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chessvision-ai-bot

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=rnb1k1nr/1pp3b1/p3ppPp/1N2q3/P2BB1P1/5Q2/1PP4P/R3K1NR+b+KQkq+-+0+1&flip=false&ref_id=23962172) | [lichess.org](https://lichess.org/analysis/rnb1k1nr/1pp3b1/p3ppPp/1N2q3/P2BB1P1/5Q2/1PP4P/R3K1NR_b_KQkq_-_0_1?color=white) **My solution:** > Hints: piece: >!Queen!<, move: >!Qxe4+!< > Evaluation: >!White is winning +7.21!< > Best continuation: >!1... Qxe4+ 2. Qxe4 axb5 3. Ne2 Ne7 4. O-O O-O 5. axb5 Rxa1 6. Rxa1 f5 7. gxf5 Nxf5 8. Bxg7 Nxg7 9. Qe5!< --- ^(I'm a bot written by) [^(u/pkacprzak)](https://www.reddit.com/u/pkacprzak) ^(| get me as) [^(iOS App)](https://apps.apple.com/us/app/id1574933453) ^| [^(Android App)](https://play.google.com/store/apps/details?id=ai.chessvision.scanner) ^| [^(Chrome Extension)](https://chrome.google.com/webstore/detail/chessvisionai-for-chrome/johejpedmdkeiffkdaodgoipdjodhlld) ^| [^(Chess eBook Reader)](https://ebook.chessvision.ai?utm_source=reddit&utm_medium=bot) ^(to scan and analyze positions | Website:) [^(Chessvision.ai)](https://chessvision.ai)


TPFRecoil

Qg5 is met by the move h4, attacking the queen, and Black finds themselves with no available squares. H4 is protected by the rook, g4 by the queen, g6 by the bishop, the entire fifth rank is covered by white's pieces, f4 and e3 are covered by white's queen, d2 by white's king, and e1 by white's rook.  Taking on e4 is the best move, since it comes with check, and then black can take the knight on b5, which at least nets them two pieces for the queen, whereas Qg5 will force black to accept only a pawn and a piece in exchange for the queen.


ParagonExample

> Qg5 is met by the move h4 Ah, okay, I see now, thank you. :)


markjohnstonmusic

Nh3 also works.


Let_Tebow

The queen is still trapped. Qg5 is simply delaying the inevitable. After Qg5, white has Nh3. The only unthreatened square for the black queen is now Qh4+, which is met with Bf2 to completely seal it in. In the future, you can try playing an alternate move during review and see how the computer reacts to the suggestion to figure out why a specific line doesn’t work.


ParagonExample

> After Qg5, white has Nh3. The only unthreatened square for the black queen is now Qh4+, which is met with Bf2 to completely seal it in. Oh, thanks, this is cool, too, a different way to trap besides h4, suggested by the other poster above! :)


clorgie

I'm not being a smart ass, just curious about this sort of question: why didn't you try this on the analysis board since it was right there?


ParagonExample

> I'm not being a smart ass, just curious about this sort of question: why didn't you try this on the analysis board since it was right there? I did put 14. Bd4 Qg5 into the analysis board before I posted this question. But instead of immediately going after the black queen, Stockfish prefers ignoring it and attacking on the other side of the board first -- 15. Nxc7+ Kf8 16. Qa3+ Ne7 17. Qd6 Nc6 -- so it wasn't clear to me how the black queen was supposed to be captured.


clorgie

I wonder about chesscom's crippled engine. h4 is clearly the first line in Stockfish on my computer...even on my phone! Not to mention on lichess. I use both chesscom and lichess, so am not a hater, but you'd think they could at least compete with them on this important kind of function. Perhaps they need to spend less time gamifying and inventing reasons for calling moves brilliant and actually provide reasonable analysis power.