Rating › Rintarou Iwamura
Rating of Rintarou Iwamura
Player page Last game 2026-10-27
Current rating1606
Peak1606
2026-10-27
2026-10-27
Games30
By fiscal year
| FY | Age | Annual rank | Titles | Rank | Junisen | Ryuo-sen | Rating | Deviation | Change | W | L | Win rate |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FY2026 | age 20 | 90th | 4-dan | Class C2 | Group 6 | 1606 | +41 | 13 | 6 | 0.684 | ||
| FY2025 | age 19 | 110th | 4-dan | Group 6 | 1566 | -1 | 4 | 3 | 0.571 | |||
| FY2023 | age 17 | 113th | 3-dan | 1567 | -16 | 0 | 1 | 0.000 | ||||
| FY2022 | age 16 | 105th | 3-dan | 1583 | -2 | 1 | 2 | 0.333 |
Games by fiscal year
FY2026 results13W-6L
Win rate0.684
Rating1606
Annual rank90th
Rank/title at FY end / age4-dan / age 20
| No | Date | Before | Change | After | Opponent (before game) | Tournaments | Side | Result |
|---|---|---|---|---|---|---|---|---|
| 1 | 4/10 | 1562 | -9 | 1553 | Keiichi Sanada8-dan / age 53 1515 | Osho-sen Prelim 1 Round 3 | Sente | ● |
| 2 | 4/22 | 1553 | +4 | 1557 | Hiroshi Okazaki7-dan / age 58 1388 | Ryuo-sen Group 6 Promotion playoff Round 1 | Gote | ○ |
| 3 | 5/11 | 1557 | -10 | 1547 | Wataru Kamimura5-dan / age 39 1455 | Ryuo-sen Group 6 Promotion playoff Round 2 | Gote | ● |
| 4 | 6/2 | 1547 | -4 | 1543 | Kei Honda6-dan / age 28 1718 | Kisei-sen Prelim 1 Round 1 | Sente | ● |
| 5 | 6/11 | 1543 | +7 | 1550 | Mitsunori Makino6-dan / age 38 1485 | Junisen Class C2 Round 1 | Sente | ○ |
| 6 | 7/11 | 1550 | +5 | 1555 | 早咲誠和アマ 1418 | Amateur | Gote | ○ |
| 7 | 7/11 | 1550 | +5 | 1555 | 早咲誠和アマ 1418 | Asahi Cup Prelim 1 Round 1 | Gote | ○ |
| 8 | 7/16 | 1560 | +10 | 1569 | Yujirou Takahashi4-dan / age 27 1629 | Junisen Class C2 Round 2 | Gote | ○ |
| 9 | 7/29 | 1569 | -7 | 1562 | Junpei Ide5-dan / age 35 1596 | Asahi Cup Prelim 1 Round 2 | Sente | ● |
| 10 | 8/6 | 1562 | +7 | 1569 | Yoshitaka Hoshino5-dan / age 37 1504 | Junisen Class C2 Round 3 | Sente | ○ |
| 11 | 8/13 | 1569 | +4 | 1573 | Tadao Kitajima7-dan / age 60 1394 | Oza-sen Prelim 1 Round 1 | Sente | ○ |
| 12 | 8/27 | 1573 | +10 | 1583 | Kenshi Tokuda5-dan / age 28 1684 | Junisen Class C2 Round 4 | Sente | ○ |
| 13 | 9/2 | 1583 | +9 | 1592 | Naoki Koyama4-dan / age 26 1628 | Oza-sen Prelim 1 Round 2 | Sente | ○ |
| 14 | 9/11 | 1592 | -11 | 1581 | Yasuaki Tsukada9-dan / age 61 1454 | Oi-sen Prelims Round 1 | Sente | ● |
| 15 | 9/15 | 1581 | +9 | 1590 | Ao Kokubo4-dan / age 20 1608 | Eio-sen 4-dan section Round 1 | Sente | ○ |
| 16 | 9/15 | 1581 | -5 | 1576 | Ryuma Yoshiike4-dan / age 21 1725 | Eio-sen 4-dan section Round 2 | Gote | ● |
| 17 | 9/24 | 1585 | +6 | 1591 | Kota Kanai6-dan / age 40 1508 | Junisen Class C2 Round 5 | Gote | ○ |
| 18 | 10/22 | 1591 | +9 | 1600 | Reo Koyama4-dan / age 33 1624 | Junisen Class C2 Round 6 | Sente | ○ |
| 19 | 10/27 | 1600 | +6 | 1606 | Yoshitaka Hoshino5-dan / age 38 1530 | Oza-sen Prelim 1 | Gote | ○ |
FY2025 results4W-3L
Win rate0.571
Rating1566
Annual rank110th
Rank/title at FY end / age4-dan / age 19
| No | Date | Before | Change | After | Opponent (before game) | Tournaments | Side | Result |
|---|---|---|---|---|---|---|---|---|
| 1 | 12/19 | 1561 | +8 | 1569 | 中七海 1559 | Ryuo-sen Group 6 Ranking Round 1 | Sente | ○ |
| 2 | 1/9 | 1569 | -7 | 1562 | Taiki Yamakawa4-dan / age 27 1630 | Ryuo-sen Group 6 Ranking Round 2 | Sente | ● |
| 3 | 1/14 | 1562 | -11 | 1551 | Yoshiyuki Matsumoto7-dan / age 54 1440 | Kio-sen Prelims Round 1 | Sente | ● |
| 4 | 2/24 | 1551 | +10 | 1561 | Eiji Iijima8-dan / age 46 1626 | NHK Cup Prelims Round 1 | Sente | ○ |
| 5 | 2/24 | 1551 | -6 | 1545 | Shiryu Katayama4-dan / age 21 1630 | NHK Cup Prelims Round 2 | Sente | ● |
| 6 | 3/13 | 1555 | +6 | 1561 | Yoshiyuki Matsumoto7-dan / age 54 1485 | Osho-sen Prelim 1 Round 1 | Sente | ○ |
| 7 | 3/13 | 1555 | +11 | 1566 | Takuma Oikawa7-dan / age 38 1700 | Osho-sen Prelim 1 Round 2 | Gote | ○ |
FY2023 results0W-1L
Win rate0.000
Rating1567
Annual rank113th
Rank/title at FY end / age3-dan / age 17
| No | Date | Before | Change | After | Opponent (before game) | Tournaments | Side | Result |
|---|---|---|---|---|---|---|---|---|
| 1 | 5/30 | 1577 | -10 | 1567 | Tomoki Yokoyama4-dan / age 23 1491 | Kakogawa Seiryu-sen Main Round 2 | Gote | ● |
FY2022 results1W-2L
Win rate0.333
Rating1583
Annual rank105th
Rank/title at FY end / age3-dan / age 16
| No | Date | Before | Change | After | Opponent (before game) | Tournaments | Side | Result |
|---|---|---|---|---|---|---|---|---|
| 1 | 6/22 | 1585 | -6 | 1579 | Hiroshi Yamamoto4-dan / age 25 1672 | Kakogawa Seiryu-sen Main Round 2 | Sente | ● |
| 2 | 6/22 | 1585 | +8 | 1593 | Yujirou Takahashi3-dan / age 22 1585 | Kakogawa Seiryu-sen Main Round 1 | Gote | ○ |
| 3 | 12/26 | 1587 | -4 | 1583 | Asuto Saito5-dan / age 24 1804 | Shinjin-o-sen Main Round 2 | Sente | ● |
Unofficial Elo rating calculated by this site from available game results (each fiscal year is shifted so that the average player is 1600). Up to FY1963 only Junisen games are included; from FY1964 all official games. Games without dates are ordered by estimated term and round.Method
How the deviation score is calculated: see here.