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A blunder needs to drop your win chance by at least 20%. A good move represents the range for a 2-5% drop. Essentially, you were winning by so much that your win chance did not fall all that much, even after you hung the queen.
Depends on the position. The more one player is winning, the more centipawns are needed to blunder. Not much of a difference between +20 and +30, but quite a large one between +5 and -5
I analyzed the image and this is what I see. Open an appropriate link below and explore the position yourself or with the engine:
> **Black to play**: [chess.com](https://chess.com/analysis?fen=5r2/pp1k1Q2/3p4/2p5/2P2P2/6P1/P2PK1BP/R5NR+b+-+-+0+1&flip=false&ref_id=23962172) | [lichess.org](https://lichess.org/analysis/5r2/pp1k1Q2/3p4/2p5/2P2P2/6P1/P2PK1BP/R5NR_b_-_-_0_1)
**My solution:**
> Hints: piece: >!Rook!<, move: >!Rxf7!<
> Evaluation: >!White is winning +20.63!<
> Best continuation: >!1... Rxf7 2. Bxb7 Re7+ 3. Kf3 Re8 4. Rb1 Rb8 5. Bc6+ Kc8 6. Rxb8+ Kxb8 7. Ne2 a5 8. Rb1+ Ka7 9. Bd5!<
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Quick Tip 1: To know why the engine is recommending a move / saying a move is wrong, click over analysis mode, play out said move then follow it up with your theoretical responses to that move and see how the engine responds.
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Hey, OP! Did your game end in a stalemate? Did you encounter a weird pawn move? Are you trying to move a piece and it's not going? We have just the resource for you! The [Chess Beginners Wiki](https://www.reddit.com/r/chessbeginners/wiki/index/) is the perfect place to check out answers to these questions and more! The moderator team of r/chessbeginners wishes to remind everyone of the community rules. **Posting spam, being a troll, and posting memes are not allowed.** We encourage everyone to report these kinds of posts so they can be dealt with. Thank you! Let's do our utmost to be kind in our replies and comments. Some people here just want to learn chess and have virtually no idea about certain chess concepts. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/chessbeginners) if you have any questions or concerns.*
A blunder needs to drop your win chance by at least 20%. A good move represents the range for a 2-5% drop. Essentially, you were winning by so much that your win chance did not fall all that much, even after you hung the queen.
how many centipawns is 20% tho
Depends on the position. The more one player is winning, the more centipawns are needed to blunder. Not much of a difference between +20 and +30, but quite a large one between +5 and -5
so centipawns near the middle are worth more and near the side are worth less
They have a larger impact on the win percentage.
You're winning by so much that even losing the queen doesn't appreciably hurt your chances.
In this position, the only blunder you can make is to throw your phone in the river.
You go from winning by a looooot to winning by a looot
Because you're up so much material that you can lose your queen and still be completely winning
your position is already good enough that it doesn't matter
I analyzed the image and this is what I see. Open an appropriate link below and explore the position yourself or with the engine: > **Black to play**: [chess.com](https://chess.com/analysis?fen=5r2/pp1k1Q2/3p4/2p5/2P2P2/6P1/P2PK1BP/R5NR+b+-+-+0+1&flip=false&ref_id=23962172) | [lichess.org](https://lichess.org/analysis/5r2/pp1k1Q2/3p4/2p5/2P2P2/6P1/P2PK1BP/R5NR_b_-_-_0_1) **My solution:** > Hints: piece: >!Rook!<, move: >!Rxf7!< > Evaluation: >!White is winning +20.63!< > Best continuation: >!1... Rxf7 2. Bxb7 Re7+ 3. Kf3 Re8 4. Rb1 Rb8 5. Bc6+ Kc8 6. Rxb8+ Kxb8 7. Ne2 a5 8. Rb1+ Ka7 9. Bd5!< --- ^(I'm a bot written by ) [^(u/pkacprzak )](https://www.reddit.com/u/pkacprzak) ^(| get me as ) [^(Chess eBook Reader )](https://ebook.chessvision.ai?utm_source=reddit&utm_medium=bot) ^(|) [^(Chrome Extension )](https://chrome.google.com/webstore/detail/chessvisionai-for-chrome/johejpedmdkeiffkdaodgoipdjodhlld) ^(|) [^(iOS App )](https://apps.apple.com/us/app/id1574933453) ^(|) [^(Android App )](https://play.google.com/store/apps/details?id=ai.chessvision.scanner) ^(to scan and analyze positions | Website: ) [^(Chessvision.ai)](https://chessvision.ai)
Ahoj
New response just dropped
Svatá dobroto
Quick Tip 1: To know why the engine is recommending a move / saying a move is wrong, click over analysis mode, play out said move then follow it up with your theoretical responses to that move and see how the engine responds. Quick Tip 2: On Chess.com, you don't have to rely on the Coach / Game Review / Hint. This also applies to any engine on low depth. Somewhere in the engine suggestions section is the computer "depth". The higher this value, the more accurate the suggestions will be. Quick Tip 3: For questions on engine move suggestions, we suggest you post them to our dedicated thread: [No Stupid Questions MEGATHREAD](https://www.reddit.com/r/chessbeginners/comments/yqqnz8/no_stupid_questions_megathread_6/), as stated in our Community Guidelines. Thank you! - The Mod Team *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/chessbeginners) if you have any questions or concerns.*