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Analysis: Markus_40in vs erivera90

Date: 2026.03.23 | Event: Live Chess | Site: Chess.com
Analyze on Lichess

Evaluation

-8 -4 +0 +4 +8 1 5 10 15 20 25 30 Qe8 (+2.4) Blunder Qf7 (+3.0) Blunder cxb5 (+6.0) Blunder
Your moves Opponent moves

Found 3 crucial moments.

Moment 1 — Blunder MAJOR

Hanging Pawn
r n b q . r k .
p p p . p . b p
. . . p N p p .
. . . P . . . .
. . . . N . . .
. P . . . . . .
P . P . P P P P
. R . Q K B . R
FEN: rnbq1rk1/ppp1p1bp/3pNpp1/3P4/4N3/1P6/P1P1PPPP/1R1QKB1R b K - 1 10
You Played: Qe8
Engine Best: Bxe6
Eval Swing: -441 cp
Variation: Bxe6 dxe6
CRITICAL: Your move allowed the opponent to immediately capture your Black Pawn on c7.
Refutation: Nxc7 Qd8 Nxa8 f5

Coach Explanation

Analysis unavailable due to LLM error.

Moment 2 — Blunder MAJOR

Positional
r n b . . q k .
p p . . p . b p
. . p p N . p .
. . . P . p . .
. . . . . . . .
. P . . P . . .
P . P . . P P P
. R . Q K B . R
FEN: rnb2qk1/pp2p1bp/2ppN1p1/3P1p2/8/1P2P3/P1P2PPP/1R1QKB1R b K - 1 14
You Played: Qf7
Engine Best: Bc3+
Eval Swing: -362 cp
Variation: Bc3+ Ke2 Bxe6 dxe6
CRITICAL: Your move allowed the opponent to immediately capture your Black Bishop on g7.
Refutation: Nxg7 Qxg7 dxc6 bxc6

Coach Explanation

Analysis unavailable due to LLM error.

Moment 3 — Blunder MAJOR

Fork
r . . . . . k .
p . . . p . q p
n . p p . . p .
. P . . . p . .
. . . . . . . .
. . . . P . . .
P . P . . P P P
. R . Q K . . R
FEN: r5k1/p3p1qp/n1pp2p1/1P3p2/8/4P3/P1P2PPP/1R1QK2R b K - 0 19
You Played: cxb5
Engine Best: Qc3+
Eval Swing: -331 cp
Variation: Qc3+ Qd2 Qxd2+ Kxd2
Refutation: Qd5+ Qf7 Qxa8+ Kg7

Coach Explanation

Analysis unavailable due to LLM error.

Summary unavailable due to LLM error.

Annotated PGN

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[Event "Live Chess"] [Site "Chess.com"] [Date "2026.03.23"] [White "Markus_40in"] [Black "erivera90"] [Result "1-0"] 1. d4 {+0.11} Nf6 {+0.33} 2. Nf3 {+0.23} g6 {+0.33} 3. Nc3 {+0.03} d6 {+0.69} 4. b3 {+0.06} Bg7 {+0.07} 5. Bb2 {+0.01} O-O {+0.07} 6. d5 {-1.39} Ne4 {-0.54} 7. Nxe4 {-1.51} Bxb2 {-1.53} 8. Rb1 {-1.58} Bg7 {-1.75} 9. Nfg5 {-2.60} f6 {-1.88} 10. Ne6 {-1.85} Qe8 $4 {+2.41 Hanging Pawn · Nxc7} 11. Nxf8 {+1.47} Qxf8 {+1.40} 12. e3 {+1.55} f5 {+1.49} 13. Ng5 {+0.56} c6 {+1.67} 14. Ne6 {-0.39} Qf7 $4 {+2.97 Positional · Nxg7} 15. Nxg7 {+2.97} Qxg7 {+2.73} 16. dxc6 {+2.71} bxc6 {+2.74} 17. b4 {+2.24} Ba6 {+3.31} 18. Bxa6 {+3.64} Nxa6 {+3.36} 19. b5 {+2.71} cxb5 $4 {+6.03 Fork · Qd5+} 20. Qd5+ {+6.15} Qf7 {+6.15} 21. Qxa8+ {+6.14} Kg7 {+6.25} 22. Qxa7 {+6.08} Nc5 {+6.17} 23. Rxb5 {+6.36} Qc4 {+6.98} 24. Qxe7+ {+7.20} Kh6 {+7.11} 25. Rb6 {+6.97} Nd3+ {+11.16} 26. cxd3 {+11.80} Qc1+ {+14.46} 27. Ke2 {#13} Qxh1 {#3} 28. Rxd6 {#7} Qxg2 {#3} 29. Qh4+ {#2} Kg7 {#2} 30. Rd7+ {#1} Kf8 {#1} 31. Qd8# {#-0} 1-0