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49th National Zonal Chess Tournament, Zone-5, Sylhet and Mymensing Divisions

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28 players participated in this 7-round tournament, held from 25 Aug 2025 to 29 Aug 2025 in Moulavibazar, Bangladesh. 3 titled players. Top 10 Elo average was 1957, and top seed was Golam Mostafa Bhuiyan (🇧🇩 BAN, 2068).

Golam Mostafa Bhuiyan (🇧🇩 BAN, 2068) won with 6.0/7, ahead of Sarker Avik (5.5) and Dhar Tutul (5.0). Bhuiyan won solo starting round 4.

The biggest upset came in round 7: Orjan Safwan Swadin (1748) beat Sanatan Zahid (1961), a +213-point gap.

Location
🇧🇩Moulavibazar, Bangladesh
Dates
25 Aug 2025 → 29 Aug 2025
Time control
Standard: 90 minutes for game with 10 sec increment from move 1
System
Swiss · 7 rounds
Top seed
🇧🇩Golam Mostafa Bhuiyan2068
Avg top 10
1,957
Participants
28
Titled players · 3
CM×3
Federations · 1 represented
🇧🇩Bangladesh×28
Top 3
  • 🥇
    Golam Mostafa Bhuiyan
    🇧🇩BAN·2068
    6.0pts·2198perf+18.0
  • 🥈
    CMSarker Avik
    🇧🇩BAN·1991
    5.5pts·2088perf+13.4
  • 🥉
    CMDhar Tutul
    🇧🇩BAN·1995
    5.0pts·2032perf+6.0

How it unfolded

Top 6 · 7 rounds

Golam Mostafa Bhuiyan led from R4; +0.5-point edge over the runner-up.

Co-leaders
13
6
2
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Bhuiyan6Avik5.5Tutul5Abdul5Asaduzzaman5Shatadru Shovan4.5
R4–R7 · LEAD HELD

Golam Mostafa Bhuiyan held the sole lead from R4 through R7 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Golam Mostafa Bhuiyan beat CM Sarker Avik (White).

WIN STREAKS · 2 top finishers

Golam Mostafa Bhuiyan 6 wins (R1–R6)CM Dhar Tutul 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Golam Mostafa Bhuiyan*
1
—
0
2CMSarker Avik
0
*
1
—
3CMDhar Tutul—
0
*
1
4Jalil Abdul
1
—
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Bhuiyan, Golam Mostafa2068BAN+7B+13N+4B+14N+2B+6N−5B6.028.031.026.002198+18.0
2Avik, SarkerCM1991BAN+22N+15B=6N+13B−1N+3B+9N5.526.027.018.752088+13.4
3Tutul , DharCM1995BAN+20B−4N+12B+17N+5B−2N+8B5.026.027.016.502032+6.0
4Asaduzzaman, Ahad1865BAN+21N+3B−1N+15B+9N+13B−6B5.026.027.016.502011+19.8
5Abdul, Jalil1858BAN+19B−8N+20B+12N−3N+14B+1N5.023.024.015.002035+47.6
6Shatadru Shovan, Dey1908BAN+27NF=2B+8N+14B−1B+4N4.524.524.514.752130+29.8
7Safwan Swadin, Orjan1748BAN−1N+18B=10N+11B−15N+19B+14N4.522.023.512.501898+37.2
8Md. Jamal UddinCM2022BAN+11N+5B−14N−6B+20N+15B−3N4.024.525.513.001876-22.4
9Yaruf, Ahmed0BAN−12B+26N+16B+19N−4B+17N−2B4.021.521.57.5018080.0
10Prodyumna, Singha Bijoy1928BAN+26B−12N=7B+16N−17B+21N=11B4.019.019.08.251728-53.6
11Sudipto, Pal1705BAN−8B=19N+28B−7N+22B+12N=10N4.018.518.57.251780+12.0
12Radha Kishor, Singha1768BAN+9N+10B−3N−5B+23N−11B=13N3.525.526.510.751727-6.0
13Shah Md. Saiful, Ali1895BAN+18B−1B+25N−2N+21B−4N=12B3.523.024.05.751601-54.0
14Zahid, Sanatan1961BAN+28B+16N+8B−1B−6N−5N−7B3.027.027.07.001783-28.2
15Syed Shahjahan, Mehdi1830BAN+23B−2N+24B−4N+7B−8N−16B3.023.024.06.501654-21.6
16Md, Mohsin Ali1842BANF−14B−9N−10B+18N+23B+15N3.017.018.06.001781-9.6
17Rezaul, Karim Chowdhury1936BAN−24N+27B+22N−3B+10N−9BF3.015.015.05.001962+2.8
18Md Shohidul, Islam0BAN−13N−7N−23BF−16B+20N+21B2.014.014.02.0010280.0
19Omar, Mahmud Ansari0BAN−5N=11B+27N−9BF−7NF1.519.519.52.0014970.0
20Islam, Md? Nazrul0BAN−3N+21B−5NF−8B−18BF1.018.019.01.0011580.0
21Muhammed, Abdur Rob0BAN−4B−20NF+22B−13N−10B−18N1.016.516.51.0010960.0
22Johirul, Islam Rubel0BAN−2B+23N−17B−21N−11NFF1.015.515.51.0010770.0
23Syed, Abu Iqbal0BAN−15N−22B+18NF−12B−16NF1.014.015.02.0010130.0
24Md Dildar, Husen0BAN+17BF−15NFFFF1.013.013.03.0018830.0
25Safwan, Shami0BANF+28N−13BFFFF1.07.57.50.0010950.0
26Md, Kais Shami0BAN−10N−9BFFFFF0.011.011.00.0011280.0
27Md Shahid, Ahmed0BAN−6B−17N−19BFFFF0.09.09.00.0011220.0
28Kalam, Abul0BAN−14N−25B−11NFFFF0.08.08.00.0010330.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
49th National Zonal Chess Tournament, Zone-5, Sylhet and Mymensing Divisions (2025) — Moulavibazar, Bangladesh | Chess Tournament Results | ChessStats