Ma, Geoff
Current rating: 1704 (#6165)

Grand Prix Kyoto 2017 (HOU limited) starting rating: 1676
round table opponent (rating) result Δrating
3sealed 369 Nakamura, Kazuhiro (1489) Won 2-1 +151691
4sealed 194 Yamaguchi, Tomoyuki (1569) Lost 1-2 -201671
5sealed 409 Harada, Akio (1492) Won 2-1 +151686
6sealed 298 Endo, Natsumi (1552) Lost 0-2 -211665
7sealed 469 Yamada, Takahiro (1429) Won 2-0 +141679
8sealed 288 Hozuki, Atsushi (1449) Won 2-0 +141693
9sealed 119 Matsubara, Ichiro (1700) Won 2-0 +181711
10draft 26 Soh, Joe (2123) Lost 0-2 -111700
11draft 337 Lee, Kuangyao (1603) Won 2-1 +161716
12draft 177 Tsuchihashi, Takuya (1799) Lost 1-2 -161700
13draft 40 Ieda, Toma (1552) Won 2-0 +151715
14draft 36 Saporito, Thiago (2120) Lost 0-2 -111704
top average opponent: 1656record: 7-5 new rating: 1704

Grand Prix Kobe 2017 (modern) starting rating: 1670
round table opponent (rating) result Δrating
1modern 280 Nakamura, Taro (1381) Won 2-0 +131683
2modern 106 Okada, Hajime (1384) Won 2-1 +131696
3modern 113 Kusadani, Takehiko (1654) Lost 0-2 -191677
4modern 670 Yamawaki, Satoru (1486) Lost 0-2 -211656
5modern 821 Nakamura, Yuki 6139 (1540) Lost 0-2 -201636
6modern 925 Kondo, Go (1468) Won 2-1 +151651
7modern 703 Maruno, Takaaki (1520) Won 2-0 +151666
8modern 725 Bushisue, Hidehiro (1512) Won 2-0 +151681
9modern 313 Kunisada, Hayato (1535) Won 2-0 +161697
10modern 220 Kouta, Hayakawa (1558) Lost 0-2 -211676
top average opponent: 1504record: 6-4 new rating: 1676

Grand Prix Nagoya 2016 (OGW limited) starting rating: 1600
round table opponent (rating) result Δrating
1sealed 800 Hata, Hirotaka (1617) Lost 1-2 -171583
2sealed 761 Kotani, Sunao (1407) Won 2-0 +151598
3sealed 903 Hara, Hiroyuki (1502) Won 2-0 +161614
4sealed 445 Ono, Ikumi (1458) Won 2-0 +151629
5sealed 194 Shinomiya, Yusuke (1468) Lost 0-2 -211608
6sealed 536 Fukumoto, Nobuhiro (1453) Won 2-0 +151623
7sealed 404 Yasuo, Matui (1541) Won 2-1 +171640
8sealed 169 Shibayama, Hayato (1430) Won 2-1 +141654
9sealed 203 Sugimura, Yoshiyasu (1682) Lost 1-2 -181636
10draft 91 Harada, Masao (1574) Won 2-1 +171653
11draft 233 Koga, Tomohiro (1577) Won 2-0 +171670
12draft 169 Masuda, Jyunya (1611) Won 2-1 +171687
13draft 177 Katayama, Koujun (1553) Won 2-1 +151702
14draft 272 Keller, Thomas (1708) Lost 1-2 -171685
15draft 172 Shigehara, Toshinori (1900) Lost 1-2 -151670
top average opponent: 1565record: 10-5 new rating: 1670

Grand Prix Vancouver 2014 (THS standard) starting rating: 1624
round table opponent (rating) result Δrating
1standard 223 Kwok, Ellis (1664) Lost 0-2 -171607
2standard 352 Grann, Fayth (1411) Won 2-0 +141621
3standard 335 Haggstrom, Eric (1466) Won 2-1 +161637
4standard 228 Huteson, Tom (1745) Lost 0-2 -161621
5standard 292 MacMillan, Dan (1500) Lost 1-2 -211600
top average opponent: 1557record: 2-3 new rating: 1600

Grand Prix Portland 2013 (modern) starting rating: 1659
round table opponent (rating) result Δrating
1modern 148 Lopez, Angel (1484) Lost 0-2 -221637
2modern 357 Clancy, Paul J (1455) Won 2-1 +151652
3modern 293 Rock, Kenneth (1499) Lost 1-2 -211631
4modern 417 Gilbert, Tyson (1448) Won 2-0 +151646
5modern 281 Williams, Aaron M (1434) Lost 0-2 -221624
top average opponent: 1464record: 2-3 new rating: 1624

Grand Prix Vancouver 2012 (AVR limited) starting rating: 1620
round table opponent (rating) result Δrating
1sealed 273 Lundstrom, Kyle (1500) Won 2-0 +151635
2sealed 15 Leclair, Oliver (1517) Lost 0-2 -201615
3sealed 135 Genovese, Tony (1485) Won 2-0 +161631
4sealed 125 Yee, Ted (1516) Won 2-0 +161647
5sealed 91 Zafra, Marcel Angelo (1720) Won 2-1 +191666
6sealed 98 Erickson, Kyle (1552) Lost 0-2 -201646
7sealed 113 Muir, Brandon (1485) Won 2-1 +151661
8sealed 91 Yeung, Tim (1540) Won 2-0 +161677
9sealed 70 Watson, Garrett (1656) Lost 1-2 -181659
top average opponent: 1552record: 6-3 new rating: 1659

Grand Prix Seattle-Tacoma 2012 (DKA limited) starting rating: 1633
round table opponent (rating) result Δrating
1sealed 27 MCCOMBER, CHRIS (1500) Won 2-0 +161649
2sealed 207 deChatonnayree, Erik T (1518) Lost 0-2 -201629
3sealed 355 Ringue, Melvin (1482) Won 2-0 +151644
4sealed 278 Adair, Zach (1493) Lost 1-2 -211623
5sealed 405 Woods, Chris (1548) Won 2-1 +171640
6sealed 219 Kolb, Jon (1518) Lost 1-2 -201620
top average opponent: 1510record: 3-3 new rating: 1620

Grand Prix Portland 2010 (M11 limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 52 Beal, Jeremy W (1500) Won 2-1 +181518
2sealed 294 Jansen, Adam (1500) Won 2-1 +181536
3sealed 85 Toelken, Austin (1616) Won 2-0 +191555
4sealed 97 Wu, Jia (1741) Lost 0-2 -151540
5sealed 96 Clay, Ellis (1678) Won 2-1 +211561
6sealed 50 Lambert, Kevin (1510) Won 2-1 +171578
7sealed 100 Bailey, Benjamin (1594) Lost 1-2 -181560
8sealed 175 Edwards, Terry (1558) Won 2-0 +181578
9sealed 53 Sperling, Matthew (1991) Won 2-0 +251603
10sealed 25 Young, Nick w (1641) Won 2-0 +191622
11draft 46 Cooper, Caleb D (1625) Lost 1-2 -181604
12draft 37 Paulello, Tristan (1580) Won 2-0 +181622
13draft 66 Munyer, Shane (1632) Lost 1-2 -181604
14draft 48 Black, Samuel (1861) Won 2-0 +221626
15draft 6 Rietzl, Paul (2025) Lost 0-2 -111615
16draft 45 Braun, Andrew (1615) Won 2-0 +181633
top average opponent: 1667record: 11-5 new rating: 1633