2b1k1nr/1p1p3Q/2r1pp2/2p3pp/pPP2q2/P3PPP1/RB1P1K1R/5BN1 b k - 4 21
FEN state: 2b1k1nr/1p1p3Q/2r1pp2/2p3pp/pPP2q2/P3PPP1/RB1P1K1R/5BN1 b k - 4 21 ; Best move: f4g3
The current state of the chess board is: Black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7 and white queen at h7. Black rook at c6, black pawn at e6 and black pawn at f6. Black pawn at c5, black pawn at g5 and black pawn at h5. Black pawn at a4, white pawn at b4, white pawn at c4 and black queen at f4. White pawn at a3, white pawn at e3, white pawn at f3 and white pawn at g3. White rook at a2, white bishop at b2, white pawn at d2, white king at f2 and white rook at h2. White bishop at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 4. Full move number is 21. Black to move.