r3kb1r/qb2pn1p/ppn2pp1/2pp4/1PP1P3/N4N1Q/P2P1PPP/R1BBK2R b KQkq - 2 13
FEN state: r3kb1r/qb2pn1p/ppn2pp1/2pp4/1PP1P3/N4N1Q/P2P1PPP/R1BBK2R b KQkq - 2 13 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black queen at a7, black bishop at b7, black pawn at e7, black knight at f7 and black pawn at h7. Black pawn at a6, black pawn at b6, black knight at c6, black pawn at f6 and black pawn at g6. Black pawn at c5 and black pawn at d5. White pawn at b4, white pawn at c4 and white pawn at e4. White knight at a3, white knight at f3 and white queen at h3. White pawn at a2, white pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white bishop at d1, white king at e1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 13. Black to move.