r1bqkbr1/4pnpp/2np1p2/p4PP1/2p5/p1PP4/1P1NP2P/R1BQKBNR w KQq - 4 13
FEN state: r1bqkbr1/4pnpp/2np1p2/p4PP1/2p5/p1PP4/1P1NP2P/R1BQKBNR w KQq - 4 13 ; Best move: f1g2
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at e7, black knight at f7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at d6 and black pawn at f6. Black pawn at a5, white pawn at f5 and white pawn at g5. Black pawn at c4. Black pawn at a3, white pawn at c3 and white pawn at d3. White pawn at b2, white knight at d2, white pawn at e2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 4. Full move number is 13. White to move.