r1q1k1n1/p3bp1p/1p2p3/2pp1b2/Pn3P2/1P5P/1B1PP1P1/RN1QKBNR w KQq - 3 13
FEN state: r1q1k1n1/p3bp1p/1p2p3/2pp1b2/Pn3P2/1P5P/1B1PP1P1/RN1QKBNR w KQq - 3 13 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8 and black knight at g8. Black pawn at a7, black bishop at e7, black pawn at f7 and black pawn at h7. Black pawn at b6 and black pawn at e6. Black pawn at c5, black pawn at d5 and black bishop at f5. White pawn at a4, black knight at b4 and white pawn at f4. White pawn at b3 and white pawn at h3. White bishop at b2, white pawn at d2, white pawn at e2 and white pawn at g2. White rook at a1, white knight at b1, 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 3. Full move number is 13. White to move.