Deyan Samuil Kostov

BUL · 20 yrs · K=20 · Peak 2368 (Aug 2025)

Best performance: 2514 at IV OPEN CHESS MENORCA GRUPO A(Best of 2025)

World #=3590 live9#3,581 publishedBulgaria #26#2 U20 in Bulgaria

OCT26 Rating

2316

Live Rating

2316.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Working toward the International Master title2 tracked norms · 18/27 gamesrating 2368 of 2400, live 2316composition metdetails ↓

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	SMM NLB 2026 (group 202)Mar 15 – Sep 13TPR 2455	2/3	2455

The live rating moves only when new rated games are played. Until then it matches the published rating.

Title Progress

IM title progress

Working toward the International Master title

Tracked norms: 2 · 18 of 27 games credit

Rating: peak 2368, needs 2400

No outstanding composition requirement

projectedIV OPEN CHESS MENORCA GRUPO A Apr 20255½/9Rp 2526

projectedS: Split Open 2024 Aug 20246½/9Rp 2455

Based on events we cover plus the FIDE norm registers of all federations. Norms filed elsewhere may not show up here yet.

Event timeline · Classical

30 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

SMM NLB 2026 (group 202)2455
Mar – Sep 2026Teamfederation source
Best of 2026Score 2/3Opp avg 2330Start 2320
SMM NLB 2026 round 6—(1)
Aug 2026Teamfederation source
Score 0/1Opp avg 2193Start 2327
Masters Inca - IV Mallorca Chess International2382
Sep – Oct 2025Round robinfederation source
#3 in 2025Score 5/9Opp avg 2287Start 2303
6th Paul Keres Memorial Festival 2025 - Keres Classic Open A2229
Aug 2025Swissfederation source
#6 in 2025Score 5/9Opp avg 2186Start 2368
34th OPEN CHESS TOURNAMENT OF KAVALA VASILIS THEODORIDIS A2216
Jul – Aug 2025Swissfederation source
#7 in 2025Score 5/9Opp avg 2173Start 2367
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo)2368
Jul 2025Swissfederation source
#5 in 2025Score 5½/9Opp avg 2288Start 2367
SMM 2025 NLB round 5—(1)
Jun 2025Teamfederation source
Score 1/1Opp avg 2250Start 2352
Internationales Pfingst-Open 2025 A im 3. Muenchner Schachfestival2375
Jun 2025Swissfederation source
#4 in 2025Score 5½/9Opp avg 2295Start 2352
SMM 2025 NLB round 4—(1)
May 2025Teamfederation source
Score 0/1Opp avg 2317Start 2363
IV OPEN CHESS MENORCA GRUPO AIM norm2514
Apr 2025Swissfederation source
Best of 2025Score 5½/9Opp avg 2434Start 2313
SMM 2025 NLB round 1—(1)
Mar 2025Teamfederation source
Score 1/1Opp avg 2060Start 2347
38eme Festival International des Jeux de Cannes - Open A (p2100)2166
Feb – Mar 2025Swissfederation source
#8 in 2025Score 4/8Opp avg 2166Start 2347
International Tournament "Prestige 2025" - OPEN A2396
Jan 2025Swissfederation source
#2 in 2025Score 6½/9Opp avg 2230Start 2334
Basel Christmas Master Open20242308
Dec 2024Swissfederation source
#4 in 2024Score 4½/8Opp avg 2265Start 2334
S: Split Open 2024IM norm2421
Aug 2024Swissfederation source
#2 in 2024Score 7/10Opp avg 2272Start 2298
S: Zadar Chess Festival, A-turnir2194
Jul 2024Swissfederation source
#8 in 2024Score 3½/9Opp avg 2274Start 2352
V Open Internacional Valencia Cuna del Ajedrez2224
Jul 2024Swissfederation source
#7 in 2024Score 5½/9Opp avg 2144Start 2352
SMM 2024 NLA round 5—(1)
Jun 2024Teamfederation source
Score 0/1Opp avg 2374Start 2352
SMM 2024 NLB round 4—(1)
May 2024Teamfederation source
Score 1/1Opp avg 2155Start 2358
Open International de Geneve 20242276
May 2024Swissfederation source
#6 in 2024Score 5½/7Opp avg 2046Start 2358
GRENKE Chess Open 2024 A-Open2440
Mar – Apr 2024Swissfederation source
Best of 2024Score 6½/9Opp avg 2274Start 2328
SMM 2024 NLB round 1—(1)
Mar 2024Teamfederation source
Score ½/1Opp avg 2385Start 2328
36e Festival International des Jeux de Cannes Open A (plus 2100)2355
Feb 2024Swissfederation source
#3 in 2024Score 5/9Opp avg 2312Start 2236
Basel General Open 20242295
Feb 2024Swissfederation source
#5 in 2024Score 4/5Opp avg 2055Start 2236
SGM 2024 (Bundesliga und 1.Regionalliga) round 4-5—(1)
Jan 2024Teamfederation source
Score ½/1Opp avg 2291Start 2233

Rated near Deyan Samuil Kostov · Classical

World

#=3590FMBruno Topencik2316.0
#=3590Lev Paciorkowski2316.0
#=3590FMDeyan Samuil Kostov2316.0
#=3590FMVishnu Vanapalli2316.0
#=3590FMRyan Amburgy2316.0

Bulgaria

Live ratings projected from the OCT26 published list · Not affiliated with FIDE