Chess on Tablet

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Lessons

Lesson No.005

ECO C62 Black wins Opening: Intermediate Short game, 24 moves Opening: Ruy Lopez

Black
hgfe dcba
8765 4321
1234 5678
abcd efgh
White
Highlight Battle Situation White: beige / Black: khaki / Both: red / None: blue

Explanation

Game Moves

Show best moves
# White Best Black Best
1 e4 e4 e5 c5
2 Nf3 Nf3 Nc6 d6
3 d4 Bb5 d6 exd4
4 Bb5 d5 Bd7 exd4
5 Bxc6 d5 Bxc6 Bxc6
6 Nbd2 Nc3 exd4 Ne7
7 Nxd4 Nxd4 Be7 Bd7
8 Nxc6 O-O bxc6 bxc6
9 f4 Nc4 Nh6 Nh6
10 g4 Nf3 Qd7 f6
11 Qe2 g5 Bh4+ Bh4+
12 Kd1 Kf1 Nxg4 Nxg4
13 c3 Rf1 Nf2+ Nf2+
14 Ke1 Kc2 Qh3 Nxh1+
15 Nf3 Nf3 Nxh1+ Nxh1+
16 Nxh4 Nxh4 Qxh4+ Qxh4+
17 Kd1 Kf1 O-O Nf2+
18 Qg2 Be3 Qg4+ Nf2+
19 Kc2 Qxg4 Qxg2+ Qxg2+
20 Kd3 Bd2 Nf2+ Nf2+
21 Ke3 Ke3 Nd1+ Rfe8
22 Kd3 Kd3 Rfe8 Rfe8
23 Kc4 e5 Rab8 Qe2+
24 b3 b4 Qxe4# Qxe4#

Detailed Analysis

Evaluation Chart

Evaluation: How good the position is, in pawns (1 pawn = 1.0). + (blue) means you are better, − (red) means your opponent is. Capped at ±10. Touch a point to see the actual value.
◆ Mate: A position with checkmate in sight (shown at ±10). Touch a point to see the moves to checkmate (M3: you mate in 3, -M3: your opponent mates in 3).

Skill Radar

Estimated from engine evaluations. It may not match your actual strength.

How Scores Work: For each move, the winning chance (calculated from the evaluation) before and after the move is compared; the less it drops, the higher the move's accuracy. Each item is the average accuracy of its moves (out of 100). Items with fewer than 3 moves show (-) (Tactics is scored from a single move).
Opening Moves 1 to 10
Tactics Moves right after the opponent dropped their winning chance by 10% or more (did you take the chance?)
Strategy Moves other than Opening, Endgame and Tactics
Endgame Moves once both sides together have 8 or fewer pieces other than kings and pawns
Consistency Share of all moves that did not drop the winning chance by 10% or more

* The win % and accuracy formulas are based on Lichess's calculations.

Win % and Accuracy

Win %: Your chance of winning (0–100), calculated from the evaluation after each move.
Accuracy: For each of your moves, a score (0–100) comparing your winning chance before and after the move. A move that keeps your winning chance scores 100.

Evaluation Chart

Evaluation: How good the position is, in pawns (1 pawn = 1.0). + (blue) means you are better, − (red) means your opponent is. Capped at ±10. Touch a point to see the actual value.
◆ Mate: A position with checkmate in sight (shown at ±10). Touch a point to see the moves to checkmate (M3: you mate in 3, -M3: your opponent mates in 3).

Skill Radar

Estimated from engine evaluations. It may not match your actual strength.

How Scores Work: For each move, the winning chance (calculated from the evaluation) before and after the move is compared; the less it drops, the higher the move's accuracy. Each item is the average accuracy of its moves (out of 100). Items with fewer than 3 moves show (-) (Tactics is scored from a single move).
Opening Moves 1 to 10
Tactics Moves right after the opponent dropped their winning chance by 10% or more (did you take the chance?)
Strategy Moves other than Opening, Endgame and Tactics
Endgame Moves once both sides together have 8 or fewer pieces other than kings and pawns
Consistency Share of all moves that did not drop the winning chance by 10% or more

* The win % and accuracy formulas are based on Lichess's calculations.

Win % and Accuracy

Win %: Your chance of winning (0–100), calculated from the evaluation after each move.
Accuracy: For each of your moves, a score (0–100) comparing your winning chance before and after the move. A move that keeps your winning chance scores 100.
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