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Miegrat Sammri

Chess puzzle from one of my matches: I (white) blundered Bg2. What would you play in this position? (Hint: Black to play, Mate in 4)
magicolli - 02.08.2026 13:12:26
Black Knight to c2 followed by Black Knight to a3 and Black Queen to b1 or c2 (depending on White King's position) looks pretty much game over for White.
KilikPC - 02.08.2026 19:49:40
Problem is, Black N to a3 leads to White K back to a1 to prevent mate. Black Q to b1 is protected by White's R, and c2 is defensible.
KilikPC - 02.08.2026 19:52:45
After N to c2, I would go Q to e3 and take for material advantage. I see lines that lead to mate, I but I do not see a forced one yet.
seasnail - 02.09.2026 00:51:20
I think after Nc2+ Kb1 Na3+ Ka1 it's Qb1+ Rxb1 Nc2++. Was trying to find a way for the Queen sacrifice to work for a while before realising it could be combined with the Knight check at the beginning to prevent the King taking.
seasnail - 02.09.2026 00:59:26
Just realised that's probably what magicolli meant by pretty much game over and I misunderstood thinking they'd missed the Rook. Nice problem, thanks for posting it.
KilikPC - 02.09.2026 01:34:54
Ohh, I see what you guys mean now. Yes, that’s right.
KilikPC - 02.09.2026 01:39:29
The rook traps the king, leading to mate. I didn’t realize at first.
GrimScythe2001 - 02.16.2026 08:48:50
magicolli is correct. SOLUTION: 1. ... Kc2+ 2. Kb1 Ka3+ 3. Ka1 Qb1+ 4. Rxb1 Kc2# <<<>>> bKnight c2 check, wKing b1, bKnight a3 check, wKing a1, bQueen b1 check, wRook captures bQueen, bKnight c2 checkmate.