Ma, Geoff
Current rating: 1704 (#6031)

Grand Prix Kyoto 2017 (HOU limited) starting rating: 1676
round table opponent (rating) result Δrating
3 369 Nakamura, Kazuhiro (1489) Won 2-1 +151691
4 194 Yamaguchi, Tomoyuki (1569) Lost 1-2 -201671
5 409 Harada, Akio (1492) Won 2-1 +141685
6 298 Endo, Natsumi (1552) Lost 0-2 -201665
7 469 Yamada, Takahiro (1429) Won 2-0 +141679
8 288 Hozuki, Atsushi (1449) Won 2-0 +141693
9 119 Matsubara, Ichiro (1700) Won 2-0 +181711
10 26 Soh, Joe (2123) Lost 0-2 -111700
11 337 Lee, Kuangyao (1603) Won 2-1 +161716
12 177 Tsuchihashi, Takuya (1799) Lost 1-2 -161700
13 40 Ieda, Toma (1552) Won 2-0 +151715
14 36 Saporito, Thiago (2119) 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
1 280 Nakamura, Taro (1381) Won 2-0 +131683
2 106 Okada, Hajime (1384) Won 2-1 +131696
3 113 Kusadani, Takehiko (1654) Lost 0-2 -191677
4 670 Yamawaki, Satoru (1486) Lost 0-2 -211656
5 821 Nakamura, Yuki 6139 (1540) Lost 0-2 -201636
6 925 Kondo, Go (1468) Won 2-1 +151651
7 703 Maruno, Takaaki (1520) Won 2-0 +151666
8 725 Bushisue, Hidehiro (1512) Won 2-0 +151681
9 313 Kunisada, Hayato (1535) Won 2-0 +161697
10 220 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
1 800 Hata, Hirotaka (1617) Lost 1-2 -171583
2 761 Kotani, Sunao (1407) Won 2-0 +151598
3 903 Hara, Hiroyuki (1502) Won 2-0 +161614
4 445 Ono, Ikumi (1458) Won 2-0 +151629
5 194 Shinomiya, Yusuke (1468) Lost 0-2 -211608
6 536 Fukumoto, Nobuhiro (1453) Won 2-0 +151623
7 404 Yasuo, Matui (1541) Won 2-1 +171640
8 169 Shibayama, Hayato (1430) Won 2-1 +141654
9 203 Sugimura, Yoshiyasu (1682) Lost 1-2 -181636
10 91 Harada, Masao (1574) Won 2-1 +171653
11 233 Koga, Tomohiro (1577) Won 2-0 +171670
12 169 Masuda, Jyunya (1611) Won 2-1 +171687
13 177 Katayama, Koujun (1553) Won 2-1 +151702
14 272 Keller, Thomas (1708) Lost 1-2 -171685
15 172 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
1 223 Kwok, Ellis (1664) Lost 0-2 -171607
2 352 Grann, Fayth (1411) Won 2-0 +141621
3 335 Haggstrom, Eric (1466) Won 2-1 +161637
4 228 Huteson, Tom (1745) Lost 0-2 -161621
5 292 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
1 148 Lopez, Angel (1484) Lost 0-2 -221637
2 357 Clancy, Paul J (1455) Won 2-1 +151652
3 293 Rock, Kenneth (1499) Lost 1-2 -211631
4 417 Gilbert, Tyson (1448) Won 2-0 +151646
5 281 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
1 273 Lundstrom, Kyle (1500) Won 2-0 +151635
2 15 Leclair, Oliver (1517) Lost 0-2 -201615
3 135 Genovese, Tony (1485) Won 2-0 +161631
4 125 Yee, Ted (1516) Won 2-0 +161647
5 91 Zafra, Marcel Angelo (1719) Won 2-1 +191666
6 98 Erickson, Kyle (1552) Lost 0-2 -201646
7 113 Muir, Brandon (1485) Won 2-1 +151661
8 91 Yeung, Tim (1540) Won 2-0 +161677
9 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
1 27 MCCOMBER, CHRIS (1500) Won 2-0 +161649
2 207 deChatonnayree, Erik T (1518) Lost 0-2 -201629
3 355 Ringue, Melvin (1482) Won 2-0 +151644
4 278 Adair, Zach (1493) Lost 1-2 -211623
5 405 Woods, Chris (1548) Won 2-1 +171640
6 219 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
1 52 Beal, Jeremy W (1500) Won 2-1 +181518
2 294 Jansen, Adam (1500) Won 2-1 +181536
3 85 Toelken, Austin (1616) Won 2-0 +191555
4 97 Wu, Jia (1741) Lost 0-2 -151540
5 96 Clay, Ellis (1678) Won 2-1 +211561
6 50 Lambert, Kevin (1510) Won 2-1 +171578
7 100 Bailey, Benjamin (1594) Lost 1-2 -181560
8 175 Edwards, Terry (1558) Won 2-0 +181578
9 53 Sperling, Matthew (1990) Won 2-0 +251603
10 25 Young, Nick w (1641) Won 2-0 +191622
11 46 Cooper, Caleb D (1624) Lost 1-2 -181604
12 37 Paulello, Tristan (1580) Won 2-0 +181622
13 66 Munyer, Shane (1632) Lost 1-2 -181604
14 48 Black, Samuel (1861) Won 2-0 +221626
15 6 Rietzl, Paul (2025) Lost 0-2 -111615
16 45 Braun, Andrew (1615) Won 2-0 +181633
top average opponent: 1667record: 11-5 new rating: 1633