r2q1Nnr/1ppb1k2/2n1p3/3p1pp1/pbP1P1Qp/P1NPB2P/1P3PP1/R3KB1R b KQ - 0 13
FEN state: r2q1Nnr/1ppb1k2/2n1p3/3p1pp1/pbP1P1Qp/P1NPB2P/1P3PP1/R3KB1R b KQ - 0 13 ; Best move: b4c3
The current state of the chess board is: Black rook at a8, black queen at d8, white knight at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black bishop at d7 and black king at f7. Black knight at c6 and black pawn at e6. Black pawn at d5, black pawn at f5 and black pawn at g5. Black pawn at a4, black bishop at b4, white pawn at c4, white pawn at e4, white queen at g4 and black pawn at h4. White pawn at a3, white knight at c3, white pawn at d3, white bishop at e3 and white pawn at h3. White pawn at b2, white pawn at f2 and white pawn at g2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 13. Black to move.