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Analysis: OlynDeyb vs erivera90

Date: 2026.03.07 | Event: Live Chess | Site: Chess.com
Analyze on Lichess

Evaluation

-8 -4 +0 +4 +8 1 5 10 15 20 Ra4 (+6.4) Blunder
Your moves Opponent moves

Found 1 crucial moment.

Moment 1 — Blunder MAJOR ↗

Hanging Piece 
r . . q . r k .
. . . . n . b p
. . n . . . p .
. N . p . p . .
. P . P . . . .
. . . . B B P .
. . . . . P . P
. . R Q R . K .
FEN: r2q1rk1/4n1bp/2n3p1/1N1p1p2/1P1P4/4BBP1/5P1P/2RQR1K1 b - - 0 19
You Played: Ra4
Engine Best: Rb8
Eval Swing: -361 cp
Variation: Rb8 Rc5 Qd7 Bf4
CRITICAL: Your move allowed the opponent to immediately capture your Black Rook on a4.
Refutation: Qxa4 f4 Bxf4 Kh8

Coach Explanation

BLUNDER: You hung your Rook. The opponent can simply take it with Qxa4. This leads to a completely lost position.

Rb8 is superior because it develops the rook to an open file.

Recurring Patterns


This game's blunder, hanging a Rook, aligns with the recurring "Hanging Piece" pattern identified across previous analyses, although it is less frequent than "Hanging Pawn" situations. "Hanging Pawn" situations are still the most common missed opportunity by a large margin. The player continues to struggle with identifying and capitalizing on advantageous tactical or positional situations, despite a low blunder rate in the most recent game.

Annotated PGN

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[Event "Live Chess"] [Site "Chess.com"] [Date "2026.03.07"] [White "OlynDeyb"] [Black "erivera90"] [Result "0-1"] 1. Nf3 {+0.16} c5 {+0.35} 2. g3 {+0.17} Nc6 {+0.24} 3. c3 {-0.34} g6 {+0.25} 4. Bg2 {-0.02} Bg7 {+0.21} 5. O-O {+0.00} e6 {+0.32} 6. d4 {+0.29} cxd4 {+0.29} 7. cxd4 {+0.26} d5 {+0.21} 8. e3 {+0.10} Nge7 {+0.17} 9. a3 {-0.04} O-O {+0.08} 10. Re1 {+0.00} e5 {+0.38} 11. b3 {-1.34} exd4 {-0.33} 12. exd4 {-1.26} Bg4 {-1.05} 13. Be3 {-1.68} Bxf3 {-0.62} 14. Bxf3 {-0.71} f5 {+0.79} 15. Nc3 {+1.67} a6 {+1.85} 16. b4 {+1.78} b5 {+2.06} 17. Rc1 {+1.89} a5 {+2.50} 18. Nxb5 {+2.59} axb4 {+2.67} 19. axb4 {+2.91} Ra4 $4 {+6.36 Hanging Piece · Qxa4} 20. Qxa4 {+6.56} f4 {+6.76} 0-1