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Analysis: erivera90 vs Anas_marwan123

Date: 2026.03.13 | Event: Live Chess | Site: Chess.com
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Evaluation

-8 -4 +0 +4 +8 1 5 10 15 20 25 Rb1 (-4.0) Blunder h4 (-6.4) Blunder Ne6 (-100.0) Blunder
Your moves Opponent moves

Found 3 crucial moments.

Moment 1 — Blunder CRITICAL

Hanging Piece
r . . . . r k .
p p p . . p p p
. . n b . . . .
. . . . . b q .
. . . P . N . .
. . P . P . P .
P . . . . . B P
R . B Q . R K .
FEN: r4rk1/ppp2ppp/2nb4/5bq1/3P1N2/2P1P1P1/P5BP/R1BQ1RK1 w - - 1 14
You Played: Rb1
Engine Best: e4
Eval Swing: -611 cp
Variation: e4 Bg4 Qd3 Rae8
CRITICAL: Your move allowed the opponent to immediately capture your White Rook on b1.
Refutation: Bxb1 Qb3 Qf5 Ba3

Coach Explanation

BLUNDER: You hung your Rook. The opponent can simply take it with Bxb1.

e4 is superior because it develops a piece and opens lines. The best line after e4 is e4 Bg4 Qd3 Rae8.

Moment 2 — Blunder MINOR

Pin
r . . . . r k .
p p p . . p p p
. . n b . . . .
. . . . . . q .
. . . P . N . .
. . P . P . P .
P . . . . . B P
. b B Q . R K .
FEN: r4rk1/ppp2ppp/2nb4/6q1/3P1N2/2P1P1P1/P5BP/1bBQ1RK1 w - - 0 15
You Played: h4
Engine Best: Qb3
Eval Swing: -223 cp
Variation: Qb3 Qf5 Nd5 Qc2
CRITICAL: Your move allowed the opponent to immediately capture your White Pawn on g3.
Refutation: Qxg3 Rf3 Qg4 Qe1

Coach Explanation

BLUNDER: You hung your Pawn. The opponent can simply take it with Qxg3. This leads to Rf3, Qg4, and then Qe1. Qb3 is superior because it attacks the Black Queen, and the best line is Qb3 Qf5 Nd5 Qc2.

Moment 3 — Blunder CRITICAL

Back-Rank Mate
r . . . . r k .
p p p . . . p p
. . n b . . . .
. . . . . p . .
. . . P . N . q
. . P . P . . .
P . . . . . B .
. b B Q . R K .
FEN: r4rk1/ppp3pp/2nb4/5p2/3P1N1q/2P1P3/P5B1/1bBQ1RK1 w - - 0 18
You Played: Ne6
Engine Best: Qb3+
Eval Swing: -9586 cp
Variation: Qb3+ Kh8 Qxb1 Rab8
Refutation: Bh2+ Kh1 Bg3+ Bh3

Coach Explanation

Ne6 is a blunder because it allows a forced mate. After Bh2+ Kh1 Bg3+ Bh3 the opponent wins. Qb3+ is superior because it forces the sequence Qb3+ Kh8 Qxb1 Rab8, which is significantly better than the forced mate.

Recurring Patterns


This game reinforces the trend of blundering pieces, as evidenced by the two instances of hanging pieces (Rook and Pawn). The previous analyses highlighted 'hanging_pawn' as the most frequent tactical error, occurring 207 times across all games, and this game adds another instance of this type of blunder. The missed forced mate also suggests a continued difficulty in recognizing immediate tactical threats. This aligns with previous instances of missed 'forced_mate' tactics, which occurred 7 times in the prior games.

Annotated PGN

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[Event "Live Chess"] [Site "Chess.com"] [Date "2026.03.13"] [White "erivera90"] [Black "Anas_marwan123"] [Result "0-1"] 1. c4 {+0.06} e5 {+0.09} 2. Nc3 {+0.05} Nf6 {+0.12} 3. g3 {+0.06} d5 {+0.16} 4. cxd5 {+0.12} Nxd5 {+0.14} 5. Bg2 {+0.18} Nxc3 {+0.42} 6. bxc3 {+0.32} Bc5 {+0.25} 7. e3 {+0.26} Nc6 {+0.36} 8. Ne2 {-0.51} Bg4 {+0.58} 9. O-O {-0.60} O-O {+0.60} 10. f3 {-0.35} Bf5 {-0.14} 11. f4 {-0.87} exf4 {+1.16} 12. Nxf4 {+0.46} Qg5 {+1.64} 13. d4 {+1.47} Bd6 {+2.05} 14. Rb1 $4 {-3.96 Hanging Piece · Bxb1} Bxb1 {-4.12} 15. h4 $4 {-6.40 Pin · Qxg3} Qxg3 {-6.52} 16. Nh5 {-9.20} Qxh4 {-7.09} 17. Nf4 {-6.78} f5 {-4.34} 18. Ne6 $4 {#-4 Back-Rank Mate · Bh2+} Rfe8 {-6.92} 19. Nc5 {#-4} Rf8 {-6.70} 20. Ne6 {#-4} Rfe8 {-6.76} 21. Nc5 {#-4} b6 {-6.82} 22. Nd7 {#-4} Rad8 {-8.29} 23. Rxf5 {-12.49} Rxd7 {-6.71} 24. Rg5 {#-11} Rf8 {-11.76} 25. Rh5 {-12.78} Qg3 {-16.26} 26. Rxh7 {#-4} Kxh7 {#-5} 27. Qh5+ {#-5} Kg8 {#-4} 28. Qd5+ {#-3} Rdf7 {#-2} 29. Qc4 {#-1} Qh2# {#-0} 0-1