r1b1k2r/1ppp1p1p/1pn4q/4B1pP/4n3/NP2b1P1/P1PPPP2/R2QKB1R b KQkq - 5 13
FEN state: r1b1k2r/1ppp1p1p/1pn4q/4B1pP/4n3/NP2b1P1/P1PPPP2/R2QKB1R b KQkq - 5 13 ; Best move: e3f2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b6, black knight at c6 and black queen at h6. White bishop at e5, black pawn at g5 and white pawn at h5. Black knight at e4. White knight at a3, white pawn at b3, black bishop at e3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at f2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 5. Full move number is 13. Black to move.