rn3knr/2q2p1p/p6b/1pppp1p1/P1NP4/2P4P/1P2PPB1/R2QK1NR w KQ - 0 13
FEN state: rn3knr/2q2p1p/p6b/1pppp1p1/P1NP4/2P4P/1P2PPB1/R2QK1NR w KQ - 0 13 ; Best move: a4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at f8, black knight at g8 and black rook at h8. Black queen at c7, black pawn at f7 and black pawn at h7. Black pawn at a6 and black bishop at h6. Black pawn at b5, black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at g5. White pawn at a4, white knight at c4 and white pawn at d4. White pawn at c3 and white pawn at h3. White pawn at b2, white pawn at e2, white pawn at f2 and white bishop at g2. White rook at a1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 13. White to move.