rn3bnr/p1pkp1pp/3p1p2/2p5/4qNb1/B3P2B/P2P1P1P/RN1QK1R1 w Q - 1 13
FEN state: rn3bnr/p1pkp1pp/3p1p2/2p5/4qNb1/B3P2B/P2P1P1P/RN1QK1R1 w Q - 1 13 ; Best move: h3g4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black pawn at f6. Black pawn at c5. Black queen at e4, white knight at f4 and black bishop at g4. White bishop at a3, white pawn at e3 and white bishop at h3. White pawn at a2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 13. White to move.