r1bq3r/p1Nppk1p/2p2n1b/6p1/1nP1p2P/5PNR/PP1P2P1/RQB1KB2 w Q - 3 13
FEN state: r1bq3r/p1Nppk1p/2p2n1b/6p1/1nP1p2P/5PNR/PP1P2P1/RQB1KB2 w Q - 3 13 ; Best move: g3f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at a7, white knight at c7, black pawn at d7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at c6, black knight at f6 and black bishop at h6. Black pawn at g5. Black knight at b4, white pawn at c4, black pawn at e4 and white pawn at h4. White pawn at f3, white knight at g3 and white rook at h3. White pawn at a2, white pawn at b2, white pawn at d2 and white pawn at g2. White rook at a1, white queen at b1, white bishop at c1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 3. Full move number is 13. White to move.