Berther, Ivo
Current rating: 1460
Record: 14-19-1
| Grand Prix London 2013 (GTC limited) | starting rating: 1382 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 379 | Cunniffe, Alasdair (1449) | Lost 0-2 | -161366 |
| 2sealed | 736 | Phillips, Jonathan (1479) | Won 2-0 | +201386 |
| 3sealed | 359 | Shiel, Vincent J (1500) | Won 2-0 | +201406 |
| 4sealed | 596 | Turek, Nicolas (1461) | Won 2-1 | +191425 |
| 5sealed | 248 | Yurochko, Nikita (1539) | Won 2-0 | +201445 |
| 6sealed | 165 | Kolipinski, Adam (1556) | Won 2-0 | +201465 |
| 7sealed | 158 | Rabie, Mikael (1733) | Lost 0-2 | -131452 |
| 8sealed | 258 | Sjoblom, Max (1854) | Won 2-0 | +251477 |
| 9sealed | 125 | Say, Ian (1576) | Lost 1-2 | -171460 |
| top | average opponent: 1572record: 6-3 | new rating: 1460 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Dellas, Tim (1505) | Lost 1-2 | -171408 |
| 2sealed | 175 | Ossapofsky, Reinhold (1493) | Won 2-0 | +201428 |
| 3sealed | 136 | Petersen, Stefan (1604) | Lost 1-2 | -151413 |
| 4sealed | 217 | Eckl, Sebastian (1646) | Lost 0-2 | -141399 |
| 5sealed | 194 | Torchalla, Elias (1466) | Lost 0-2 | -171382 |
| top | average opponent: 1543record: 1-4 | new rating: 1382 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Salamon, Michal (1676) | Lost 0-2 | -141455 |
| 2sealed | 259 | Bergsleithner, Rudi (1482) | Won 2-0 | +181473 |
| 3sealed | 260 | Marti, Ruedi (1557) | Lost 0-2 | -161457 |
| 4sealed | 379 | Krebs, Markus (1624) | Lost 0-1 | -151442 |
| 5sealed | 372 | Beyreder, Markus (1464) | Lost 0-2 | -181424 |
| 6sealed | 360 | Ecker, Rainer (1449) | Draw 1-1 | +11425 |
| top | average opponent: 1542record: 1-4-1 | new rating: 1425 | ||
| Grand Prix Zurich 2004 (Mirrodin block) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 53 | Kelterbaum, Catherine (1500) | Won 2-0 | +181484 |
| 2block | 132 | Radi, Marijan (1518) | Lost 1-2 | -171467 |
| 3block | 230 | Le Donge, Eric (1448) | Lost 0-2 | -181449 |
| 4block | 221 | Calmet, Jeffry (1481) | Won 2-0 | +181467 |
| 5block | 171 | Russo, Enrico (1539) | Lost 1-2 | -161451 |
| 6block | 195 | Berther, Carlo (1484) | Won 2-0 | +181469 |
| top | average opponent: 1495record: 3-3 | new rating: 1469 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 354 | Ruf, Peter (1500) | Won 2-0 | +181518 |
| 2sealed | 170 | Engleitner, Herbert (1579) | Lost 1-2 | -171501 |
| 3sealed | 206 | Niederberger, Andre (1503) | Lost 1-2 | -181483 |
| 4sealed | 374 | Sappl, Josef (1482) | Won 2-1 | +181501 |
| 5sealed | 335 | Wagner, Mirko (1574) | Won 2-1 | +191520 |
| 6sealed | 160 | Joens, Klaus (1516) | Lost 1-2 | -181502 |
| 7sealed | 232 | Roder, Hans-Martin (1473) | Lost 0-2 | -181484 |
| 8sealed | 206 | Rotundo, Orlando (1482) | Lost 0-2 | -181466 |
| top | average opponent: 1514record: 3-5 | new rating: 1466 | ||