Sando, Masao
Current rating: 1653
Record: 43-31-5
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1 | Hashimoto, Masatoshi (1585) | Won 2-1 | +181606 |
| 2standard | 162 | Itou, Ren (1518) | Won 2-1 | +161622 |
| 3standard | 71 | Matsushita, Junnya (1518) | Won 2-1 | +161638 |
| 4standard | 150 | Suzuki, Shogo (1469) | Won 2-1 | +151653 |
| 5standard | 84 | Murae, Ryuji (1575) | Lost 0-2 | -191634 |
| 6standard | 72 | Tamura, Youhei (1561) | Won 2-0 | +171651 |
| 7standard | 77 | Inabu, Yota (1523) | Won 2-1 | +151666 |
| 8standard | 66 | Machida, Takatoshi (1561) | Lost 1-2 | -201646 |
| 9standard | 164 | Masuda, Jyunya (1574) | Won 2-1 | +171663 |
| 10standard | 66 | Tanaka, Akira (1642) | Lost 0-2 | -181645 |
| 11standard | 83 | Nakata, Yusuke (1595) | Won 2-1 | +171662 |
| 12standard | 54 | Hasegawa, Kazuhiko (1467) | Lost 0-2 | -221640 |
| 13standard | 93 | Nakatani, Hiroki (1575) | Draw 0-0 | -11639 |
| 14standard | 78 | Iimura, Yuta (1528) | Won 2-1 | +161655 |
| 15standard | 63 | Yabuuchi, Michitarou (1597) | Won 2-1 | +171672 |
| 16standard | 47 | Nanjo, Masashi (1612) | Lost 1-2 | -191653 |
| top | average opponent: 1556record: 10-5-1 | new rating: 1653 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1615 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Shiino, Youichi (1422) | Won 2-1 | +141629 |
| 2sealed | 98 | Takakura, Takeshi (1457) | Lost 0-2 | -211608 |
| 3sealed | 101 | Yano, Kunihiro (1484) | Lost 1-2 | -201588 |
| top | average opponent: 1454record: 1-2 | new rating: 1588 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 49 | Hosomi, Yuuichi (1500) | Won 2-1 | +161632 |
| 2extended | 28 | Tamaki, Satoshi (1536) | Won 2-1 | +161648 |
| 3extended | 36 | Kaji, Tomohiro (1857) | Won 2-1 | +221670 |
| 4extended | 16 | Hayashi, Shinsuke (1724) | Lost 0-2 | -171653 |
| 5extended | 52 | Ogura, Ryou (1495) | Lost 1-2 | -211632 |
| 6extended | 83 | Kanno, Atsushi (1692) | Lost 0-2 | -171615 |
| top | average opponent: 1634record: 3-3 | new rating: 1615 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Sakai, Yasuki (1692) | Lost 1-2 | -171604 |
| 2sealed | 236 | Yagi, Wataru (1483) | Won 2-1 | +161620 |
| 3sealed | 208 | Imai, Takashi (1516) | Lost 0-2 | -201600 |
| 4sealed | 214 | Machi, Hiroki (1464) | Won 2-0 | +161616 |
| top | average opponent: 1539record: 2-2 | new rating: 1616 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 253 | Suzuki, Masatsuna (1616) | Won 2-1 | +181629 |
| 2sealed | 43 | Kato, Kazuki (1630) | Lost 0-2 | -181611 |
| 3sealed | 240 | Nakamura, Kiyonari (1514) | Won 2-0 | +161627 |
| 4sealed | 106 | Yamabe, Kazumi (1450) | Won 2-1 | +151642 |
| 5sealed | 45 | Sato, Hisaumi (1480) | Lost 1-2 | -211621 |
| top | average opponent: 1538record: 3-2 | new rating: 1621 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 85 | Yamasaki, Masami (1446) | Won 2-0 | +151601 |
| 2extended | 2 | Kawai, Masato (1500) | Lost 0-2 | -201581 |
| 3extended | 139 | Igarashi, Ryouto (1501) | Won 2-0 | +171598 |
| 4extended | 88 | Morita, Katsunobu (1526) | Draw 1-1 | -11597 |
| 5extended | 95 | Kaneishi, Yoshiyuki (1456) | Won 2-0 | +151612 |
| 6extended | 60 | Nishikubo, Shogo (1537) | Draw 1-1 | -11611 |
| top | average opponent: 1494record: 3-1-2 | new rating: 1611 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 83 | Saitou, Yuu (1500) | Lost 0-2 | -201550 |
| 3extended | 118 | Suzuki, Yasutomo (1500) | Won 2-0 | +171567 |
| 4extended | 125 | Suzuki, Yuichi (1504) | Won 2-1 | +171584 |
| 5extended | 53 | Niwa, Toshiharu (1667) | Won 2-0 | +201604 |
| 6extended | 46 | Douyama, Tsuyoshi (1749) | Won 2-1 | +201624 |
| 7extended | 28 | Kashima, Akihiro (1641) | Lost 0-2 | -171607 |
| 8extended | 45 | Hashimoto, Yasuhiro (1537) | Won 2-0 | +161623 |
| 9extended | 32 | Asahara, Akira (1614) | Lost 0-2 | -181605 |
| 10extended | 27 | Matsuda, Hiromi (1561) | Lost 0-2 | -191586 |
| 11extended | 31 | Soma, Tetsuya (1531) | Won 2-1 | +171603 |
| 12extended | 30 | Kanda, Satoshi (1534) | Won 2-0 | +171620 |
| 13extended | 21 | Nobushita, Jun (1693) | Lost 0-2 | -161604 |
| 14extended | 21 | Arita, Ryuichi (1621) | Lost 1-2 | -181586 |
| top | average opponent: 1589record: 7-6 | new rating: 1586 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Fujii, Masahiro (1500) | Won 2-0 | +181554 |
| 2sealed | 176 | Matsuo, Akiyoshi (1517) | Won 2-0 | +171571 |
| 3sealed | 25 | Suzuki, Shinya (1536) | Lost 0-2 | -191552 |
| 4sealed | 129 | Nakamura, Takahiro (1501) | Won 2-1 | +181570 |
| 5sealed | 83 | Hidaka, Ayumi (1504) | Won 2-1 | +161586 |
| 6sealed | 68 | Kurasawa, Kanto (1660) | Lost 0-2 | -161570 |
| top | average opponent: 1536record: 4-2 | new rating: 1570 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 55 | Takeuchi, Hidehito (1518) | Won 2-1 | +181536 |
| 4block | 117 | Hojo, Naomasa (1580) | Lost 0-2 | -171519 |
| 5block | 176 | Paku, Yu (1537) | Lost 0-2 | -181501 |
| 6block | 206 | Miyoshida, Kunio (1521) | Won 2-0 | +181519 |
| 7block | 158 | Kaga, Ayumu (1535) | Won 2-1 | +191538 |
| 8block | 80 | Nakano, Yoshitsuka (1521) | Won 2-1 | +171555 |
| 9block | 41 | Masuda, Masakazu (1501) | Lost 1-2 | -191536 |
| top | average opponent: 1530record: 4-3 | new rating: 1536 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 88 | Kaneko, Takanori (1500) | Won 2-0 | +181518 |
| 2sealed | 30 | Anabuki, Kazuhisa (1533) | Won 2-0 | +181536 |
| 3sealed | 49 | Arai, Kenichiro (1534) | Won 2-1 | +181554 |
| 4sealed | 19 | Kubouchi, Naoki (1580) | Lost 1-2 | -171537 |
| 5sealed | 60 | Hasegawa, Taro (1504) | Draw 1-1 | -11536 |
| 6sealed | 56 | Mikami, Kazuya (1535) | Draw 1-1 | 01536 |
| 7sealed | 75 | Yanase, Ikuhito (1537) | Lost 0-2 | -181518 |
| top | average opponent: 1532record: 3-2-2 | new rating: 1518 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 35 | Watanabe, Shinji (1500) | Won 2-1 | +181518 |
| 3extended | 106 | Toochika, Takayuki (1518) | Won 2-1 | +181536 |
| 4extended | 54 | Noguchi, Yuji (1518) | Won 2-0 | +181554 |
| 5extended | 6 | Noda, Koji (1580) | Lost 1-2 | -181536 |
| 6extended | 52 | Ishida, Itaru (1537) | Lost 1-2 | -181518 |
| 7extended | 102 | Ogura, Ryou (1502) | Lost 0-2 | -181500 |
| top | average opponent: 1526record: 3-3 | new rating: 1500 | ||