"Steinitz Open" FIDE rated Chess Tournament 2026 C U8
Open SwissStandard
49 players participated in this 11-round tournament, held from 21 May 2026 to 24 May 2026 in Ulaanbaatar, Mongolia. Top 10 Elo average was 1096, and top seed was Tushig Shinebayar (🇲🇳 MGL, 1661).
Buyankhishig Bat-Erdene (🇲🇳 MGL, 1637) won with 10.0/11, ahead of Mendsaikhan Ulemj (9.0) and Zogsoo Anand (9.0). Bat-Erdene shared the lead from round 8 and won solo starting round 9.
The biggest upset came in round 10: Mendsaikhan Ulemj (1427) beat Tushig Shinebayar (1661), a +234-point gap.
Location
🇲🇳Ulaanbaatar, Mongolia
Dates
21 May 2026 → 24 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 11 rounds
Federations · 1 represented
🇲🇳Mongolia×16
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 11 roundsBuyankhishig Bat-Erdene led from R9; +1.0-point edge over the runner-up. Title race converged from 6 co-leaders at R4 to 1 by R9.
Co-leaders
61
31
14
6
3
2
1
3
1
1
1
R9 · LEADER CHANGE23 May
Buyankhishig Bat-Erdene takes the sole lead (8.0/9).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Buyankhishig Bat-Erdene lost to Zogsoo Anand (Black).
WIN STREAKS · 3 top finishers
Buyankhishig Bat-Erdene 3+7 wins (R1–R3, R5–R11)Zogsoo Anand 7 wins (R1–R7)Mendsaikhan Ulemj 5 wins (R1–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Buyankhishig Bat-Erdene | * | 0 | 1 | 1 |
| 2Zogsoo Anand | 1 | * | 1 | 1 |
| 3Mendsaikhan Ulemj | 0 | 0 | * | — |
| 4Todbilig Ankhbayar | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 | R11 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Buyankhishig Bat-Erdene | 1637 | MGL | +43B | +44N | +41B | −3N | +30B | +32N | +8B | +6N | +2B | +4N | +12B | 10.0 | 71.5 | 75.5 | 66.50 | 2343 | +30.4 |
| 2 | Ulemj, Mendsaikhan | 1427 | MGL | +45B | +40N | +33B | +24N | +7B | −3N | +9B | +5N | −1N | +17B | +11N | 9.0 | 75.0 | 79.0 | 60.00 | 1807 | +78.4 |
| 3 | Anand, Zogsoo | 0 | MGL | +?N | +?B | +4N | +1B | +17N | +2B | +6N | −11B | =23N | +15B | =5N | 9.0 | 72.0 | 72.0 | 57.25 | 1590 | 0.0 |
| 4 | Todbilig Ankhbayar | 0 | MGL | +?B | +18N | −3B | +?N | +?B | +?N | =5B | +?N | +11N | −1B | +17N | 8.5 | 48.5 | 48.5 | 25.50 | 1630 | 0.0 |
| 5 | Sod, Munkh-Orgil | 1603 | MGL | +47N | +46B | −19N | +38B | +34N | +33B | =4N | −2B | +27N | +13B | =3B | 8.0 | 68.5 | 70.0 | 45.25 | 627 | -29.2 |
| 6 | FIDE 4932226 | 0 | — | +?B | +?N | +10B | +19N | +13B | +15N | −3B | −1B | −?N | +31N | +20B | 8.0 | 62.0 | 62.0 | 43.00 | 837 | 0.0 |
| 7 | FIDE 4935586 | 0 | — | +?B | +?N | +23B | +?N | −2N | −11B | +?N | +?B | =12N | +25B | =8N | 8.0 | 45.0 | 45.0 | 20.75 | 1427 | 0.0 |
| 8 | Anand Baasanjav | 0 | MGL | +?B | +?N | +?B | −13N | +27B | +?N | −1N | +30B | =25N | +?B | =7B | 8.0 | 44.5 | 44.5 | 19.75 | 837 | 0.0 |
| 9 | Bishrelt Bayanmunkh | 0 | MGL | +?B | +?N | +?B | =?N | =11N | +17B | −2N | −25B | +?N | +?B | +21N | 8.0 | 37.0 | 37.0 | 17.75 | 1534 | 0.0 |
| 10 | FIDE 4931580 | 0 | — | +?B | +?B | −6N | +?N | +?B | =23N | −15B | +24N | =?B | +18N | +?B | 8.0 | 35.5 | 35.5 | 16.75 | 1456 | 0.0 |
| 11 | Bilguunbayar Nyamsuren | 1554 | MGL | +35B | +22N | =14B | +29N | =9B | +7N | =13B | +3N | −4B | +16N | −2B | 7.5 | 78.0 | 84.0 | 55.00 | 627 | -26.8 |
| 12 | Uilstuvshin Batbold | 1659 | MGL | −34N | +42B | +35N | +21B | +25N | −19B | +37N | +13N | =7B | +23B | −1N | 7.5 | 70.0 | 75.0 | 48.00 | 1527 | -13.2 |
| 13 | Tugs-Erdene Burenjargal | 0 | MGL | +?B | +?N | +?N | +8B | −6N | +28B | =11N | −12B | +14B | −5N | +24B | 7.5 | 59.0 | 59.0 | 31.75 | 1332 | 0.0 |
| 14 | FIDE 4932650 | 0 | — | +26B | +?N | =11N | −15B | +?N | +24B | −17N | +?B | −13N | +?B | +25N | 7.5 | 49.0 | 49.0 | 23.25 | 1415 | 0.0 |
| 15 | Ariunbaatar, Amarbayar | 0 | MGL | +?B | +?N | =29B | +14N | +?B | −6B | +10N | =23N | +?B | −3N | =?N | 7.5 | 45.0 | 45.0 | 21.75 | 1476 | 0.0 |
| 16 | FIDE 4935225 | 0 | — | +?B | +?N | −?B | +?N | =24B | −?N | +?N | +?B | +28N | −11B | +23N | 7.5 | 26.5 | 26.5 | 15.75 | 1363 | 0.0 |
| 17 | Tushig Shinebayar | 1661 | MGL | +48B | +30N | +39B | +28N | −3B | −9N | +14B | +32N | +18B | −2N | −4B | 7.0 | 72.0 | 72.0 | 37.50 | 627 | -31.6 |
| 18 | FIDE 4932951 | 0 | — | +?N | −4B | −20N | +?B | +?N | +31B | +?N | +22B | −17N | −10B | +37B | 7.0 | 49.0 | 49.0 | 18.50 | 861 | 0.0 |
| 19 | FIDE 4935284 | 0 | — | +?B | +?N | +5B | −6B | +?N | +12N | −?B | −?N | −32B | +?N | +31B | 7.0 | 35.5 | 35.5 | 21.50 | 1606 | 0.0 |
| 20 | FIDE 4932250 | 0 | — | +?B | −24N | +18B | +?N | −23B | +?N | −?B | +39N | +?N | +?B | −6N | 7.0 | 33.0 | 33.0 | 12.00 | 616 | 0.0 |
| 21 | Khangai Munkhdul | 0 | MGL | +?B | −?N | +?B | −12N | −?B | +?N | +?N | +?B | +?N | +?N | −9B | 7.0 | 15.5 | 15.5 | 0.00 | 859 | 0.0 |
| 22 | FIDE 4935446 | 0 | — | +?N | −11B | +?B | −?N | +?N | +?B | +?B | −18N | −?B | +?N | +?B | 7.0 | 14.5 | 14.5 | 0.00 | 754 | 0.0 |
| 23 | Sengun Amarsanaa | 1416 | MGL | +36N | +25B | −7N | +37B | +20N | =10B | +26N | =15B | =3B | −12N | −16B | 6.5 | 73.5 | 79.0 | 43.75 | 859 | -8.0 |
| 24 | FIDE 4932269 | 0 | — | +?N | +20B | +?N | −2B | =16N | −14N | +?B | −10B | +26N | +?B | −13N | 6.5 | 53.0 | 53.0 | 17.25 | 627 | 0.0 |
| 25 | Itgelt Bayarbaatar | 0 | MGL | +?B | −23N | +?B | +?N | −12B | +?N | +?B | +9N | =8B | −7N | −14B | 6.5 | 45.5 | 45.5 | 12.00 | 738 | 0.0 |
| 26 | FIDE 4934334 | 0 | — | −14N | +?B | +?N | =?B | +38N | +?B | −23B | −27N | −24B | +?N | +?B | 6.5 | 32.5 | 32.5 | 5.50 | 616 | 0.0 |
| 27 | FIDE 4938364 | 0 | — | −?N | +?B | +?N | +?B | −8N | +?B | =?N | +26B | −5B | −?N | +?B | 6.5 | 22.5 | 22.5 | 6.50 | 803 | 0.0 |
| 28 | FIDE 4931939 | 0 | — | +37B | +?N | +?B | −17B | +?N | −13N | −32B | +?N | −16B | −30N | +?B | 6.0 | 39.5 | 39.5 | 5.50 | 861 | 0.0 |
| 29 | FIDE 4932293 | 0 | — | +?B | +?N | =15N | −11B | =?N | +34B | +36N | −?B | +30N | −33B | −?N | 6.0 | 39.0 | 39.0 | 21.75 | 754 | 0.0 |
| 30 | FIDE 4932773 | 0 | — | +?N | −17B | +?N | +?B | −1N | +?B | +?N | −8N | −29B | +28B | −?N | 6.0 | 37.0 | 37.0 | 6.00 | 849 | 0.0 |
| 31 | Molor Batjargal | 0 | MGL | +?B | +?N | −?B | +39N | −?B | −18N | +?B | +40N | +?N | −6B | −19N | 6.0 | 32.0 | 32.0 | 10.00 | 695 | 0.0 |
| 32 | FIDE 4930711 | 0 | — | −?N | +?N | +?B | +?B | +?N | −1B | +28N | −17B | +19N | −?N | −?B | 6.0 | 30.0 | 30.0 | 13.00 | 798 | 0.0 |
| 33 | FIDE 4931980 | 0 | — | F | +?B | −2N | +?N | +?B | −5N | −?B | +?N | +?B | +29N | −?B | 6.0 | 23.0 | 23.0 | 6.00 | 708 | 0.0 |
| 34 | FIDE 4932196 | 0 | — | +12B | −?N | +?B | +?N | −5B | −29N | +?B | −?N | −?B | +?N | +?B | 6.0 | 21.5 | 21.5 | 7.50 | 1461 | 0.0 |
| 35 | FIDE 4935055 | 0 | — | −11N | +?B | −12B | +?N | −?B | +?N | −?B | +?N | −?B | +?N | +?B | 6.0 | 15.0 | 15.0 | 0.00 | 807 | 0.0 |
| 36 | FIDE 4933338 | 0 | — | −23B | −?N | +?B | +?N | +?B | +?N | −29B | +?N | −?B | +?N | −?B | 6.0 | 12.5 | 12.5 | 0.00 | 616 | 0.0 |
| 37 | FIDE 4932200 | 0 | — | −28N | F | +?B | −23N | +?B | +?N | −12B | +?N | =?B | +?B | −18N | 5.5 | 27.0 | 27.0 | 0.00 | 738 | 0.0 |
| 38 | FIDE 4935357 | 0 | — | =?B | +?N | +?B | −5N | −26B | −?B | +?N | −?N | +43B | −?N | +?N | 5.5 | 19.0 | 19.0 | 4.50 | 803 | 0.0 |
| 39 | FIDE 4935438 | 0 | — | +?B | +?N | −17N | −31B | +?N | −?B | +?N | −20B | +?N | −?B | −?N | 5.0 | 20.0 | 20.0 | 0.00 | 861 | 0.0 |
| 40 | FIDE 4936906 | 0 | — | +?N | −2B | +?N | −?B | −?N | +?B | +?N | −31B | −?N | −?B | +?N | 5.0 | 15.0 | 15.0 | 0.00 | 627 | 0.0 |
| 41 | FIDE 4938283 | 0 | — | +?N | +?B | −1N | −?B | +?N | −?B | F | −?N | −?B | +?B | +?N | 5.0 | 10.0 | 10.0 | 0.00 | 837 | 0.0 |
| 42 | FIDE 4936302 | 0 | — | =?B | −12N | =?B | +?N | −?B | +?N | −?B | −?N | +?B | −?N | +?B | 5.0 | 7.5 | 7.5 | 0.00 | 859 | 0.0 |
| 43 | FIDE 4936094 | 0 | — | −1N | +?B | −?N | −?B | −?N | +?B | =?N | +?B | −38N | +?B | −?N | 4.5 | 15.5 | 15.5 | 0.00 | 837 | 0.0 |
| 44 | FIDE 4935853 | 0 | — | +?B | −1B | −?N | −?N | −?B | +?B | −?N | −?B | +?N | −?N | +?B | 4.0 | 10.0 | 10.0 | 0.00 | 837 | 0.0 |
| 45 | FIDE 4937198 | 0 | — | −2N | +?B | −?B | +?N | −?B | +?N | −?B | −?N | −?B | +?N | −?B | 4.0 | 9.0 | 9.0 | 0.00 | 627 | 0.0 |
| 46 | FIDE 4935195 | 0 | — | +?B | −5N | +?B | −?N | +?B | −?N | =?B | F | F | F | F | 3.5 | 8.0 | 8.0 | 0.00 | 803 | 0.0 |
| 47 | FIDE 4936108 | 0 | — | −5B | −?N | −?B | −?N | −?B | =?N | =?B | −?N | −?B | =?N | −?B | 1.5 | 8.0 | 8.0 | 0.00 | 803 | 0.0 |
| 48 | FIDE 4936558 | 0 | — | −17N | F | F | F | F | F | F | F | F | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 861 | 0.0 |
| 49 | FIDE 4937660 | 0 | — | −?B | −?N | F | F | F | F | F | F | F | F | F | 0.0 | 0.0 | 0.0 | 0.00 | 695 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ulemj, MendsaikhanMGL+78.49.0 pts · #3
- 2Buyankhishig Bat-ErdeneMGL+30.410.0 pts · #4
- 3Ariunbaatar, AmarbayarMGL0.07.5 pts · #7
Top rating losers
- 1Tushig ShinebayarMGL-31.67.0 pts · #16
- 2Sod, Munkh-OrgilMGL-29.28.0 pts · #24
- 3Bilguunbayar NyamsurenMGL-26.87.5 pts · #48
Biggest upsets
- R10+234 Elo gap
- R8+176 Elo gap
- R11+127 Elo gap