r1bq1b2/p3pk1r/2np2pp/1p3pP1/1PP4P/1N2R2N/P1PBPP2/R2QKB2 w Q - 0 15
FEN state: r1bq1b2/p3pk1r/2np2pp/1p3pP1/1PP4P/1N2R2N/P1PBPP2/R2QKB2 w Q - 0 15 ; Best move: d2c3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black pawn at e7, black king at f7 and black rook at h7. Black knight at c6, black pawn at d6, black pawn at g6 and black pawn at h6. Black pawn at b5, black pawn at f5 and white pawn at g5. White pawn at b4, white pawn at c4 and white pawn at h4. White knight at b3, white rook at e3 and white knight at h3. White pawn at a2, white pawn at c2, white bishop at d2, white pawn at e2 and white pawn at f2. White rook at a1, white queen at d1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 15. White to move.