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Analysis: 1mB4d4tPlayingCh3ss vs erivera90

Date: 2026.03.06 | Event: Live Chess | Site: Chess.com

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Evaluation

Your moves Opponent moves

Found 5 crucial moments.

Moment 1 — Blunder MAJOR ↗

FEN: rnbqkbnr/pp2pppp/2p5/3pN3/4P3/8/PPPP1PPP/RNBQKB1R b KQkq - 1 3

You Played: f6
Engine Best: dxe4
Eval Swing: -359 cp
Variation: dxe4 Nc3 Qd4 Nc4

Refutation: Qh5+ g6 Nxg6 hxg6

Coach Explanation

f6 allows Qh5+, followed by g6 and Nxg6 winning material after hxg6. dxe4 is better, leading to dxe4 Nc3 Qd4 Nc4, developing with tempo and challenging white's center.

Moment 2 — Blunder MINOR ↗

Hanging Pawn

FEN: rn1qkbnQ/pp2p3/2p2pp1/3b4/8/3B4/PPPP1PPP/RNB1K2R b KQq - 1 8

You Played: b5
Engine Best: f5
Eval Swing: -207 cp
Variation: f5 Nc3

CRITICAL: Your move allowed the opponent to immediately capture your Black Pawn on g6.

Refutation: Bxg6+ Kd7 Nc3 Bh6

Coach Explanation

BLUNDER: You hung your Pawn on g6. The opponent can simply take it with Bxg6+.

b5 is a mistake because it weakens the pawn structure and allows Qxg6+. The engine suggests f5 instead.

Moment 3 — Blunder CRITICAL ↗

Forced Mate

FEN: rn3b2/p7/2Q2p1q/3p4/k2P2P1/B1PB4/P4P1P/3K3R b - - 0 25

You Played: Kxa3
Engine Best: Nxc6
Eval Swing: -10643 cp
Variation: Nxc6 Bxf8 Rxf8 Re1

CRITICAL: Your move allowed the opponent to immediately capture your Black Pawn on d5.

Refutation: Qxd5 Qd2+ Kxd2 Bh6+

Coach Explanation

BLUNDER: You hung your King. The opponent can simply take it with Qxd5. After Qxd5, Qd2+ forces Kxd2, and then Bh6+ leads to forced mate in 5. Nxc6 is superior because after Nxc6, Bxf8 Rxf8 Re1, the position remains complicated, rather than a forced mate for white.

Moment 4 — Blunder CRITICAL ↗

Forced Mate

FEN: 5b2/p7/5p1q/1Q1p4/3kR1P1/3B4/P4P1P/3K4 b - - 5 31

You Played: Kc3
Engine Best: dxe4
Eval Swing: -9515 cp
Variation: dxe4 Qc4+ Ke5 Qxe4+

Refutation: Qb3#

Coach Explanation

Kc3 is a blunder because Qb3# is immediate checkmate. dxe4 is superior because after dxe4 Qc4+ Ke5 Qxe4+ Black is still in the game.

Moment 5 — Blunder CRITICAL ↗

Forced Mate

FEN: 5b2/p7/5p1q/3p4/2Q1R1P1/2kB4/P4P1P/3K4 b - - 7 32

You Played: Kb2
Engine Best: dxc4
Eval Swing: -10601 cp
Variation: dxc4 Rxc4+ Kxd3 Rd4+

Refutation: Qb3+ Ka1 Qb1#

Coach Explanation

Kb2 is a blunder because it allows immediate checkmate via Qb3+ Ka1 Qb1#. dxc4 is superior because it initiates the line dxc4 Rxc4+ Kxd3 Rd4+, avoiding immediate checkmate.

Recurring Patterns

This game strongly reinforces the established trend of unforced errors, specifically blunders. The most prominent recurring mistake continues to be overlooking tactical vulnerabilities, directly leading to lost material or checkmate. The specific errors of hanging the g6 pawn and then the King highlight an ongoing susceptibility to simple piece captures and direct attacks on the King. This game unfortunately continues the pattern of neglecting Hanging Piece tactics, which have been observed in previous analyses.

Annotated PGN

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        [Event "Live Chess"]
[Site "Chess.com"]
[Date "2026.03.06"]
[White "1mB4d4tPlayingCh3ss"]
[Black "erivera90"]
[Result "1-0"]

1. e4 {+0.36} c6 {+0.44} 2. Nf3 {+0.28} d5 {+0.29} 3. Ne5 {-0.74} f6 $4 {+2.83
Pin · Qh5+} 4. Qh5+ {+3.00} g6 {+2.87} 5. Nxg6 {+3.11} hxg6 {+3.10} 6. Qxh8
{+3.14} Be6 {+2.96} 7. exd5 {+3.02} Bxd5 {+3.33} 8. Bd3 {+2.97} b5 $4 {+5.22
Hanging Pawn · Bxg6+} 9. Bxg6+ {+5.56} Kd7 {+5.67} 10. Bf5+ {+4.07} Kd6 {+5.09}
11. Nc3 {+5.32} e6 {+5.64} 12. Nxd5 {+5.42} exd5 {+7.61} 13. Qxg8 {+8.06} Qe8+
{+7.83} 14. Kd1 {+7.93} Qh5+ {+8.93} 15. g4 {+8.72} Qh6 {+12.03} 16. Qe6+
{+12.32} Kc5 {+12.80} 17. b4+ {+9.00} Kxb4 {+10.66} 18. Rb1+ {+7.30} Kc5
{+12.62} 19. Ba3+ {+7.39} Kd4 {#2} 20. c3+ {#1} Kc4 {#1} 21. Rb4+ {+18.37} Kc5
{#8} 22. d4+ {+9.25} Kb6 {+9.43} 23. Rxb5+ {+5.67} Kxb5 {+5.70} 24. Bd3+ {+5.14}
Ka4 {+5.79} 25. Qxc6+ {-5.74} Kxa3 $4 {#5 Forced Mate · Qxd5} 26. Qxa8 {+8.35}
Kb2 {+9.79} 27. Qxb8+ {#22} Kxc3 {#15} 28. Qb3+ {#13} Kxd4 {#13} 29. Re1 {+7.47}
Kc5 {#6} 30. Qb5+ {+8.57} Kd4 {+8.66} 31. Re4+ {+4.36} Kc3 $4 {#1 Forced Mate ·
Qb3#} 32. Qc4+ {-6.04} Kb2 $4 {#2 Forced Mate · Qb3+} 33. Qb3+ {#1} Ka1 {#1} 34.
Qc3+ {#2} Kxa2 {#2} 35. Ra4+ {#1} Ba3 {#1} 36. Rxa3# {#-0} 1-0
    