rn1qk2b/pppb3r/1Q2pn2/6N1/1P6/P1P2ppB/R2Pp2P/1NB3KR b q - 3 18
FEN state: rn1qk2b/pppb3r/1Q2pn2/6N1/1P6/P1P2ppB/R2Pp2P/1NB3KR b q - 3 18 ; Best move: e2e1q
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black bishop at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black bishop at d7 and black rook at h7. White queen at b6, black pawn at e6 and black knight at f6. White knight at g5. White pawn at b4. White pawn at a3, white pawn at c3, black pawn at f3, black pawn at g3 and white bishop at h3. White rook at a2, white pawn at d2, black pawn at e2 and white pawn at h2. White knight at b1, white bishop at c1, white king at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 3. Full move number is 18. Black to move.