rnbrn3/p1pp1kb1/1p2p1p1/5pPp/1P1P3q/NR5B/P1PBPP1P/3QK1NR w K - 6 13
FEN state: rnbrn3/p1pp1kb1/1p2p1p1/5pPp/1P1P3q/NR5B/P1PBPP1P/3QK1NR w K - 6 13 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black rook at d8 and black knight at e8. Black pawn at a7, black pawn at c7, black pawn at d7, black king at f7 and black bishop at g7. Black pawn at b6, black pawn at e6 and black pawn at g6. Black pawn at f5, white pawn at g5 and black pawn at h5. White pawn at b4, white pawn at d4 and black queen at h4. White knight at a3, white rook at b3 and white bishop at h3. White pawn at a2, white pawn at c2, white bishop at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 6. Full move number is 13. White to move.