rnbq2n1/p1pk2pr/1p6/3pppBp/Pb1P4/R3PN1P/1PPN1PP1/Q3KB1R w K - 4 13
FEN state: rnbq2n1/p1pk2pr/1p6/3pppBp/Pb1P4/R3PN1P/1PPN1PP1/Q3KB1R w K - 4 13 ; Best move: f3e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black knight at g8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at g7 and black rook at h7. Black pawn at b6. Black pawn at d5, black pawn at e5, black pawn at f5, white bishop at g5 and black pawn at h5. White pawn at a4, black bishop at b4 and white pawn at d4. White rook at a3, white pawn at e3, white knight at f3 and white pawn at h3. White pawn at b2, white pawn at c2, white knight at d2, white pawn at f2 and white pawn at g2. White queen at a1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 13. White to move.