| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 651. G Barbero vs R Moor |
| 1-0 | 17 | 1999 | Lugano op | D93 Grunfeld, with Bf4 & e3 |
| 652. G Barbero vs I Rausis |
| 0-1 | 43 | 1999 | Ambassador Open | D45 Queen's Gambit Declined Semi-Slav |
| 653. G Barbero vs J Costa |
| 1-0 | 42 | 2000 | Lisbon Summer Open | E90 King's Indian |
| 654. H Charneira vs G Barbero |
| 0-1 | 30 | 2000 | Lisbon Summer Open | A00 Uncommon Opening |
| 655. G Barbero vs F Ribeiro |
| 1-0 | 24 | 2000 | Lisbon Summer Open | A41 Queen's Pawn Game (with ...d6) |
| 656. Ftacnik vs G Barbero |
| ½-½ | 34 | 2000 | Lisbon Summer Open | A13 English |
| 657. G Barbero vs J Gallagher |
| ½-½ | 11 | 2000 | Lisbon Summer Open | E92 King's Indian |
| 658. Kazhgaleyev vs G Barbero |
| 0-1 | 39 | 2000 | Lisbon Summer Open | E71 King's Indian, Makagonov System (5.h3) |
| 659. G Barbero vs J Horvath |
| 0-1 | 46 | 2000 | Lisbon Summer Open | A46 Queen's Pawn Game |
| 660. N Mitkov vs G Barbero |
| 1-0 | 28 | 2000 | Lisbon Summer Open | B25 Sicilian, Closed |
| 661. S Kocic vs G Barbero |
| 0-1 | 41 | 2000 | Lisbon Summer Open | A14 English |
| 662. G Barbero vs C Pereira dos Santos |
| 1-0 | 40 | 2000 | Lisbon Summer Open | E80 King's Indian, Samisch Variation |
| 663. G Barbero vs Z Varga |
| ½-½ | 31 | 2000 | Budapest FS12 GM | A29 English, Four Knights, Kingside Fianchetto |
| 664. Radjabov vs G Barbero |
 | 1-0 | 33 | 2000 | Budapest FS12 GM | A57 Benko Gambit |
| 665. G Barbero vs F Berkes |
| ½-½ | 18 | 2000 | Budapest FS12 GM | E04 Catalan, Open, 5.Nf3 |
| 666. R Markus vs G Barbero |
| 1-0 | 62 | 2000 | Budapest FS12 GM | E81 King's Indian, Samisch |
| 667. G Barbero vs A Szeberenyi |
| 0-1 | 30 | 2000 | Budapest FS12 GM | D92 Grunfeld, 5.Bf4 |
| 668. G Barbero vs P Lukacs |
| ½-½ | 16 | 2000 | Budapest FS12 GM | E08 Catalan, Closed |
| 669. A Czebe vs G Barbero |
| 1-0 | 40 | 2000 | Budapest FS12 GM | B07 Pirc |
| 670. G Barbero vs N Resika |
| 1-0 | 35 | 2000 | Budapest FS12 GM | B08 Pirc, Classical |
| 671. G Antal vs G Barbero |
| 0-1 | 24 | 2000 | Budapest FS12 GM | B06 Robatsch |
| 672. G Barbero vs A Szieberth |
| ½-½ | 60 | 2000 | Budapest FS12 GM | A67 Benoni, Taimanov Variation |
| 673. C Balogh vs G Barbero |
| ½-½ | 12 | 2000 | Budapest FS12 GM | C96 Ruy Lopez, Closed |
Kibitzing
