Avatar of Mark Machin Rivera

Mark Machin Rivera IM

SerMarkPR Since 2013 (Active) Chess.com ♟♟♟♟♟♟
46.8%- 48.1%- 5.1%
Bullet 2551
14142W 14584L 1489D
Blitz 2649
927W 923L 135D
Rapid 2367
27W 14L 7D
Recent Games
20 games
Loss
vs THO_VietAnhloveschess 2595
Apr 4, 2026
1m A13 English Opening: Agincourt Defense
THO_VietAnhloveschess won on time
Win
vs Chikki2021 2540
Apr 4, 2026
1m A49 Indian Defense: Przepiorka Variation
SerMarkPR won by resignation
Win
vs Tun-saifnajar 2582
Apr 3, 2026
1m A30 English Opening: Symmetrical Variation
SerMarkPR won by resignation
Win
vs vrnaith 2517
Apr 3, 2026
1m E63 King's Indian Defense: Fianchetto Variation, Panno Variation
SerMarkPR won by checkmate
Win
vs cchoww 2488
Apr 3, 2026
1m A20 English Opening: Drill Variation
SerMarkPR won by resignation
Loss
vs thechesstraveler 2576
Apr 3, 2026
1m B06 Modern
thechesstraveler won on time
Loss
vs ChiIlyTown 2590
Apr 3, 2026
1m A12 English: Bled Variation
ChiIlyTown won on time
Win
vs playchess170606 2513
Apr 3, 2026
1m E63 King's Indian Defense: Fianchetto Variation, Panno Variation
SerMarkPR won by resignation
Win
vs CROSSBONES_GLAZER 2618
Apr 3, 2026
1m A36 English Opening: Symmetrical Variation, Botvinnik System
SerMarkPR won on time
Win
vs BigManBlastoise009 2494
Apr 3, 2026
1m B06 Modern
SerMarkPR won by checkmate
Draw
vs TigranHToomanian 2564
Apr 3, 2026
1m A11 English Opening: Caro-Kann Defensive System
Game drawn by timeout vs insufficient material
Loss
vs Enderman4432 2533
Apr 3, 2026
1m B06 Modern
Enderman4432 won on time
Loss
vs TigranHToomanian 2574
Apr 3, 2026
1m B06 Modern
TigranHToomanian won on time
Loss
vs KoshkaMatrioshka 2737
Apr 3, 2026
1m A14 English Opening: Agincourt Defense, Keres Defense
KoshkaMatrioshka won on time
Win
vs Aram27 2537
Apr 3, 2026
1m A30 English Opening: Symmetrical Variation
SerMarkPR won by checkmate
Win
vs Saitago 2530
Apr 3, 2026
1m A25 English Opening: Closed, Taimanov Variation
SerMarkPR won by checkmate
Loss
vs piojasz 2562
Apr 3, 2026
1m B06 Modern
piojasz won by resignation
Loss
vs Gmwesley25 2581
Apr 3, 2026
1m A11 English Opening: Caro-Kann Defensive System
Gmwesley25 won on time
Win
vs Dimitris_Polymeropoulos 2492
Apr 3, 2026
1m B06 Modern
SerMarkPR won by checkmate
Win
vs Luke_Glanton77 2536
Apr 3, 2026
1m E60 Grünfeld Defense: Counterthrust Variation
SerMarkPR won by resignation