Mcdonald, Peter
Current rating: 1425
Record: 16-24-1
| Grand Prix London 2016 (KLD limited) | starting rating: 1380 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Wright, Simon (1603) | Lost 1-2 | -141366 |
| 2sealed | 709 | Bradley-Powell, Ashley (1482) | Won 2-1 | +201386 |
| 3sealed | 692 | Langer, Tomas (1701) | Lost 1-2 | -131373 |
| 4sealed | 947 | Seccombe, Charles (1483) | Won 2-0 | +201393 |
| 5sealed | 907 | Burrows, Lee (1453) | Won 2-0 | +191412 |
| 6sealed | 608 | Wilder, Justin (1551) | Lost 0-2 | -151397 |
| 7sealed | 600 | Lindgren, Tommi (1772) | Won 2-1 | +241421 |
| 8sealed | 382 | Dee, Aaron (1530) | Won 2-0 | +201441 |
| 9sealed | 488 | Djogouros, Michalis (1542) | Lost 0-2 | -161425 |
| top | average opponent: 1568record: 5-4 | new rating: 1425 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1367 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 125 | Foster, Ian (1428) | Won 2-1 | +191386 |
| 2standard | 175 | Keen, James (1562) | Won 2-0 | +211407 |
| 3standard | 354 | Walzer, Friedemann (1634) | Lost 0-2 | -141393 |
| 4standard | 461 | Caunce, Graham (1529) | Lost 1-2 | -161377 |
| 5standard | 580 | Ballard, Dale (1500) | Lost 0-2 | -151362 |
| 6standard | 612 | Musto, Corey (1481) | Won 2-0 | +201382 |
| 7standard | 409 | Nicholls, Jimmy (1502) | Won 2-1 | +201402 |
| 8standard | 279 | van Montfoort, Kees (1725) | Lost 0-2 | -121390 |
| 9standard | 371 | Stok, Alex (1847) | Lost 0-2 | -101380 |
| top | average opponent: 1579record: 4-5 | new rating: 1380 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1024 | Ettlinger, Maximilien (1570) | Lost 1-2 | -151379 |
| 2sealed | 1284 | Bovee, Alexander (1482) | Lost 1-2 | -161363 |
| 3sealed | 1460 | Demulder, Arne (1464) | Won 2-0 | +191382 |
| 4sealed | 1370 | Schroder, Harald (1502) | Lost 1-2 | -151367 |
| top | average opponent: 1505record: 1-3 | new rating: 1367 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 552 | Sherry, Kieran (1500) | Lost 1-2 | -171428 |
| 2sealed | 467 | Basch, Guillaume (1466) | Lost 0-2 | -171411 |
| 3sealed | 840 | Robinson, Ian (1465) | Lost 0-2 | -171394 |
| top | average opponent: 1477record: 0-3 | new rating: 1394 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 443 | Barnes, James (1500) | Lost 0-1 | -181462 |
| 2block | 478 | Poole, Rory (1444) | Lost 0-2 | -181444 |
| 3block | 63 | Evans, James (1467) | Won 2-1 | +181462 |
| 4block | 539 | Gough, Daniel (1481) | Lost 0-2 | -181444 |
| 5block | 547 | Myerscough, Fred (1464) | Draw 1-1 | +11445 |
| 6block | 495 | Tibble, Jamie (1465) | Won 2-0 | +181463 |
| 7block | 393 | Karbowski, Krzysztof (1384) | Won 2-0 | +171480 |
| 8block | 282 | Nuri, Muhd (1498) | Lost 0-2 | -181462 |
| 9block | 256 | Piekatz, Pascal (1500) | Lost 0-2 | -171445 |
| top | average opponent: 1467record: 3-5-1 | new rating: 1445 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Ward, Peter (1500) | Won 2-1 | +181518 |
| 2sealed | 503 | Murkin, Adam (1549) | Lost 1-2 | -171501 |
| 3sealed | 393 | Boeren, Marcel (1457) | Lost 0-2 | -191482 |
| 4sealed | 803 | Palmer, Ben (1485) | Lost 0-2 | -181464 |
| 5sealed | 755 | Keohane, Lawrence (1465) | Won 2-0 | +181482 |
| 6sealed | 588 | Dos Anjos, Mateus (1529) | Lost 0-2 | -171465 |
| 7sealed | 585 | Talbot, Ryan (1296) | Won 2-1 | +151480 |
| top | average opponent: 1469record: 3-4 | new rating: 1480 | ||