannikov Juri (2372) | draw| +4 | |
| Karlsson Stefan - Ishitani Shin-ichi (2383) | won| +20 | |
| Karlsson Stefan - Purk Andri (2273) | won| +15 | |
| Karlsson Stefan - Yamaguchi Yusui (2441) | won| +22 | |
| Karlsson Stefan - Andersson Tord (2210) | draw| -4 | |
| Karlsson Stefan - Wei-Yuan Cheng (0) | won| - | |
| Karlsson Stefan - Sushkov Vladimir (2488) | won| +24 | |
| All games with provisionals |
| 9th WC A-tournament (1-7.08.2005)
|
| Meritee Ando (2670) - Karlsson Stefan | won| +27 | |
| Sushkov Vladimir (2457) - Karlsson Stefan | lost| -12 | |
| Chingin Konstantin (2469) - Karlsson Stefan | lost| -12 | |
| Artemiev Sergey (2450) - Karlsson Stefan | lost| -13 | |
| Purk Andri (2321) - Karlsson Stefan | lost| -18 | |
| Tarannikov Juri (2389) - Karlsson Stefan | lost| -15 | |
| Taimla Tunnet (2580) - Karlsson Stefan | lost| -7 | |
| Okabe Hiroshi (2490) - Karlsson Stefan | draw| +5 | |
| Savrasova Yuliya (2429) - Karlsson Stefan | lost| -14 | |
| Karlsson Stefan - Andersson Tord (2294) | won| +12 | |
| Karlsson Stefan - Hermansson Hannes (2241) | won| +10 | |
| All games with provisionals |
| Wettercuppen 2005. Jonkoping (12.11.2005)
|
| Karlsson Martin (1807) - Karlsson Stefan | won| +1 | |
| Karlsson Irene (1846) - Karlsson Stefan | won| +2 | |
| Jonsson Peter (2136) - Karlsson Stefan | won| +8 | |
| Sandström Richard (2042) - Karlsson Stefan | won| +5 | |
| Maltell Tommy (2027) - Karlsson Stefan | won| +5 | |
| Eriksson Marcus (2034) - Karlsson Stefan | won| +5 | |
| Lindholm Petter (2047) - Karlsson Stefan | lost| -27 | |
| All games with provisionals |
| Swedish Cup - Final (3.01-5.02.2006)
|
| Karlsson Stefan - Andersson Tord (2280) | draw| -3 | |
| Karlsson Stefan - Andersson Tord (2280) | won| +13 | |
| Karlsson Stefan - Andersson Tord (2280) | won| +13 | |
| 2337 - 2360 |
| Tampere Open. Finland. (11-12.03.2006)
|
| Soosõrv Ants (2503) - Karlsson Stefan | lost| -10 | |
| Karlsson Stefan - Savik Aki (1370) | won| - | |
| Timmermann Alvar (1884) - Karlsson Stefan | won| +2 | |
| Karlsson Stefan - Purk Andri (2347) | lost| -17 | |
| Toivonen Lauri (1967) - Karlsson Stefan | won| +3 | |
| Karlsson Stefan - Pellikka Marko (2045) | won| +4 | |
| Karlsson Stefan - Meritee Ando (2669) | lost| -5 | |
| 2360 - 2337 |
| Swedish Championship. Group A. (22-26.03.2006)
|
| Andersson Tord (2257) - Karlsson Stefan | won| +12 | |
| Eriksson Bjorn (2060) - Karlsson Stefan | lost| -27 | |
| Eriksson Marcus (2033) - Karlsson Stefan | won| +5 | |
| Gaulitz Joachim (2390) - Karlsson Stefan | lost| -14 | |
| Hermansson Hannes (2218) - Karlsson Stefan | won| +11 | |
| Jonsson Peter (2211) - Karlsson Stefan | won| +10 | |
| Karlsson Irene (1797) - Karlsson Stefan | won| +1 | |
| Karlsson Stefan - Sandström Richard (2063) | won| +5 | |
| Karlsson Stefan - Ternerot Fredrik (0) | won| - | |
| 2337 - 2340 |
| 6th World Team Championship. Tallinn (30.04-05.05.2006)
|
| Chen Wei (2335) - Karlsson Stefan | draw| +0 | |
| Okabe Hiroshi (2505) - Karlsson Stefan | lost| -9 | |
| Sushkov Vladimir (2524) - Karlsson Stefan | won| +24 | |
| Karlsson Stefan - Meritee Ando (2667) | lost| -4 | |
| Karlsson Stefan - Salnikov Pavel (2268) | won| +13 | |
| Saarenpää Samuli (2248) - Karlsson Stefan | won| +12 | |
| Okabe Hiroshi (2505) - Karlsson Stefan | lost| -9 | |
| Okabe Hiroshi (2505) - Karlsson Stefan | won| +23 | |
| 2340 - 2390 |
| Baltic League, Stockholm. (17-18.06.2006)
|
| Karlsson Stefan - Sulane Sander (1739) | won| +1 | |
| Oblikas Mikk (2019) - Karlsson Stefan | won| +3 | |
| Karlsson Stefan - Taimla Tunnet (2488) | lost| -12 | |
| Oll Aivo (2420) - Karlsson Stefan | lost| -15 | |
| Karlsson Stefan - Lind Björn (2089) | lost| -27 | |
| Blomstedt Torbjorn (1882) - Karlsson Stefan | won| +2 | |
| Karlsson Stefan - Lindholm Petter (2021) | won| +3 | |
| 2390 - 2345 |
| Swedish Cup. Quarter finals (1.04-13.07.2006)
|
| Karlsson Stefan - Eriksson Marcus (2059) | won| +5 | |
| Karlsson Stefan - Eriksson Marcus (2059) | lost| -27 | |
| Karlsson Stefan - Eriksson Marcus (2059) | won| +5 | |
| 2345 - 2328 |
| Karepa 2006 (12-17.08.2006)
|
| Karlsson Stefan - Klooster Karin (1701) | won| +1 | |
| Karlsson Stefan - Väljataga Paul (1778) | draw| -15 | |
| Oll Aivo (2445) - Karlsson Stefan | lost| -11 | |
| Karlsson Stefan - Berezin Roman (2011) | won| +4 | |
| Karlsson Stefan - Purk Andri (2331) | won| +16 | |
| Meritee Ando (2686) - Karlsson Stefan | lost| -4 | |
| Karlsson Stefan - Timmermann Alvar (1928) | won| +3 | |
| 2328 - 2322 |
| Swedish Cup 2006. Semi Final. Jonkoping (9-10.09.2006)
|
| Karlsson Stefan - Jonsson Peter (2255) | draw| -3 | |
| Karlsson Stefan - Jonsson Peter (2255) | won| +13 | |
| Karlsson Stefan - Jonsson Peter (2255) | draw| -3 | |
| 2322 - 2329 |
| 8th European Championship. Czech, Havlickuv Brod. (25-29.09.2006)
|
| Karlsson Stefan - Okatova Anna (2009) | won| +4 | |
| Karlsson Stefan - Laube Pavel (2142) | won| +8 | |
| Soosõrv Ants (2412) - Karlsson Stefan | lost| -12 | |
| Karlsson Stefan - Nykl Ondřej (2097) | won| +7 | |
| Karlsson Stefan - Sumarokov Evgeny (2046) | won| +5 | |
| Meritee Ando (2651) - Karlsson Stefan | lost| -4 | |
| Karlsson Stefan - Balabhai Viktor (2021) | won| +5 | |
| Kadulin Alexander (2323) - Karlsson Stefan | lost| -16 | |
| Karlsson Stefan - Krayeva Tatiana (2052) | won| +5 | |
| 2329 - 2331 |
| Lag-SM 2006 (9-10.12.06)
|
| Taimla Tunnet (2517) - Karlsson Stefan | lost| -8 | |
| Karlsson Stefan - Carlsson Martin (2265) | won| +13 | |
| Eriksson Marcus (2067) - Karlsson Stefan | won| +6 | |
| Karlsson Stefan - Karlsson Martin (1790) | won| +1 | |
| 2331 - 2343 |
| Swedish Cup - Final (16.-17.12.2006)
|
| Gaulitz Joachim (2386) - Karlsson Stefan | lost| -14 | |
| Gaulitz Joachim (2386) - Karlsson Stefan | lost| -14 | |
| 2343 - 2315 |
| Swedish Championship 2007. High League. Jonkoping (25-29.04.2007)
|
| Karlsson Stefan - Jonsson Peter (2173) | won| +10 | |
| Karlsson Stefan - Eriksson Bjorn (2137) | won| +8 | |
| Karlsson Stefan - Sandström Richard (2026) | won| +5 | |
| Karlsson Stefan - Andersson Tord (2090) | won| +7 | |
| Karlsson Stefan - Lind Björn (2129) | won| +8 | |
| Karlsson Stefan - Carlsson Martin (2270) | won| +14 | |
| Karlsson Stefan - Asplund Bengt (2135) | won| +8 | |
| Karlsson Stefan - Hallqvist Joel (1836) | won| +2 | |
| Karlsson Stefan - Blomstedt Torbjorn (1927) | won| +3 | |
| 2315 - 2380 |
| Swedish Cup. Quarter finals (09.06.2007)
|
| Eriksson Marcus (1952) - Karlsson Stefan | won| +2 | |
| Karlsson Stefan - Eriksson Marcus (1952) | won| +2 | |
| 2380 - 2384 |
| Swedish Cup 2007. Semi Final. (10.06.2007)
|
| Karlsson Stefan - Lindberg Kristian (2175) | won| +7 | |
| Karlsson Stefan - Lindberg Kristian (2175) | won| +7 | |
| 2384 - 2398 |
| Swedish Cup - Final (28-29.07.2007)
|
| Karlsson Stefan - Carlsson Martin (2228) | won| +9 | |
| Karlsson Stefan - Carlsson Martin (2228) | won| +9 | |
| 2398 - 2416 |
| 10th WC Q-tournament (05-15.08.2007)
|
| Karlsson Stefan - Wu Di (2319) | draw| -4 | |
| Karlsson Stefan - Jonsson Peter (2139) | lost| -27 | |
| Karlsson Stefan - Eriksson Marcus (1963) | won| +2 | |
| Savrasova Yuliya (2387) - Karlsson Stefan | draw| -1 | |
| Karlsson Stefan - Shi-Wen Li (2137) | won| +5 | |
| Karlsson Stefan - Lu Wei-Yuan (2062) | won| +4 | |
| Karlsson Stefan - Qiu Yunfei (2409) | won| +16 | |
| 2416 - 2411 |
| 10th WC A-tournament (9-15.08.2007)
|
| Wu Di (2370) - Karlsson Stefan | lost| -18 | |
| Chingin Konstantin (2531) - Karlsson Stefan | lost| -11 | |
| Yamaguchi Yusui (2592) - Karlsson Stefan | won| +24 | |
| Sushkov Vladimir (2548) - Karlsson Stefan | lost| -10 | |
| Purk Andri (2311) - Karlsson Stefan | lost| -20 | |
| Taimla Tunnet (2471) - Karlsson Stefan | won| +19 | |
| Savrasova Yuliya (2401) - Karlsson Stefan | lost| -16 | |
| Karlsson Stefan - Okabe Hiroshi (2522) | draw| +5 | |
| Karlsson Stefan - Kozhin Mikhail (2323) | lost| -20 | |
| Karlsson Stefan - Iio Yoshihiro (2484) | won| +19 | |
| Karlsson Stefan - Oll Aivo (2466) | won| +19 | |
| 2411 - 2402 |
| Swedish Championship 2008. High League. (26-30.03.2008)
|
| Karlsson Stefan - Carlsson Martin (2210) | won| +8 | |
| Karlsson Stefan - Wallgren Bjorn (2089) | lost| -27 | |
| Karlsson Stefan - Andersson Tord (2151) | won| +6 | |
| Karlsson Stefan - Lind Björn (2134) | lost| -26 | |
| Karlsson Stefan - Lindberg Kristian (2161) | draw| -10 | |
| Karlsson Stefan - Sandström Richard (2023) | won| +3 | |
| Karlsson Stefan - Ternerot Fredrik (2173) | won| +7 | |
| Karlsson Stefan - Lindholm Petter (2074) | won| +4 | |
| Karlsson Stefan - Jonsson Peter (2130) | won| +6 | |
| 2402 - 2373 |
| 7th World Team Championship. Helsinki (27.04-02.05.2008)
|
| Cao Dong (2468) - Karlsson Stefan | draw| +4 | |
| Sushkov Vladimir (2493) - Karlsson Stefan | won| +21 | |
| Iio Yoshihiro (2404) - Karlsson Stefan | won| +17 | |
| Lents Johann (2233) - Karlsson Stefan | draw| -6 | |
| Karlsson Stefan - Saarenpää Samuli (2280) | won| +12 | |
| Karlsson Stefan - Laube Pavel (2206) | won| +9 | |
| Artemiev Sergey (2261) - Karlsson Stefan | lost| -21 | |
| 2373 - 2409 |
| 9th European Championship. Russia, Saint Petersburg. (28.07-02.08.2008)
|
| Kadulin Alexander (2261) - Karlsson Stefan | lost| -22 | |
| Taimla Tunnet (2534) - Karlsson Stefan | lost| -10 | |
| Karlsson Stefan - Merkulov Artyom (2097) | draw| -11 | |
| Karlsson Stefan - Filinov Vladimir (2156) | draw| -10 | |
| Karlsson Stefan - Khramov Andrey (2025) | won| +3 | |
| Karlsson Stefan - Sinyov Igor (2352) | won| +13 | |
| Karlsson Stefan - Dzajnukov Eldar (2060) | won| +4 | |
| Karlsson Stefan - Purk Andri (2385) | draw| -1 | |
| 2409 - 2375 |
| 20-th RIF Celebration Tournament. Estonia, Haapsalu. (07.08.2008)
|
| Okabe Hiroshi (2523) - Karlsson Stefan | draw| +6 | |
| Karlsson Stefan - Väljataga Paul (1902) | won| +2 | |
| Karlsson Stefan - Skuridin Alexey (2076) | won| +5 | |
| Karlsson Stefan - Karasyov Maxim (2195) | won| +8 | |
| Attila Demjan (2377) - Karlsson Stefan | lost| -16 | |
| Karlsson Stefan - Gorohov Nikita (1742) | won| +1 | |
| 2375 - 2381 |
| Karepa 2008 (Rejection) (13-15.08.2008)
|
| Kozhin Mikhail (2290) - Karlsson Stefan | lost| -20 | |
| Karlsson Stefan - Maksimov Nikolay (1939) | won| +2 | |
| Karlsson Stefan - Sumarokova Aleksandra (1491) | won| +0 | |
| Kruchok Roman (1930) - Karlsson Stefan | lost| -30 | |
| Kadulin Alexander (2268) - Karlsson Stefan | lost| -21 | |
| Karlsson Stefan - Eriksson Marcus (2031) | won| +4 | |
| Karlsson Stefan - Molotova Anastasiya (1548) | won| +0 | |
| 2381 - 2316 |