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Analysis: 3ms28 vs erivera90

Date: 2026.03.26 | Event: Live Chess | Site: Chess.com
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Evaluation

-8 -4 +0 +4 +8 1 5 10 15 20 25 Qf7 (-2.4) Missed Rf3 (+1.2) Missed Rf7 (-4.1) Missed
Your moves Opponent moves

Found 3 crucial moments (0 blunders, 3 missed opportunitys).

Moment 1 — Missed Opportunity MINOR ↗

Missed Fork 
r . . . . r k .
. p . b . . q p
p . . R p . p .
. . p . n . Q .
. . . . P . . .
. B P . . . . .
P P . . . P P P
R . . . . . K .
FEN: r4rk1/1p1b2qp/p2Rp1p1/2p1n1Q1/4P3/1BP5/PP3PPP/R5K1 b - - 8 21
You Played: Qf7
You Could Have Played: Nf7
Eval Swing: -208 cp
Variation: Nf7 Qxc5 Nxd6 Qxd6
You could have played: Nf7 Qxc5 Nxd6 Qxd6

Coach Explanation

You had a chance to play Nf7, forking the queen and rook! If Qxc5, then Nxd6 wins material, followed by Qxd6. This line gives you a decisive advantage.

Moment 2 — Missed Mate CRITICAL ↗

Missed Back-Rank Mate 
r . . . . r k .
. p . b . . . p
p . . R p . p .
. . p . n . Q .
. . . . P . . .
. B P . . . . .
P P . . . q P P
. . . R . . . K
FEN: r4rk1/1p1b3p/p2Rp1p1/2p1n1Q1/4P3/1BP5/PP3qPP/3R3K b - - 1 23
You Played: Rf3
You Could Have Played: Qf1+
Eval Swing: -10122 cp
Variation: Qf1+ Rxf1 Rxf1#
You could have played: Qf1+ Rxf1 Rxf1#

Coach Explanation

You had a chance to unleash a devastating back-rank mate with Qf1+! This forces Rxf1. Then, Rxf1# delivers checkmate. Although Rf3 led to a win, Qf1+ presented an immediate victory and avoids any complications.

Moment 3 — Missed Mate CRITICAL ↗

Missed Back-Rank Mate 
r . . . . . k .
. p . b Q . . p
p . . R p . p .
. . p . n . . .
. . . . P . . .
. B P . . r . .
P P . . . q P P
. . . R . . . K
FEN: r5k1/1p1bQ2p/p2Rp1p1/2p1n3/4P3/1BP2r2/PP3qPP/3R3K b - - 3 24
You Played: Rf7
You Could Have Played: Qf1+
Eval Swing: -9592 cp
Variation: Qf1+ Rxf1 Rxf1#
You could have played: Qf1+ Rxf1 Rxf1#

Coach Explanation

You had a chance to deliver a decisive blow. Qf1+ immediately wins because it forces Rxf1. Then, Rxf1# delivers checkmate. This brilliant back-rank mate wins the game.

Recurring Patterns


The most prominent blunder types observed in erivera90's games revolve around missed tactical opportunities, particularly forks and forced mate sequences. This game strongly reinforces that trend with three instances of missed forced mate opportunities. While erivera90 recognizes positional advantages that lead to wins, they appear to struggle to identify immediate tactical wins involving combinations, despite previous patterns involving 'pin' tactics. This game emphasizes the difficulty in spotting forced mate sequences in particular.

Annotated PGN

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[Event "Live Chess"] [Site "Chess.com"] [Date "2026.03.26"] [White "3ms28"] [Black "erivera90"] [Result "0-1"] 1. e4 {+0.34} c5 {+0.43} 2. Nf3 {+0.49} Nc6 {+0.57} 3. Bc4 {+0.08} g6 {+0.36} 4. Ng5 {-0.66} e6 {-0.65} 5. d3 {-0.72} Bg7 {-0.79} 6. Nxf7 {-3.36} Kxf7 {-2.97} 7. O-O {-3.22} Nf6 {-2.83} 8. Re1 {-3.70} Re8 {-2.55} 9. c3 {-3.51} d5 {-3.12} 10. exd5 {-4.23} Nxd5 {-3.00} 11. Nd2 {-2.48} a6 {-1.37} 12. Qf3+ {-2.25} Kg8 {-2.86} 13. Qh3 {-3.11} Nf6 {-2.58} 14. Ne4 {-3.13} Nxe4 {-3.21} 15. dxe4 {-3.15} Qf6 {-2.88} 16. Bh6 {-3.70} Bxh6 {-3.58} 17. Qxh6 {-3.49} Qg7 {-2.96} 18. Qg5 {-2.99} Rf8 {-2.79} 19. Red1 {-3.04} Bd7 {-2.61} 20. Rd6 {-2.56} Ne5 {-2.58} 21. Bb3 {-4.26} Qf7 $6 {-2.36 Missed Fork · best: Nf7} 22. Rad1 {#-3} Qxf2+ {#-2} 23. Kh1 {#-2} Rf3 $4 {+1.22 Missed Mate in ? · best: Qf1+} 24. Qe7 {#-2} Rf7 $4 {-4.08 Missed Mate in ? · best: Qf1+} 25. Qg5 {#-2} Qf1+ {#-1} 26. Rxf1 {#-1} Rxf1# {#-0} 0-1