r1bqkb2/ppppn2p/N3p3/4npr1/6QP/3BP3/PPPP1PP1/1RB1K2R w Kq - 4 13
FEN state: r1bqkb2/ppppn2p/N3p3/4npr1/6QP/3BP3/PPPP1PP1/1RB1K2R w Kq - 4 13 ; Best move: g4g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black knight at e7 and black pawn at h7. White knight at a6 and black pawn at e6. Black knight at e5, black pawn at f5 and black rook at g5. White queen at g4 and white pawn at h4. White bishop at d3 and white pawn at e3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 4. Full move number is 13. White to move.