CChessStats

"Steinitz Open" FIDE rated Chess Tournament 2026 C G12

Open SwissStandard

25 players participated in this 11-round tournament, held from 21 May 2026 to 24 May 2026 in Ulaanbaatar, Mongolia. Top 10 Elo average was 1578, and top seed was Purevsuren Nomunbileg (🇲🇳 MGL, 1711).

Purevsuren Nomunbileg (🇲🇳 MGL, 1711) won with 9.0/11, ahead of Tenuunbuyan Sukhbaatar (9.0) and Ganchuluun Iveelkhuslen (8.5). Nomunbileg shared the lead from round 8, winning on tie-break.

The biggest upset came in round 2: Javkhlan Burtegeljin (1452) beat Purevsuren Nomunbileg (1711), a +259-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
Top seed
🇲🇳Purevsuren Nomunbileg1711
Avg top 10
1,578
Participants
25
Federations · 1 represented
🇲🇳Mongolia×13
Top 3

How it unfolded

Top 6 · 11 rounds

Tight race until R11; 2 players tied at 9.0/11, decided on Buchholz.

Co-leaders
11
5
3
1
3
1
1
4
2
2
2
35.58.511R1R2R3R4R5R6R7R8R9R10R11Namuun takes lead
Nomunbileg9Sukhbaatar9Iveelkhuslen8.5Namuun7.5Bolor-Uyanga7.5Agama6
R7 · LEADER CHANGE23 May

Bayarkhuu Namuun takes the sole lead (5.5/7).

R11 · TIEBREAK CLUSTER

2 players finish on 9.0/11. Nomunbileg takes the title on Buchholz Cut1 (67.0).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Purevsuren Nomunbileg beat Tenuunbuyan Sukhbaatar (Black).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Purevsuren Nomunbileg*
1
1
1
2Tenuunbuyan Sukhbaatar
0
*
0
1
3Ganchuluun Iveelkhuslen
0
1
*
½
4Bayarkhuu Namuun
0
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9R10R11PtsBu C1BuSBPerfΔ
1Nomunbileg, Purevsuren1711MGL+20B−13N+6BF+11N+3B+2N+5N+4B+8N+7B9.067.071.060.001911+60.8
2Tenuunbuyan Sukhbaatar1578MGL+19N+22B+5N+11B−3N+4B−1B+21N+7B+6N+12N9.063.066.048.501744+54.0
3Iveelkhuslen, Ganchuluun1605MGL+25B+16N+21B−4N+2B−1N+7B+6N=5B+11N+13N8.564.064.043.751694+35.2
4Bolor-Uyanga, Nyamragchaa1425MGL+7N−5B+23N+3B+14N−2N+11B+8B−1N+9B=6N7.568.571.543.001633+73.6
5Namuun, Bayarkhuu1671MGL+18B+4N−2B+7N=8B+21N+6N−1B=3N=13B+11B7.567.070.542.501623-16.6
6Agama, Enkhmandakh1681MGL=14N+10B−1N+15B+9N+8N−5B−3B+21N−2B=4B6.069.573.032.751473-77.6
7Tana-Erdene Adiyasuren0MGL−4B+18N+19N−5B+12N+9B−3N+13B−2N+14B−1N6.067.571.530.0013010.0
8Urnuun Enkhtur1561MGL+24B−21N+14N+22B=5N−6B+10B−4N=9N−1B+18B6.057.560.027.251444-31.6
9FIDE 49375970—+23B−11N+16B=21N−6B−7N+17B+12N=8B−4N+14B6.054.057.027.2512510.0
10Misheel Altanshagai1476MGL−16N−6N+18B+19B+23N−11B−8N−14B+22N+15B+21B6.046.549.522.50822-36.8
11Ujin, Bumshur1623MGL+17N+9B+13B−2N−1B+10N−4N+16B=14N−3B−5N5.568.573.029.001402-83.6
12FIDE 49381510—−13N+17B+15NF−7B+22B=16N−9B+20N+?N−2B5.556.556.518.757150.0
13Burtegeljin, Javkhlan1452MGL+12B+1B−11NFF+24N+23B−7N+18B=5N−3B5.551.551.527.751566+21.2
14Yanjinlkham Ganchuluun0MGL=6B+?N−8B+25N−4B+17N−21B+10N=11B−7N−9N5.051.051.016.2514810.0
15FIDE 49368680—F+25N−12B−6N−?B+?N−18B+24B+23N−10N+22B5.033.533.58.507790.0
16FIDE 49332730—+10B−3B−9N+20N−21B+?N=12B−11N−17BF+19N4.550.050.016.7514430.0
17FIDE 49378300—−11B−12N+20B=24N+22N−14B−9N+19B+16NFF4.543.543.516.758230.0
18FIDE 49348490—−5N−7B−10N+?BFF+15N+23B−13N+20B−8N4.043.043.012.007400.0
19FIDE 49353490—−2B+20N−7B−10N+24B−23N−?B−17N+25N+22B−16B4.042.542.59.507270.0
20FIDE 49366040—−1N−19B−17N−16BF+25N+22B+?N−12B−18N+23N4.037.537.56.009110.0
21Uyangakhur Chinbaatar0MGLF+8B−3N=9B+16N−5B+14N−2B−6BF−10N3.563.568.018.5013220.0
22FIDE 49356080—+?B−2N+24B−8N−17B−12N−20N+25B−10B−19N−15N3.046.546.52.507380.0
23FIDE 49376510—−9NF−4B+?N−10B+19B−13N−18N−15B+25N−20B3.042.042.04.006510.0
24FIDE 49382160—−8N+?B−22N=17B−19N−13B+25B−15N−?BFF2.532.532.52.257070.0
25FIDE 49382670—−3N−15BF−14B−?N−20B−24N−22N−19B−23B−?N0.035.035.00.008050.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets