| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1451. M Illescas vs A Rosell |
| ½-½ | 74 | 2014 | Barcelona GM | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 1452. C Li vs M Illescas |
| 1-0 | 25 | 2014 | Barcelona GM | D17 Queen's Gambit Declined Slav |
| 1453. D Anton Guijarro vs M Illescas |
| 1-0 | 28 | 2015 | 1st Neoclassical Masters | D30 Queen's Gambit Declined |
| 1454. M Illescas vs J C Ibarra Jerez |
| 0-1 | 34 | 2015 | 1st Neoclassical Masters | A07 King's Indian Attack |
| 1455. M Illescas vs F Vallejo Pons |
| ½-½ | 51 | 2015 | 1st Neoclassical Masters | E11 Bogo-Indian Defense |
| 1456. M Illescas vs D Forcen Esteban |
| 1-0 | 30 | 2015 | 1st Neoclassical Masters | D56 Queen's Gambit Declined |
| 1457. A Espinosa Aranda vs M Illescas |
| 1-0 | 43 | 2015 | 1st Neoclassical Masters | E67 King's Indian, Fianchetto |
| 1458. I Salgado Lopez vs M Illescas |
| 1-0 | 62 | 2015 | 1st Neoclassical Masters | A29 English, Four Knights, Kingside Fianchetto |
| 1459. A Matnadze Bujiashvili vs M Illescas |
| 0-1 | 57 | 2015 | 1st Neoclassical Masters | D02 Queen's Pawn Game |
| 1460. M Illescas vs E Kabanova |
| 1-0 | 58 | 2018 | 20th Sants Open | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 1461. N Paltrinieri vs M Illescas |
| 1-0 | 35 | 2018 | 20th Sants Open | A45 Queen's Pawn Game |
| 1462. J Kokje vs M Illescas |
| 0-1 | 31 | 2018 | 20th Sants Open | D23 Queen's Gambit Accepted |
| 1463. M Illescas vs S Mingarro Carceller |
| 1-0 | 62 | 2018 | 20th Sants Open | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 1464. B Escalante Ramirez vs M Illescas |
| 0-1 | 62 | 2018 | 20th Sants Open | B48 Sicilian, Taimanov Variation |
| 1465. M Illescas vs J Guerra Mendez |
| 1-0 | 58 | 2018 | 20th Sants Open | A28 English |
| 1466. F Peralta vs M Illescas |
| ½-½ | 40 | 2018 | 20th Sants Open | D27 Queen's Gambit Accepted, Classical |
| 1467. M Illescas vs S Vaibhav |
| ½-½ | 71 | 2018 | 20th Sants Open | A28 English |
| 1468. M Illescas vs S Volkov |
| 1-0 | 42 | 2018 | 20th Sants TB 1st-5th | A06 Reti Opening |
| 1469. M Illescas vs Nisipeanu |
| ½-½ | 33 | 2018 | 20th Sants TB 1st-5th | A06 Reti Opening |
| 1470. M Illescas vs M Anurag |
| 1-0 | 48 | 2018 | 20th Sants TB 1st-5th | A04 Reti Opening |
| 1471. V Vetoshko vs M Illescas |
| 0-1 | 37 | 2018 | 20th Sants Open | C65 Ruy Lopez, Berlin Defense |
| 1472. S Volkov vs M Illescas |
| 0-1 | 81 | 2018 | 20th Sants TB 1st-5th | D35 Queen's Gambit Declined |
| 1473. Nisipeanu vs M Illescas |
| ½-½ | 33 | 2018 | 20th Sants TB 1st-5th | A45 Queen's Pawn Game |
| 1474. Nisipeanu vs M Illescas |
 | 1-0 | 22 | 2018 | 20th Sants TB 1st-5th | A45 Queen's Pawn Game |
| 1475. M Anurag vs M Illescas |
| 0-1 | 59 | 2018 | 20th Sants TB 1st-5th | D79 Neo-Grunfeld, 6.O-O, Main line |
Kibitzing
