RSHK Cup Osen 2025 Final
Open SwissStandard
14 players participated in this 7-round tournament, held from 20 Dec 2025 to 25 Dec 2025 in Bishkek, Kyrgyzstan. Top 10 Elo average was 1252, and top seed was Aleksandr Morozov (🇰🇬 KGZ, 1713).
Almasbek Rysbaev (🇰🇬 KGZ, 0) won with 6.0/7, ahead of Aleksandr Morozov (5.5) and Umar Kerimov (4.0). Rysbaev shared the lead from round 6 and broke clear in the final round.
The biggest upset came in round 4: Daniiar Keldibaev (1502) beat Akbar Duishenaliev (1629), a +127-point gap.
Location
🇰🇬Bishkek, Kyrgyzstan
Dates
20 Dec 2025 → 25 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇰🇬Kyrgyzstan×13
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsAlmasbek Rysbaev led from R3; +0.5-point edge over the runner-up.
Co-leaders
5
2
1
1
1
2
1
R5 · LEADER CHANGE20 Dec
Aleksandr Morozov takes the sole lead (4.5/5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Almasbek Rysbaev lost to Aleksandr Morozov (White).
R1–R4 · WIN STREAK
Almasbek Rysbaev won 4 in a row (R1–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Almasbek Rysbaev | * | 0 | — | 1 |
| 2Aleksandr Morozov | 1 | * | ½ | 1 |
| 3Shabdan Alikov | — | ½ | * | 1 |
| 4Umar Kerimov | 0 | 0 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rysbaev, Almasbek | 0 | KGZ | +6B | +9B | +10N | +7N | −2B | +3B | +12N | 6.0 | 20.5 | 22.0 | 16.50 | 1662 | 0.0 |
| 2 | Morozov, Aleksandr | 1713 | KGZ | +5N | +3B | =7B | +9N | +1N | =4B | =8N | 5.5 | 24.0 | 26.5 | 21.50 | 1775 | +6.6 |
| 3 | Kerimov, Umar | 1526 | KGZ | +11B | −2N | +13N | −4B | +6B | −1N | +10B | 4.0 | 23.0 | 24.0 | 8.50 | 1604 | +13.6 |
| 4 | Alikov, Shabdan | 1548 | KGZ | =12N | −6B | +8N | +3N | =9B | =2N | =7B | 4.0 | 21.5 | 23.0 | 13.25 | 1573 | +6.8 |
| 5 | Keldibaev, Daniiar | 1502 | KGZ | −2B | +11N | −9N | +10B | −8B | +13N | +6B | 4.0 | 18.5 | 19.5 | 8.50 | 1609 | +11.2 |
| 6 | Koibagarov, Djergalbek | 1524 | KGZ | −1N | +4N | =12B | +13B | −3N | +9B | −5N | 3.5 | 22.0 | 23.0 | 8.25 | 1540 | +3.2 |
| 7 | Dadabaev, Ardasher | 1512 | KGZ | F | +10B | =2N | −1B | +12N | −8B | =4N | 3.0 | 22.0 | 23.0 | 8.25 | 1755 | +38.4 |
| 8 | Diushebekov, Askar | 0 | KGZ | −9N | =12B | −4B | F | +5N | +7N | =2B | 3.0 | 21.0 | 22.5 | 10.50 | 1569 | 0.0 |
| 9 | Belekov, Samidin | 1567 | KGZ | +8B | −1N | +5B | −2B | =4N | −6N | F | 2.5 | 26.0 | 27.0 | 9.00 | 1486 | -19.6 |
| 10 | Duishenaliev, Akbar | 1629 | KGZ | +14B | −7N | −1B | −5N | +13N | −11B | −3N | 2.0 | 20.0 | 21.0 | 2.00 | 720 | -78.0 |
| 11 | Manapbaev, Cholponbek | 0 | KGZ | −3N | −5B | −14N | F | F | +10N | +13B | 2.0 | 15.0 | 15.0 | 3.00 | 1434 | 0.0 |
| 12 | Kudaibergenov, Badiuzzaman | 0 | KGZ | =4B | =8N | =6N | F | −7B | F | −1B | 1.5 | 20.5 | 21.5 | 5.25 | 1404 | 0.0 |
| 13 | FIDE 13858645 | 0 | — | F | +14N | −3B | −6N | −10B | −5B | −11N | 1.0 | 18.5 | 19.5 | 1.00 | 751 | 0.0 |
| 14 | Tzoi, Sergei | 0 | KGZ | −10N | −13B | +11B | F | F | F | F | 1.0 | 10.5 | 10.5 | 2.00 | 830 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Dadabaev, ArdasherKGZ+38.43.0 pts · #8
- 2Kerimov, UmarKGZ+13.64.0 pts · #6
- 3Keldibaev, DaniiarKGZ+11.24.0 pts · #7
Top rating losers
- 1Duishenaliev, AkbarKGZ-78.02.0 pts · #12
- 2Belekov, SamidinKGZ-19.62.5 pts · #9
- 3Tzoi, SergeiKGZ0.01.0 pts · #14
Biggest upsets
- R4+127 Elo gap
- R2+117 Elo gap
- R7+103 Elo gap